Merge pull request #6 from jellyfin/master

Bringing my branch up to sync

108 files changed, 3138 insertions, 4359 deletions

diff --git a/Emby.Server.Implementations/Activity/ActivityLogEntryPoint.cs b/Emby.Server.Implementations/Activity/ActivityLogEntryPoint.cs
index 0530a251c..1514402d6 100644
--- a/Emby.Server.Implementations/Activity/ActivityLogEntryPoint.cs
+++ b/Emby.Server.Implementations/Activity/ActivityLogEntryPoint.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -75,7 +76,6 @@ namespace Emby.Server.Implementations.Activity
             _sessionManager.AuthenticationFailed += OnAuthenticationFailed;
             _sessionManager.AuthenticationSucceeded += OnAuthenticationSucceeded;
             _sessionManager.SessionEnded += OnSessionEnded;
-
             _sessionManager.PlaybackStart += OnPlaybackStart;
             _sessionManager.PlaybackStopped += OnPlaybackStopped;
 
@@ -96,7 +96,10 @@ namespace Emby.Server.Implementations.Activity
         {
             CreateLogEntry(new ActivityLogEntry
             {
-                Name = string.Format(_localization.GetLocalizedString("CameraImageUploadedFrom"), e.Argument.Device.Name),
+                Name = string.Format(
+                    CultureInfo.InvariantCulture,
+                    _localization.GetLocalizedString("CameraImageUploadedFrom"),
+                    e.Argument.Device.Name),
                 Type = NotificationType.CameraImageUploaded.ToString()
             });
         }
@@ -105,7 +108,10 @@ namespace Emby.Server.Implementations.Activity
         {
             CreateLogEntry(new ActivityLogEntry
             {
-                Name = string.Format(_localization.GetLocalizedString("UserLockedOutWithName"), e.Argument.Name),
+                Name = string.Format(
+                    CultureInfo.InvariantCulture,
+                    _localization.GetLocalizedString("UserLockedOutWithName"),
+                    e.Argument.Name),
                 Type = NotificationType.UserLockedOut.ToString(),
                 UserId = e.Argument.Id
             });
@@ -115,9 +121,13 @@ namespace Emby.Server.Implementations.Activity
         {
             CreateLogEntry(new ActivityLogEntry
             {
-                Name = string.Format(_localization.GetLocalizedString("SubtitleDownloadFailureFromForItem"), e.Provider, Notifications.Notifications.GetItemName(e.Item)),
+                Name = string.Format(
+                    CultureInfo.InvariantCulture,
+                    _localization.GetLocalizedString("SubtitleDownloadFailureFromForItem"),
+                    e.Provider,
+                    Notifications.Notifications.GetItemName(e.Item)),
                 Type = "SubtitleDownloadFailure",
-                ItemId = e.Item.Id.ToString("N"),
+                ItemId = e.Item.Id.ToString("N", CultureInfo.InvariantCulture),
                 ShortOverview = e.Exception.Message
             });
         }
@@ -178,7 +188,12 @@ namespace Emby.Server.Implementations.Activity
 
             CreateLogEntry(new ActivityLogEntry
             {
-                Name = string.Format(_localization.GetLocalizedString("UserStartedPlayingItemWithValues"), user.Name, GetItemName(item), e.DeviceName),
+                Name = string.Format(
+                    CultureInfo.InvariantCulture,
+                    _localization.GetLocalizedString("UserStartedPlayingItemWithValues"),
+                    user.Name,
+                    GetItemName(item),
+                    e.DeviceName),
                 Type = GetPlaybackNotificationType(item.MediaType),
                 UserId = user.Id
             });
@@ -193,7 +208,7 @@ namespace Emby.Server.Implementations.Activity
                 name = item.SeriesName + " - " + name;
             }
 
-            if (item.Artists != null && item.Artists.Length > 0)
+            if (item.Artists != null && item.Artists.Count > 0)
             {
                 name = item.Artists[0] + " - " + name;
             }
@@ -238,21 +253,31 @@ namespace Emby.Server.Implementations.Activity
 
             if (string.IsNullOrEmpty(session.UserName))
             {
-                name = string.Format(_localization.GetLocalizedString("DeviceOfflineWithName"), session.DeviceName);
+                name = string.Format(
+                    CultureInfo.InvariantCulture,
+                    _localization.GetLocalizedString("DeviceOfflineWithName"),
+                    session.DeviceName);
 
                 // Causing too much spam for now
                 return;
             }
             else
             {
-                name = string.Format(_localization.GetLocalizedString("UserOfflineFromDevice"), session.UserName, session.DeviceName);
+                name = string.Format(
+                    CultureInfo.InvariantCulture,
+                    _localization.GetLocalizedString("UserOfflineFromDevice"),
+                    session.UserName,
+                    session.DeviceName);
             }
 
             CreateLogEntry(new ActivityLogEntry
             {
                 Name = name,
                 Type = "SessionEnded",
-                ShortOverview = string.Format(_localization.GetLocalizedString("LabelIpAddressValue"), session.RemoteEndPoint),
+                ShortOverview = string.Format(
+                    CultureInfo.InvariantCulture,
+                    _localization.GetLocalizedString("LabelIpAddressValue"),
+                    session.RemoteEndPoint),
                 UserId = session.UserId
             });
         }
@@ -263,9 +288,15 @@ namespace Emby.Server.Implementations.Activity
 
             CreateLogEntry(new ActivityLogEntry
             {
-                Name = string.Format(_localization.GetLocalizedString("AuthenticationSucceededWithUserName"), user.Name),
+                Name = string.Format(
+                    CultureInfo.InvariantCulture,
+                    _localization.GetLocalizedString("AuthenticationSucceededWithUserName"),
+                    user.Name),
                 Type = "AuthenticationSucceeded",
-                ShortOverview = string.Format(_localization.GetLocalizedString("LabelIpAddressValue"), e.Argument.SessionInfo.RemoteEndPoint),
+                ShortOverview = string.Format(
+                    CultureInfo.InvariantCulture,
+                    _localization.GetLocalizedString("LabelIpAddressValue"),
+                    e.Argument.SessionInfo.RemoteEndPoint),
                 UserId = user.Id
             });
         }
@@ -274,9 +305,15 @@ namespace Emby.Server.Implementations.Activity
         {
             CreateLogEntry(new ActivityLogEntry
             {
-                Name = string.Format(_localization.GetLocalizedString("FailedLoginAttemptWithUserName"), e.Argument.Username),
+                Name = string.Format(
+                    CultureInfo.InvariantCulture,
+                    _localization.GetLocalizedString("FailedLoginAttemptWithUserName"),
+                    e.Argument.Username),
                 Type = "AuthenticationFailed",
-                ShortOverview = string.Format(_localization.GetLocalizedString("LabelIpAddressValue"), e.Argument.RemoteEndPoint),
+                ShortOverview = string.Format(
+                    CultureInfo.InvariantCulture,
+                    _localization.GetLocalizedString("LabelIpAddressValue"),
+                    e.Argument.RemoteEndPoint),
                 Severity = LogLevel.Error
             });
         }
@@ -285,7 +322,10 @@ namespace Emby.Server.Implementations.Activity
         {
             CreateLogEntry(new ActivityLogEntry
             {
-                Name = string.Format(_localization.GetLocalizedString("UserPolicyUpdatedWithName"), e.Argument.Name),
+                Name = string.Format(
+                    CultureInfo.InvariantCulture,
+                    _localization.GetLocalizedString("UserPolicyUpdatedWithName"),
+                    e.Argument.Name),
                 Type = "UserPolicyUpdated",
                 UserId = e.Argument.Id
             });
@@ -295,7 +335,10 @@ namespace Emby.Server.Implementations.Activity
         {
             CreateLogEntry(new ActivityLogEntry
             {
-                Name = string.Format(_localization.GetLocalizedString("UserDeletedWithName"), e.Argument.Name),
+                Name = string.Format(
+                    CultureInfo.InvariantCulture,
+                    _localization.GetLocalizedString("UserDeletedWithName"),
+                    e.Argument.Name),
                 Type = "UserDeleted"
             });
         }
@@ -304,7 +347,10 @@ namespace Emby.Server.Implementations.Activity
         {
             CreateLogEntry(new ActivityLogEntry
             {
-                Name = string.Format(_localization.GetLocalizedString("UserPasswordChangedWithName"), e.Argument.Name),
+                Name = string.Format(
+                    CultureInfo.InvariantCulture,
+                    _localization.GetLocalizedString("UserPasswordChangedWithName"),
+                    e.Argument.Name),
                 Type = "UserPasswordChanged",
                 UserId = e.Argument.Id
             });
@@ -314,7 +360,10 @@ namespace Emby.Server.Implementations.Activity
         {
             CreateLogEntry(new ActivityLogEntry
             {
-                Name = string.Format(_localization.GetLocalizedString("UserCreatedWithName"), e.Argument.Name),
+                Name = string.Format(
+                    CultureInfo.InvariantCulture,
+                    _localization.GetLocalizedString("UserCreatedWithName"),
+                    e.Argument.Name),
                 Type = "UserCreated",
                 UserId = e.Argument.Id
             });
@@ -327,32 +376,48 @@ namespace Emby.Server.Implementations.Activity
 
             if (string.IsNullOrEmpty(session.UserName))
             {
-                name = string.Format(_localization.GetLocalizedString("DeviceOnlineWithName"), session.DeviceName);
+                name = string.Format(
+                    CultureInfo.InvariantCulture,
+                    _localization.GetLocalizedString("DeviceOnlineWithName"),
+                    session.DeviceName);
 
                 // Causing too much spam for now
                 return;
             }
             else
             {
-                name = string.Format(_localization.GetLocalizedString("UserOnlineFromDevice"), session.UserName, session.DeviceName);
+                name = string.Format(
+                    CultureInfo.InvariantCulture,
+                    _localization.GetLocalizedString("UserOnlineFromDevice"),
+                    session.UserName,
+                    session.DeviceName);
             }
 
             CreateLogEntry(new ActivityLogEntry
             {
                 Name = name,
                 Type = "SessionStarted",
-                ShortOverview = string.Format(_localization.GetLocalizedString("LabelIpAddressValue"), session.RemoteEndPoint),
+                ShortOverview = string.Format(
+                    CultureInfo.InvariantCulture,
+                    _localization.GetLocalizedString("LabelIpAddressValue"),
+                    session.RemoteEndPoint),
                 UserId = session.UserId
             });
         }
 
-        private void OnPluginUpdated(object sender, GenericEventArgs<Tuple<IPlugin, PackageVersionInfo>> e)
+        private void OnPluginUpdated(object sender, GenericEventArgs<(IPlugin, PackageVersionInfo)> e)
         {
             CreateLogEntry(new ActivityLogEntry
             {
-                Name = string.Format(_localization.GetLocalizedString("PluginUpdatedWithName"), e.Argument.Item1.Name),
+                Name = string.Format(
+                    CultureInfo.InvariantCulture,
+                    _localization.GetLocalizedString("PluginUpdatedWithName"),
+                    e.Argument.Item1.Name),
                 Type = NotificationType.PluginUpdateInstalled.ToString(),
-                ShortOverview = string.Format(_localization.GetLocalizedString("VersionNumber"), e.Argument.Item2.versionStr),
+                ShortOverview = string.Format(
+                    CultureInfo.InvariantCulture,
+                    _localization.GetLocalizedString("VersionNumber"),
+                    e.Argument.Item2.versionStr),
                 Overview = e.Argument.Item2.description
             });
         }
@@ -361,7 +426,10 @@ namespace Emby.Server.Implementations.Activity
         {
             CreateLogEntry(new ActivityLogEntry
             {
-                Name = string.Format(_localization.GetLocalizedString("PluginUninstalledWithName"), e.Argument.Name),
+                Name = string.Format(
+                    CultureInfo.InvariantCulture,
+                    _localization.GetLocalizedString("PluginUninstalledWithName"),
+                    e.Argument.Name),
                 Type = NotificationType.PluginUninstalled.ToString()
             });
         }
@@ -370,9 +438,15 @@ namespace Emby.Server.Implementations.Activity
         {
             CreateLogEntry(new ActivityLogEntry
             {
-                Name = string.Format(_localization.GetLocalizedString("PluginInstalledWithName"), e.Argument.name),
+                Name = string.Format(
+                    CultureInfo.InvariantCulture,
+                    _localization.GetLocalizedString("PluginInstalledWithName"),
+                    e.Argument.name),
                 Type = NotificationType.PluginInstalled.ToString(),
-                ShortOverview = string.Format(_localization.GetLocalizedString("VersionNumber"), e.Argument.versionStr)
+                ShortOverview = string.Format(
+                    CultureInfo.InvariantCulture,
+                    _localization.GetLocalizedString("VersionNumber"),
+                    e.Argument.versionStr)
             });
         }
 
@@ -382,9 +456,15 @@ namespace Emby.Server.Implementations.Activity
 
             CreateLogEntry(new ActivityLogEntry
             {
-                Name = string.Format(_localization.GetLocalizedString("NameInstallFailed"), installationInfo.Name),
+                Name = string.Format(
+                    CultureInfo.InvariantCulture,
+                    _localization.GetLocalizedString("NameInstallFailed"),
+                    installationInfo.Name),
                 Type = NotificationType.InstallationFailed.ToString(),
-                ShortOverview = string.Format(_localization.GetLocalizedString("VersionNumber"), installationInfo.Version),
+                ShortOverview = string.Format(
+                    CultureInfo.InvariantCulture,
+                    _localization.GetLocalizedString("VersionNumber"),
+                    installationInfo.Version),
                 Overview = e.Exception.Message
             });
         }
@@ -401,7 +481,10 @@ namespace Emby.Server.Implementations.Activity
             }
 
             var time = result.EndTimeUtc - result.StartTimeUtc;
-            var runningTime = string.Format(_localization.GetLocalizedString("LabelRunningTimeValue"), ToUserFriendlyString(time));
+            var runningTime = string.Format(
+                CultureInfo.InvariantCulture,
+                _localization.GetLocalizedString("LabelRunningTimeValue"),
+                ToUserFriendlyString(time));
 
             if (result.Status == TaskCompletionStatus.Failed)
             {
@@ -419,7 +502,10 @@ namespace Emby.Server.Implementations.Activity
 
                 CreateLogEntry(new ActivityLogEntry
                 {
-                    Name = string.Format(_localization.GetLocalizedString("ScheduledTaskFailedWithName"), task.Name),
+                    Name = string.Format(
+                        CultureInfo.InvariantCulture,
+                        _localization.GetLocalizedString("ScheduledTaskFailedWithName"),
+                        task.Name),
                     Type = NotificationType.TaskFailed.ToString(),
                     Overview = string.Join(Environment.NewLine, vals),
                     ShortOverview = runningTime,
@@ -534,8 +620,11 @@ namespace Emby.Server.Implementations.Activity
         /// <param name="description">The name of this item (singular form)</param>
         private static string CreateValueString(int value, string description)
         {
-            return string.Format("{0:#,##0} {1}",
-                value, value == 1 ? description : string.Format("{0}s", description));
+            return string.Format(
+                CultureInfo.InvariantCulture,
+                "{0:#,##0} {1}",
+                value,
+                value == 1 ? description : string.Format(CultureInfo.InvariantCulture, "{0}s", description));
         }
     }
 }
diff --git a/Emby.Server.Implementations/Activity/ActivityRepository.cs b/Emby.Server.Implementations/Activity/ActivityRepository.cs
index de46ab965..ffaeaa541 100644
--- a/Emby.Server.Implementations/Activity/ActivityRepository.cs
+++ b/Emby.Server.Implementations/Activity/ActivityRepository.cs
@@ -102,7 +102,7 @@ namespace Emby.Server.Implementations.Activity
                         }
                         else
                         {
-                            statement.TryBind("@UserId", entry.UserId.ToString("N"));
+                            statement.TryBind("@UserId", entry.UserId.ToString("N", CultureInfo.InvariantCulture));
                         }
 
                         statement.TryBind("@DateCreated", entry.Date.ToDateTimeParamValue());
@@ -141,7 +141,7 @@ namespace Emby.Server.Implementations.Activity
                         }
                         else
                         {
-                            statement.TryBind("@UserId", entry.UserId.ToString("N"));
+                            statement.TryBind("@UserId", entry.UserId.ToString("N", CultureInfo.InvariantCulture));
                         }
 
                         statement.TryBind("@DateCreated", entry.Date.ToDateTimeParamValue());
@@ -155,94 +155,100 @@ namespace Emby.Server.Implementations.Activity
 
         public QueryResult<ActivityLogEntry> GetActivityLogEntries(DateTime? minDate, bool? hasUserId, int? startIndex, int? limit)
         {
-            using (var connection = GetConnection(true))
-            {
-                var commandText = BaseActivitySelectText;
-                var whereClauses = new List<string>();
+            var commandText = BaseActivitySelectText;
+            var whereClauses = new List<string>();
 
-                if (minDate.HasValue)
+            if (minDate.HasValue)
+            {
+                whereClauses.Add("DateCreated>=@DateCreated");
+            }
+            if (hasUserId.HasValue)
+            {
+                if (hasUserId.Value)
                 {
-                    whereClauses.Add("DateCreated>=@DateCreated");
+                    whereClauses.Add("UserId not null");
                 }
-                if (hasUserId.HasValue)
+                else
                 {
-                    if (hasUserId.Value)
-                    {
-                        whereClauses.Add("UserId not null");
-                    }
-                    else
-                    {
-                        whereClauses.Add("UserId is null");
-                    }
+                    whereClauses.Add("UserId is null");
                 }
+            }
 
-                var whereTextWithoutPaging = whereClauses.Count == 0 ?
-                  string.Empty :
-                  " where " + string.Join(" AND ", whereClauses.ToArray());
-
-                if (startIndex.HasValue && startIndex.Value > 0)
-                {
-                    var pagingWhereText = whereClauses.Count == 0 ?
-                        string.Empty :
-                        " where " + string.Join(" AND ", whereClauses.ToArray());
-
-                    whereClauses.Add(string.Format("Id NOT IN (SELECT Id FROM ActivityLog {0} ORDER BY DateCreated DESC LIMIT {1})",
-                        pagingWhereText,
-                        startIndex.Value.ToString(_usCulture)));
-                }
+            var whereTextWithoutPaging = whereClauses.Count == 0 ?
+              string.Empty :
+              " where " + string.Join(" AND ", whereClauses.ToArray());
 
-                var whereText = whereClauses.Count == 0 ?
+            if (startIndex.HasValue && startIndex.Value > 0)
+            {
+                var pagingWhereText = whereClauses.Count == 0 ?
                     string.Empty :
                     " where " + string.Join(" AND ", whereClauses.ToArray());
 
-                commandText += whereText;
+                whereClauses.Add(
+                    string.Format(
+                        CultureInfo.InvariantCulture,
+                        "Id NOT IN (SELECT Id FROM ActivityLog {0} ORDER BY DateCreated DESC LIMIT {1})",
+                        pagingWhereText,
+                        startIndex.Value));
+            }
 
-                commandText += " ORDER BY DateCreated DESC";
+            var whereText = whereClauses.Count == 0 ?
+                string.Empty :
+                " where " + string.Join(" AND ", whereClauses.ToArray());
 
-                if (limit.HasValue)
-                {
-                    commandText += " LIMIT " + limit.Value.ToString(_usCulture);
-                }
+            commandText += whereText;
 
-                var statementTexts = new List<string>();
-                statementTexts.Add(commandText);
-                statementTexts.Add("select count (Id) from ActivityLog" + whereTextWithoutPaging);
+            commandText += " ORDER BY DateCreated DESC";
 
-                return connection.RunInTransaction(db =>
-                {
-                    var list = new List<ActivityLogEntry>();
-                    var result = new QueryResult<ActivityLogEntry>();
+            if (limit.HasValue)
+            {
+                commandText += " LIMIT " + limit.Value.ToString(_usCulture);
+            }
+
+            var statementTexts = new[]
+            {
+                commandText,
+                "select count (Id) from ActivityLog" + whereTextWithoutPaging
+            };
 
-                    var statements = PrepareAll(db, statementTexts).ToList();
+            var list = new List<ActivityLogEntry>();
+            var result = new QueryResult<ActivityLogEntry>();
 
-                    using (var statement = statements[0])
+            using (var connection = GetConnection(true))
+            {
+                connection.RunInTransaction(
+                    db =>
                     {
-                        if (minDate.HasValue)
-                        {
-                            statement.TryBind("@DateCreated", minDate.Value.ToDateTimeParamValue());
-                        }
+                        var statements = PrepareAll(db, statementTexts).ToList();
 
-                        foreach (var row in statement.ExecuteQuery())
+                        using (var statement = statements[0])
                         {
-                            list.Add(GetEntry(row));
+                            if (minDate.HasValue)
+                            {
+                                statement.TryBind("@DateCreated", minDate.Value.ToDateTimeParamValue());
+                            }
+
+                            foreach (var row in statement.ExecuteQuery())
+                            {
+                                list.Add(GetEntry(row));
+                            }
                         }
-                    }
 
-                    using (var statement = statements[1])
-                    {
-                        if (minDate.HasValue)
+                        using (var statement = statements[1])
                         {
-                            statement.TryBind("@DateCreated", minDate.Value.ToDateTimeParamValue());
-                        }
+                            if (minDate.HasValue)
+                            {
+                                statement.TryBind("@DateCreated", minDate.Value.ToDateTimeParamValue());
+                            }
 
-                        result.TotalRecordCount = statement.ExecuteQuery().SelectScalarInt().First();
-                    }
-
-                    result.Items = list.ToArray();
-                    return result;
-
-                }, ReadTransactionMode);
+                            result.TotalRecordCount = statement.ExecuteQuery().SelectScalarInt().First();
+                        }
+                    },
+                    ReadTransactionMode);
             }
+
+            result.Items = list;
+            return result;
         }
 
         private static ActivityLogEntry GetEntry(IReadOnlyList<IResultSetValue> reader)
diff --git a/Emby.Server.Implementations/AppBase/BaseApplicationPaths.cs b/Emby.Server.Implementations/AppBase/BaseApplicationPaths.cs
index 00cfa0c9a..c3cdcc222 100644
--- a/Emby.Server.Implementations/AppBase/BaseApplicationPaths.cs
+++ b/Emby.Server.Implementations/AppBase/BaseApplicationPaths.cs
@@ -10,6 +10,8 @@ namespace Emby.Server.Implementations.AppBase
     /// </summary>
     public abstract class BaseApplicationPaths : IApplicationPaths
     {
+        private string _dataPath;
+
         /// <summary>
         /// Initializes a new instance of the <see cref="BaseApplicationPaths"/> class.
         /// </summary>
@@ -30,36 +32,34 @@ namespace Emby.Server.Implementations.AppBase
         }
 
         /// <summary>
-        /// Gets the path to the program data folder
+        /// Gets the path to the program data folder.
         /// </summary>
         /// <value>The program data path.</value>
-        public string ProgramDataPath { get; private set; }
+        public string ProgramDataPath { get; }
 
         /// <summary>
-        /// Gets the path to the web UI resources folder
+        /// Gets the path to the web UI resources folder.
         /// </summary>
         /// <value>The web UI resources path.</value>
-        public string WebPath { get; set; }
+        public string WebPath { get; }
 
         /// <summary>
-        /// Gets the path to the system folder
+        /// Gets the path to the system folder.
         /// </summary>
+        /// <value>The path to the system folder.</value>
         public string ProgramSystemPath { get; } = AppContext.BaseDirectory;
 
         /// <summary>
-        /// Gets the folder path to the data directory
+        /// Gets the folder path to the data directory.
         /// </summary>
         /// <value>The data directory.</value>
-        private string _dataPath;
         public string DataPath
         {
             get => _dataPath;
             private set => _dataPath = Directory.CreateDirectory(value).FullName;
         }
 
-        /// <summary>
-        /// Gets the magic strings used for virtual path manipulation.
-        /// </summary>
+        /// <inheritdoc />
         public string VirtualDataPath { get; } = "%AppDataPath%";
 
         /// <summary>
@@ -69,43 +69,43 @@ namespace Emby.Server.Implementations.AppBase
         public string ImageCachePath => Path.Combine(CachePath, "images");
 
         /// <summary>
-        /// Gets the path to the plugin directory
+        /// Gets the path to the plugin directory.
         /// </summary>
         /// <value>The plugins path.</value>
         public string PluginsPath => Path.Combine(ProgramDataPath, "plugins");
 
         /// <summary>
-        /// Gets the path to the plugin configurations directory
+        /// Gets the path to the plugin configurations directory.
         /// </summary>
         /// <value>The plugin configurations path.</value>
         public string PluginConfigurationsPath => Path.Combine(PluginsPath, "configurations");
 
         /// <summary>
-        /// Gets the path to the log directory
+        /// Gets the path to the log directory.
         /// </summary>
         /// <value>The log directory path.</value>
-        public string LogDirectoryPath { get; private set; }
+        public string LogDirectoryPath { get; }
 
         /// <summary>
-        /// Gets the path to the application configuration root directory
+        /// Gets the path to the application configuration root directory.
         /// </summary>
         /// <value>The configuration directory path.</value>
-        public string ConfigurationDirectoryPath { get; private set; }
+        public string ConfigurationDirectoryPath { get; }
 
         /// <summary>
-        /// Gets the path to the system configuration file
+        /// Gets the path to the system configuration file.
         /// </summary>
         /// <value>The system configuration file path.</value>
         public string SystemConfigurationFilePath => Path.Combine(ConfigurationDirectoryPath, "system.xml");
 
         /// <summary>
-        /// Gets the folder path to the cache directory
+        /// Gets or sets the folder path to the cache directory.
         /// </summary>
         /// <value>The cache directory.</value>
         public string CachePath { get; set; }
 
         /// <summary>
-        /// Gets the folder path to the temp directory within the cache folder
+        /// Gets the folder path to the temp directory within the cache folder.
         /// </summary>
         /// <value>The temp directory.</value>
         public string TempDirectory => Path.Combine(CachePath, "temp");
diff --git a/Emby.Server.Implementations/AppBase/BaseConfigurationManager.cs b/Emby.Server.Implementations/AppBase/BaseConfigurationManager.cs
index af60a8dce..4832c19c4 100644
--- a/Emby.Server.Implementations/AppBase/BaseConfigurationManager.cs
+++ b/Emby.Server.Implementations/AppBase/BaseConfigurationManager.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Threading;
@@ -19,11 +20,44 @@ namespace Emby.Server.Implementations.AppBase
     /// </summary>
     public abstract class BaseConfigurationManager : IConfigurationManager
     {
+        private readonly IFileSystem _fileSystem;
+
+        private readonly ConcurrentDictionary<string, object> _configurations = new ConcurrentDictionary<string, object>();
+
+        private ConfigurationStore[] _configurationStores = Array.Empty<ConfigurationStore>();
+        private IConfigurationFactory[] _configurationFactories = Array.Empty<IConfigurationFactory>();
+
         /// <summary>
-        /// Gets the type of the configuration.
+        /// The _configuration loaded.
         /// </summary>
-        /// <value>The type of the configuration.</value>
-        protected abstract Type ConfigurationType { get; }
+        private bool _configurationLoaded;
+
+        /// <summary>
+        /// The _configuration sync lock.
+        /// </summary>
+        private object _configurationSyncLock = new object();
+
+        /// <summary>
+        /// The _configuration.
+        /// </summary>
+        private BaseApplicationConfiguration _configuration;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="BaseConfigurationManager" /> class.
+        /// </summary>
+        /// <param name="applicationPaths">The application paths.</param>
+        /// <param name="loggerFactory">The logger factory.</param>
+        /// <param name="xmlSerializer">The XML serializer.</param>
+        /// <param name="fileSystem">The file system</param>
+        protected BaseConfigurationManager(IApplicationPaths applicationPaths, ILoggerFactory loggerFactory, IXmlSerializer xmlSerializer, IFileSystem fileSystem)
+        {
+            CommonApplicationPaths = applicationPaths;
+            XmlSerializer = xmlSerializer;
+            _fileSystem = fileSystem;
+            Logger = loggerFactory.CreateLogger(GetType().Name);
+
+            UpdateCachePath();
+        }
 
         /// <summary>
         /// Occurs when [configuration updated].
@@ -41,6 +75,12 @@ namespace Emby.Server.Implementations.AppBase
         public event EventHandler<ConfigurationUpdateEventArgs> NamedConfigurationUpdated;
 
         /// <summary>
+        /// Gets the type of the configuration.
+        /// </summary>
+        /// <value>The type of the configuration.</value>
+        protected abstract Type ConfigurationType { get; }
+
+        /// <summary>
         /// Gets the logger.
         /// </summary>
         /// <value>The logger.</value>
@@ -56,21 +96,8 @@ namespace Emby.Server.Implementations.AppBase
         /// </summary>
         /// <value>The application paths.</value>
         public IApplicationPaths CommonApplicationPaths { get; private set; }
-        public readonly IFileSystem FileSystem;
 
         /// <summary>
-        /// The _configuration loaded
-        /// </summary>
-        private bool _configurationLoaded;
-        /// <summary>
-        /// The _configuration sync lock
-        /// </summary>
-        private object _configurationSyncLock = new object();
-        /// <summary>
-        /// The _configuration
-        /// </summary>
-        private BaseApplicationConfiguration _configuration;
-        /// <summary>
         /// Gets the system configuration
         /// </summary>
         /// <value>The configuration.</value>
@@ -90,26 +117,6 @@ namespace Emby.Server.Implementations.AppBase
             }
         }
 
-        private ConfigurationStore[] _configurationStores = { };
-        private IConfigurationFactory[] _configurationFactories = { };
-
-        /// <summary>
-        /// Initializes a new instance of the <see cref="BaseConfigurationManager" /> class.
-        /// </summary>
-        /// <param name="applicationPaths">The application paths.</param>
-        /// <param name="loggerFactory">The logger factory.</param>
-        /// <param name="xmlSerializer">The XML serializer.</param>
-        /// <param name="fileSystem">The file system</param>
-        protected BaseConfigurationManager(IApplicationPaths applicationPaths, ILoggerFactory loggerFactory, IXmlSerializer xmlSerializer, IFileSystem fileSystem)
-        {
-            CommonApplicationPaths = applicationPaths;
-            XmlSerializer = xmlSerializer;
-            FileSystem = fileSystem;
-            Logger = loggerFactory.CreateLogger(GetType().Name);
-
-            UpdateCachePath();
-        }
-
         public virtual void AddParts(IEnumerable<IConfigurationFactory> factories)
         {
             _configurationFactories = factories.ToArray();
@@ -171,6 +178,7 @@ namespace Emby.Server.Implementations.AppBase
         private void UpdateCachePath()
         {
             string cachePath;
+
             // If the configuration file has no entry (i.e. not set in UI)
             if (string.IsNullOrWhiteSpace(CommonConfiguration.CachePath))
             {
@@ -207,12 +215,16 @@ namespace Emby.Server.Implementations.AppBase
             var newPath = newConfig.CachePath;
 
             if (!string.IsNullOrWhiteSpace(newPath)
-                && !string.Equals(CommonConfiguration.CachePath ?? string.Empty, newPath))
+                && !string.Equals(CommonConfiguration.CachePath ?? string.Empty, newPath, StringComparison.Ordinal))
             {
                 // Validate
                 if (!Directory.Exists(newPath))
                 {
-                    throw new FileNotFoundException(string.Format("{0} does not exist.", newPath));
+                    throw new FileNotFoundException(
+                        string.Format(
+                            CultureInfo.InvariantCulture,
+                            "{0} does not exist.",
+                            newPath));
                 }
 
                 EnsureWriteAccess(newPath);
@@ -223,11 +235,9 @@ namespace Emby.Server.Implementations.AppBase
         {
             var file = Path.Combine(path, Guid.NewGuid().ToString());
             File.WriteAllText(file, string.Empty);
-            FileSystem.DeleteFile(file);
+            _fileSystem.DeleteFile(file);
         }
 
-        private readonly ConcurrentDictionary<string, object> _configurations = new ConcurrentDictionary<string, object>();
-
         private string GetConfigurationFile(string key)
         {
             return Path.Combine(CommonApplicationPaths.ConfigurationDirectoryPath, key.ToLowerInvariant() + ".xml");
diff --git a/Emby.Server.Implementations/ApplicationHost.cs b/Emby.Server.Implementations/ApplicationHost.cs
index ef2f59d30..04904fc4a 100644
--- a/Emby.Server.Implementations/ApplicationHost.cs
+++ b/Emby.Server.Implementations/ApplicationHost.cs
@@ -1,3 +1,5 @@
+#pragma warning disable CS1591
+
 using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
@@ -49,7 +51,6 @@ using MediaBrowser.Api;
 using MediaBrowser.Common;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Common.Events;
-using MediaBrowser.Common.Extensions;
 using MediaBrowser.Common.Net;
 using MediaBrowser.Common.Plugins;
 using MediaBrowser.Common.Updates;
@@ -108,19 +109,23 @@ using Microsoft.AspNetCore.Hosting;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Http.Extensions;
 using Microsoft.Extensions.Configuration;
-using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.DependencyInjection.Extensions;
+using Microsoft.Extensions.Logging;
 using ServiceStack;
 using OperatingSystem = MediaBrowser.Common.System.OperatingSystem;
 
 namespace Emby.Server.Implementations
 {
     /// <summary>
-    /// Class CompositionRoot
+    /// Class CompositionRoot.
     /// </summary>
     public abstract class ApplicationHost : IServerApplicationHost, IDisposable
     {
+        private SqliteUserRepository _userRepository;
+
+        private SqliteDisplayPreferencesRepository _displayPreferencesRepository;
+
         /// <summary>
         /// Gets a value indicating whether this instance can self restart.
         /// </summary>
@@ -162,6 +167,7 @@ namespace Emby.Server.Implementations
         /// <value><c>true</c> if this instance has pending application restart; otherwise, <c>false</c>.</value>
         public bool HasPendingRestart { get; private set; }
 
+        /// <inheritdoc />
         public bool IsShuttingDown { get; private set; }
 
         /// <summary>
@@ -198,10 +204,10 @@ namespace Emby.Server.Implementations
         /// Gets or sets all concrete types.
         /// </summary>
         /// <value>All concrete types.</value>
-        public Type[] AllConcreteTypes { get; protected set; }
+        private Type[] _allConcreteTypes;
 
         /// <summary>
-        /// The disposable parts
+        /// The disposable parts.
         /// </summary>
         private readonly List<IDisposable> _disposableParts = new List<IDisposable>();
 
@@ -213,6 +219,7 @@ namespace Emby.Server.Implementations
 
         public IFileSystem FileSystemManager { get; set; }
 
+        /// <inheritdoc />
         public PackageVersionClass SystemUpdateLevel
         {
             get
@@ -291,8 +298,6 @@ namespace Emby.Server.Implementations
         /// <value>The user data repository.</value>
         private IUserDataManager UserDataManager { get; set; }
 
-        private IUserRepository UserRepository { get; set; }
-
         internal SqliteItemRepository ItemRepository { get; set; }
 
         private INotificationManager NotificationManager { get; set; }
@@ -313,8 +318,6 @@ namespace Emby.Server.Implementations
 
         private IMediaSourceManager MediaSourceManager { get; set; }
 
-        private IPlaylistManager PlaylistManager { get; set; }
-
         private readonly IConfiguration _configuration;
 
         /// <summary>
@@ -323,14 +326,6 @@ namespace Emby.Server.Implementations
         /// <value>The installation manager.</value>
         protected IInstallationManager InstallationManager { get; private set; }
 
-        /// <summary>
-        /// Gets or sets the zip client.
-        /// </summary>
-        /// <value>The zip client.</value>
-        protected IZipClient ZipClient { get; private set; }
-
-        protected IHttpResultFactory HttpResultFactory { get; private set; }
-
         protected IAuthService AuthService { get; private set; }
 
         public IStartupOptions StartupOptions { get; }
@@ -386,7 +381,7 @@ namespace Emby.Server.Implementations
 
             fileSystem.AddShortcutHandler(new MbLinkShortcutHandler(fileSystem));
 
-            NetworkManager.NetworkChanged += NetworkManager_NetworkChanged;
+            NetworkManager.NetworkChanged += OnNetworkChanged;
         }
 
         public string ExpandVirtualPath(string path)
@@ -410,7 +405,7 @@ namespace Emby.Server.Implementations
             return ServerConfigurationManager.Configuration.LocalNetworkSubnets;
         }
 
-        private void NetworkManager_NetworkChanged(object sender, EventArgs e)
+        private void OnNetworkChanged(object sender, EventArgs e)
         {
             _validAddressResults.Clear();
         }
@@ -418,10 +413,10 @@ namespace Emby.Server.Implementations
         public string ApplicationVersion { get; } = typeof(ApplicationHost).Assembly.GetName().Version.ToString(3);
 
         /// <summary>
-        /// Gets the current application user agent
+        /// Gets the current application user agent.
         /// </summary>
         /// <value>The application user agent.</value>
-        public string ApplicationUserAgent => Name.Replace(' ','-') + '/' + ApplicationVersion;
+        public string ApplicationUserAgent => Name.Replace(' ', '-') + "/" + ApplicationVersion;
 
         /// <summary>
         /// Gets the email address for use within a comment section of a user agent field.
@@ -429,14 +424,11 @@ namespace Emby.Server.Implementations
         /// </summary>
         public string ApplicationUserAgentAddress { get; } = "team@jellyfin.org";
 
-        private string _productName;
-
         /// <summary>
-        /// Gets the current application name
+        /// Gets the current application name.
         /// </summary>
         /// <value>The application name.</value>
-        public string ApplicationProductName
-            => _productName ?? (_productName = FileVersionInfo.GetVersionInfo(Assembly.GetEntryAssembly().Location).ProductName);
+        public string ApplicationProductName { get; } = FileVersionInfo.GetVersionInfo(Assembly.GetEntryAssembly().Location).ProductName;
 
         private DeviceId _deviceId;
 
@@ -470,8 +462,8 @@ namespace Emby.Server.Implementations
         /// <summary>
         /// Creates an instance of type and resolves all constructor dependencies
         /// </summary>
-        /// /// <typeparam name="T">The type</typeparam>
-        /// <returns>T</returns>
+        /// /// <typeparam name="T">The type.</typeparam>
+        /// <returns>T.</returns>
         public T CreateInstance<T>()
             => ActivatorUtilities.CreateInstance<T>(_serviceProvider);
 
@@ -510,16 +502,11 @@ namespace Emby.Server.Implementations
         {
             var currentType = typeof(T);
 
-            return AllConcreteTypes.Where(i => currentType.IsAssignableFrom(i));
+            return _allConcreteTypes.Where(i => currentType.IsAssignableFrom(i));
         }
 
-        /// <summary>
-        /// Gets the exports.
-        /// </summary>
-        /// <typeparam name="T">The type</typeparam>
-        /// <param name="manageLifetime">if set to <c>true</c> [manage lifetime].</param>
-        /// <returns>IEnumerable{``0}.</returns>
-        public IEnumerable<T> GetExports<T>(bool manageLifetime = true)
+        /// <inheritdoc />
+        public IReadOnlyCollection<T> GetExports<T>(bool manageLifetime = true)
         {
             var parts = GetExportTypes<T>()
                 .Select(CreateInstanceSafe)
@@ -541,6 +528,7 @@ namespace Emby.Server.Implementations
         /// <summary>
         /// Runs the startup tasks.
         /// </summary>
+        /// <returns><see cref="Task" />.</returns>
         public async Task RunStartupTasksAsync()
         {
             Logger.LogInformation("Running startup tasks");
@@ -553,7 +541,7 @@ namespace Emby.Server.Implementations
 
             Logger.LogInformation("ServerId: {0}", SystemId);
 
-            var entryPoints = GetExports<IServerEntryPoint>().ToList();
+            var entryPoints = GetExports<IServerEntryPoint>();
 
             var stopWatch = new Stopwatch();
             stopWatch.Start();
@@ -604,10 +592,15 @@ namespace Emby.Server.Implementations
 
                 foreach (var plugin in Plugins)
                 {
-                    pluginBuilder.AppendLine(string.Format("{0} {1}", plugin.Name, plugin.Version));
+                    pluginBuilder.AppendLine(
+                        string.Format(
+                            CultureInfo.InvariantCulture,
+                            "{0} {1}",
+                            plugin.Name,
+                            plugin.Version));
                 }
 
-                Logger.LogInformation("Plugins: {plugins}", pluginBuilder.ToString());
+                Logger.LogInformation("Plugins: {Plugins}", pluginBuilder.ToString());
             }
 
             DiscoverTypes();
@@ -625,11 +618,34 @@ namespace Emby.Server.Implementations
             var host = new WebHostBuilder()
                 .UseKestrel(options =>
                 {
-                    options.ListenAnyIP(HttpPort);
+                    var addresses = ServerConfigurationManager
+                        .Configuration
+                        .LocalNetworkAddresses
+                        .Select(NormalizeConfiguredLocalAddress)
+                        .Where(i => i != null)
+                        .ToList();
+                    if (addresses.Any())
+                    {
+                        foreach (var address in addresses)
+                        {
+                            Logger.LogInformation("Kestrel listening on {ipaddr}", address);
+                            options.Listen(address, HttpPort);
 
-                    if (EnableHttps && Certificate != null)
+                            if (EnableHttps && Certificate != null)
+                            {
+                                options.Listen(address, HttpsPort, listenOptions => listenOptions.UseHttps(Certificate));
+                            }
+                        }
+                    }
+                    else
                     {
-                        options.ListenAnyIP(HttpsPort, listenOptions => { listenOptions.UseHttps(Certificate); });
+                        Logger.LogInformation("Kestrel listening on all interfaces");
+                        options.ListenAnyIP(HttpPort);
+
+                        if (EnableHttps && Certificate != null)
+                        {
+                            options.ListenAnyIP(HttpsPort, listenOptions => listenOptions.UseHttps(Certificate));
+                        }
                     }
                 })
                 .UseContentRoot(contentRoot)
@@ -643,13 +659,22 @@ namespace Emby.Server.Implementations
                     app.UseWebSockets();
 
                     app.UseResponseCompression();
+
                     // TODO app.UseMiddleware<WebSocketMiddleware>();
                     app.Use(ExecuteWebsocketHandlerAsync);
                     app.Use(ExecuteHttpHandlerAsync);
                 })
                 .Build();
 
-            await host.StartAsync().ConfigureAwait(false);
+            try
+            {
+                await host.StartAsync().ConfigureAwait(false);
+            }
+            catch
+            {
+                Logger.LogError("Kestrel failed to start! This is most likely due to an invalid address or port bind - correct your bind configuration in system.xml and try again.");
+                throw;
+            }
         }
 
         private async Task ExecuteWebsocketHandlerAsync(HttpContext context, Func<Task> next)
@@ -676,11 +701,9 @@ namespace Emby.Server.Implementations
             var localPath = context.Request.Path.ToString();
 
             var req = new WebSocketSharpRequest(request, response, request.Path, Logger);
-            await HttpServer.RequestHandler(req, request.GetDisplayUrl(), request.Host.ToString(), localPath, CancellationToken.None).ConfigureAwait(false);
+            await HttpServer.RequestHandler(req, request.GetDisplayUrl(), request.Host.ToString(), localPath, context.RequestAborted).ConfigureAwait(false);
         }
 
-        public static IStreamHelper StreamHelper { get; set; }
-
         /// <summary>
         /// Registers resources that classes will depend on
         /// </summary>
@@ -724,8 +747,7 @@ namespace Emby.Server.Implementations
             ProcessFactory = new ProcessFactory();
             serviceCollection.AddSingleton(ProcessFactory);
 
-            ApplicationHost.StreamHelper = new StreamHelper();
-            serviceCollection.AddSingleton(StreamHelper);
+            serviceCollection.AddSingleton(typeof(IStreamHelper), typeof(StreamHelper));
 
             serviceCollection.AddSingleton(typeof(ICryptoProvider), typeof(CryptographyProvider));
 
@@ -734,18 +756,16 @@ namespace Emby.Server.Implementations
 
             serviceCollection.AddSingleton(typeof(IInstallationManager), typeof(InstallationManager));
 
-            ZipClient = new ZipClient();
-            serviceCollection.AddSingleton(ZipClient);
+            serviceCollection.AddSingleton(typeof(IZipClient), typeof(ZipClient));
 
-            HttpResultFactory = new HttpResultFactory(LoggerFactory, FileSystemManager, JsonSerializer, StreamHelper);
-            serviceCollection.AddSingleton(HttpResultFactory);
+            serviceCollection.AddSingleton(typeof(IHttpResultFactory), typeof(HttpResultFactory));
 
             serviceCollection.AddSingleton<IServerApplicationHost>(this);
             serviceCollection.AddSingleton<IServerApplicationPaths>(ApplicationPaths);
 
             serviceCollection.AddSingleton(ServerConfigurationManager);
 
-            LocalizationManager = new LocalizationManager(ServerConfigurationManager, JsonSerializer, LoggerFactory);
+            LocalizationManager = new LocalizationManager(ServerConfigurationManager, JsonSerializer, LoggerFactory.CreateLogger<LocalizationManager>());
             await LocalizationManager.LoadAll().ConfigureAwait(false);
             serviceCollection.AddSingleton<ILocalizationManager>(LocalizationManager);
 
@@ -754,18 +774,22 @@ namespace Emby.Server.Implementations
             UserDataManager = new UserDataManager(LoggerFactory, ServerConfigurationManager, () => UserManager);
             serviceCollection.AddSingleton(UserDataManager);
 
-            var displayPreferencesRepo = new SqliteDisplayPreferencesRepository(LoggerFactory, JsonSerializer, ApplicationPaths, FileSystemManager);
-            serviceCollection.AddSingleton<IDisplayPreferencesRepository>(displayPreferencesRepo);
+            _displayPreferencesRepository = new SqliteDisplayPreferencesRepository(
+                LoggerFactory.CreateLogger<SqliteDisplayPreferencesRepository>(),
+                ApplicationPaths,
+                FileSystemManager);
+            serviceCollection.AddSingleton<IDisplayPreferencesRepository>(_displayPreferencesRepository);
 
-            ItemRepository = new SqliteItemRepository(ServerConfigurationManager, this, JsonSerializer, LoggerFactory, LocalizationManager);
+            ItemRepository = new SqliteItemRepository(ServerConfigurationManager, this, LoggerFactory.CreateLogger<SqliteItemRepository>(), LocalizationManager);
             serviceCollection.AddSingleton<IItemRepository>(ItemRepository);
 
             AuthenticationRepository = GetAuthenticationRepository();
             serviceCollection.AddSingleton(AuthenticationRepository);
 
-            UserRepository = GetUserRepository();
+            _userRepository = GetUserRepository();
+
+            UserManager = new UserManager(LoggerFactory.CreateLogger<UserManager>(), _userRepository, XmlSerializer, NetworkManager, () => ImageProcessor, () => DtoService, this, JsonSerializer, FileSystemManager);
 
-            UserManager = new UserManager(LoggerFactory, ServerConfigurationManager, UserRepository, XmlSerializer, NetworkManager, () => ImageProcessor, () => DtoService, this, JsonSerializer, FileSystemManager);
             serviceCollection.AddSingleton(UserManager);
 
             LibraryManager = new LibraryManager(this, LoggerFactory, TaskManager, UserManager, ServerConfigurationManager, UserDataManager, () => LibraryMonitor, FileSystemManager, () => ProviderManager, () => UserViewManager);
@@ -785,7 +809,7 @@ namespace Emby.Server.Implementations
 
             HttpServer = new HttpListenerHost(
                 this,
-                LoggerFactory,
+                LoggerFactory.CreateLogger<HttpListenerHost>(),
                 ServerConfigurationManager,
                 _configuration,
                 NetworkManager,
@@ -798,7 +822,7 @@ namespace Emby.Server.Implementations
 
             serviceCollection.AddSingleton(HttpServer);
 
-            ImageProcessor = GetImageProcessor();
+            ImageProcessor = new ImageProcessor(LoggerFactory.CreateLogger<ImageProcessor>(), ServerConfigurationManager.ApplicationPaths, FileSystemManager, ImageEncoder, () => LibraryManager, () => MediaEncoder);
             serviceCollection.AddSingleton(ImageProcessor);
 
             TVSeriesManager = new TVSeriesManager(UserManager, UserDataManager, LibraryManager, ServerConfigurationManager);
@@ -831,8 +855,7 @@ namespace Emby.Server.Implementations
             CollectionManager = new CollectionManager(LibraryManager, ApplicationPaths, LocalizationManager, FileSystemManager, LibraryMonitor, LoggerFactory, ProviderManager);
             serviceCollection.AddSingleton(CollectionManager);
 
-            PlaylistManager = new PlaylistManager(LibraryManager, FileSystemManager, LibraryMonitor, LoggerFactory, UserManager, ProviderManager);
-            serviceCollection.AddSingleton(PlaylistManager);
+            serviceCollection.AddSingleton(typeof(IPlaylistManager), typeof(PlaylistManager));
 
             LiveTvManager = new LiveTvManager(this, ServerConfigurationManager, LoggerFactory, ItemRepository, ImageProcessor, UserDataManager, DtoService, UserManager, LibraryManager, TaskManager, LocalizationManager, JsonSerializer, FileSystemManager, () => ChannelManager);
             serviceCollection.AddSingleton(LiveTvManager);
@@ -873,7 +896,7 @@ namespace Emby.Server.Implementations
             serviceCollection.AddSingleton<IAuthorizationContext>(authContext);
             serviceCollection.AddSingleton<ISessionContext>(new SessionContext(UserManager, authContext, SessionManager));
 
-            AuthService = new AuthService(UserManager, authContext, ServerConfigurationManager, SessionManager, NetworkManager);
+            AuthService = new AuthService(authContext, ServerConfigurationManager, SessionManager, NetworkManager);
             serviceCollection.AddSingleton(AuthService);
 
             SubtitleEncoder = new MediaBrowser.MediaEncoding.Subtitles.SubtitleEncoder(LibraryManager, LoggerFactory, ApplicationPaths, FileSystemManager, MediaEncoder, JsonSerializer, HttpClient, MediaSourceManager, ProcessFactory);
@@ -881,7 +904,7 @@ namespace Emby.Server.Implementations
 
             serviceCollection.AddSingleton(typeof(IResourceFileManager), typeof(ResourceFileManager));
 
-            displayPreferencesRepo.Initialize();
+            _displayPreferencesRepository.Initialize();
 
             var userDataRepo = new SqliteUserDataRepository(LoggerFactory, ApplicationPaths);
 
@@ -950,18 +973,15 @@ namespace Emby.Server.Implementations
             }
         }
 
-        private IImageProcessor GetImageProcessor()
-        {
-            return new ImageProcessor(LoggerFactory, ServerConfigurationManager.ApplicationPaths, FileSystemManager, ImageEncoder, () => LibraryManager, () => MediaEncoder);
-        }
-
         /// <summary>
         /// Gets the user repository.
         /// </summary>
-        /// <returns>Task{IUserRepository}.</returns>
-        private IUserRepository GetUserRepository()
+        /// <returns><see cref="Task{SqliteUserRepository}" />.</returns>
+        private SqliteUserRepository GetUserRepository()
         {
-            var repo = new SqliteUserRepository(LoggerFactory, ApplicationPaths, JsonSerializer);
+            var repo = new SqliteUserRepository(
+                LoggerFactory.CreateLogger<SqliteUserRepository>(),
+                ApplicationPaths);
 
             repo.Initialize();
 
@@ -1022,9 +1042,11 @@ namespace Emby.Server.Implementations
                         .Select(x => Assembly.LoadFrom(x))
                         .SelectMany(x => x.ExportedTypes)
                         .Where(x => x.IsClass && !x.IsAbstract && !x.IsInterface && !x.IsGenericType)
-                        .ToList();
+                        .ToArray();
 
-            types.AddRange(types);
+            int oldLen = _allConcreteTypes.Length;
+            Array.Resize(ref _allConcreteTypes, oldLen + types.Length);
+            types.CopyTo(_allConcreteTypes, oldLen);
 
             var plugins = types.Where(x => x.IsAssignableFrom(typeof(IPlugin)))
                     .Select(CreateInstanceSafe)
@@ -1034,8 +1056,8 @@ namespace Emby.Server.Implementations
                     .Where(x => x != null)
                     .ToArray();
 
-            int oldLen = _plugins.Length;
-            Array.Resize<IPlugin>(ref _plugins, _plugins.Length + plugins.Length);
+            oldLen = _plugins.Length;
+            Array.Resize(ref _plugins, oldLen + plugins.Length);
             plugins.CopyTo(_plugins, oldLen);
 
             var entries = types.Where(x => x.IsAssignableFrom(typeof(IServerEntryPoint)))
@@ -1044,8 +1066,8 @@ namespace Emby.Server.Implementations
                 .Cast<IServerEntryPoint>()
                 .ToList();
 
-            await Task.WhenAll(StartEntryPoints(entries, true));
-            await Task.WhenAll(StartEntryPoints(entries, false));
+            await Task.WhenAll(StartEntryPoints(entries, true)).ConfigureAwait(false);
+            await Task.WhenAll(StartEntryPoints(entries, false)).ConfigureAwait(false);
         }
 
         /// <summary>
@@ -1084,7 +1106,7 @@ namespace Emby.Server.Implementations
                 GetExports<IMetadataSaver>(),
                 GetExports<IExternalId>());
 
-            ImageProcessor.AddParts(GetExports<IImageEnhancer>());
+            ImageProcessor.ImageEnhancers = GetExports<IImageEnhancer>();
 
             LiveTvManager.AddParts(GetExports<ILiveTvService>(), GetExports<ITunerHost>(), GetExports<IListingsProvider>());
 
@@ -1152,7 +1174,7 @@ namespace Emby.Server.Implementations
         {
             Logger.LogInformation("Loading assemblies");
 
-            AllConcreteTypes = GetTypes(GetComposablePartAssemblies()).ToArray();
+            _allConcreteTypes = GetTypes(GetComposablePartAssemblies()).ToArray();
         }
 
         private IEnumerable<Type> GetTypes(IEnumerable<Assembly> assemblies)
@@ -1208,25 +1230,11 @@ namespace Emby.Server.Implementations
 
         private CertificateInfo GetCertificateInfo(bool generateCertificate)
         {
-            if (!string.IsNullOrWhiteSpace(ServerConfigurationManager.Configuration.CertificatePath))
-            {
-                // Custom cert
-                return new CertificateInfo
-                {
-                    Path = ServerConfigurationManager.Configuration.CertificatePath,
-                    Password = ServerConfigurationManager.Configuration.CertificatePassword
-                };
-            }
-
-            // Generate self-signed cert
-            var certHost = GetHostnameFromExternalDns(ServerConfigurationManager.Configuration.WanDdns);
-            var certPath = Path.Combine(ServerConfigurationManager.ApplicationPaths.ProgramDataPath, "ssl", "cert_" + (certHost + "2").GetMD5().ToString("N") + ".pfx");
-            const string Password = "embycert";
-
+            // Custom cert
             return new CertificateInfo
             {
-                Path = certPath,
-                Password = Password
+                Path = ServerConfigurationManager.Configuration.CertificatePath,
+                Password = ServerConfigurationManager.Configuration.CertificatePassword
             };
         }
 
@@ -1413,17 +1421,6 @@ namespace Emby.Server.Implementations
         {
             var localAddress = await GetLocalApiUrl(cancellationToken).ConfigureAwait(false);
 
-            string wanAddress;
-
-            if (string.IsNullOrEmpty(ServerConfigurationManager.Configuration.WanDdns))
-            {
-                wanAddress = await GetWanApiUrlFromExternal(cancellationToken).ConfigureAwait(false);
-            }
-            else
-            {
-                wanAddress = GetWanApiUrl(ServerConfigurationManager.Configuration.WanDdns);
-            }
-
             return new SystemInfo
             {
                 HasPendingRestart = HasPendingRestart,
@@ -1445,7 +1442,6 @@ namespace Emby.Server.Implementations
                 OperatingSystemDisplayName = OperatingSystem.Name,
                 CanSelfRestart = CanSelfRestart,
                 CanLaunchWebBrowser = CanLaunchWebBrowser,
-                WanAddress = wanAddress,
                 HasUpdateAvailable = HasUpdateAvailable,
                 TranscodingTempPath = ApplicationPaths.TranscodingTempPath,
                 ServerName = FriendlyName,
@@ -1458,37 +1454,21 @@ namespace Emby.Server.Implementations
             };
         }
 
-        public WakeOnLanInfo[] GetWakeOnLanInfo()
-        {
-            return NetworkManager.GetMacAddresses()
-                .Select(i => new WakeOnLanInfo
-                {
-                    MacAddress = i
-                })
-                .ToArray();
-        }
+        public IEnumerable<WakeOnLanInfo> GetWakeOnLanInfo()
+            => NetworkManager.GetMacAddresses()
+                .Select(i => new WakeOnLanInfo(i))
+                .ToList();
 
         public async Task<PublicSystemInfo> GetPublicSystemInfo(CancellationToken cancellationToken)
         {
             var localAddress = await GetLocalApiUrl(cancellationToken).ConfigureAwait(false);
 
-            string wanAddress;
-
-            if (string.IsNullOrEmpty(ServerConfigurationManager.Configuration.WanDdns))
-            {
-                wanAddress = await GetWanApiUrlFromExternal(cancellationToken).ConfigureAwait(false);
-            }
-            else
-            {
-                wanAddress = GetWanApiUrl(ServerConfigurationManager.Configuration.WanDdns);
-            }
             return new PublicSystemInfo
             {
                 Version = ApplicationVersion,
                 ProductName = ApplicationProductName,
                 Id = SystemId,
                 OperatingSystem = OperatingSystem.Id.ToString(),
-                WanAddress = wanAddress,
                 ServerName = FriendlyName,
                 LocalAddress = localAddress
             };
@@ -1520,33 +1500,6 @@ namespace Emby.Server.Implementations
             return null;
         }
 
-        public async Task<string> GetWanApiUrlFromExternal(CancellationToken cancellationToken)
-        {
-            const string Url = "http://ipv4.icanhazip.com";
-            try
-            {
-                using (var response = await HttpClient.Get(new HttpRequestOptions
-                {
-                    Url = Url,
-                    LogErrorResponseBody = false,
-                    LogErrors = false,
-                    LogRequest = false,
-                    BufferContent = false,
-                    CancellationToken = cancellationToken
-                }).ConfigureAwait(false))
-                {
-                    string res = await response.ReadToEndAsync().ConfigureAwait(false);
-                    return GetWanApiUrl(res.Trim());
-                }
-            }
-            catch (Exception ex)
-            {
-                Logger.LogError(ex, "Error getting WAN Ip address information");
-            }
-
-            return null;
-        }
-
         /// <summary>
         /// Removes the scope id from IPv6 addresses.
         /// </summary>
@@ -1589,32 +1542,6 @@ namespace Emby.Server.Implementations
                     HttpPort.ToString(CultureInfo.InvariantCulture));
         }
 
-        public string GetWanApiUrl(IPAddress ipAddress)
-        {
-            if (ipAddress.AddressFamily == AddressFamily.InterNetworkV6)
-            {
-                var str = RemoveScopeId(ipAddress.ToString());
-
-                return GetWanApiUrl("[" + str + "]");
-            }
-
-            return GetWanApiUrl(ipAddress.ToString());
-        }
-
-        public string GetWanApiUrl(string host)
-        {
-            if (EnableHttps)
-            {
-                return string.Format("https://{0}:{1}",
-                    host,
-                    ServerConfigurationManager.Configuration.PublicHttpsPort.ToString(CultureInfo.InvariantCulture));
-            }
-
-            return string.Format("http://{0}:{1}",
-                    host,
-                    ServerConfigurationManager.Configuration.PublicPort.ToString(CultureInfo.InvariantCulture));
-        }
-
         public Task<List<IPAddress>> GetLocalIpAddresses(CancellationToken cancellationToken)
         {
             return GetLocalIpAddressesInternal(true, 0, cancellationToken);
@@ -1682,8 +1609,8 @@ namespace Emby.Server.Implementations
 
         private async Task<bool> IsIpAddressValidAsync(IPAddress address, CancellationToken cancellationToken)
         {
-            if (address.Equals(IPAddress.Loopback) ||
-                address.Equals(IPAddress.IPv6Loopback))
+            if (address.Equals(IPAddress.Loopback)
+                || address.Equals(IPAddress.IPv6Loopback))
             {
                 return true;
             }
@@ -1696,12 +1623,6 @@ namespace Emby.Server.Implementations
                 return cachedResult;
             }
 
-#if DEBUG
-            const bool LogPing = true;
-#else
-            const bool LogPing = false;
-#endif
-
             try
             {
                 using (var response = await HttpClient.SendAsync(
@@ -1709,8 +1630,6 @@ namespace Emby.Server.Implementations
                     {
                         Url = apiUrl,
                         LogErrorResponseBody = false,
-                        LogErrors = LogPing,
-                        LogRequest = LogPing,
                         BufferContent = false,
                         CancellationToken = cancellationToken
                     }, HttpMethod.Post).ConfigureAwait(false))
@@ -1911,10 +1830,12 @@ namespace Emby.Server.Implementations
                     }
                 }
 
-                UserRepository.Dispose();
+                _userRepository?.Dispose();
+                _displayPreferencesRepository.Dispose();
             }
 
-            UserRepository = null;
+            _userRepository = null;
+            _displayPreferencesRepository = null;
 
             _disposed = true;
         }
diff --git a/Emby.Server.Implementations/Channels/ChannelManager.cs b/Emby.Server.Implementations/Channels/ChannelManager.cs
index e9961e8bd..8e5f5b561 100644
--- a/Emby.Server.Implementations/Channels/ChannelManager.cs
+++ b/Emby.Server.Implementations/Channels/ChannelManager.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Threading;
@@ -206,7 +207,7 @@ namespace Emby.Server.Implementations.Channels
 
                     try
                     {
-                        return GetChannelProvider(i).IsEnabledFor(user.Id.ToString("N"));
+                        return GetChannelProvider(i).IsEnabledFor(user.Id.ToString("N", CultureInfo.InvariantCulture));
                     }
                     catch
                     {
@@ -511,7 +512,7 @@ namespace Emby.Server.Implementations.Channels
                 IncludeItemTypes = new[] { typeof(Channel).Name },
                 OrderBy = new ValueTuple<string, SortOrder>[] { new ValueTuple<string, SortOrder>(ItemSortBy.SortName, SortOrder.Ascending) }
 
-            }).Select(i => GetChannelFeatures(i.ToString("N"))).ToArray();
+            }).Select(i => GetChannelFeatures(i.ToString("N", CultureInfo.InvariantCulture))).ToArray();
         }
 
         public ChannelFeatures GetChannelFeatures(string id)
@@ -552,7 +553,7 @@ namespace Emby.Server.Implementations.Channels
                 SupportsSortOrderToggle = features.SupportsSortOrderToggle,
                 SupportsLatestMedia = supportsLatest,
                 Name = channel.Name,
-                Id = channel.Id.ToString("N"),
+                Id = channel.Id.ToString("N", CultureInfo.InvariantCulture),
                 SupportsContentDownloading = features.SupportsContentDownloading,
                 AutoRefreshLevels = features.AutoRefreshLevels
             };
@@ -740,7 +741,7 @@ namespace Emby.Server.Implementations.Channels
             bool sortDescending,
             CancellationToken cancellationToken)
         {
-            var userId = user == null ? null : user.Id.ToString("N");
+            var userId = user == null ? null : user.Id.ToString("N", CultureInfo.InvariantCulture);
 
             var cacheLength = CacheLength;
             var cachePath = GetChannelDataCachePath(channel, userId, externalFolderId, sortField, sortDescending);
@@ -836,7 +837,7 @@ namespace Emby.Server.Implementations.Channels
             ChannelItemSortField? sortField,
             bool sortDescending)
         {
-            var channelId = GetInternalChannelId(channel.Name).ToString("N");
+            var channelId = GetInternalChannelId(channel.Name).ToString("N", CultureInfo.InvariantCulture);
 
             var userCacheKey = string.Empty;
 
@@ -846,10 +847,10 @@ namespace Emby.Server.Implementations.Channels
                 userCacheKey = hasCacheKey.GetCacheKey(userId) ?? string.Empty;
             }
 
-            var filename = string.IsNullOrEmpty(externalFolderId) ? "root" : externalFolderId.GetMD5().ToString("N");
+            var filename = string.IsNullOrEmpty(externalFolderId) ? "root" : externalFolderId.GetMD5().ToString("N", CultureInfo.InvariantCulture);
             filename += userCacheKey;
 
-            var version = ((channel.DataVersion ?? string.Empty) + "2").GetMD5().ToString("N");
+            var version = ((channel.DataVersion ?? string.Empty) + "2").GetMD5().ToString("N", CultureInfo.InvariantCulture);
 
             if (sortField.HasValue)
             {
@@ -860,7 +861,7 @@ namespace Emby.Server.Implementations.Channels
                 filename += "-sortDescending";
             }
 
-            filename = filename.GetMD5().ToString("N");
+            filename = filename.GetMD5().ToString("N", CultureInfo.InvariantCulture);
 
             return Path.Combine(_config.ApplicationPaths.CachePath,
                 "channels",
diff --git a/Emby.Server.Implementations/Collections/CollectionManager.cs b/Emby.Server.Implementations/Collections/CollectionManager.cs
index 2b99e0ddf..bb5057b1c 100644
--- a/Emby.Server.Implementations/Collections/CollectionManager.cs
+++ b/Emby.Server.Implementations/Collections/CollectionManager.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Threading;
@@ -182,7 +183,7 @@ namespace Emby.Server.Implementations.Collections
 
         public void AddToCollection(Guid collectionId, IEnumerable<Guid> ids)
         {
-            AddToCollection(collectionId, ids.Select(i => i.ToString("N")), true, new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem)));
+            AddToCollection(collectionId, ids.Select(i => i.ToString("N", CultureInfo.InvariantCulture)), true, new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem)));
         }
 
         private void AddToCollection(Guid collectionId, IEnumerable<string> ids, bool fireEvent, MetadataRefreshOptions refreshOptions)
diff --git a/Emby.Server.Implementations/Configuration/ServerConfigurationManager.cs b/Emby.Server.Implementations/Configuration/ServerConfigurationManager.cs
index c4fa68cac..c7f92b80b 100644
--- a/Emby.Server.Implementations/Configuration/ServerConfigurationManager.cs
+++ b/Emby.Server.Implementations/Configuration/ServerConfigurationManager.cs
@@ -66,7 +66,7 @@ namespace Emby.Server.Implementations.Configuration
         {
             base.AddParts(factories);
 
-            UpdateTranscodingTempPath();
+            UpdateTranscodePath();
         }
 
         /// <summary>
@@ -87,13 +87,13 @@ namespace Emby.Server.Implementations.Configuration
         /// <summary>
         /// Updates the transcoding temporary path.
         /// </summary>
-        private void UpdateTranscodingTempPath()
+        private void UpdateTranscodePath()
         {
             var encodingConfig = this.GetConfiguration<EncodingOptions>("encoding");
 
             ((ServerApplicationPaths)ApplicationPaths).TranscodingTempPath = string.IsNullOrEmpty(encodingConfig.TranscodingTempPath) ?
                 null :
-                Path.Combine(encodingConfig.TranscodingTempPath, "transcoding-temp");
+                Path.Combine(encodingConfig.TranscodingTempPath, "transcodes");
         }
 
         protected override void OnNamedConfigurationUpdated(string key, object configuration)
@@ -102,7 +102,7 @@ namespace Emby.Server.Implementations.Configuration
 
             if (string.Equals(key, "encoding", StringComparison.OrdinalIgnoreCase))
             {
-                UpdateTranscodingTempPath();
+                UpdateTranscodePath();
             }
         }
 
diff --git a/Emby.Server.Implementations/ConfigurationOptions.cs b/Emby.Server.Implementations/ConfigurationOptions.cs
index 9bc60972a..62408ee70 100644
--- a/Emby.Server.Implementations/ConfigurationOptions.cs
+++ b/Emby.Server.Implementations/ConfigurationOptions.cs
@@ -6,8 +6,8 @@ namespace Emby.Server.Implementations
     {
         public static readonly Dictionary<string, string> Configuration = new Dictionary<string, string>
         {
-            {"HttpListenerHost:DefaultRedirectPath", "web/index.html"},
-            {"MusicBrainz:BaseUrl", "https://www.musicbrainz.org"}
+            { "HttpListenerHost:DefaultRedirectPath", "web/index.html" },
+            { "MusicBrainz:BaseUrl", "https://www.musicbrainz.org" }
         };
     }
 }
diff --git a/Emby.Server.Implementations/Cryptography/CryptographyProvider.cs b/Emby.Server.Implementations/Cryptography/CryptographyProvider.cs
index 6d7193ce2..23b77e268 100644
--- a/Emby.Server.Implementations/Cryptography/CryptographyProvider.cs
+++ b/Emby.Server.Implementations/Cryptography/CryptographyProvider.cs
@@ -1,14 +1,12 @@
 using System;
 using System.Collections.Generic;
-using System.Globalization;
-using System.IO;
 using System.Security.Cryptography;
-using System.Text;
 using MediaBrowser.Model.Cryptography;
+using static MediaBrowser.Common.Cryptography.Constants;
 
 namespace Emby.Server.Implementations.Cryptography
 {
-    public class CryptographyProvider : ICryptoProvider
+    public class CryptographyProvider : ICryptoProvider, IDisposable
     {
         private static readonly HashSet<string> _supportedHashMethods = new HashSet<string>()
             {
@@ -28,59 +26,28 @@ namespace Emby.Server.Implementations.Cryptography
                 "System.Security.Cryptography.SHA512"
             };
 
-        public string DefaultHashMethod => "PBKDF2";
-
         private RandomNumberGenerator _randomNumberGenerator;
 
-        private const int _defaultIterations = 1000;
+        private bool _disposed = false;
 
         public CryptographyProvider()
         {
-            //FIXME: When we get DotNet Standard 2.1 we need to revisit how we do the crypto
-            //Currently supported hash methods from https://docs.microsoft.com/en-us/dotnet/api/system.security.cryptography.cryptoconfig?view=netcore-2.1
-            //there might be a better way to autogenerate this list as dotnet updates, but I couldn't find one
-            //Please note the default method of PBKDF2 is not included, it cannot be used to generate hashes cleanly as it is actually a pbkdf with sha1
+            // FIXME: When we get DotNet Standard 2.1 we need to revisit how we do the crypto
+            // Currently supported hash methods from https://docs.microsoft.com/en-us/dotnet/api/system.security.cryptography.cryptoconfig?view=netcore-2.1
+            // there might be a better way to autogenerate this list as dotnet updates, but I couldn't find one
+            // Please note the default method of PBKDF2 is not included, it cannot be used to generate hashes cleanly as it is actually a pbkdf with sha1
             _randomNumberGenerator = RandomNumberGenerator.Create();
         }
 
-        public Guid GetMD5(string str)
-        {
-            return new Guid(ComputeMD5(Encoding.Unicode.GetBytes(str)));
-        }
-
-        public byte[] ComputeSHA1(byte[] bytes)
-        {
-            using (var provider = SHA1.Create())
-            {
-                return provider.ComputeHash(bytes);
-            }
-        }
-
-        public byte[] ComputeMD5(Stream str)
-        {
-            using (var provider = MD5.Create())
-            {
-                return provider.ComputeHash(str);
-            }
-        }
-
-        public byte[] ComputeMD5(byte[] bytes)
-        {
-            using (var provider = MD5.Create())
-            {
-                return provider.ComputeHash(bytes);
-            }
-        }
+        public string DefaultHashMethod => "PBKDF2";
 
         public IEnumerable<string> GetSupportedHashMethods()
-        {
-            return _supportedHashMethods;
-        }
+            => _supportedHashMethods;
 
         private byte[] PBKDF2(string method, byte[] bytes, byte[] salt, int iterations)
         {
-            //downgrading for now as we need this library to be dotnetstandard compliant
-            //with this downgrade we'll add a check to make sure we're on the downgrade method at the moment
+            // downgrading for now as we need this library to be dotnetstandard compliant
+            // with this downgrade we'll add a check to make sure we're on the downgrade method at the moment
             if (method == DefaultHashMethod)
             {
                 using (var r = new Rfc2898DeriveBytes(bytes, salt, iterations))
@@ -93,20 +60,16 @@ namespace Emby.Server.Implementations.Cryptography
         }
 
         public byte[] ComputeHash(string hashMethod, byte[] bytes)
-        {
-            return ComputeHash(hashMethod, bytes, Array.Empty<byte>());
-        }
+            => ComputeHash(hashMethod, bytes, Array.Empty<byte>());
 
         public byte[] ComputeHashWithDefaultMethod(byte[] bytes)
-        {
-            return ComputeHash(DefaultHashMethod, bytes);
-        }
+            => ComputeHash(DefaultHashMethod, bytes);
 
         public byte[] ComputeHash(string hashMethod, byte[] bytes, byte[] salt)
         {
             if (hashMethod == DefaultHashMethod)
             {
-                return PBKDF2(hashMethod, bytes, salt, _defaultIterations);
+                return PBKDF2(hashMethod, bytes, salt, DefaultIterations);
             }
             else if (_supportedHashMethods.Contains(hashMethod))
             {
@@ -125,44 +88,46 @@ namespace Emby.Server.Implementations.Cryptography
                     }
                 }
             }
-            else
-            {
-                throw new CryptographicException($"Requested hash method is not supported: {hashMethod}");
-            }
+
+            throw new CryptographicException($"Requested hash method is not supported: {hashMethod}");
+
         }
 
         public byte[] ComputeHashWithDefaultMethod(byte[] bytes, byte[] salt)
+            => PBKDF2(DefaultHashMethod, bytes, salt, DefaultIterations);
+
+        public byte[] GenerateSalt()
+            => GenerateSalt(DefaultSaltLength);
+
+        public byte[] GenerateSalt(int length)
+        {
+            byte[] salt = new byte[length];
+            _randomNumberGenerator.GetBytes(salt);
+            return salt;
+        }
+
+        /// <inheritdoc />
+        public void Dispose()
         {
-            return PBKDF2(DefaultHashMethod, bytes, salt, _defaultIterations);
+            Dispose(true);
+            GC.SuppressFinalize(this);
         }
 
-        public byte[] ComputeHash(PasswordHash hash)
+        protected virtual void Dispose(bool disposing)
         {
-            int iterations = _defaultIterations;
-            if (!hash.Parameters.ContainsKey("iterations"))
+            if (_disposed)
             {
-                hash.Parameters.Add("iterations", _defaultIterations.ToString(CultureInfo.InvariantCulture));
+                return;
             }
-            else
+
+            if (disposing)
             {
-                try
-                {
-                    iterations = int.Parse(hash.Parameters["iterations"]);
-                }
-                catch (Exception e)
-                {
-                    throw new InvalidDataException($"Couldn't successfully parse iterations value from string: {hash.Parameters["iterations"]}", e);
-                }
+                _randomNumberGenerator.Dispose();
             }
 
-            return PBKDF2(hash.Id, hash.HashBytes, hash.SaltBytes, iterations);
-        }
+            _randomNumberGenerator = null;
 
-        public byte[] GenerateSalt()
-        {
-            byte[] salt = new byte[64];
-            _randomNumberGenerator.GetBytes(salt);
-            return salt;
+            _disposed = true;
         }
     }
 }
diff --git a/Emby.Server.Implementations/Data/BaseSqliteRepository.cs b/Emby.Server.Implementations/Data/BaseSqliteRepository.cs
index 010ad6384..4e392f6c9 100644
--- a/Emby.Server.Implementations/Data/BaseSqliteRepository.cs
+++ b/Emby.Server.Implementations/Data/BaseSqliteRepository.cs
@@ -53,10 +53,10 @@ namespace Emby.Server.Implementations.Data
         protected virtual int? CacheSize => null;
 
         /// <summary>
-        /// Gets the journal mode.
+        /// Gets the journal mode. <see href="https://www.sqlite.org/pragma.html#pragma_journal_mode" />
         /// </summary>
         /// <value>The journal mode.</value>
-        protected virtual string JournalMode => "WAL";
+        protected virtual string JournalMode => "TRUNCATE";
 
         /// <summary>
         /// Gets the page size.
@@ -124,7 +124,7 @@ namespace Emby.Server.Implementations.Data
             }
 
             WriteConnection.Execute("PRAGMA temp_store=" + (int)TempStore);
-            
+
             // Configuration and pragmas can affect VACUUM so it needs to be last.
             WriteConnection.Execute("VACUUM");
 
@@ -218,7 +218,7 @@ namespace Emby.Server.Implementations.Data
                 WriteLock.Wait();
                 try
                 {
-                    WriteConnection.Dispose();
+                    WriteConnection?.Dispose();
                 }
                 finally
                 {
diff --git a/Emby.Server.Implementations/Data/SqliteDisplayPreferencesRepository.cs b/Emby.Server.Implementations/Data/SqliteDisplayPreferencesRepository.cs
index 01ef9851d..2cd4d65b3 100644
--- a/Emby.Server.Implementations/Data/SqliteDisplayPreferencesRepository.cs
+++ b/Emby.Server.Implementations/Data/SqliteDisplayPreferencesRepository.cs
@@ -1,44 +1,45 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
+using System.Text.Json;
 using System.Threading;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Common.Extensions;
+using MediaBrowser.Common.Json;
 using MediaBrowser.Controller.Persistence;
 using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.IO;
-using MediaBrowser.Model.Serialization;
 using Microsoft.Extensions.Logging;
 using SQLitePCL.pretty;
 
 namespace Emby.Server.Implementations.Data
 {
     /// <summary>
-    /// Class SQLiteDisplayPreferencesRepository
+    /// Class SQLiteDisplayPreferencesRepository.
     /// </summary>
     public class SqliteDisplayPreferencesRepository : BaseSqliteRepository, IDisplayPreferencesRepository
     {
         private readonly IFileSystem _fileSystem;
 
-        public SqliteDisplayPreferencesRepository(ILoggerFactory loggerFactory, IJsonSerializer jsonSerializer, IApplicationPaths appPaths, IFileSystem fileSystem)
-            : base(loggerFactory.CreateLogger(nameof(SqliteDisplayPreferencesRepository)))
+        private readonly JsonSerializerOptions _jsonOptions;
+
+        public SqliteDisplayPreferencesRepository(ILogger<SqliteDisplayPreferencesRepository> logger, IApplicationPaths appPaths, IFileSystem fileSystem)
+            : base(logger)
         {
-            _jsonSerializer = jsonSerializer;
             _fileSystem = fileSystem;
+
+            _jsonOptions = JsonDefaults.GetOptions();
+
             DbFilePath = Path.Combine(appPaths.DataPath, "displaypreferences.db");
         }
 
         /// <summary>
-        /// Gets the name of the repository
+        /// Gets the name of the repository.
         /// </summary>
         /// <value>The name.</value>
         public string Name => "SQLite";
 
-        /// <summary>
-        /// The _json serializer
-        /// </summary>
-        private readonly IJsonSerializer _jsonSerializer;
-
         public void Initialize()
         {
             try
@@ -61,14 +62,14 @@ namespace Emby.Server.Implementations.Data
         /// <returns>Task.</returns>
         private void InitializeInternal()
         {
-            using (var connection = GetConnection())
+            string[] queries =
             {
-                string[] queries = {
-
-                    "create table if not exists userdisplaypreferences (id GUID NOT NULL, userId GUID NOT NULL, client text NOT NULL, data BLOB NOT NULL)",
-                    "create unique index if not exists userdisplaypreferencesindex on userdisplaypreferences (id, userId, client)"
-                               };
+                "create table if not exists userdisplaypreferences (id GUID NOT NULL, userId GUID NOT NULL, client text NOT NULL, data BLOB NOT NULL)",
+                "create unique index if not exists userdisplaypreferencesindex on userdisplaypreferences (id, userId, client)"
+            };
 
+            using (var connection = GetConnection())
+            {
                 connection.RunQueries(queries);
             }
         }
@@ -80,7 +81,6 @@ namespace Emby.Server.Implementations.Data
         /// <param name="userId">The user id.</param>
         /// <param name="client">The client.</param>
         /// <param name="cancellationToken">The cancellation token.</param>
-        /// <returns>Task.</returns>
         /// <exception cref="ArgumentNullException">item</exception>
         public void SaveDisplayPreferences(DisplayPreferences displayPreferences, Guid userId, string client, CancellationToken cancellationToken)
         {
@@ -98,16 +98,15 @@ namespace Emby.Server.Implementations.Data
 
             using (var connection = GetConnection())
             {
-                connection.RunInTransaction(db =>
-                {
-                    SaveDisplayPreferences(displayPreferences, userId, client, db);
-                }, TransactionMode);
+                connection.RunInTransaction(
+                    db => SaveDisplayPreferences(displayPreferences, userId, client, db),
+                    TransactionMode);
             }
         }
 
         private void SaveDisplayPreferences(DisplayPreferences displayPreferences, Guid userId, string client, IDatabaseConnection connection)
         {
-            var serialized = _jsonSerializer.SerializeToBytes(displayPreferences);
+            var serialized = JsonSerializer.SerializeToUtf8Bytes(displayPreferences, _jsonOptions);
 
             using (var statement = connection.PrepareStatement("replace into userdisplaypreferences (id, userid, client, data) values (@id, @userId, @client, @data)"))
             {
@@ -126,7 +125,6 @@ namespace Emby.Server.Implementations.Data
         /// <param name="displayPreferences">The display preferences.</param>
         /// <param name="userId">The user id.</param>
         /// <param name="cancellationToken">The cancellation token.</param>
-        /// <returns>Task.</returns>
         /// <exception cref="ArgumentNullException">item</exception>
         public void SaveAllDisplayPreferences(IEnumerable<DisplayPreferences> displayPreferences, Guid userId, CancellationToken cancellationToken)
         {
@@ -139,13 +137,15 @@ namespace Emby.Server.Implementations.Data
 
             using (var connection = GetConnection())
             {
-                connection.RunInTransaction(db =>
-                {
-                    foreach (var displayPreference in displayPreferences)
+                connection.RunInTransaction(
+                    db =>
                     {
-                        SaveDisplayPreferences(displayPreference, userId, displayPreference.Client, db);
-                    }
-                }, TransactionMode);
+                        foreach (var displayPreference in displayPreferences)
+                        {
+                            SaveDisplayPreferences(displayPreference, userId, displayPreference.Client, db);
+                        }
+                    },
+                    TransactionMode);
             }
         }
 
@@ -179,12 +179,12 @@ namespace Emby.Server.Implementations.Data
                         return Get(row);
                     }
                 }
-
-                return new DisplayPreferences
-                {
-                    Id = guidId.ToString("N")
-                };
             }
+
+            return new DisplayPreferences
+            {
+                Id = guidId.ToString("N", CultureInfo.InvariantCulture)
+            };
         }
 
         /// <summary>
@@ -198,15 +198,13 @@ namespace Emby.Server.Implementations.Data
             var list = new List<DisplayPreferences>();
 
             using (var connection = GetConnection(true))
+            using (var statement = connection.PrepareStatement("select data from userdisplaypreferences where userId=@userId"))
             {
-                using (var statement = connection.PrepareStatement("select data from userdisplaypreferences where userId=@userId"))
-                {
-                    statement.TryBind("@userId", userId.ToGuidBlob());
+                statement.TryBind("@userId", userId.ToGuidBlob());
 
-                    foreach (var row in statement.ExecuteQuery())
-                    {
-                        list.Add(Get(row));
-                    }
+                foreach (var row in statement.ExecuteQuery())
+                {
+                    list.Add(Get(row));
                 }
             }
 
@@ -214,22 +212,12 @@ namespace Emby.Server.Implementations.Data
         }
 
         private DisplayPreferences Get(IReadOnlyList<IResultSetValue> row)
-        {
-            using (var stream = new MemoryStream(row[0].ToBlob()))
-            {
-                stream.Position = 0;
-                return _jsonSerializer.DeserializeFromStream<DisplayPreferences>(stream);
-            }
-        }
+            => JsonSerializer.Deserialize<DisplayPreferences>(row[0].ToBlob(), _jsonOptions);
 
         public void SaveDisplayPreferences(DisplayPreferences displayPreferences, string userId, string client, CancellationToken cancellationToken)
-        {
-            SaveDisplayPreferences(displayPreferences, new Guid(userId), client, cancellationToken);
-        }
+            => SaveDisplayPreferences(displayPreferences, new Guid(userId), client, cancellationToken);
 
         public DisplayPreferences GetDisplayPreferences(string displayPreferencesId, string userId, string client)
-        {
-            return GetDisplayPreferences(displayPreferencesId, new Guid(userId), client);
-        }
+            => GetDisplayPreferences(displayPreferencesId, new Guid(userId), client);
     }
 }
diff --git a/Emby.Server.Implementations/Data/SqliteExtensions.cs b/Emby.Server.Implementations/Data/SqliteExtensions.cs
index c0f27b25a..e7c394b54 100644
--- a/Emby.Server.Implementations/Data/SqliteExtensions.cs
+++ b/Emby.Server.Implementations/Data/SqliteExtensions.cs
@@ -18,10 +18,6 @@ namespace Emby.Server.Implementations.Data
 
             connection.RunInTransaction(conn =>
             {
-                //foreach (var query in queries)
-                //{
-                //    conn.Execute(query);
-                //}
                 conn.ExecuteAll(string.Join(";", queries));
             });
         }
diff --git a/Emby.Server.Implementations/Data/SqliteItemRepository.cs b/Emby.Server.Implementations/Data/SqliteItemRepository.cs
index 1cefcec7c..31a661c5d 100644
--- a/Emby.Server.Implementations/Data/SqliteItemRepository.cs
+++ b/Emby.Server.Implementations/Data/SqliteItemRepository.cs
@@ -5,8 +5,11 @@ using System.IO;
 using System.Linq;
 using System.Runtime.Serialization;
 using System.Text;
+using System.Text.Json;
+using System.Text.Json.Serialization;
 using System.Threading;
 using Emby.Server.Implementations.Playlists;
+using MediaBrowser.Common.Json;
 using MediaBrowser.Controller;
 using MediaBrowser.Controller.Channels;
 using MediaBrowser.Controller.Configuration;
@@ -38,14 +41,6 @@ namespace Emby.Server.Implementations.Data
     {
         private const string ChaptersTableName = "Chapters2";
 
-        private readonly TypeMapper _typeMapper;
-
-        /// <summary>
-        /// Gets the json serializer.
-        /// </summary>
-        /// <value>The json serializer.</value>
-        private readonly IJsonSerializer _jsonSerializer;
-
         /// <summary>
         /// The _app paths
         /// </summary>
@@ -53,33 +48,31 @@ namespace Emby.Server.Implementations.Data
         private readonly IServerApplicationHost _appHost;
         private readonly ILocalizationManager _localization;
 
+        private readonly TypeMapper _typeMapper;
+        private readonly JsonSerializerOptions _jsonOptions;
+
         /// <summary>
         /// Initializes a new instance of the <see cref="SqliteItemRepository"/> class.
         /// </summary>
         public SqliteItemRepository(
             IServerConfigurationManager config,
             IServerApplicationHost appHost,
-            IJsonSerializer jsonSerializer,
-            ILoggerFactory loggerFactory,
+            ILogger<SqliteItemRepository> logger,
             ILocalizationManager localization)
-            : base(loggerFactory.CreateLogger(nameof(SqliteItemRepository)))
+            : base(logger)
         {
             if (config == null)
             {
                 throw new ArgumentNullException(nameof(config));
             }
 
-            if (jsonSerializer == null)
-            {
-                throw new ArgumentNullException(nameof(jsonSerializer));
-            }
-
-            _appHost = appHost;
             _config = config;
-            _jsonSerializer = jsonSerializer;
-            _typeMapper = new TypeMapper();
+            _appHost = appHost;
             _localization = localization;
 
+            _typeMapper = new TypeMapper();
+            _jsonOptions = JsonDefaults.GetOptions();
+
             DbFilePath = Path.Combine(_config.ApplicationPaths.DataPath, "library.db");
         }
 
@@ -99,35 +92,114 @@ namespace Emby.Server.Implementations.Data
         /// </summary>
         public void Initialize(SqliteUserDataRepository userDataRepo, IUserManager userManager)
         {
-            using (var connection = GetConnection())
-            {
-                const string createMediaStreamsTableCommand
+            const string CreateMediaStreamsTableCommand
                     = "create table if not exists mediastreams (ItemId GUID, StreamIndex INT, StreamType TEXT, Codec TEXT, Language TEXT, ChannelLayout TEXT, Profile TEXT, AspectRatio TEXT, Path TEXT, IsInterlaced BIT, BitRate INT NULL, Channels INT NULL, SampleRate INT NULL, IsDefault BIT, IsForced BIT, IsExternal BIT, Height INT NULL, Width INT NULL, AverageFrameRate FLOAT NULL, RealFrameRate FLOAT NULL, Level FLOAT NULL, PixelFormat TEXT, BitDepth INT NULL, IsAnamorphic BIT NULL, RefFrames INT NULL, CodecTag TEXT NULL, Comment TEXT NULL, NalLengthSize TEXT NULL, IsAvc BIT NULL, Title TEXT NULL, TimeBase TEXT NULL, CodecTimeBase TEXT NULL, ColorPrimaries TEXT NULL, ColorSpace TEXT NULL, ColorTransfer TEXT NULL, PRIMARY KEY (ItemId, StreamIndex))";
 
-                string[] queries = {
-                    "PRAGMA locking_mode=EXCLUSIVE",
+            string[] queries =
+            {
+                "PRAGMA locking_mode=EXCLUSIVE",
 
-                    "create table if not exists TypedBaseItems (guid GUID primary key NOT NULL, type TEXT NOT NULL, data BLOB NULL, ParentId GUID NULL, Path TEXT NULL)",
+                "create table if not exists TypedBaseItems (guid GUID primary key NOT NULL, type TEXT NOT NULL, data BLOB NULL, ParentId GUID NULL, Path TEXT NULL)",
 
-                    "create table if not exists AncestorIds (ItemId GUID NOT NULL, AncestorId GUID NOT NULL, AncestorIdText TEXT NOT NULL, PRIMARY KEY (ItemId, AncestorId))",
-                    "create index if not exists idx_AncestorIds1 on AncestorIds(AncestorId)",
-                    "create index if not exists idx_AncestorIds5 on AncestorIds(AncestorIdText,ItemId)",
+                "create table if not exists AncestorIds (ItemId GUID NOT NULL, AncestorId GUID NOT NULL, AncestorIdText TEXT NOT NULL, PRIMARY KEY (ItemId, AncestorId))",
+                "create index if not exists idx_AncestorIds1 on AncestorIds(AncestorId)",
+                "create index if not exists idx_AncestorIds5 on AncestorIds(AncestorIdText,ItemId)",
 
-                    "create table if not exists ItemValues (ItemId GUID NOT NULL, Type INT NOT NULL, Value TEXT NOT NULL, CleanValue TEXT NOT NULL)",
+                "create table if not exists ItemValues (ItemId GUID NOT NULL, Type INT NOT NULL, Value TEXT NOT NULL, CleanValue TEXT NOT NULL)",
 
-                    "create table if not exists People (ItemId GUID, Name TEXT NOT NULL, Role TEXT, PersonType TEXT, SortOrder int, ListOrder int)",
+                "create table if not exists People (ItemId GUID, Name TEXT NOT NULL, Role TEXT, PersonType TEXT, SortOrder int, ListOrder int)",
 
-                    "drop index if exists idxPeopleItemId",
-                    "create index if not exists idxPeopleItemId1 on People(ItemId,ListOrder)",
-                    "create index if not exists idxPeopleName on People(Name)",
+                "drop index if exists idxPeopleItemId",
+                "create index if not exists idxPeopleItemId1 on People(ItemId,ListOrder)",
+                "create index if not exists idxPeopleName on People(Name)",
 
-                    "create table if not exists " + ChaptersTableName + " (ItemId GUID, ChapterIndex INT NOT NULL, StartPositionTicks BIGINT NOT NULL, Name TEXT, ImagePath TEXT, PRIMARY KEY (ItemId, ChapterIndex))",
+                "create table if not exists " + ChaptersTableName + " (ItemId GUID, ChapterIndex INT NOT NULL, StartPositionTicks BIGINT NOT NULL, Name TEXT, ImagePath TEXT, PRIMARY KEY (ItemId, ChapterIndex))",
 
-                    createMediaStreamsTableCommand,
+                CreateMediaStreamsTableCommand,
+
+                "pragma shrink_memory"
+            };
 
-                    "pragma shrink_memory"
-                };
 
+            string[] postQueries =
+            {
+                // obsolete
+                "drop index if exists idx_TypedBaseItems",
+                "drop index if exists idx_mediastreams",
+                "drop index if exists idx_mediastreams1",
+                "drop index if exists idx_"+ChaptersTableName,
+                "drop index if exists idx_UserDataKeys1",
+                "drop index if exists idx_UserDataKeys2",
+                "drop index if exists idx_TypeTopParentId3",
+                "drop index if exists idx_TypeTopParentId2",
+                "drop index if exists idx_TypeTopParentId4",
+                "drop index if exists idx_Type",
+                "drop index if exists idx_TypeTopParentId",
+                "drop index if exists idx_GuidType",
+                "drop index if exists idx_TopParentId",
+                "drop index if exists idx_TypeTopParentId6",
+                "drop index if exists idx_ItemValues2",
+                "drop index if exists Idx_ProviderIds",
+                "drop index if exists idx_ItemValues3",
+                "drop index if exists idx_ItemValues4",
+                "drop index if exists idx_ItemValues5",
+                "drop index if exists idx_UserDataKeys3",
+                "drop table if exists UserDataKeys",
+                "drop table if exists ProviderIds",
+                "drop index if exists Idx_ProviderIds1",
+                "drop table if exists Images",
+                "drop index if exists idx_Images",
+                "drop index if exists idx_TypeSeriesPresentationUniqueKey",
+                "drop index if exists idx_SeriesPresentationUniqueKey",
+                "drop index if exists idx_TypeSeriesPresentationUniqueKey2",
+                "drop index if exists idx_AncestorIds3",
+                "drop index if exists idx_AncestorIds4",
+                "drop index if exists idx_AncestorIds2",
+
+                "create index if not exists idx_PathTypedBaseItems on TypedBaseItems(Path)",
+                "create index if not exists idx_ParentIdTypedBaseItems on TypedBaseItems(ParentId)",
+
+                "create index if not exists idx_PresentationUniqueKey on TypedBaseItems(PresentationUniqueKey)",
+                "create index if not exists idx_GuidTypeIsFolderIsVirtualItem on TypedBaseItems(Guid,Type,IsFolder,IsVirtualItem)",
+                "create index if not exists idx_CleanNameType on TypedBaseItems(CleanName,Type)",
+
+                // covering index
+                "create index if not exists idx_TopParentIdGuid on TypedBaseItems(TopParentId,Guid)",
+
+                // series
+                "create index if not exists idx_TypeSeriesPresentationUniqueKey1 on TypedBaseItems(Type,SeriesPresentationUniqueKey,PresentationUniqueKey,SortName)",
+
+                // series counts
+                // seriesdateplayed sort order
+                "create index if not exists idx_TypeSeriesPresentationUniqueKey3 on TypedBaseItems(SeriesPresentationUniqueKey,Type,IsFolder,IsVirtualItem)",
+
+                // live tv programs
+                "create index if not exists idx_TypeTopParentIdStartDate on TypedBaseItems(Type,TopParentId,StartDate)",
+
+                // covering index for getitemvalues
+                "create index if not exists idx_TypeTopParentIdGuid on TypedBaseItems(Type,TopParentId,Guid)",
+
+                // used by movie suggestions
+                "create index if not exists idx_TypeTopParentIdGroup on TypedBaseItems(Type,TopParentId,PresentationUniqueKey)",
+                "create index if not exists idx_TypeTopParentId5 on TypedBaseItems(TopParentId,IsVirtualItem)",
+
+                // latest items
+                "create index if not exists idx_TypeTopParentId9 on TypedBaseItems(TopParentId,Type,IsVirtualItem,PresentationUniqueKey,DateCreated)",
+                "create index if not exists idx_TypeTopParentId8 on TypedBaseItems(TopParentId,IsFolder,IsVirtualItem,PresentationUniqueKey,DateCreated)",
+
+                // resume
+                "create index if not exists idx_TypeTopParentId7 on TypedBaseItems(TopParentId,MediaType,IsVirtualItem,PresentationUniqueKey)",
+
+                // items by name
+                "create index if not exists idx_ItemValues6 on ItemValues(ItemId,Type,CleanValue)",
+                "create index if not exists idx_ItemValues7 on ItemValues(Type,CleanValue,ItemId)",
+
+                // Used to update inherited tags
+                "create index if not exists idx_ItemValues8 on ItemValues(Type, ItemId, Value)",
+            };
+
+            using (var connection = GetConnection())
+            {
                 connection.RunQueries(queries);
 
                 connection.RunInTransaction(db =>
@@ -235,83 +307,6 @@ namespace Emby.Server.Implementations.Data
 
                 }, TransactionMode);
 
-                string[] postQueries =
-                {
-                    // obsolete
-                    "drop index if exists idx_TypedBaseItems",
-                    "drop index if exists idx_mediastreams",
-                    "drop index if exists idx_mediastreams1",
-                    "drop index if exists idx_"+ChaptersTableName,
-                    "drop index if exists idx_UserDataKeys1",
-                    "drop index if exists idx_UserDataKeys2",
-                    "drop index if exists idx_TypeTopParentId3",
-                    "drop index if exists idx_TypeTopParentId2",
-                    "drop index if exists idx_TypeTopParentId4",
-                    "drop index if exists idx_Type",
-                    "drop index if exists idx_TypeTopParentId",
-                    "drop index if exists idx_GuidType",
-                    "drop index if exists idx_TopParentId",
-                    "drop index if exists idx_TypeTopParentId6",
-                    "drop index if exists idx_ItemValues2",
-                    "drop index if exists Idx_ProviderIds",
-                    "drop index if exists idx_ItemValues3",
-                    "drop index if exists idx_ItemValues4",
-                    "drop index if exists idx_ItemValues5",
-                    "drop index if exists idx_UserDataKeys3",
-                    "drop table if exists UserDataKeys",
-                    "drop table if exists ProviderIds",
-                    "drop index if exists Idx_ProviderIds1",
-                    "drop table if exists Images",
-                    "drop index if exists idx_Images",
-                    "drop index if exists idx_TypeSeriesPresentationUniqueKey",
-                    "drop index if exists idx_SeriesPresentationUniqueKey",
-                    "drop index if exists idx_TypeSeriesPresentationUniqueKey2",
-                    "drop index if exists idx_AncestorIds3",
-                    "drop index if exists idx_AncestorIds4",
-                    "drop index if exists idx_AncestorIds2",
-
-                    "create index if not exists idx_PathTypedBaseItems on TypedBaseItems(Path)",
-                    "create index if not exists idx_ParentIdTypedBaseItems on TypedBaseItems(ParentId)",
-
-                    "create index if not exists idx_PresentationUniqueKey on TypedBaseItems(PresentationUniqueKey)",
-                    "create index if not exists idx_GuidTypeIsFolderIsVirtualItem on TypedBaseItems(Guid,Type,IsFolder,IsVirtualItem)",
-                    "create index if not exists idx_CleanNameType on TypedBaseItems(CleanName,Type)",
-
-                    // covering index
-                    "create index if not exists idx_TopParentIdGuid on TypedBaseItems(TopParentId,Guid)",
-
-                    // series
-                    "create index if not exists idx_TypeSeriesPresentationUniqueKey1 on TypedBaseItems(Type,SeriesPresentationUniqueKey,PresentationUniqueKey,SortName)",
-
-                    // series counts
-                    // seriesdateplayed sort order
-                    "create index if not exists idx_TypeSeriesPresentationUniqueKey3 on TypedBaseItems(SeriesPresentationUniqueKey,Type,IsFolder,IsVirtualItem)",
-
-                    // live tv programs
-                    "create index if not exists idx_TypeTopParentIdStartDate on TypedBaseItems(Type,TopParentId,StartDate)",
-
-                    // covering index for getitemvalues
-                    "create index if not exists idx_TypeTopParentIdGuid on TypedBaseItems(Type,TopParentId,Guid)",
-
-                    // used by movie suggestions
-                    "create index if not exists idx_TypeTopParentIdGroup on TypedBaseItems(Type,TopParentId,PresentationUniqueKey)",
-                    "create index if not exists idx_TypeTopParentId5 on TypedBaseItems(TopParentId,IsVirtualItem)",
-
-                    // latest items
-                    "create index if not exists idx_TypeTopParentId9 on TypedBaseItems(TopParentId,Type,IsVirtualItem,PresentationUniqueKey,DateCreated)",
-                    "create index if not exists idx_TypeTopParentId8 on TypedBaseItems(TopParentId,IsFolder,IsVirtualItem,PresentationUniqueKey,DateCreated)",
-
-                    // resume
-                    "create index if not exists idx_TypeTopParentId7 on TypedBaseItems(TopParentId,MediaType,IsVirtualItem,PresentationUniqueKey)",
-
-                    // items by name
-                    "create index if not exists idx_ItemValues6 on ItemValues(ItemId,Type,CleanValue)",
-                    "create index if not exists idx_ItemValues7 on ItemValues(Type,CleanValue,ItemId)",
-
-                    // Used to update inherited tags
-                    "create index if not exists idx_ItemValues8 on ItemValues(Type, ItemId, Value)",
-                };
-
                 connection.RunQueries(postQueries);
             }
 
@@ -669,7 +664,7 @@ namespace Emby.Server.Implementations.Data
 
             if (TypeRequiresDeserialization(item.GetType()))
             {
-                saveItemStatement.TryBind("@data", _jsonSerializer.SerializeToBytes(item));
+                saveItemStatement.TryBind("@data", JsonSerializer.SerializeToUtf8Bytes(item, _jsonOptions));
             }
             else
             {
@@ -696,7 +691,7 @@ namespace Emby.Server.Implementations.Data
                 saveItemStatement.TryBindNull("@EndDate");
             }
 
-            saveItemStatement.TryBind("@ChannelId", item.ChannelId.Equals(Guid.Empty) ? null : item.ChannelId.ToString("N"));
+            saveItemStatement.TryBind("@ChannelId", item.ChannelId.Equals(Guid.Empty) ? null : item.ChannelId.ToString("N", CultureInfo.InvariantCulture));
 
             if (item is IHasProgramAttributes hasProgramAttributes)
             {
@@ -851,7 +846,7 @@ namespace Emby.Server.Implementations.Data
             }
             else
             {
-                saveItemStatement.TryBind("@TopParentId", topParent.Id.ToString("N"));
+                saveItemStatement.TryBind("@TopParentId", topParent.Id.ToString("N", CultureInfo.InvariantCulture));
             }
 
             if (item is Trailer trailer && trailer.TrailerTypes.Length > 0)
@@ -977,7 +972,7 @@ namespace Emby.Server.Implementations.Data
             }
 
             string artists = null;
-            if (item is IHasArtist hasArtists && hasArtists.Artists.Length > 0)
+            if (item is IHasArtist hasArtists && hasArtists.Artists.Count > 0)
             {
                 artists = string.Join("|", hasArtists.Artists);
             }
@@ -985,7 +980,7 @@ namespace Emby.Server.Implementations.Data
 
             string albumArtists = null;
             if (item is IHasAlbumArtist hasAlbumArtists
-                && hasAlbumArtists.AlbumArtists.Length > 0)
+                && hasAlbumArtists.AlbumArtists.Count > 0)
             {
                 albumArtists = string.Join("|", hasAlbumArtists.AlbumArtists);
             }
@@ -1298,18 +1293,13 @@ namespace Emby.Server.Implementations.Data
 
             if (TypeRequiresDeserialization(type))
             {
-                using (var stream = new MemoryStream(reader[1].ToBlob()))
+                try
                 {
-                    stream.Position = 0;
-
-                    try
-                    {
-                        item = _jsonSerializer.DeserializeFromStream(stream, type) as BaseItem;
-                    }
-                    catch (SerializationException ex)
-                    {
-                        Logger.LogError(ex, "Error deserializing item");
-                    }
+                    item = JsonSerializer.Deserialize(reader[1].ToBlob(), type, _jsonOptions) as BaseItem;
+                }
+                catch (JsonException ex)
+                {
+                    Logger.LogError(ex, "Error deserializing item with JSON: {Data}", reader.GetString(1));
                 }
             }
 
@@ -1999,14 +1989,14 @@ namespace Emby.Server.Implementations.Data
                 throw new ArgumentNullException(nameof(chapters));
             }
 
+            var idBlob = id.ToGuidBlob();
+
             using (var connection = GetConnection())
             {
                 connection.RunInTransaction(db =>
                 {
-                    var idBlob = id.ToGuidBlob();
-
-                        // First delete chapters
-                        db.Execute("delete from " + ChaptersTableName + " where ItemId=@ItemId", idBlob);
+                    // First delete chapters
+                    db.Execute("delete from " + ChaptersTableName + " where ItemId=@ItemId", idBlob);
 
                     InsertChapters(idBlob, chapters, db);
 
@@ -2535,6 +2525,7 @@ namespace Emby.Server.Implementations.Data
                 commandText += " where " + string.Join(" AND ", whereClauses);
             }
 
+            int count;
             using (var connection = GetConnection(true))
             {
                 using (var statement = PrepareStatement(connection, commandText))
@@ -2550,11 +2541,12 @@ namespace Emby.Server.Implementations.Data
                     // Running this again will bind the params
                     GetWhereClauses(query, statement);
 
-                    var count = statement.ExecuteQuery().SelectScalarInt().First();
-                    LogQueryTime("GetCount", commandText, now);
-                    return count;
+                    count = statement.ExecuteQuery().SelectScalarInt().First();
                 }
             }
+
+            LogQueryTime("GetCount", commandText, now);
+            return count;
         }
 
         public List<BaseItem> GetItemList(InternalItemsQuery query)
@@ -2604,10 +2596,9 @@ namespace Emby.Server.Implementations.Data
                 }
             }
 
+            var items = new List<BaseItem>();
             using (var connection = GetConnection(true))
             {
-                var items = new List<BaseItem>();
-
                 using (var statement = PrepareStatement(connection, commandText))
                 {
                     if (EnableJoinUserData(query))
@@ -2658,11 +2649,11 @@ namespace Emby.Server.Implementations.Data
 
                     items = newList;
                 }
+            }
 
-                LogQueryTime("GetItemList", commandText, now);
+            LogQueryTime("GetItemList", commandText, now);
 
-                return items;
-            }
+            return items;
         }
 
         private string FixUnicodeChars(string buffer)
@@ -2726,7 +2717,7 @@ namespace Emby.Server.Implementations.Data
 
             if (elapsed >= SlowThreshold)
             {
-                Logger.LogWarning(
+                Logger.LogDebug(
                     "{Method} query time (slow): {ElapsedMs}ms. Query: {Query}",
                     methodName,
                     elapsed,
@@ -2748,15 +2739,13 @@ namespace Emby.Server.Implementations.Data
                 var returnList = GetItemList(query);
                 return new QueryResult<BaseItem>
                 {
-                    Items = returnList.ToArray(),
+                    Items = returnList,
                     TotalRecordCount = returnList.Count
                 };
             }
 
             var now = DateTime.UtcNow;
 
-            var list = new List<BaseItem>();
-
             // Hack for right now since we currently don't support filtering out these duplicates within a query
             if (query.Limit.HasValue && query.EnableGroupByMetadataKey)
             {
@@ -2822,11 +2811,13 @@ namespace Emby.Server.Implementations.Data
                 statementTexts.Add(commandText);
             }
 
+            var list = new List<BaseItem>();
+            var result = new QueryResult<BaseItem>();
             using (var connection = GetConnection(true))
             {
-                return connection.RunInTransaction(db =>
+                connection.RunInTransaction(db =>
                 {
-                    var result = new QueryResult<BaseItem>();
+
                     var statements = PrepareAll(db, statementTexts).ToList();
 
                     if (!isReturningZeroItems)
@@ -2881,14 +2872,12 @@ namespace Emby.Server.Implementations.Data
                             result.TotalRecordCount = statement.ExecuteQuery().SelectScalarInt().First();
                         }
                     }
-
-                    LogQueryTime("GetItems", commandText, now);
-
-                    result.Items = list.ToArray();
-                    return result;
-
                 }, ReadTransactionMode);
             }
+
+            LogQueryTime("GetItems", commandText, now);
+            result.Items = list;
+            return result;
         }
 
         private string GetOrderByText(InternalItemsQuery query)
@@ -3054,10 +3043,9 @@ namespace Emby.Server.Implementations.Data
                 }
             }
 
+            var list = new List<Guid>();
             using (var connection = GetConnection(true))
             {
-                var list = new List<Guid>();
-
                 using (var statement = PrepareStatement(connection, commandText))
                 {
                     if (EnableJoinUserData(query))
@@ -3076,11 +3064,10 @@ namespace Emby.Server.Implementations.Data
                         list.Add(row[0].ReadGuidFromBlob());
                     }
                 }
-
-                LogQueryTime("GetItemList", commandText, now);
-
-                return list;
             }
+
+            LogQueryTime("GetItemList", commandText, now);
+            return list;
         }
 
         public List<Tuple<Guid, string>> GetItemIdsWithPath(InternalItemsQuery query)
@@ -3142,6 +3129,7 @@ namespace Emby.Server.Implementations.Data
                         {
                             path = row.GetString(1);
                         }
+
                         list.Add(new Tuple<Guid, string>(id, path));
                     }
                 }
@@ -3166,7 +3154,7 @@ namespace Emby.Server.Implementations.Data
                 var returnList = GetItemIdsList(query);
                 return new QueryResult<Guid>
                 {
-                    Items = returnList.ToArray(),
+                    Items = returnList,
                     TotalRecordCount = returnList.Count
                 };
             }
@@ -3203,7 +3191,7 @@ namespace Emby.Server.Implementations.Data
                 }
             }
 
-            var list = new List<Guid>();
+
             var isReturningZeroItems = query.Limit.HasValue && query.Limit <= 0;
 
             var statementTexts = new List<string>();
@@ -3233,12 +3221,12 @@ namespace Emby.Server.Implementations.Data
                 statementTexts.Add(commandText);
             }
 
+            var list = new List<Guid>();
+            var result = new QueryResult<Guid>();
             using (var connection = GetConnection(true))
             {
-                return connection.RunInTransaction(db =>
+                connection.RunInTransaction(db =>
                 {
-                    var result = new QueryResult<Guid>();
-
                     var statements = PrepareAll(db, statementTexts).ToList();
 
                     if (!isReturningZeroItems)
@@ -3281,14 +3269,13 @@ namespace Emby.Server.Implementations.Data
                             result.TotalRecordCount = statement.ExecuteQuery().SelectScalarInt().First();
                         }
                     }
-
-                    LogQueryTime("GetItemIds", commandText, now);
-
-                    result.Items = list.ToArray();
-                    return result;
-
                 }, ReadTransactionMode);
             }
+
+            LogQueryTime("GetItemIds", commandText, now);
+
+            result.Items = list;
+            return result;
         }
 
         private bool IsAlphaNumeric(string str)
@@ -3548,12 +3535,12 @@ namespace Emby.Server.Implementations.Data
                 whereClauses.Add("ChannelId=@ChannelId");
                 if (statement != null)
                 {
-                    statement.TryBind("@ChannelId", query.ChannelIds[0].ToString("N"));
+                    statement.TryBind("@ChannelId", query.ChannelIds[0].ToString("N", CultureInfo.InvariantCulture));
                 }
             }
             else if (query.ChannelIds.Length > 1)
             {
-                var inClause = string.Join(",", query.ChannelIds.Select(i => "'" + i.ToString("N") + "'"));
+                var inClause = string.Join(",", query.ChannelIds.Select(i => "'" + i.ToString("N", CultureInfo.InvariantCulture) + "'"));
                 whereClauses.Add($"ChannelId in ({inClause})");
             }
 
@@ -4537,12 +4524,12 @@ namespace Emby.Server.Implementations.Data
                 }
                 if (statement != null)
                 {
-                    statement.TryBind("@TopParentId", queryTopParentIds[0].ToString("N"));
+                    statement.TryBind("@TopParentId", queryTopParentIds[0].ToString("N", CultureInfo.InvariantCulture));
                 }
             }
             else if (queryTopParentIds.Length > 1)
             {
-                var val = string.Join(",", queryTopParentIds.Select(i => "'" + i.ToString("N") + "'"));
+                var val = string.Join(",", queryTopParentIds.Select(i => "'" + i.ToString("N", CultureInfo.InvariantCulture) + "'"));
 
                 if (enableItemsByName && includedItemByNameTypes.Count == 1)
                 {
@@ -4574,7 +4561,7 @@ namespace Emby.Server.Implementations.Data
             }
             if (query.AncestorIds.Length > 1)
             {
-                var inClause = string.Join(",", query.AncestorIds.Select(i => "'" + i.ToString("N") + "'"));
+                var inClause = string.Join(",", query.AncestorIds.Select(i => "'" + i.ToString("N", CultureInfo.InvariantCulture) + "'"));
                 whereClauses.Add(string.Format("Guid in (select itemId from AncestorIds where AncestorIdText in ({0}))", inClause));
             }
             if (!string.IsNullOrWhiteSpace(query.AncestorWithPresentationUniqueKey))
@@ -4637,7 +4624,7 @@ namespace Emby.Server.Implementations.Data
 
                 foreach (var folderId in query.BoxSetLibraryFolders)
                 {
-                    folderIdQueries.Add("data like '%" + folderId.ToString("N") + "%'");
+                    folderIdQueries.Add("data like '%" + folderId.ToString("N", CultureInfo.InvariantCulture) + "%'");
                 }
 
                 whereClauses.Add("(" + string.Join(" OR ", folderIdQueries) + ")");
@@ -4864,22 +4851,25 @@ namespace Emby.Server.Implementations.Data
 
         private void UpdateInheritedTags(CancellationToken cancellationToken)
         {
-            using (var connection = GetConnection())
-            {
-                connection.RunInTransaction(db =>
+            string sql = string.Join(
+                ";",
+                new string[]
                 {
-                    connection.ExecuteAll(string.Join(";", new string[]
-                    {
-                            "delete from itemvalues where type = 6",
+                    "delete from itemvalues where type = 6",
 
-                            "insert into itemvalues (ItemId, Type, Value, CleanValue)  select ItemId, 6, Value, CleanValue from ItemValues where Type=4",
+                    "insert into itemvalues (ItemId, Type, Value, CleanValue)  select ItemId, 6, Value, CleanValue from ItemValues where Type=4",
 
-                            @"insert into itemvalues (ItemId, Type, Value, CleanValue) select AncestorIds.itemid, 6, ItemValues.Value, ItemValues.CleanValue
+                    @"insert into itemvalues (ItemId, Type, Value, CleanValue) select AncestorIds.itemid, 6, ItemValues.Value, ItemValues.CleanValue
 FROM AncestorIds
 LEFT JOIN ItemValues ON (AncestorIds.AncestorId = ItemValues.ItemId)
 where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type = 4 "
+                });
 
-                    }));
+            using (var connection = GetConnection())
+            {
+                connection.RunInTransaction(db =>
+                {
+                    connection.ExecuteAll(sql);
 
                 }, TransactionMode);
             }
@@ -4933,23 +4923,23 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
                 {
                     var idBlob = id.ToGuidBlob();
 
-                        // Delete people
-                        ExecuteWithSingleParam(db, "delete from People where ItemId=@Id", idBlob);
+                    // Delete people
+                    ExecuteWithSingleParam(db, "delete from People where ItemId=@Id", idBlob);
 
-                        // Delete chapters
-                        ExecuteWithSingleParam(db, "delete from " + ChaptersTableName + " where ItemId=@Id", idBlob);
+                    // Delete chapters
+                    ExecuteWithSingleParam(db, "delete from " + ChaptersTableName + " where ItemId=@Id", idBlob);
 
-                        // Delete media streams
-                        ExecuteWithSingleParam(db, "delete from mediastreams where ItemId=@Id", idBlob);
+                    // Delete media streams
+                    ExecuteWithSingleParam(db, "delete from mediastreams where ItemId=@Id", idBlob);
 
-                        // Delete ancestors
-                        ExecuteWithSingleParam(db, "delete from AncestorIds where ItemId=@Id", idBlob);
+                    // Delete ancestors
+                    ExecuteWithSingleParam(db, "delete from AncestorIds where ItemId=@Id", idBlob);
 
-                        // Delete item values
-                        ExecuteWithSingleParam(db, "delete from ItemValues where ItemId=@Id", idBlob);
+                    // Delete item values
+                    ExecuteWithSingleParam(db, "delete from ItemValues where ItemId=@Id", idBlob);
 
-                        // Delete the item
-                        ExecuteWithSingleParam(db, "delete from TypedBaseItems where guid=@Id", idBlob);
+                    // Delete the item
+                    ExecuteWithSingleParam(db, "delete from TypedBaseItems where guid=@Id", idBlob);
                 }, TransactionMode);
             }
         }
@@ -4997,6 +4987,7 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
                         list.Add(row.GetString(0));
                     }
                 }
+
                 return list;
             }
         }
@@ -5161,7 +5152,7 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
                     var ancestorId = ancestorIds[i];
 
                     statement.TryBind("@AncestorId" + index, ancestorId.ToGuidBlob());
-                    statement.TryBind("@AncestorIdText" + index, ancestorId.ToString("N"));
+                    statement.TryBind("@AncestorIdText" + index, ancestorId.ToString("N", CultureInfo.InvariantCulture));
                 }
 
                 statement.Reset();
@@ -5247,10 +5238,9 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
 
             commandText += " Group By CleanValue";
 
+            var list = new List<string>();
             using (var connection = GetConnection(true))
             {
-                var list = new List<string>();
-
                 using (var statement = PrepareStatement(connection, commandText))
                 {
                     foreach (var row in statement.ExecuteQuery())
@@ -5262,10 +5252,10 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
                     }
                 }
 
-                LogQueryTime("GetItemValueNames", commandText, now);
-
-                return list;
             }
+
+            LogQueryTime("GetItemValueNames", commandText, now);
+            return list;
         }
 
         private QueryResult<(BaseItem, ItemCounts)> GetItemValues(InternalItemsQuery query, int[] itemValueTypes, string returnType)
@@ -5422,6 +5412,7 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
             {
                 statementTexts.Add(commandText);
             }
+
             if (query.EnableTotalRecordCount)
             {
                 var countText = "select "
@@ -5433,98 +5424,98 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
                 statementTexts.Add(countText);
             }
 
+            var list = new List<(BaseItem, ItemCounts)>();
+            var result = new QueryResult<(BaseItem, ItemCounts)>();
             using (var connection = GetConnection(true))
             {
-                return connection.RunInTransaction(db =>
-                {
-                    var list = new List<(BaseItem, ItemCounts)>();
-                    var result = new QueryResult<(BaseItem, ItemCounts)>();
-
-                    var statements = PrepareAll(db, statementTexts).ToList();
-
-                    if (!isReturningZeroItems)
+                connection.RunInTransaction(
+                    db =>
                     {
-                        using (var statement = statements[0])
+                        var statements = PrepareAll(db, statementTexts).ToList();
+
+                        if (!isReturningZeroItems)
                         {
-                            statement.TryBind("@SelectType", returnType);
-                            if (EnableJoinUserData(query))
+                            using (var statement = statements[0])
                             {
-                                statement.TryBind("@UserId", query.User.InternalId);
-                            }
+                                statement.TryBind("@SelectType", returnType);
+                                if (EnableJoinUserData(query))
+                                {
+                                    statement.TryBind("@UserId", query.User.InternalId);
+                                }
 
-                            if (typeSubQuery != null)
-                            {
-                                GetWhereClauses(typeSubQuery, null);
-                            }
-                            BindSimilarParams(query, statement);
-                            BindSearchParams(query, statement);
-                            GetWhereClauses(innerQuery, statement);
-                            GetWhereClauses(outerQuery, statement);
+                                if (typeSubQuery != null)
+                                {
+                                    GetWhereClauses(typeSubQuery, null);
+                                }
 
-                            var hasEpisodeAttributes = HasEpisodeAttributes(query);
-                            var hasProgramAttributes = HasProgramAttributes(query);
-                            var hasServiceName = HasServiceName(query);
-                            var hasStartDate = HasStartDate(query);
-                            var hasTrailerTypes = HasTrailerTypes(query);
-                            var hasArtistFields = HasArtistFields(query);
-                            var hasSeriesFields = HasSeriesFields(query);
+                                BindSimilarParams(query, statement);
+                                BindSearchParams(query, statement);
+                                GetWhereClauses(innerQuery, statement);
+                                GetWhereClauses(outerQuery, statement);
 
-                            foreach (var row in statement.ExecuteQuery())
-                            {
-                                var item = GetItem(row, query, hasProgramAttributes, hasEpisodeAttributes, hasServiceName, hasStartDate, hasTrailerTypes, hasArtistFields, hasSeriesFields);
-                                if (item != null)
+                                var hasEpisodeAttributes = HasEpisodeAttributes(query);
+                                var hasProgramAttributes = HasProgramAttributes(query);
+                                var hasServiceName = HasServiceName(query);
+                                var hasStartDate = HasStartDate(query);
+                                var hasTrailerTypes = HasTrailerTypes(query);
+                                var hasArtistFields = HasArtistFields(query);
+                                var hasSeriesFields = HasSeriesFields(query);
+
+                                foreach (var row in statement.ExecuteQuery())
                                 {
-                                    var countStartColumn = columns.Count - 1;
+                                    var item = GetItem(row, query, hasProgramAttributes, hasEpisodeAttributes, hasServiceName, hasStartDate, hasTrailerTypes, hasArtistFields, hasSeriesFields);
+                                    if (item != null)
+                                    {
+                                        var countStartColumn = columns.Count - 1;
 
-                                    list.Add((item, GetItemCounts(row, countStartColumn, typesToCount)));
+                                        list.Add((item, GetItemCounts(row, countStartColumn, typesToCount)));
+                                    }
                                 }
                             }
-
-                            LogQueryTime("GetItemValues", commandText, now);
                         }
-                    }
 
-                    if (query.EnableTotalRecordCount)
-                    {
-                        commandText = "select "
-                                    + string.Join(",", GetFinalColumnsToSelect(query, new[] { "count (distinct PresentationUniqueKey)" }))
-                                    + GetFromText()
-                                    + GetJoinUserDataText(query)
-                                    + whereText;
-
-                        using (var statement = statements[statements.Count - 1])
+                        if (query.EnableTotalRecordCount)
                         {
-                            statement.TryBind("@SelectType", returnType);
-                            if (EnableJoinUserData(query))
-                            {
-                                statement.TryBind("@UserId", query.User.InternalId);
-                            }
+                            commandText = "select "
+                                        + string.Join(",", GetFinalColumnsToSelect(query, new[] { "count (distinct PresentationUniqueKey)" }))
+                                        + GetFromText()
+                                        + GetJoinUserDataText(query)
+                                        + whereText;
 
-                            if (typeSubQuery != null)
+                            using (var statement = statements[statements.Count - 1])
                             {
-                                GetWhereClauses(typeSubQuery, null);
-                            }
-                            BindSimilarParams(query, statement);
-                            BindSearchParams(query, statement);
-                            GetWhereClauses(innerQuery, statement);
-                            GetWhereClauses(outerQuery, statement);
+                                statement.TryBind("@SelectType", returnType);
+                                if (EnableJoinUserData(query))
+                                {
+                                    statement.TryBind("@UserId", query.User.InternalId);
+                                }
 
-                            result.TotalRecordCount = statement.ExecuteQuery().SelectScalarInt().First();
+                                if (typeSubQuery != null)
+                                {
+                                    GetWhereClauses(typeSubQuery, null);
+                                }
+                                BindSimilarParams(query, statement);
+                                BindSearchParams(query, statement);
+                                GetWhereClauses(innerQuery, statement);
+                                GetWhereClauses(outerQuery, statement);
 
-                            LogQueryTime("GetItemValues", commandText, now);
+                                result.TotalRecordCount = statement.ExecuteQuery().SelectScalarInt().First();
+                            }
                         }
-                    }
-
-                    if (result.TotalRecordCount == 0)
-                    {
-                        result.TotalRecordCount = list.Count;
-                    }
-                    result.Items = list.ToArray();
+                    },
+                    ReadTransactionMode);
+            }
 
-                    return result;
+            LogQueryTime("GetItemValues", commandText, now);
 
-                }, ReadTransactionMode);
+            if (result.TotalRecordCount == 0)
+            {
+                result.TotalRecordCount = list.Count;
             }
+
+            result.Items = list;
+
+            return result;
         }
 
         private ItemCounts GetItemCounts(IReadOnlyList<IResultSetValue> reader, int countStartColumn, string[] typesToCount)
@@ -5579,6 +5570,7 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
                 {
                     counts.TrailerCount = value;
                 }
+
                 counts.ItemCount += value;
             }
 
@@ -5706,8 +5698,8 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
                 {
                     var itemIdBlob = itemId.ToGuidBlob();
 
-                        // First delete chapters
-                        db.Execute("delete from People where ItemId=@ItemId", itemIdBlob);
+                    // First delete chapters
+                    db.Execute("delete from People where ItemId=@ItemId", itemIdBlob);
 
                     InsertPeople(itemIdBlob, people, db);
 
@@ -5732,7 +5724,7 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
                 {
                     if (isSubsequentRow)
                     {
-                        insertText.Append(",");
+                        insertText.Append(',');
                     }
 
                     insertText.AppendFormat("(@ItemId, @Name{0}, @Role{0}, @PersonType{0}, @SortOrder{0}, @ListOrder{0})", i.ToString(CultureInfo.InvariantCulture));
@@ -5867,8 +5859,8 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
                 {
                     var itemIdBlob = id.ToGuidBlob();
 
-                        // First delete chapters
-                        db.Execute("delete from mediastreams where ItemId=@ItemId", itemIdBlob);
+                    // First delete chapters
+                    db.Execute("delete from mediastreams where ItemId=@ItemId", itemIdBlob);
 
                     InsertMediaStreams(itemIdBlob, streams, db);
 
diff --git a/Emby.Server.Implementations/Data/SqliteUserDataRepository.cs b/Emby.Server.Implementations/Data/SqliteUserDataRepository.cs
index 4035bb99d..9d4855bcf 100644
--- a/Emby.Server.Implementations/Data/SqliteUserDataRepository.cs
+++ b/Emby.Server.Implementations/Data/SqliteUserDataRepository.cs
@@ -44,7 +44,7 @@ namespace Emby.Server.Implementations.Data
                 var userDatasTableExists = TableExists(connection, "UserDatas");
                 var userDataTableExists = TableExists(connection, "userdata");
 
-                var users = userDatasTableExists ? null : userManager.Users.ToArray();
+                var users = userDatasTableExists ? null : userManager.Users;
 
                 connection.RunInTransaction(db =>
                 {
@@ -84,7 +84,7 @@ namespace Emby.Server.Implementations.Data
             }
         }
 
-        private void ImportUserIds(IDatabaseConnection db, User[] users)
+        private void ImportUserIds(IDatabaseConnection db, IEnumerable<User> users)
         {
             var userIdsWithUserData = GetAllUserIdsWithUserData(db);
 
diff --git a/Emby.Server.Implementations/Data/SqliteUserRepository.cs b/Emby.Server.Implementations/Data/SqliteUserRepository.cs
index de2354eef..80fe278f8 100644
--- a/Emby.Server.Implementations/Data/SqliteUserRepository.cs
+++ b/Emby.Server.Implementations/Data/SqliteUserRepository.cs
@@ -1,10 +1,11 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
+using System.Text.Json;
+using MediaBrowser.Common.Json;
 using MediaBrowser.Controller;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Persistence;
-using MediaBrowser.Model.Serialization;
 using Microsoft.Extensions.Logging;
 using SQLitePCL.pretty;
 
@@ -15,15 +16,14 @@ namespace Emby.Server.Implementations.Data
     /// </summary>
     public class SqliteUserRepository : BaseSqliteRepository, IUserRepository
     {
-        private readonly IJsonSerializer _jsonSerializer;
+        private readonly JsonSerializerOptions _jsonOptions;
 
         public SqliteUserRepository(
-            ILoggerFactory loggerFactory,
-            IServerApplicationPaths appPaths,
-            IJsonSerializer jsonSerializer)
-            : base(loggerFactory.CreateLogger(nameof(SqliteUserRepository)))
+            ILogger<SqliteUserRepository> logger,
+            IServerApplicationPaths appPaths)
+            : base(logger)
         {
-            _jsonSerializer = jsonSerializer;
+            _jsonOptions = JsonDefaults.GetOptions();;
 
             DbFilePath = Path.Combine(appPaths.DataPath, "users.db");
         }
@@ -35,9 +35,8 @@ namespace Emby.Server.Implementations.Data
         public string Name => "SQLite";
 
         /// <summary>
-        /// Opens the connection to the database
+        /// Opens the connection to the database.
         /// </summary>
-        /// <returns>Task.</returns>
         public void Initialize()
         {
             using (var connection = GetConnection())
@@ -85,7 +84,7 @@ namespace Emby.Server.Implementations.Data
                 }
 
                 user.Password = null;
-                var serialized = _jsonSerializer.SerializeToBytes(user);
+                var serialized = JsonSerializer.SerializeToUtf8Bytes(user, _jsonOptions);
 
                 connection.RunInTransaction(db =>
                 {
@@ -109,7 +108,7 @@ namespace Emby.Server.Implementations.Data
                 throw new ArgumentNullException(nameof(user));
             }
 
-            var serialized = _jsonSerializer.SerializeToBytes(user);
+            var serialized = JsonSerializer.SerializeToUtf8Bytes(user, _jsonOptions);
 
             using (var connection = GetConnection())
             {
@@ -143,7 +142,7 @@ namespace Emby.Server.Implementations.Data
                 throw new ArgumentNullException(nameof(user));
             }
 
-            var serialized = _jsonSerializer.SerializeToBytes(user);
+            var serialized = JsonSerializer.SerializeToUtf8Bytes(user, _jsonOptions);
 
             using (var connection = GetConnection())
             {
@@ -180,14 +179,10 @@ namespace Emby.Server.Implementations.Data
             var id = row[0].ToInt64();
             var guid = row[1].ReadGuidFromBlob();
 
-            using (var stream = new MemoryStream(row[2].ToBlob()))
-            {
-                stream.Position = 0;
-                var user = _jsonSerializer.DeserializeFromStream<User>(stream);
-                user.InternalId = id;
-                user.Id = guid;
-                return user;
-            }
+            var user = JsonSerializer.Deserialize<User>(row[2].ToBlob(), _jsonOptions);
+            user.InternalId = id;
+            user.Id = guid;
+            return user;
         }
 
         /// <summary>
diff --git a/Emby.Server.Implementations/Devices/DeviceId.cs b/Emby.Server.Implementations/Devices/DeviceId.cs
index 495c3436a..7344dc72f 100644
--- a/Emby.Server.Implementations/Devices/DeviceId.cs
+++ b/Emby.Server.Implementations/Devices/DeviceId.cs
@@ -1,8 +1,8 @@
 using System;
+using System.Globalization;
 using System.IO;
 using System.Text;
 using MediaBrowser.Common.Configuration;
-using MediaBrowser.Model.IO;
 using Microsoft.Extensions.Logging;
 
 namespace Emby.Server.Implementations.Devices
@@ -67,7 +67,7 @@ namespace Emby.Server.Implementations.Devices
 
         private static string GetNewId()
         {
-            return Guid.NewGuid().ToString("N");
+            return Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture);
         }
 
         private string GetDeviceId()
diff --git a/Emby.Server.Implementations/Devices/DeviceManager.cs b/Emby.Server.Implementations/Devices/DeviceManager.cs
index 7d6529a67..d1704b373 100644
--- a/Emby.Server.Implementations/Devices/DeviceManager.cs
+++ b/Emby.Server.Implementations/Devices/DeviceManager.cs
@@ -1,11 +1,11 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Common.Extensions;
-using MediaBrowser.Common.Net;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Devices;
 using MediaBrowser.Controller.Entities;
@@ -195,7 +195,7 @@ namespace Emby.Server.Implementations.Devices
 
         private string GetDevicePath(string id)
         {
-            return Path.Combine(GetDevicesPath(), id.GetMD5().ToString("N"));
+            return Path.Combine(GetDevicesPath(), id.GetMD5().ToString("N", CultureInfo.InvariantCulture));
         }
 
         public ContentUploadHistory GetCameraUploadHistory(string deviceId)
diff --git a/Emby.Server.Implementations/Dto/DtoService.cs b/Emby.Server.Implementations/Dto/DtoService.cs
index 2f1b60be9..6c0e32e05 100644
--- a/Emby.Server.Implementations/Dto/DtoService.cs
+++ b/Emby.Server.Implementations/Dto/DtoService.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
@@ -79,27 +80,25 @@ namespace Emby.Server.Implementations.Dto
             return GetBaseItemDto(item, options, user, owner);
         }
 
-        public BaseItemDto[] GetBaseItemDtos(IReadOnlyList<BaseItem> items, DtoOptions options, User user = null, BaseItem owner = null)
-            => GetBaseItemDtos(items, items.Count, options, user, owner);
-
-        public BaseItemDto[] GetBaseItemDtos(IEnumerable<BaseItem> items, int itemCount, DtoOptions options, User user = null, BaseItem owner = null)
+        /// <inheritdoc />
+        public IReadOnlyList<BaseItemDto> GetBaseItemDtos(IReadOnlyList<BaseItem> items, DtoOptions options, User user = null, BaseItem owner = null)
         {
-            var returnItems = new BaseItemDto[itemCount];
-            var programTuples = new List<Tuple<BaseItem, BaseItemDto>>();
-            var channelTuples = new List<Tuple<BaseItemDto, LiveTvChannel>>();
+            var returnItems = new BaseItemDto[items.Count];
+            var programTuples = new List<(BaseItem, BaseItemDto)>();
+            var channelTuples = new List<(BaseItemDto, LiveTvChannel)>();
 
-            var index = 0;
-            foreach (var item in items)
+            for (int index = 0; index < items.Count; index++)
             {
+                var item = items[index];
                 var dto = GetBaseItemDtoInternal(item, options, user, owner);
 
                 if (item is LiveTvChannel tvChannel)
                 {
-                    channelTuples.Add(new Tuple<BaseItemDto, LiveTvChannel>(dto, tvChannel));
+                    channelTuples.Add((dto, tvChannel));
                 }
                 else if (item is LiveTvProgram)
                 {
-                    programTuples.Add(new Tuple<BaseItem, BaseItemDto>(item, dto));
+                    programTuples.Add((item, dto));
                 }
 
                 if (item is IItemByName byName)
@@ -120,7 +119,6 @@ namespace Emby.Server.Implementations.Dto
                 }
 
                 returnItems[index] = dto;
-                index++;
             }
 
             if (programTuples.Count > 0)
@@ -139,33 +137,32 @@ namespace Emby.Server.Implementations.Dto
         public BaseItemDto GetBaseItemDto(BaseItem item, DtoOptions options, User user = null, BaseItem owner = null)
         {
             var dto = GetBaseItemDtoInternal(item, options, user, owner);
-            var tvChannel = item as LiveTvChannel;
-            if (tvChannel != null)
+            if (item is LiveTvChannel tvChannel)
             {
-                var list = new List<Tuple<BaseItemDto, LiveTvChannel>> { new Tuple<BaseItemDto, LiveTvChannel>(dto, tvChannel) };
+                var list = new List<(BaseItemDto, LiveTvChannel)>(1) { (dto, tvChannel) };
                 _livetvManager().AddChannelInfo(list, options, user);
             }
             else if (item is LiveTvProgram)
             {
-                var list = new List<Tuple<BaseItem, BaseItemDto>> { new Tuple<BaseItem, BaseItemDto>(item, dto) };
+                var list = new List<(BaseItem, BaseItemDto)>(1) { (item, dto) };
                 var task = _livetvManager().AddInfoToProgramDto(list, options.Fields, user);
                 Task.WaitAll(task);
             }
 
-            var byName = item as IItemByName;
-
-            if (byName != null)
+            if (item is IItemByName itemByName
+                && options.ContainsField(ItemFields.ItemCounts))
             {
-                if (options.ContainsField(ItemFields.ItemCounts))
-                {
-                    SetItemByNameInfo(item, dto, GetTaggedItems(byName, user, new DtoOptions(false)
-                    {
-                        EnableImages = false
-
-                    }), user);
-                }
-
-                return dto;
+                SetItemByNameInfo(
+                    item,
+                    dto,
+                    GetTaggedItems(
+                        itemByName,
+                        user,
+                        new DtoOptions(false)
+                        {
+                            EnableImages = false
+                        }),
+                    user);
             }
 
             return dto;
@@ -173,12 +170,12 @@ namespace Emby.Server.Implementations.Dto
 
         private static IList<BaseItem> GetTaggedItems(IItemByName byName, User user, DtoOptions options)
         {
-            return byName.GetTaggedItems(new InternalItemsQuery(user)
-            {
-                Recursive = true,
-                DtoOptions = options
-
-            });
+            return byName.GetTaggedItems(
+                new InternalItemsQuery(user)
+                {
+                    Recursive = true,
+                    DtoOptions = options
+                });
         }
 
         private BaseItemDto GetBaseItemDtoInternal(BaseItem item, DtoOptions options, User user = null, BaseItem owner = null)
@@ -213,7 +210,7 @@ namespace Emby.Server.Implementations.Dto
 
             if (options.ContainsField(ItemFields.DisplayPreferencesId))
             {
-                dto.DisplayPreferencesId = item.DisplayPreferencesId.ToString("N");
+                dto.DisplayPreferencesId = item.DisplayPreferencesId.ToString("N", CultureInfo.InvariantCulture);
             }
 
             if (user != null)
@@ -221,15 +218,12 @@ namespace Emby.Server.Implementations.Dto
                 AttachUserSpecificInfo(dto, item, user, options);
             }
 
-            var hasMediaSources = item as IHasMediaSources;
-            if (hasMediaSources != null)
+            if (item is IHasMediaSources
+                && options.ContainsField(ItemFields.MediaSources))
             {
-                if (options.ContainsField(ItemFields.MediaSources))
-                {
-                    dto.MediaSources = _mediaSourceManager().GetStaticMediaSources(item, true, user).ToArray();
+                dto.MediaSources = _mediaSourceManager().GetStaticMediaSources(item, true, user).ToArray();
 
-                    NormalizeMediaSourceContainers(dto);
-                }
+                NormalizeMediaSourceContainers(dto);
             }
 
             if (options.ContainsField(ItemFields.Studios))
@@ -444,7 +438,7 @@ namespace Emby.Server.Implementations.Dto
         /// <exception cref="ArgumentNullException">item</exception>
         public string GetDtoId(BaseItem item)
         {
-            return item.Id.ToString("N");
+            return item.Id.ToString("N", CultureInfo.InvariantCulture);
         }
 
         private static void SetBookProperties(BaseItemDto dto, Book item)
@@ -608,7 +602,7 @@ namespace Emby.Server.Implementations.Dto
                 if (dictionary.TryGetValue(person.Name, out Person entity))
                 {
                     baseItemPerson.PrimaryImageTag = GetImageCacheTag(entity, ImageType.Primary);
-                    baseItemPerson.Id = entity.Id.ToString("N");
+                    baseItemPerson.Id = entity.Id.ToString("N", CultureInfo.InvariantCulture);
                     list.Add(baseItemPerson);
                 }
             }
@@ -768,14 +762,12 @@ namespace Emby.Server.Implementations.Dto
 
             dto.CriticRating = item.CriticRating;
 
-            var hasDisplayOrder = item as IHasDisplayOrder;
-            if (hasDisplayOrder != null)
+            if (item is IHasDisplayOrder hasDisplayOrder)
             {
                 dto.DisplayOrder = hasDisplayOrder.DisplayOrder;
             }
 
-            var hasCollectionType = item as IHasCollectionType;
-            if (hasCollectionType != null)
+            if (item is IHasCollectionType hasCollectionType)
             {
                 dto.CollectionType = hasCollectionType.CollectionType;
             }
@@ -885,15 +877,14 @@ namespace Emby.Server.Implementations.Dto
                 //}
             }
 
-            var hasArtist = item as IHasArtist;
-            if (hasArtist != null)
+            if (item is IHasArtist hasArtist)
             {
                 dto.Artists = hasArtist.Artists;
 
                 //var artistItems = _libraryManager.GetArtists(new InternalItemsQuery
                 //{
                 //    EnableTotalRecordCount = false,
-                //    ItemIds = new[] { item.Id.ToString("N") }
+                //    ItemIds = new[] { item.Id.ToString("N", CultureInfo.InvariantCulture) }
                 //});
 
                 //dto.ArtistItems = artistItems.Items
@@ -903,7 +894,7 @@ namespace Emby.Server.Implementations.Dto
                 //        return new NameIdPair
                 //        {
                 //            Name = artist.Name,
-                //            Id = artist.Id.ToString("N")
+                //            Id = artist.Id.ToString("N", CultureInfo.InvariantCulture)
                 //        };
                 //    })
                 //    .ToList();
@@ -946,7 +937,7 @@ namespace Emby.Server.Implementations.Dto
                 //var artistItems = _libraryManager.GetAlbumArtists(new InternalItemsQuery
                 //{
                 //    EnableTotalRecordCount = false,
-                //    ItemIds = new[] { item.Id.ToString("N") }
+                //    ItemIds = new[] { item.Id.ToString("N", CultureInfo.InvariantCulture) }
                 //});
 
                 //dto.AlbumArtists = artistItems.Items
@@ -956,7 +947,7 @@ namespace Emby.Server.Implementations.Dto
                 //        return new NameIdPair
                 //        {
                 //            Name = artist.Name,
-                //            Id = artist.Id.ToString("N")
+                //            Id = artist.Id.ToString("N", CultureInfo.InvariantCulture)
                 //        };
                 //    })
                 //    .ToList();
@@ -1044,7 +1035,7 @@ namespace Emby.Server.Implementations.Dto
                         }
                         else
                         {
-                            string id = item.Id.ToString("N");
+                            string id = item.Id.ToString("N", CultureInfo.InvariantCulture);
                             mediaStreams = dto.MediaSources.Where(i => string.Equals(i.Id, id, StringComparison.OrdinalIgnoreCase))
                                 .SelectMany(i => i.MediaStreams)
                                 .ToArray();
@@ -1073,17 +1064,24 @@ namespace Emby.Server.Implementations.Dto
 
             if (options.ContainsField(ItemFields.LocalTrailerCount))
             {
+                int trailerCount = 0;
                 if (allExtras == null)
                 {
                     allExtras = item.GetExtras().ToArray();
                 }
 
-                dto.LocalTrailerCount = allExtras.Count(i => i.ExtraType.HasValue && i.ExtraType.Value == ExtraType.Trailer);
+                trailerCount += allExtras.Count(i => i.ExtraType.HasValue && i.ExtraType.Value == ExtraType.Trailer);
+
+                if (item is IHasTrailers hasTrailers)
+                {
+                    trailerCount += hasTrailers.GetTrailerCount();
+                }
+
+                dto.LocalTrailerCount = trailerCount;
             }
 
             // Add EpisodeInfo
-            var episode = item as Episode;
-            if (episode != null)
+            if (item is Episode episode)
             {
                 dto.IndexNumberEnd = episode.IndexNumberEnd;
                 dto.SeriesName = episode.SeriesName;
@@ -1101,6 +1099,8 @@ namespace Emby.Server.Implementations.Dto
 
                 Series episodeSeries = null;
 
+                // this block will add the series poster for episodes without a poster
+                // TODO maybe remove the if statement entirely
                 //if (options.ContainsField(ItemFields.SeriesPrimaryImage))
                 {
                     episodeSeries = episodeSeries ?? episode.Series;
@@ -1121,8 +1121,7 @@ namespace Emby.Server.Implementations.Dto
             }
 
             // Add SeriesInfo
-            var series = item as Series;
-            if (series != null)
+            if (item is Series series)
             {
                 dto.AirDays = series.AirDays;
                 dto.AirTime = series.AirTime;
@@ -1130,8 +1129,7 @@ namespace Emby.Server.Implementations.Dto
             }
 
             // Add SeasonInfo
-            var season = item as Season;
-            if (season != null)
+            if (item is Season season)
             {
                 dto.SeriesName = season.SeriesName;
                 dto.SeriesId = season.SeriesId;
@@ -1147,6 +1145,8 @@ namespace Emby.Server.Implementations.Dto
                     }
                 }
 
+                // this block will add the series poster for seasons without a poster
+                // TODO maybe remove the if statement entirely
                 //if (options.ContainsField(ItemFields.SeriesPrimaryImage))
                 {
                     series = series ?? season.Series;
@@ -1157,14 +1157,12 @@ namespace Emby.Server.Implementations.Dto
                 }
             }
 
-            var musicVideo = item as MusicVideo;
-            if (musicVideo != null)
+            if (item is MusicVideo musicVideo)
             {
                 SetMusicVideoProperties(dto, musicVideo);
             }
 
-            var book = item as Book;
-            if (book != null)
+            if (item is Book book)
             {
                 SetBookProperties(dto, book);
             }
@@ -1204,8 +1202,7 @@ namespace Emby.Server.Implementations.Dto
                 }
             }
 
-            var photo = item as Photo;
-            if (photo != null)
+            if (item is Photo photo)
             {
                 SetPhotoProperties(dto, photo);
             }
@@ -1224,8 +1221,7 @@ namespace Emby.Server.Implementations.Dto
 
         private BaseItem GetImageDisplayParent(BaseItem currentItem, BaseItem originalItem)
         {
-            var musicAlbum = currentItem as MusicAlbum;
-            if (musicAlbum != null)
+            if (currentItem is MusicAlbum musicAlbum)
             {
                 var artist = musicAlbum.GetMusicArtist(new DtoOptions(false));
                 if (artist != null)
@@ -1363,7 +1359,7 @@ namespace Emby.Server.Implementations.Dto
                 return null;
             }
 
-            var supportedEnhancers = _imageProcessor.GetSupportedEnhancers(item, ImageType.Primary);
+            var supportedEnhancers = _imageProcessor.GetSupportedEnhancers(item, ImageType.Primary).ToArray();
 
             ImageDimensions size;
 
diff --git a/Emby.Server.Implementations/Emby.Server.Implementations.csproj b/Emby.Server.Implementations/Emby.Server.Implementations.csproj
index abbaef26b..ea4444268 100644
--- a/Emby.Server.Implementations/Emby.Server.Implementations.csproj
+++ b/Emby.Server.Implementations/Emby.Server.Implementations.csproj
@@ -21,7 +21,7 @@
 
   <ItemGroup>
     <PackageReference Include="IPNetwork2" Version="2.4.0.126" />
-    <PackageReference Include="Microsoft.AspNetCore.Hosting" Version="2.2.0" />
+    <PackageReference Include="Microsoft.AspNetCore.Hosting" Version="2.2.7" />
     <PackageReference Include="Microsoft.AspNetCore.Hosting.Abstractions" Version="2.2.0" />
     <PackageReference Include="Microsoft.AspNetCore.Hosting.Server.Abstractions" Version="2.2.0" />
     <PackageReference Include="Microsoft.AspNetCore.Http" Version="2.2.2" />
@@ -32,9 +32,9 @@
     <PackageReference Include="Microsoft.Extensions.Logging" Version="2.2.0" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="2.2.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="2.2.0" />
-    <PackageReference Include="ServiceStack.Text.Core" Version="5.5.0" />
-    <PackageReference Include="sharpcompress" Version="0.23.0" />
-    <PackageReference Include="SQLitePCL.pretty.netstandard" Version="1.0.0" />
+    <PackageReference Include="ServiceStack.Text.Core" Version="5.6.0" />
+    <PackageReference Include="sharpcompress" Version="0.24.0" />
+    <PackageReference Include="SQLitePCL.pretty.netstandard" Version="2.0.1" />
   </ItemGroup>
 
   <ItemGroup>
@@ -42,17 +42,19 @@
   </ItemGroup>
 
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFramework>netstandard2.1</TargetFramework>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
+    <GenerateDocumentationFile>true</GenerateDocumentationFile>
   </PropertyGroup>
 
-  <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
-    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+  <PropertyGroup>
+    <!-- We need at least C# 7.3 to compare tuples-->
+    <LangVersion>latest</LangVersion>
   </PropertyGroup>
 
   <!-- Code analysers-->
   <ItemGroup Condition=" '$(Configuration)' == 'Debug' ">
-    <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="2.9.3" />
+    <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="2.9.4" />
     <PackageReference Include="StyleCop.Analyzers" Version="1.1.118" />
     <PackageReference Include="SerilogAnalyzer" Version="0.15.0" />
   </ItemGroup>
diff --git a/Emby.Server.Implementations/EntryPoints/LibraryChangedNotifier.cs b/Emby.Server.Implementations/EntryPoints/LibraryChangedNotifier.cs
index 8369f4f59..9c0db2cf5 100644
--- a/Emby.Server.Implementations/EntryPoints/LibraryChangedNotifier.cs
+++ b/Emby.Server.Implementations/EntryPoints/LibraryChangedNotifier.cs
@@ -100,7 +100,7 @@ namespace Emby.Server.Implementations.EntryPoints
             _lastProgressMessageTimes[item.Id] = DateTime.UtcNow;
 
             var dict = new Dictionary<string, string>();
-            dict["ItemId"] = item.Id.ToString("N");
+            dict["ItemId"] = item.Id.ToString("N", CultureInfo.InvariantCulture);
             dict["Progress"] = progress.ToString(CultureInfo.InvariantCulture);
 
             try
@@ -116,7 +116,7 @@ namespace Emby.Server.Implementations.EntryPoints
             foreach (var collectionFolder in collectionFolders)
             {
                 var collectionFolderDict = new Dictionary<string, string>();
-                collectionFolderDict["ItemId"] = collectionFolder.Id.ToString("N");
+                collectionFolderDict["ItemId"] = collectionFolder.Id.ToString("N", CultureInfo.InvariantCulture);
                 collectionFolderDict["Progress"] = (collectionFolder.GetRefreshProgress() ?? 0).ToString(CultureInfo.InvariantCulture);
 
                 try
@@ -378,15 +378,15 @@ namespace Emby.Server.Implementations.EntryPoints
 
             return new LibraryUpdateInfo
             {
-                ItemsAdded = itemsAdded.SelectMany(i => TranslatePhysicalItemToUserLibrary(i, user)).Select(i => i.Id.ToString("N")).Distinct().ToArray(),
+                ItemsAdded = itemsAdded.SelectMany(i => TranslatePhysicalItemToUserLibrary(i, user)).Select(i => i.Id.ToString("N", CultureInfo.InvariantCulture)).Distinct().ToArray(),
 
-                ItemsUpdated = itemsUpdated.SelectMany(i => TranslatePhysicalItemToUserLibrary(i, user)).Select(i => i.Id.ToString("N")).Distinct().ToArray(),
+                ItemsUpdated = itemsUpdated.SelectMany(i => TranslatePhysicalItemToUserLibrary(i, user)).Select(i => i.Id.ToString("N", CultureInfo.InvariantCulture)).Distinct().ToArray(),
 
-                ItemsRemoved = itemsRemoved.SelectMany(i => TranslatePhysicalItemToUserLibrary(i, user, true)).Select(i => i.Id.ToString("N")).Distinct().ToArray(),
+                ItemsRemoved = itemsRemoved.SelectMany(i => TranslatePhysicalItemToUserLibrary(i, user, true)).Select(i => i.Id.ToString("N", CultureInfo.InvariantCulture)).Distinct().ToArray(),
 
-                FoldersAddedTo = foldersAddedTo.SelectMany(i => TranslatePhysicalItemToUserLibrary(i, user)).Select(i => i.Id.ToString("N")).Distinct().ToArray(),
+                FoldersAddedTo = foldersAddedTo.SelectMany(i => TranslatePhysicalItemToUserLibrary(i, user)).Select(i => i.Id.ToString("N", CultureInfo.InvariantCulture)).Distinct().ToArray(),
 
-                FoldersRemovedFrom = foldersRemovedFrom.SelectMany(i => TranslatePhysicalItemToUserLibrary(i, user)).Select(i => i.Id.ToString("N")).Distinct().ToArray(),
+                FoldersRemovedFrom = foldersRemovedFrom.SelectMany(i => TranslatePhysicalItemToUserLibrary(i, user)).Select(i => i.Id.ToString("N", CultureInfo.InvariantCulture)).Distinct().ToArray(),
 
                 CollectionFolders = GetTopParentIds(newAndRemoved, allUserRootChildren).ToArray()
             };
@@ -422,7 +422,7 @@ namespace Emby.Server.Implementations.EntryPoints
                 var collectionFolders = _libraryManager.GetCollectionFolders(item, allUserRootChildren);
                 foreach (var folder in allUserRootChildren)
                 {
-                    list.Add(folder.Id.ToString("N"));
+                    list.Add(folder.Id.ToString("N", CultureInfo.InvariantCulture));
                 }
             }
 
diff --git a/Emby.Server.Implementations/EntryPoints/RefreshUsersMetadata.cs b/Emby.Server.Implementations/EntryPoints/RefreshUsersMetadata.cs
index b7565adec..b2328121e 100644
--- a/Emby.Server.Implementations/EntryPoints/RefreshUsersMetadata.cs
+++ b/Emby.Server.Implementations/EntryPoints/RefreshUsersMetadata.cs
@@ -50,9 +50,7 @@ namespace Emby.Server.Implementations.EntryPoints
 
         public async Task Execute(CancellationToken cancellationToken, IProgress<double> progress)
         {
-            var users = _userManager.Users.ToList();
-
-            foreach (var user in users)
+            foreach (var user in _userManager.Users)
             {
                 cancellationToken.ThrowIfCancellationRequested();
 
diff --git a/Emby.Server.Implementations/EntryPoints/ServerEventNotifier.cs b/Emby.Server.Implementations/EntryPoints/ServerEventNotifier.cs
index 091dd6a45..141e72958 100644
--- a/Emby.Server.Implementations/EntryPoints/ServerEventNotifier.cs
+++ b/Emby.Server.Implementations/EntryPoints/ServerEventNotifier.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Threading;
 using System.Threading.Tasks;
 using MediaBrowser.Common.Plugins;
@@ -134,7 +135,7 @@ namespace Emby.Server.Implementations.EntryPoints
         /// <param name="e">The e.</param>
         void userManager_UserDeleted(object sender, GenericEventArgs<User> e)
         {
-            SendMessageToUserSession(e.Argument, "UserDeleted", e.Argument.Id.ToString("N"));
+            SendMessageToUserSession(e.Argument, "UserDeleted", e.Argument.Id.ToString("N", CultureInfo.InvariantCulture));
         }
 
         void _userManager_UserPolicyUpdated(object sender, GenericEventArgs<User> e)
diff --git a/Emby.Server.Implementations/EntryPoints/UserDataChangeNotifier.cs b/Emby.Server.Implementations/EntryPoints/UserDataChangeNotifier.cs
index a5badacee..bae3422ff 100644
--- a/Emby.Server.Implementations/EntryPoints/UserDataChangeNotifier.cs
+++ b/Emby.Server.Implementations/EntryPoints/UserDataChangeNotifier.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
@@ -8,7 +9,6 @@ using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Plugins;
 using MediaBrowser.Controller.Session;
 using MediaBrowser.Model.Entities;
-using MediaBrowser.Model.Extensions;
 using MediaBrowser.Model.Session;
 using Microsoft.Extensions.Logging;
 
@@ -125,12 +125,12 @@ namespace Emby.Server.Implementations.EntryPoints
                 .Select(i =>
                 {
                     var dto = _userDataManager.GetUserDataDto(i, user);
-                    dto.ItemId = i.Id.ToString("N");
+                    dto.ItemId = i.Id.ToString("N", CultureInfo.InvariantCulture);
                     return dto;
                 })
                 .ToArray();
 
-            var userIdString = userId.ToString("N");
+            var userIdString = userId.ToString("N", CultureInfo.InvariantCulture);
 
             return new UserDataChangeInfo
             {
diff --git a/Emby.Server.Implementations/HttpClientManager/HttpClientManager.cs b/Emby.Server.Implementations/HttpClientManager/HttpClientManager.cs
index 331b5e29d..0e6083773 100644
--- a/Emby.Server.Implementations/HttpClientManager/HttpClientManager.cs
+++ b/Emby.Server.Implementations/HttpClientManager/HttpClientManager.cs
@@ -1,12 +1,10 @@
 using System;
 using System.Collections.Concurrent;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Net;
 using System.Net.Http;
-using System.Net.Http.Headers;
-using System.Text;
-using System.Threading;
 using System.Threading.Tasks;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Common.Extensions;
@@ -19,7 +17,7 @@ using Microsoft.Net.Http.Headers;
 namespace Emby.Server.Implementations.HttpClientManager
 {
     /// <summary>
-    /// Class HttpClientManager
+    /// Class HttpClientManager.
     /// </summary>
     public class HttpClientManager : IHttpClient
     {
@@ -44,19 +42,9 @@ namespace Emby.Server.Implementations.HttpClientManager
             IFileSystem fileSystem,
             Func<string> defaultUserAgentFn)
         {
-            if (appPaths == null)
-            {
-                throw new ArgumentNullException(nameof(appPaths));
-            }
-
-            if (logger == null)
-            {
-                throw new ArgumentNullException(nameof(logger));
-            }
-
-            _logger = logger;
+            _logger = logger ?? throw new ArgumentNullException(nameof(logger));
             _fileSystem = fileSystem;
-            _appPaths = appPaths;
+            _appPaths = appPaths ?? throw new ArgumentNullException(nameof(appPaths));
             _defaultUserAgentFn = defaultUserAgentFn;
         }
 
@@ -95,7 +83,16 @@ namespace Emby.Server.Implementations.HttpClientManager
 
             var request = new HttpRequestMessage(method, url);
 
-            AddRequestHeaders(request, options);
+            foreach (var header in options.RequestHeaders)
+            {
+                request.Headers.TryAddWithoutValidation(header.Key, header.Value);
+            }
+
+            if (options.EnableDefaultUserAgent
+                && !request.Headers.TryGetValues(HeaderNames.UserAgent, out _))
+            {
+                request.Headers.Add(HeaderNames.UserAgent, _defaultUserAgentFn());
+            }
 
             switch (options.DecompressionMethod)
             {
@@ -117,7 +114,7 @@ namespace Emby.Server.Implementations.HttpClientManager
                 request.Headers.Add(HeaderNames.Connection, "Keep-Alive");
             }
 
-            //request.Headers.Add(HeaderNames.CacheControl, "no-cache");
+            // request.Headers.Add(HeaderNames.CacheControl, "no-cache");
 
             /*
             if (!string.IsNullOrWhiteSpace(userInfo))
@@ -133,26 +130,6 @@ namespace Emby.Server.Implementations.HttpClientManager
             return request;
         }
 
-        private void AddRequestHeaders(HttpRequestMessage request, HttpRequestOptions options)
-        {
-            var hasUserAgent = false;
-
-            foreach (var header in options.RequestHeaders)
-            {
-                if (string.Equals(header.Key, HeaderNames.UserAgent, StringComparison.OrdinalIgnoreCase))
-                {
-                    hasUserAgent = true;
-                }
-
-                request.Headers.Add(header.Key, header.Value);
-            }
-
-            if (!hasUserAgent && options.EnableDefaultUserAgent)
-            {
-                request.Headers.Add(HeaderNames.UserAgent, _defaultUserAgentFn());
-            }
-        }
-
         /// <summary>
         /// Gets the response internal.
         /// </summary>
@@ -195,7 +172,7 @@ namespace Emby.Server.Implementations.HttpClientManager
             }
 
             var url = options.Url;
-            var urlHash = url.ToLowerInvariant().GetMD5().ToString("N");
+            var urlHash = url.ToUpperInvariant().GetMD5().ToString("N", CultureInfo.InvariantCulture);
 
             var responseCachePath = Path.Combine(_appPaths.CachePath, "httpclient", urlHash);
 
@@ -238,7 +215,13 @@ namespace Emby.Server.Implementations.HttpClientManager
         {
             Directory.CreateDirectory(Path.GetDirectoryName(responseCachePath));
 
-            using (var fileStream = _fileSystem.GetFileStream(responseCachePath, FileOpenMode.Create, FileAccessMode.Write, FileShareMode.None, true))
+            using (var fileStream = new FileStream(
+                responseCachePath,
+                FileMode.Create,
+                FileAccess.Write,
+                FileShare.None,
+                StreamDefaults.DefaultFileStreamBufferSize,
+                true))
             {
                 await response.Content.CopyToAsync(fileStream).ConfigureAwait(false);
 
@@ -277,16 +260,11 @@ namespace Emby.Server.Implementations.HttpClientManager
                 }
             }
 
-            if (options.LogRequest)
-            {
-                _logger.LogDebug("HttpClientManager {0}: {1}", httpMethod.ToString(), options.Url);
-            }
-
             options.CancellationToken.ThrowIfCancellationRequested();
 
             var response = await client.SendAsync(
                 httpWebRequest,
-                options.BufferContent ? HttpCompletionOption.ResponseContentRead : HttpCompletionOption.ResponseHeadersRead,
+                options.BufferContent || options.CacheMode == CacheMode.Unconditional ? HttpCompletionOption.ResponseContentRead : HttpCompletionOption.ResponseHeadersRead,
                 options.CancellationToken).ConfigureAwait(false);
 
             await EnsureSuccessStatusCode(response, options).ConfigureAwait(false);
@@ -307,138 +285,6 @@ namespace Emby.Server.Implementations.HttpClientManager
         public Task<HttpResponseInfo> Post(HttpRequestOptions options)
             => SendAsync(options, HttpMethod.Post);
 
-        /// <summary>
-        /// Downloads the contents of a given url into a temporary location
-        /// </summary>
-        /// <param name="options">The options.</param>
-        /// <returns>Task{System.String}.</returns>
-        public async Task<string> GetTempFile(HttpRequestOptions options)
-        {
-            var response = await GetTempFileResponse(options).ConfigureAwait(false);
-            return response.TempFilePath;
-        }
-
-        public async Task<HttpResponseInfo> GetTempFileResponse(HttpRequestOptions options)
-        {
-            ValidateParams(options);
-
-            Directory.CreateDirectory(_appPaths.TempDirectory);
-
-            var tempFile = Path.Combine(_appPaths.TempDirectory, Guid.NewGuid() + ".tmp");
-
-            if (options.Progress == null)
-            {
-                throw new ArgumentException("Options did not have a Progress value.", nameof(options));
-            }
-
-            options.CancellationToken.ThrowIfCancellationRequested();
-
-            var httpWebRequest = GetRequestMessage(options, HttpMethod.Get);
-
-            options.Progress.Report(0);
-
-            if (options.LogRequest)
-            {
-                _logger.LogDebug("HttpClientManager.GetTempFileResponse url: {0}", options.Url);
-            }
-
-            var client = GetHttpClient(options.Url);
-
-            try
-            {
-                options.CancellationToken.ThrowIfCancellationRequested();
-
-                using (var response = (await client.SendAsync(httpWebRequest, options.CancellationToken).ConfigureAwait(false)))
-                {
-                    await EnsureSuccessStatusCode(response, options).ConfigureAwait(false);
-
-                    options.CancellationToken.ThrowIfCancellationRequested();
-
-                    using (var stream = await response.Content.ReadAsStreamAsync().ConfigureAwait(false))
-                    using (var fs = _fileSystem.GetFileStream(tempFile, FileOpenMode.Create, FileAccessMode.Write, FileShareMode.Read, true))
-                    {
-                        await stream.CopyToAsync(fs, StreamDefaults.DefaultCopyToBufferSize, options.CancellationToken).ConfigureAwait(false);
-                    }
-
-                    options.Progress.Report(100);
-
-                    var responseInfo = new HttpResponseInfo(response.Headers, response.Content.Headers)
-                    {
-                        TempFilePath = tempFile,
-                        StatusCode = response.StatusCode,
-                        ContentType = response.Content.Headers.ContentType?.MediaType,
-                        ContentLength = response.Content.Headers.ContentLength
-                    };
-
-                    return responseInfo;
-                }
-            }
-            catch (Exception ex)
-            {
-                if (File.Exists(tempFile))
-                {
-                    File.Delete(tempFile);
-                }
-
-                throw GetException(ex, options);
-            }
-        }
-
-        private Exception GetException(Exception ex, HttpRequestOptions options)
-        {
-            if (ex is HttpException)
-            {
-                return ex;
-            }
-
-            var webException = ex as WebException
-                               ?? ex.InnerException as WebException;
-
-            if (webException != null)
-            {
-                if (options.LogErrors)
-                {
-                    _logger.LogError(webException, "Error {Status} getting response from {Url}", webException.Status, options.Url);
-                }
-
-                var exception = new HttpException(webException.Message, webException);
-
-                using (var response = webException.Response as HttpWebResponse)
-                {
-                    if (response != null)
-                    {
-                        exception.StatusCode = response.StatusCode;
-                    }
-                }
-
-                if (!exception.StatusCode.HasValue)
-                {
-                    if (webException.Status == WebExceptionStatus.NameResolutionFailure ||
-                        webException.Status == WebExceptionStatus.ConnectFailure)
-                    {
-                        exception.IsTimedOut = true;
-                    }
-                }
-
-                return exception;
-            }
-
-            var operationCanceledException = ex as OperationCanceledException
-                                             ?? ex.InnerException as OperationCanceledException;
-
-            if (operationCanceledException != null)
-            {
-                return GetCancellationException(options, options.CancellationToken, operationCanceledException);
-            }
-
-            if (options.LogErrors)
-            {
-                _logger.LogError(ex, "Error getting response from {Url}", options.Url);
-            }
-
-            return ex;
-        }
-
         private void ValidateParams(HttpRequestOptions options)
         {
             if (string.IsNullOrEmpty(options.Url))
@@ -470,35 +316,6 @@ namespace Emby.Server.Implementations.HttpClientManager
             return url;
         }
 
-        /// <summary>
-        /// Throws the cancellation exception.
-        /// </summary>
-        /// <param name="options">The options.</param>
-        /// <param name="cancellationToken">The cancellation token.</param>
-        /// <param name="exception">The exception.</param>
-        /// <returns>Exception.</returns>
-        private Exception GetCancellationException(HttpRequestOptions options, CancellationToken cancellationToken, OperationCanceledException exception)
-        {
-            // If the HttpClient's timeout is reached, it will cancel the Task internally
-            if (!cancellationToken.IsCancellationRequested)
-            {
-                var msg = string.Format("Connection to {0} timed out", options.Url);
-
-                if (options.LogErrors)
-                {
-                    _logger.LogError(msg);
-                }
-
-                // Throw an HttpException so that the caller doesn't think it was cancelled by user code
-                return new HttpException(msg, exception)
-                {
-                    IsTimedOut = true
-                };
-            }
-
-            return exception;
-        }
-
         private async Task EnsureSuccessStatusCode(HttpResponseMessage response, HttpRequestOptions options)
         {
             if (response.IsSuccessStatusCode)
@@ -506,8 +323,11 @@ namespace Emby.Server.Implementations.HttpClientManager
                 return;
             }
 
-            var msg = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
-            _logger.LogError("HTTP request failed with message: {Message}", msg);
+            if (options.LogErrorResponseBody)
+            {
+                var msg = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
+                _logger.LogError("HTTP request failed with message: {Message}", msg);
+            }
 
             throw new HttpException(response.ReasonPhrase)
             {
diff --git a/Emby.Server.Implementations/HttpServer/FileWriter.cs b/Emby.Server.Implementations/HttpServer/FileWriter.cs
index ec41cc0a9..2c7e81361 100644
--- a/Emby.Server.Implementations/HttpServer/FileWriter.cs
+++ b/Emby.Server.Implementations/HttpServer/FileWriter.cs
@@ -1,50 +1,43 @@
 using System;
 using System.Collections.Generic;
 using System.Globalization;
+using System.IO;
 using System.Linq;
 using System.Net;
+using System.Runtime.InteropServices;
 using System.Threading;
 using System.Threading.Tasks;
-using Emby.Server.Implementations.IO;
 using MediaBrowser.Model.IO;
 using MediaBrowser.Model.Services;
 using Microsoft.Extensions.Logging;
+using Microsoft.AspNetCore.Http;
 using Microsoft.Net.Http.Headers;
 
 namespace Emby.Server.Implementations.HttpServer
 {
     public class FileWriter : IHttpResult
     {
-        private readonly IStreamHelper _streamHelper;
-        private ILogger Logger { get; set; }
-        private readonly IFileSystem _fileSystem;
-
-        private string RangeHeader { get; set; }
-        private bool IsHeadRequest { get; set; }
-
-        private long RangeStart { get; set; }
-        private long RangeEnd { get; set; }
-        private long RangeLength { get; set; }
-        public long TotalContentLength { get; set; }
+        private static readonly CultureInfo UsCulture = CultureInfo.ReadOnly(new CultureInfo("en-US"));
 
-        public Action OnComplete { get; set; }
-        public Action OnError { get; set; }
-        private static readonly CultureInfo UsCulture = new CultureInfo("en-US");
-        public List<Cookie> Cookies { get; private set; }
+        private static readonly string[] _skipLogExtensions = {
+            ".js",
+            ".html",
+            ".css"
+        };
 
-        public FileShareMode FileShare { get; set; }
+        private readonly IStreamHelper _streamHelper;
+        private readonly ILogger _logger;
+        private readonly IFileSystem _fileSystem;
 
         /// <summary>
         /// The _options
         /// </summary>
         private readonly IDictionary<string, string> _options = new Dictionary<string, string>();
+
         /// <summary>
-        /// Gets the options.
+        /// The _requested ranges
         /// </summary>
-        /// <value>The options.</value>
-        public IDictionary<string, string> Headers => _options;
-
-        public string Path { get; set; }
+        private List<KeyValuePair<long, long?>> _requestedRanges;
 
         public FileWriter(string path, string contentType, string rangeHeader, ILogger logger, IFileSystem fileSystem, IStreamHelper streamHelper)
         {
@@ -57,7 +50,7 @@ namespace Emby.Server.Implementations.HttpServer
             _fileSystem = fileSystem;
 
             Path = path;
-            Logger = logger;
+            _logger = logger;
             RangeHeader = rangeHeader;
 
             Headers[HeaderNames.ContentType] = contentType;
@@ -80,39 +73,34 @@ namespace Emby.Server.Implementations.HttpServer
             Cookies = new List<Cookie>();
         }
 
-        /// <summary>
-        /// Sets the range values.
-        /// </summary>
-        private void SetRangeValues()
-        {
-            var requestedRange = RequestedRanges[0];
+        private string RangeHeader { get; set; }
 
-            // If the requested range is "0-", we can optimize by just doing a stream copy
-            if (!requestedRange.Value.HasValue)
-            {
-                RangeEnd = TotalContentLength - 1;
-            }
-            else
-            {
-                RangeEnd = requestedRange.Value.Value;
-            }
+        private bool IsHeadRequest { get; set; }
 
-            RangeStart = requestedRange.Key;
-            RangeLength = 1 + RangeEnd - RangeStart;
+        private long RangeStart { get; set; }
 
-            // Content-Length is the length of what we're serving, not the original content
-            var lengthString = RangeLength.ToString(CultureInfo.InvariantCulture);
-            Headers[HeaderNames.ContentLength] = lengthString;
-            var rangeString = $"bytes {RangeStart}-{RangeEnd}/{TotalContentLength}";
-            Headers[HeaderNames.ContentRange] = rangeString;
+        private long RangeEnd { get; set; }
 
-            Logger.LogDebug("Setting range response values for {0}. RangeRequest: {1} Content-Length: {2}, Content-Range: {3}", Path, RangeHeader, lengthString, rangeString);
-        }
+        private long RangeLength { get; set; }
+
+        public long TotalContentLength { get; set; }
+
+        public Action OnComplete { get; set; }
+
+        public Action OnError { get; set; }
+
+        public List<Cookie> Cookies { get; private set; }
+
+        public FileShareMode FileShare { get; set; }
 
         /// <summary>
-        /// The _requested ranges
+        /// Gets the options.
         /// </summary>
-        private List<KeyValuePair<long, long?>> _requestedRanges;
+        /// <value>The options.</value>
+        public IDictionary<string, string> Headers => _options;
+
+        public string Path { get; set; }
+
         /// <summary>
         /// Gets the requested ranges.
         /// </summary>
@@ -139,6 +127,7 @@ namespace Emby.Server.Implementations.HttpServer
                         {
                             start = long.Parse(vals[0], UsCulture);
                         }
+
                         if (!string.IsNullOrEmpty(vals[1]))
                         {
                             end = long.Parse(vals[1], UsCulture);
@@ -152,13 +141,50 @@ namespace Emby.Server.Implementations.HttpServer
             }
         }
 
-        private static readonly string[] SkipLogExtensions = {
-            ".js",
-            ".html",
-            ".css"
-        };
+        public string ContentType { get; set; }
+
+        public IRequest RequestContext { get; set; }
+
+        public object Response { get; set; }
+
+        public int Status { get; set; }
+
+        public HttpStatusCode StatusCode
+        {
+            get => (HttpStatusCode)Status;
+            set => Status = (int)value;
+        }
+
+        /// <summary>
+        /// Sets the range values.
+        /// </summary>
+        private void SetRangeValues()
+        {
+            var requestedRange = RequestedRanges[0];
+
+            // If the requested range is "0-", we can optimize by just doing a stream copy
+            if (!requestedRange.Value.HasValue)
+            {
+                RangeEnd = TotalContentLength - 1;
+            }
+            else
+            {
+                RangeEnd = requestedRange.Value.Value;
+            }
+
+            RangeStart = requestedRange.Key;
+            RangeLength = 1 + RangeEnd - RangeStart;
+
+            // Content-Length is the length of what we're serving, not the original content
+            var lengthString = RangeLength.ToString(CultureInfo.InvariantCulture);
+            Headers[HeaderNames.ContentLength] = lengthString;
+            var rangeString = $"bytes {RangeStart}-{RangeEnd}/{TotalContentLength}";
+            Headers[HeaderNames.ContentRange] = rangeString;
 
-        public async Task WriteToAsync(IResponse response, CancellationToken cancellationToken)
+            _logger.LogDebug("Setting range response values for {0}. RangeRequest: {1} Content-Length: {2}, Content-Range: {3}", Path, RangeHeader, lengthString, rangeString);
+        }
+
+        public async Task WriteToAsync(HttpResponse response, CancellationToken cancellationToken)
         {
             try
             {
@@ -176,16 +202,16 @@ namespace Emby.Server.Implementations.HttpServer
                 {
                     var extension = System.IO.Path.GetExtension(path);
 
-                    if (extension == null || !SkipLogExtensions.Contains(extension, StringComparer.OrdinalIgnoreCase))
+                    if (extension == null || !_skipLogExtensions.Contains(extension, StringComparer.OrdinalIgnoreCase))
                     {
-                        Logger.LogDebug("Transmit file {0}", path);
+                        _logger.LogDebug("Transmit file {0}", path);
                     }
 
                     offset = 0;
                     count = 0;
                 }
 
-                await response.TransmitFile(path, offset, count, FileShare, _fileSystem, _streamHelper, cancellationToken).ConfigureAwait(false);
+                await TransmitFile(response.Body, path, offset, count, FileShare, cancellationToken).ConfigureAwait(false);
             }
             finally
             {
@@ -193,18 +219,32 @@ namespace Emby.Server.Implementations.HttpServer
             }
         }
 
-        public string ContentType { get; set; }
-
-        public IRequest RequestContext { get; set; }
+        public async Task TransmitFile(Stream stream, string path, long offset, long count, FileShareMode fileShareMode, CancellationToken cancellationToken)
+        {
+            var fileOpenOptions = FileOpenOptions.SequentialScan;
 
-        public object Response { get; set; }
+            // use non-async filestream along with read due to https://github.com/dotnet/corefx/issues/6039
+            if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+            {
+                fileOpenOptions |= FileOpenOptions.Asynchronous;
+            }
 
-        public int Status { get; set; }
+            using (var fs = _fileSystem.GetFileStream(path, FileOpenMode.Open, FileAccessMode.Read, fileShareMode, fileOpenOptions))
+            {
+                if (offset > 0)
+                {
+                    fs.Position = offset;
+                }
 
-        public HttpStatusCode StatusCode
-        {
-            get => (HttpStatusCode)Status;
-            set => Status = (int)value;
+                if (count > 0)
+                {
+                    await _streamHelper.CopyToAsync(fs, stream, count, cancellationToken).ConfigureAwait(false);
+                }
+                else
+                {
+                    await fs.CopyToAsync(stream, StreamDefaults.DefaultCopyToBufferSize, cancellationToken).ConfigureAwait(false);
+                }
+            }
         }
     }
 }
diff --git a/Emby.Server.Implementations/HttpServer/HttpListenerHost.cs b/Emby.Server.Implementations/HttpServer/HttpListenerHost.cs
index d8938964f..e4f98acb9 100644
--- a/Emby.Server.Implementations/HttpServer/HttpListenerHost.cs
+++ b/Emby.Server.Implementations/HttpServer/HttpListenerHost.cs
@@ -5,9 +5,9 @@ using System.IO;
 using System.Linq;
 using System.Net.Sockets;
 using System.Reflection;
-using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
+using Emby.Server.Implementations.Configuration;
 using Emby.Server.Implementations.Net;
 using Emby.Server.Implementations.Services;
 using MediaBrowser.Common.Extensions;
@@ -30,11 +30,7 @@ namespace Emby.Server.Implementations.HttpServer
 {
     public class HttpListenerHost : IHttpServer, IDisposable
     {
-        private string DefaultRedirectPath { get; set; }
-        public string[] UrlPrefixes { get; private set; }
-
-        public event EventHandler<GenericEventArgs<IWebSocketConnection>> WebSocketConnected;
-
+        private readonly ILogger _logger;
         private readonly IServerConfigurationManager _config;
         private readonly INetworkManager _networkManager;
         private readonly IServerApplicationHost _appHost;
@@ -42,18 +38,16 @@ namespace Emby.Server.Implementations.HttpServer
         private readonly IXmlSerializer _xmlSerializer;
         private readonly IHttpListener _socketListener;
         private readonly Func<Type, Func<string, object>> _funcParseFn;
-
-        public Action<IRequest, IResponse, object>[] ResponseFilters { get; set; }
-
+        private readonly string _defaultRedirectPath;
+        private readonly string _baseUrlPrefix;
         private readonly Dictionary<Type, Type> ServiceOperationsMap = new Dictionary<Type, Type>();
-        public static HttpListenerHost Instance { get; protected set; }
-
         private IWebSocketListener[] _webSocketListeners = Array.Empty<IWebSocketListener>();
         private readonly List<IWebSocketConnection> _webSocketConnections = new List<IWebSocketConnection>();
+        private bool _disposed = false;
 
         public HttpListenerHost(
             IServerApplicationHost applicationHost,
-            ILoggerFactory loggerFactory,
+            ILogger<HttpListenerHost> logger,
             IServerConfigurationManager config,
             IConfiguration configuration,
             INetworkManager networkManager,
@@ -62,9 +56,10 @@ namespace Emby.Server.Implementations.HttpServer
             IHttpListener socketListener)
         {
             _appHost = applicationHost;
-            Logger = loggerFactory.CreateLogger("HttpServer");
+            _logger = logger;
             _config = config;
-            DefaultRedirectPath = configuration["HttpListenerHost:DefaultRedirectPath"];
+            _defaultRedirectPath = configuration["HttpListenerHost:DefaultRedirectPath"];
+            _baseUrlPrefix = _config.Configuration.BaseUrl;
             _networkManager = networkManager;
             _jsonSerializer = jsonSerializer;
             _xmlSerializer = xmlSerializer;
@@ -74,26 +69,48 @@ namespace Emby.Server.Implementations.HttpServer
             _funcParseFn = t => s => JsvReader.GetParseFn(t)(s);
 
             Instance = this;
-            ResponseFilters = Array.Empty<Action<IRequest, IResponse, object>>();
+            ResponseFilters = Array.Empty<Action<IRequest, HttpResponse, object>>();
         }
 
+        public Action<IRequest, HttpResponse, object>[] ResponseFilters { get; set; }
+
+        public static HttpListenerHost Instance { get; protected set; }
+
+        public string[] UrlPrefixes { get; private set; }
+
         public string GlobalResponse { get; set; }
 
-        protected ILogger Logger { get; }
+        public ServiceController ServiceController { get; private set; }
+
+        public event EventHandler<GenericEventArgs<IWebSocketConnection>> WebSocketConnected;
 
         public object CreateInstance(Type type)
         {
             return _appHost.CreateInstance(type);
         }
 
+        private static string NormalizeUrlPath(string path)
+        {
+            if (path.StartsWith("/"))
+            {
+                // If the path begins with a leading slash, just return it as-is
+                return path;
+            }
+            else
+            {
+                // If the path does not begin with a leading slash, append one for consistency
+                return "/" + path;
+            }
+        }
+
         /// <summary>
         /// Applies the request filters. Returns whether or not the request has been handled
         /// and no more processing should be done.
         /// </summary>
         /// <returns></returns>
-        public void ApplyRequestFilters(IRequest req, IResponse res, object requestDto)
+        public void ApplyRequestFilters(IRequest req, HttpResponse res, object requestDto)
         {
-            //Exec all RequestFilter attributes with Priority < 0
+            // Exec all RequestFilter attributes with Priority < 0
             var attributes = GetRequestFilterAttributes(requestDto.GetType());
 
             int count = attributes.Count;
@@ -104,7 +121,7 @@ namespace Emby.Server.Implementations.HttpServer
                 attribute.RequestFilter(req, res, requestDto);
             }
 
-            //Exec remaining RequestFilter attributes with Priority >= 0
+            // Exec remaining RequestFilter attributes with Priority >= 0
             for (; i < count && attributes[i].Priority >= 0; i++)
             {
                 var attribute = attributes[i];
@@ -145,7 +162,7 @@ namespace Emby.Server.Implementations.HttpServer
                 return;
             }
 
-            var connection = new WebSocketConnection(e.WebSocket, e.Endpoint, _jsonSerializer, Logger)
+            var connection = new WebSocketConnection(e.WebSocket, e.Endpoint, _jsonSerializer, _logger)
             {
                 OnReceive = ProcessWebSocketMessageReceived,
                 Url = e.Url,
@@ -207,7 +224,7 @@ namespace Emby.Server.Implementations.HttpServer
             }
         }
 
-        private async Task ErrorHandler(Exception ex, IRequest httpReq, bool logExceptionStackTrace, bool logExceptionMessage)
+        private async Task ErrorHandler(Exception ex, IRequest httpReq, bool logExceptionStackTrace)
         {
             try
             {
@@ -215,16 +232,16 @@ namespace Emby.Server.Implementations.HttpServer
 
                 if (logExceptionStackTrace)
                 {
-                    Logger.LogError(ex, "Error processing request");
+                    _logger.LogError(ex, "Error processing request");
                 }
-                else if (logExceptionMessage)
+                else
                 {
-                    Logger.LogError(ex.Message);
+                    _logger.LogError("Error processing request: {Message}", ex.Message);
                 }
 
                 var httpRes = httpReq.Response;
 
-                if (httpRes.OriginalResponse.HasStarted)
+                if (httpRes.HasStarted)
                 {
                     return;
                 }
@@ -232,12 +249,14 @@ namespace Emby.Server.Implementations.HttpServer
                 var statusCode = GetStatusCode(ex);
                 httpRes.StatusCode = statusCode;
 
-                httpRes.ContentType = "text/html";
-                await Write(httpRes, NormalizeExceptionMessage(ex.Message)).ConfigureAwait(false);
+                var errContent = NormalizeExceptionMessage(ex.Message);
+                httpRes.ContentType = "text/plain";
+                httpRes.ContentLength = errContent.Length;
+                await httpRes.WriteAsync(errContent).ConfigureAwait(false);
             }
             catch (Exception errorEx)
             {
-                Logger.LogError(errorEx, "Error this.ProcessRequest(context)(Exception while writing error to the response)");
+                _logger.LogError(errorEx, "Error this.ProcessRequest(context)(Exception while writing error to the response)");
             }
         }
 
@@ -275,9 +294,9 @@ namespace Emby.Server.Implementations.HttpServer
                 {
                     connection.Dispose();
                 }
-                catch
+                catch (Exception ex)
                 {
-
+                    _logger.LogError(ex, "Error disposing connection");
                 }
             }
         }
@@ -431,7 +450,7 @@ namespace Emby.Server.Implementations.HttpServer
                 {
                     httpRes.StatusCode = 503;
                     httpRes.ContentType = "text/plain";
-                    await Write(httpRes, "Server shutting down").ConfigureAwait(false);
+                    await httpRes.WriteAsync("Server shutting down", cancellationToken).ConfigureAwait(false);
                     return;
                 }
 
@@ -439,7 +458,7 @@ namespace Emby.Server.Implementations.HttpServer
                 {
                     httpRes.StatusCode = 400;
                     httpRes.ContentType = "text/plain";
-                    await Write(httpRes, "Invalid host").ConfigureAwait(false);
+                    await httpRes.WriteAsync("Invalid host", cancellationToken).ConfigureAwait(false);
                     return;
                 }
 
@@ -447,7 +466,7 @@ namespace Emby.Server.Implementations.HttpServer
                 {
                     httpRes.StatusCode = 403;
                     httpRes.ContentType = "text/plain";
-                    await Write(httpRes, "Forbidden").ConfigureAwait(false);
+                    await httpRes.WriteAsync("Forbidden", cancellationToken).ConfigureAwait(false);
                     return;
                 }
 
@@ -460,101 +479,28 @@ namespace Emby.Server.Implementations.HttpServer
                 if (string.Equals(httpReq.Verb, "OPTIONS", StringComparison.OrdinalIgnoreCase))
                 {
                     httpRes.StatusCode = 200;
-                    httpRes.AddHeader("Access-Control-Allow-Origin", "*");
-                    httpRes.AddHeader("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, PATCH, OPTIONS");
-                    httpRes.AddHeader("Access-Control-Allow-Headers", "Content-Type, Authorization, Range, X-MediaBrowser-Token, X-Emby-Authorization");
+                    httpRes.Headers.Add("Access-Control-Allow-Origin", "*");
+                    httpRes.Headers.Add("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, PATCH, OPTIONS");
+                    httpRes.Headers.Add("Access-Control-Allow-Headers", "Content-Type, Authorization, Range, X-MediaBrowser-Token, X-Emby-Authorization");
                     httpRes.ContentType = "text/plain";
-                    await Write(httpRes, string.Empty).ConfigureAwait(false);
+                    await httpRes.WriteAsync(string.Empty, cancellationToken).ConfigureAwait(false);
                     return;
                 }
 
                 urlToLog = GetUrlToLog(urlString);
-                Logger.LogDebug("HTTP {HttpMethod} {Url} UserAgent: {UserAgent} \nHeaders: {@Headers}", urlToLog, httpReq.UserAgent ?? string.Empty, httpReq.HttpMethod, httpReq.Headers);
-
-                if (string.Equals(localPath, "/emby/", StringComparison.OrdinalIgnoreCase) ||
-                    string.Equals(localPath, "/mediabrowser/", StringComparison.OrdinalIgnoreCase))
-                {
-                    RedirectToUrl(httpRes, DefaultRedirectPath);
-                    return;
-                }
-
-                if (string.Equals(localPath, "/emby", StringComparison.OrdinalIgnoreCase) ||
-                    string.Equals(localPath, "/mediabrowser", StringComparison.OrdinalIgnoreCase))
-                {
-                    RedirectToUrl(httpRes, "emby/" + DefaultRedirectPath);
-                    return;
-                }
-
-                if (localPath.IndexOf("mediabrowser/web", StringComparison.OrdinalIgnoreCase) != -1)
-                {
-                    httpRes.StatusCode = 200;
-                    httpRes.ContentType = "text/html";
-                    var newUrl = urlString.Replace("mediabrowser", "emby", StringComparison.OrdinalIgnoreCase)
-                        .Replace("/dashboard/", "/web/", StringComparison.OrdinalIgnoreCase);
-
-                    if (!string.Equals(newUrl, urlString, StringComparison.OrdinalIgnoreCase))
-                    {
-                        await Write(httpRes,
-                            "<!doctype html><html><head><title>Emby</title></head><body>Please update your Emby bookmark to <a href=\"" +
-                            newUrl + "\">" + newUrl + "</a></body></html>").ConfigureAwait(false);
-                        return;
-                    }
-                }
-
-                if (localPath.IndexOf("dashboard/", StringComparison.OrdinalIgnoreCase) != -1 &&
-                    localPath.IndexOf("web/dashboard", StringComparison.OrdinalIgnoreCase) == -1)
-                {
-                    httpRes.StatusCode = 200;
-                    httpRes.ContentType = "text/html";
-                    var newUrl = urlString.Replace("mediabrowser", "emby", StringComparison.OrdinalIgnoreCase)
-                        .Replace("/dashboard/", "/web/", StringComparison.OrdinalIgnoreCase);
-
-                    if (!string.Equals(newUrl, urlString, StringComparison.OrdinalIgnoreCase))
-                    {
-                        await Write(httpRes,
-                            "<!doctype html><html><head><title>Emby</title></head><body>Please update your Emby bookmark to <a href=\"" +
-                            newUrl + "\">" + newUrl + "</a></body></html>").ConfigureAwait(false);
-                        return;
-                    }
-                }
-
-                if (string.Equals(localPath, "/web", StringComparison.OrdinalIgnoreCase))
-                {
-                    RedirectToUrl(httpRes, DefaultRedirectPath);
-                    return;
-                }
-
-                if (string.Equals(localPath, "/web/", StringComparison.OrdinalIgnoreCase))
-                {
-                    RedirectToUrl(httpRes, "../" + DefaultRedirectPath);
-                    return;
-                }
 
-                if (string.Equals(localPath, "/", StringComparison.OrdinalIgnoreCase))
+                if (string.Equals(localPath, _baseUrlPrefix + "/", StringComparison.OrdinalIgnoreCase)
+                    || string.Equals(localPath, _baseUrlPrefix, StringComparison.OrdinalIgnoreCase)
+                    || string.Equals(localPath, "/", StringComparison.OrdinalIgnoreCase)
+                    || string.IsNullOrEmpty(localPath)
+                    || !localPath.StartsWith(_baseUrlPrefix))
                 {
-                    RedirectToUrl(httpRes, DefaultRedirectPath);
+                    // Always redirect back to the default path if the base prefix is invalid or missing
+                    _logger.LogDebug("Normalizing a URL at {0}", localPath);
+                    httpRes.Redirect(_baseUrlPrefix + "/" + _defaultRedirectPath);
                     return;
                 }
 
-                if (string.IsNullOrEmpty(localPath))
-                {
-                    RedirectToUrl(httpRes, "/" + DefaultRedirectPath);
-                    return;
-                }
-
-                if (!string.Equals(httpReq.QueryString["r"], "0", StringComparison.OrdinalIgnoreCase))
-                {
-                    if (localPath.EndsWith("web/dashboard.html", StringComparison.OrdinalIgnoreCase))
-                    {
-                        RedirectToUrl(httpRes, "index.html#!/dashboard.html");
-                    }
-
-                    if (localPath.EndsWith("web/home.html", StringComparison.OrdinalIgnoreCase))
-                    {
-                        RedirectToUrl(httpRes, "index.html");
-                    }
-                }
-
                 if (!string.IsNullOrEmpty(GlobalResponse))
                 {
                     // We don't want the address pings in ApplicationHost to fail
@@ -562,35 +508,34 @@ namespace Emby.Server.Implementations.HttpServer
                     {
                         httpRes.StatusCode = 503;
                         httpRes.ContentType = "text/html";
-                        await Write(httpRes, GlobalResponse).ConfigureAwait(false);
+                        await httpRes.WriteAsync(GlobalResponse, cancellationToken).ConfigureAwait(false);
                         return;
                     }
                 }
 
                 var handler = GetServiceHandler(httpReq);
-
                 if (handler != null)
                 {
-                    await handler.ProcessRequestAsync(this, httpReq, httpRes, Logger, cancellationToken).ConfigureAwait(false);
+                    await handler.ProcessRequestAsync(this, httpReq, httpRes, _logger, cancellationToken).ConfigureAwait(false);
                 }
                 else
                 {
-                    await ErrorHandler(new FileNotFoundException(), httpReq, false, false).ConfigureAwait(false);
+                    await ErrorHandler(new FileNotFoundException(), httpReq, false).ConfigureAwait(false);
                 }
             }
             catch (Exception ex) when (ex is SocketException || ex is IOException || ex is OperationCanceledException)
             {
-                await ErrorHandler(ex, httpReq, false, false).ConfigureAwait(false);
+                await ErrorHandler(ex, httpReq, false).ConfigureAwait(false);
             }
             catch (SecurityException ex)
             {
-                await ErrorHandler(ex, httpReq, false, true).ConfigureAwait(false);
+                await ErrorHandler(ex, httpReq, false).ConfigureAwait(false);
             }
             catch (Exception ex)
             {
                 var logException = !string.Equals(ex.GetType().Name, "SocketException", StringComparison.OrdinalIgnoreCase);
 
-                await ErrorHandler(ex, httpReq, logException, false).ConfigureAwait(false);
+                await ErrorHandler(ex, httpReq, logException).ConfigureAwait(false);
             }
             finally
             {
@@ -598,11 +543,7 @@ namespace Emby.Server.Implementations.HttpServer
                 var elapsed = stopWatch.Elapsed;
                 if (elapsed.TotalMilliseconds > 500)
                 {
-                    Logger.LogWarning("HTTP Response {StatusCode} to {RemoteIp}. Time (slow): {Elapsed:g}. {Url}", httpRes.StatusCode, remoteIp, elapsed, urlToLog);
-                }
-                else
-                {
-                    Logger.LogDebug("HTTP Response {StatusCode} to {RemoteIp}. Time: {Elapsed:g}. {Url}", httpRes.StatusCode, remoteIp, elapsed, urlToLog);
+                    _logger.LogWarning("HTTP Response {StatusCode} to {RemoteIp}. Time (slow): {Elapsed:g}. {Url}", httpRes.StatusCode, remoteIp, elapsed, urlToLog);
                 }
             }
         }
@@ -619,18 +560,11 @@ namespace Emby.Server.Implementations.HttpServer
                 return new ServiceHandler(restPath, contentType);
             }
 
-            Logger.LogError("Could not find handler for {PathInfo}", pathInfo);
+            _logger.LogError("Could not find handler for {PathInfo}", pathInfo);
             return null;
         }
 
-        private static Task Write(IResponse response, string text)
-        {
-            var bOutput = Encoding.UTF8.GetBytes(text);
-            response.OriginalResponse.ContentLength = bOutput.Length;
-            return response.OutputStream.WriteAsync(bOutput, 0, bOutput.Length);
-        }
-
-        private void RedirectToSecureUrl(IHttpRequest httpReq, IResponse httpRes, string url)
+        private void RedirectToSecureUrl(IHttpRequest httpReq, HttpResponse httpRes, string url)
         {
             if (Uri.TryCreate(url, UriKind.Absolute, out Uri uri))
             {
@@ -640,23 +574,11 @@ namespace Emby.Server.Implementations.HttpServer
                     Scheme = "https"
                 };
                 url = builder.Uri.ToString();
-
-                RedirectToUrl(httpRes, url);
-            }
-            else
-            {
-                RedirectToUrl(httpRes, url);
             }
-        }
 
-        public static void RedirectToUrl(IResponse httpRes, string url)
-        {
-            httpRes.StatusCode = 302;
-            httpRes.AddHeader("Location", url);
+            httpRes.Redirect(url);
         }
 
-        public ServiceController ServiceController { get; private set; }
-
         /// <summary>
         /// Adds the rest handlers.
         /// </summary>
@@ -672,9 +594,9 @@ namespace Emby.Server.Implementations.HttpServer
             var types = services.Select(r => r.GetType());
             ServiceController.Init(this, types);
 
-            ResponseFilters = new Action<IRequest, IResponse, object>[]
+            ResponseFilters = new Action<IRequest, HttpResponse, object>[]
             {
-                new ResponseFilter(Logger).FilterResponse
+                new ResponseFilter(_logger).FilterResponse
             };
         }
 
@@ -685,22 +607,21 @@ namespace Emby.Server.Implementations.HttpServer
 
             foreach (var route in clone)
             {
-                routes.Add(new RouteAttribute(NormalizeEmbyRoutePath(route.Path), route.Verbs)
+                routes.Add(new RouteAttribute(NormalizeCustomRoutePath(route.Path), route.Verbs)
                 {
                     Notes = route.Notes,
                     Priority = route.Priority,
                     Summary = route.Summary
                 });
 
-                routes.Add(new RouteAttribute(NormalizeMediaBrowserRoutePath(route.Path), route.Verbs)
+                routes.Add(new RouteAttribute(NormalizeEmbyRoutePath(route.Path), route.Verbs)
                 {
                     Notes = route.Notes,
                     Priority = route.Priority,
                     Summary = route.Summary
                 });
 
-                // needed because apps add /emby, and some users also add /emby, thereby double prefixing
-                routes.Add(new RouteAttribute(DoubleNormalizeEmbyRoutePath(route.Path), route.Verbs)
+                routes.Add(new RouteAttribute(NormalizeMediaBrowserRoutePath(route.Path), route.Verbs)
                 {
                     Notes = route.Notes,
                     Priority = route.Priority,
@@ -741,55 +662,41 @@ namespace Emby.Server.Implementations.HttpServer
             return _socketListener.ProcessWebSocketRequest(context);
         }
 
-        //TODO Add Jellyfin Route Path Normalizer
-        private static string NormalizeEmbyRoutePath(string path)
+        private string NormalizeEmbyRoutePath(string path)
         {
-            if (path.StartsWith("/", StringComparison.OrdinalIgnoreCase))
-            {
-                return "/emby" + path;
-            }
-
-            return "emby/" + path;
+            _logger.LogDebug("Normalizing /emby route");
+            return _baseUrlPrefix + "/emby" + NormalizeUrlPath(path);
         }
 
-        private static string NormalizeMediaBrowserRoutePath(string path)
+        private string NormalizeMediaBrowserRoutePath(string path)
         {
-            if (path.StartsWith("/", StringComparison.OrdinalIgnoreCase))
-            {
-                return "/mediabrowser" + path;
-            }
-
-            return "mediabrowser/" + path;
+            _logger.LogDebug("Normalizing /mediabrowser route");
+            return _baseUrlPrefix + "/mediabrowser" + NormalizeUrlPath(path);
         }
 
-        private static string DoubleNormalizeEmbyRoutePath(string path)
+        private string NormalizeCustomRoutePath(string path)
         {
-            if (path.StartsWith("/", StringComparison.OrdinalIgnoreCase))
-            {
-                return "/emby/emby" + path;
-            }
-
-            return "emby/emby/" + path;
+            _logger.LogDebug("Normalizing custom route {0}", path);
+            return _baseUrlPrefix + NormalizeUrlPath(path);
         }
 
-        private bool _disposed;
-        private readonly object _disposeLock = new object();
+        /// <inheritdoc />
+        public void Dispose()
+        {
+            Dispose(true);
+            GC.SuppressFinalize(this);
+        }
 
         protected virtual void Dispose(bool disposing)
         {
             if (_disposed) return;
 
-            lock (_disposeLock)
+            if (disposing)
             {
-                if (_disposed) return;
-
-                _disposed = true;
-
-                if (disposing)
-                {
-                    Stop();
-                }
+                Stop();
             }
+
+            _disposed = true;
         }
 
         /// <summary>
@@ -803,7 +710,7 @@ namespace Emby.Server.Implementations.HttpServer
                 return Task.CompletedTask;
             }
 
-            Logger.LogDebug("Websocket message received: {0}", result.MessageType);
+            _logger.LogDebug("Websocket message received: {0}", result.MessageType);
 
             IEnumerable<Task> GetTasks()
             {
@@ -815,10 +722,5 @@ namespace Emby.Server.Implementations.HttpServer
 
             return Task.WhenAll(GetTasks());
         }
-
-        public void Dispose()
-        {
-            Dispose(true);
-        }
     }
 }
diff --git a/Emby.Server.Implementations/HttpServer/ResponseFilter.cs b/Emby.Server.Implementations/HttpServer/ResponseFilter.cs
index 08f424757..3e731366e 100644
--- a/Emby.Server.Implementations/HttpServer/ResponseFilter.cs
+++ b/Emby.Server.Implementations/HttpServer/ResponseFilter.cs
@@ -2,6 +2,7 @@ using System;
 using System.Globalization;
 using System.Text;
 using MediaBrowser.Model.Services;
+using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.Logging;
 using Microsoft.Net.Http.Headers;
 
@@ -9,7 +10,7 @@ namespace Emby.Server.Implementations.HttpServer
 {
     public class ResponseFilter
     {
-        private static readonly CultureInfo UsCulture = new CultureInfo("en-US");
+        private static readonly CultureInfo _usCulture = CultureInfo.ReadOnly(new CultureInfo("en-US"));
         private readonly ILogger _logger;
 
         public ResponseFilter(ILogger logger)
@@ -23,12 +24,12 @@ namespace Emby.Server.Implementations.HttpServer
         /// <param name="req">The req.</param>
         /// <param name="res">The res.</param>
         /// <param name="dto">The dto.</param>
-        public void FilterResponse(IRequest req, IResponse res, object dto)
+        public void FilterResponse(IRequest req, HttpResponse res, object dto)
         {
             // Try to prevent compatibility view
-            res.AddHeader("Access-Control-Allow-Headers", "Accept, Accept-Language, Authorization, Cache-Control, Content-Disposition, Content-Encoding, Content-Language, Content-Length, Content-MD5, Content-Range, Content-Type, Date, Host, If-Match, If-Modified-Since, If-None-Match, If-Unmodified-Since, Origin, OriginToken, Pragma, Range, Slug, Transfer-Encoding, Want-Digest, X-MediaBrowser-Token, X-Emby-Authorization");
-            res.AddHeader("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, PATCH, OPTIONS");
-            res.AddHeader("Access-Control-Allow-Origin", "*");
+            res.Headers.Add("Access-Control-Allow-Headers", "Accept, Accept-Language, Authorization, Cache-Control, Content-Disposition, Content-Encoding, Content-Language, Content-Length, Content-MD5, Content-Range, Content-Type, Date, Host, If-Match, If-Modified-Since, If-None-Match, If-Unmodified-Since, Origin, OriginToken, Pragma, Range, Slug, Transfer-Encoding, Want-Digest, X-MediaBrowser-Token, X-Emby-Authorization");
+            res.Headers.Add("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, PATCH, OPTIONS");
+            res.Headers.Add("Access-Control-Allow-Origin", "*");
 
             if (dto is Exception exception)
             {
@@ -39,7 +40,7 @@ namespace Emby.Server.Implementations.HttpServer
                     var error = exception.Message.Replace(Environment.NewLine, " ");
                     error = RemoveControlCharacters(error);
 
-                    res.AddHeader("X-Application-Error-Code", error);
+                    res.Headers.Add("X-Application-Error-Code", error);
                 }
             }
 
@@ -54,12 +55,11 @@ namespace Emby.Server.Implementations.HttpServer
                 if (hasHeaders.Headers.TryGetValue(HeaderNames.ContentLength, out string contentLength)
                     && !string.IsNullOrEmpty(contentLength))
                 {
-                    var length = long.Parse(contentLength, UsCulture);
+                    var length = long.Parse(contentLength, _usCulture);
 
                     if (length > 0)
                     {
-                        res.OriginalResponse.ContentLength = length;
-                        res.SendChunked = false;
+                        res.ContentLength = length;
                     }
                 }
             }
@@ -72,9 +72,12 @@ namespace Emby.Server.Implementations.HttpServer
         /// <returns>System.String.</returns>
         public static string RemoveControlCharacters(string inString)
         {
-            if (inString == null) return null;
+            if (inString == null)
+            {
+                return null;
+            }
 
-            var newString = new StringBuilder();
+            var newString = new StringBuilder(inString.Length);
 
             foreach (var ch in inString)
             {
@@ -83,6 +86,7 @@ namespace Emby.Server.Implementations.HttpServer
                     newString.Append(ch);
                 }
             }
+
             return newString.ToString();
         }
     }
diff --git a/Emby.Server.Implementations/HttpServer/Security/AuthService.cs b/Emby.Server.Implementations/HttpServer/Security/AuthService.cs
index 1027883ed..93a61fe67 100644
--- a/Emby.Server.Implementations/HttpServer/Security/AuthService.cs
+++ b/Emby.Server.Implementations/HttpServer/Security/AuthService.cs
@@ -3,7 +3,6 @@ using System.Linq;
 using MediaBrowser.Common.Net;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Entities;
-using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Net;
 using MediaBrowser.Controller.Security;
 using MediaBrowser.Controller.Session;
@@ -13,28 +12,23 @@ namespace Emby.Server.Implementations.HttpServer.Security
 {
     public class AuthService : IAuthService
     {
+        private readonly IAuthorizationContext _authorizationContext;
+        private readonly ISessionManager _sessionManager;
         private readonly IServerConfigurationManager _config;
+        private readonly INetworkManager _networkManager;
 
-        public AuthService(IUserManager userManager, IAuthorizationContext authorizationContext, IServerConfigurationManager config, ISessionManager sessionManager, INetworkManager networkManager)
+        public AuthService(
+            IAuthorizationContext authorizationContext,
+            IServerConfigurationManager config,
+            ISessionManager sessionManager,
+            INetworkManager networkManager)
         {
-            AuthorizationContext = authorizationContext;
+            _authorizationContext = authorizationContext;
             _config = config;
-            SessionManager = sessionManager;
-            UserManager = userManager;
-            NetworkManager = networkManager;
+            _sessionManager = sessionManager;
+            _networkManager = networkManager;
         }
 
-        public IUserManager UserManager { get; private set; }
-        public IAuthorizationContext AuthorizationContext { get; private set; }
-        public ISessionManager SessionManager { get; private set; }
-        public INetworkManager NetworkManager { get; private set; }
-
-        /// <summary>
-        /// Redirect the client to a specific URL if authentication failed.
-        /// If this property is null, simply `401 Unauthorized` is returned.
-        /// </summary>
-        public string HtmlRedirect { get; set; }
-
         public void Authenticate(IRequest request, IAuthenticationAttributes authAttribtues)
         {
             ValidateUser(request, authAttribtues);
@@ -43,7 +37,7 @@ namespace Emby.Server.Implementations.HttpServer.Security
         private void ValidateUser(IRequest request, IAuthenticationAttributes authAttribtues)
         {
             // This code is executed before the service
-            var auth = AuthorizationContext.GetAuthorizationInfo(request);
+            var auth = _authorizationContext.GetAuthorizationInfo(request);
 
             if (!IsExemptFromAuthenticationToken(authAttribtues, request))
             {
@@ -57,7 +51,7 @@ namespace Emby.Server.Implementations.HttpServer.Security
 
             var user = auth.User;
 
-            if (user == null & !auth.UserId.Equals(Guid.Empty))
+            if (user == null && auth.UserId != Guid.Empty)
             {
                 throw new SecurityException("User with Id " + auth.UserId + " not found");
             }
@@ -80,7 +74,7 @@ namespace Emby.Server.Implementations.HttpServer.Security
                 !string.IsNullOrEmpty(auth.Client) &&
                 !string.IsNullOrEmpty(auth.Device))
             {
-                SessionManager.LogSessionActivity(auth.Client,
+                _sessionManager.LogSessionActivity(auth.Client,
                     auth.Version,
                     auth.DeviceId,
                     auth.Device,
@@ -89,7 +83,9 @@ namespace Emby.Server.Implementations.HttpServer.Security
             }
         }
 
-        private void ValidateUserAccess(User user, IRequest request,
+        private void ValidateUserAccess(
+            User user,
+            IRequest request,
             IAuthenticationAttributes authAttribtues,
             AuthorizationInfo auth)
         {
@@ -101,7 +97,7 @@ namespace Emby.Server.Implementations.HttpServer.Security
                 };
             }
 
-            if (!user.Policy.EnableRemoteAccess && !NetworkManager.IsInLocalNetwork(request.RemoteIp))
+            if (!user.Policy.EnableRemoteAccess && !_networkManager.IsInLocalNetwork(request.RemoteIp))
             {
                 throw new SecurityException("User account has been disabled.")
                 {
@@ -109,11 +105,11 @@ namespace Emby.Server.Implementations.HttpServer.Security
                 };
             }
 
-            if (!user.Policy.IsAdministrator &&
-                !authAttribtues.EscapeParentalControl &&
-                !user.IsParentalScheduleAllowed())
+            if (!user.Policy.IsAdministrator
+                && !authAttribtues.EscapeParentalControl
+                && !user.IsParentalScheduleAllowed())
             {
-                request.Response.AddHeader("X-Application-Error-Code", "ParentalControl");
+                request.Response.Headers.Add("X-Application-Error-Code", "ParentalControl");
 
                 throw new SecurityException("This user account is not allowed access at this time.")
                 {
@@ -183,6 +179,7 @@ namespace Emby.Server.Implementations.HttpServer.Security
                     };
                 }
             }
+
             if (roles.Contains("delete", StringComparer.OrdinalIgnoreCase))
             {
                 if (user == null || !user.Policy.EnableContentDeletion)
@@ -193,6 +190,7 @@ namespace Emby.Server.Implementations.HttpServer.Security
                     };
                 }
             }
+
             if (roles.Contains("download", StringComparer.OrdinalIgnoreCase))
             {
                 if (user == null || !user.Policy.EnableContentDownloading)
diff --git a/Emby.Server.Implementations/HttpServer/Security/AuthorizationContext.cs b/Emby.Server.Implementations/HttpServer/Security/AuthorizationContext.cs
index 276312a30..457448604 100644
--- a/Emby.Server.Implementations/HttpServer/Security/AuthorizationContext.cs
+++ b/Emby.Server.Implementations/HttpServer/Security/AuthorizationContext.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Net;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Net;
 using MediaBrowser.Controller.Security;
@@ -89,7 +90,7 @@ namespace Emby.Server.Implementations.HttpServer.Security
                     AccessToken = token
                 });
 
-                var tokenInfo = result.Items.Length > 0 ? result.Items[0] : null;
+                var tokenInfo = result.Items.Count > 0 ? result.Items[0] : null;
 
                 if (tokenInfo != null)
                 {
@@ -190,17 +191,23 @@ namespace Emby.Server.Implementations.HttpServer.Security
         /// <returns>Dictionary{System.StringSystem.String}.</returns>
         private Dictionary<string, string> GetAuthorization(string authorizationHeader)
         {
-            if (authorizationHeader == null) return null;
+            if (authorizationHeader == null)
+            {
+                return null;
+            }
 
             var parts = authorizationHeader.Split(new[] { ' ' }, 2);
 
             // There should be at least to parts
-            if (parts.Length != 2) return null;
+            if (parts.Length != 2)
+            {
+                return null;
+            }
 
             var acceptedNames = new[] { "MediaBrowser", "Emby" };
 
             // It has to be a digest request
-            if (!acceptedNames.Contains(parts[0] ?? string.Empty, StringComparer.OrdinalIgnoreCase))
+            if (!acceptedNames.Contains(parts[0], StringComparer.OrdinalIgnoreCase))
             {
                 return null;
             }
@@ -232,7 +239,7 @@ namespace Emby.Server.Implementations.HttpServer.Security
                 return value;
             }
 
-            return System.Net.WebUtility.HtmlEncode(value);
+            return WebUtility.HtmlEncode(value);
         }
     }
 }
diff --git a/Emby.Server.Implementations/IO/IsoManager.cs b/Emby.Server.Implementations/IO/IsoManager.cs
index f0a15097c..94e92c2a6 100644
--- a/Emby.Server.Implementations/IO/IsoManager.cs
+++ b/Emby.Server.Implementations/IO/IsoManager.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
@@ -8,12 +9,12 @@ using MediaBrowser.Model.IO;
 namespace Emby.Server.Implementations.IO
 {
     /// <summary>
-    /// Class IsoManager
+    /// Class IsoManager.
     /// </summary>
     public class IsoManager : IIsoManager
     {
         /// <summary>
-        /// The _mounters
+        /// The _mounters.
         /// </summary>
         private readonly List<IIsoMounter> _mounters = new List<IIsoMounter>();
 
@@ -22,9 +23,7 @@ namespace Emby.Server.Implementations.IO
         /// </summary>
         /// <param name="isoPath">The iso path.</param>
         /// <param name="cancellationToken">The cancellation token.</param>
-        /// <returns>IsoMount.</returns>
-        /// <exception cref="ArgumentNullException">isoPath</exception>
-        /// <exception cref="ArgumentException"></exception>
+        /// <returns><see creaf="IsoMount" />.</returns>
         public Task<IIsoMount> Mount(string isoPath, CancellationToken cancellationToken)
         {
             if (string.IsNullOrEmpty(isoPath))
@@ -36,7 +35,11 @@ namespace Emby.Server.Implementations.IO
 
             if (mounter == null)
             {
-                throw new ArgumentException(string.Format("No mounters are able to mount {0}", isoPath));
+                throw new ArgumentException(
+                    string.Format(
+                        CultureInfo.InvariantCulture,
+                        "No mounters are able to mount {0}",
+                        isoPath));
             }
 
             return mounter.Mount(isoPath, cancellationToken);
@@ -60,16 +63,5 @@ namespace Emby.Server.Implementations.IO
         {
             _mounters.AddRange(mounters);
         }
-
-        /// <summary>
-        /// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
-        /// </summary>
-        public void Dispose()
-        {
-            foreach (var mounter in _mounters)
-            {
-                mounter.Dispose();
-            }
-        }
     }
 }
diff --git a/Emby.Server.Implementations/IO/ManagedFileSystem.cs b/Emby.Server.Implementations/IO/ManagedFileSystem.cs
index 8517abed6..ae8371a32 100644
--- a/Emby.Server.Implementations/IO/ManagedFileSystem.cs
+++ b/Emby.Server.Implementations/IO/ManagedFileSystem.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Diagnostics;
 using System.IO;
 using System.Linq;
@@ -555,7 +556,7 @@ namespace Emby.Server.Implementations.IO
                 throw new ArgumentNullException(nameof(file2));
             }
 
-            var temp1 = Path.Combine(_tempPath, Guid.NewGuid().ToString("N"));
+            var temp1 = Path.Combine(_tempPath, Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture));
 
             // Copying over will fail against hidden files
             SetHidden(file1, false);
diff --git a/Emby.Server.Implementations/Images/BaseDynamicImageProvider.cs b/Emby.Server.Implementations/Images/BaseDynamicImageProvider.cs
index 46f209b4b..6afcf567a 100644
--- a/Emby.Server.Implementations/Images/BaseDynamicImageProvider.cs
+++ b/Emby.Server.Implementations/Images/BaseDynamicImageProvider.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Threading;
@@ -20,14 +21,6 @@ namespace Emby.Server.Implementations.Images
     public abstract class BaseDynamicImageProvider<T> : IHasItemChangeMonitor, IForcedProvider, ICustomMetadataProvider<T>, IHasOrder
         where T : BaseItem
     {
-        protected virtual IReadOnlyCollection<ImageType> SupportedImages { get; }
-            = new ImageType[] { ImageType.Primary };
-
-        protected IFileSystem FileSystem { get; private set; }
-        protected IProviderManager ProviderManager { get; private set; }
-        protected IApplicationPaths ApplicationPaths { get; private set; }
-        protected IImageProcessor ImageProcessor { get; set; }
-
         protected BaseDynamicImageProvider(IFileSystem fileSystem, IProviderManager providerManager, IApplicationPaths applicationPaths, IImageProcessor imageProcessor)
         {
             ApplicationPaths = applicationPaths;
@@ -36,6 +29,24 @@ namespace Emby.Server.Implementations.Images
             ImageProcessor = imageProcessor;
         }
 
+        protected IFileSystem FileSystem { get; }
+
+        protected IProviderManager ProviderManager { get; }
+
+        protected IApplicationPaths ApplicationPaths { get; }
+
+        protected IImageProcessor ImageProcessor { get; set; }
+
+        protected virtual IReadOnlyCollection<ImageType> SupportedImages { get; }
+            = new ImageType[] { ImageType.Primary };
+
+        /// <inheritdoc />
+        public string Name => "Dynamic Image Provider";
+
+        protected virtual int MaxImageAgeDays => 7;
+
+        public int Order => 0;
+
         protected virtual bool Supports(BaseItem _) => true;
 
         public async Task<ItemUpdateType> FetchAsync(T item, MetadataRefreshOptions options, CancellationToken cancellationToken)
@@ -84,12 +95,13 @@ namespace Emby.Server.Implementations.Images
             return FetchToFileInternal(item, items, imageType, cancellationToken);
         }
 
-        protected async Task<ItemUpdateType> FetchToFileInternal(BaseItem item,
+        protected async Task<ItemUpdateType> FetchToFileInternal(
+            BaseItem item,
             IReadOnlyList<BaseItem> itemsWithImages,
             ImageType imageType,
             CancellationToken cancellationToken)
         {
-            var outputPathWithoutExtension = Path.Combine(ApplicationPaths.TempDirectory, Guid.NewGuid().ToString("N"));
+            var outputPathWithoutExtension = Path.Combine(ApplicationPaths.TempDirectory, Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture));
             Directory.CreateDirectory(Path.GetDirectoryName(outputPathWithoutExtension));
             string outputPath = CreateImage(item, itemsWithImages, outputPathWithoutExtension, imageType, 0);
 
@@ -180,8 +192,6 @@ namespace Emby.Server.Implementations.Images
             return outputPath;
         }
 
-        public string Name => "Dynamic Image Provider";
-
         protected virtual string CreateImage(BaseItem item,
             IReadOnlyCollection<BaseItem> itemsWithImages,
             string outputPathWithoutExtension,
@@ -213,8 +223,6 @@ namespace Emby.Server.Implementations.Images
             throw new ArgumentException("Unexpected image type", nameof(imageType));
         }
 
-        protected virtual int MaxImageAgeDays => 7;
-
         public bool HasChanged(BaseItem item, IDirectoryService directoryServicee)
         {
             if (!Supports(item))
@@ -262,15 +270,9 @@ namespace Emby.Server.Implementations.Images
         protected virtual bool HasChangedByDate(BaseItem item, ItemImageInfo image)
         {
             var age = DateTime.UtcNow - image.DateModified;
-            if (age.TotalDays <= MaxImageAgeDays)
-            {
-                return false;
-            }
-            return true;
+            return age.TotalDays > MaxImageAgeDays;
         }
 
-        public int Order => 0;
-
         protected string CreateSingleImage(IEnumerable<BaseItem> itemsWithImages, string outputPathWithoutExtension, ImageType imageType)
         {
             var image = itemsWithImages
diff --git a/Emby.Server.Implementations/Library/CoreResolutionIgnoreRule.cs b/Emby.Server.Implementations/Library/CoreResolutionIgnoreRule.cs
index f1ae2fc9c..8bdb38784 100644
--- a/Emby.Server.Implementations/Library/CoreResolutionIgnoreRule.cs
+++ b/Emby.Server.Implementations/Library/CoreResolutionIgnoreRule.cs
@@ -57,7 +57,6 @@ namespace Emby.Server.Implementations.Library
             }
 
             var filename = fileInfo.Name;
-            var path = fileInfo.FullName;
 
             // Ignore hidden files on UNIX
             if (Environment.OSVersion.Platform != PlatformID.Win32NT
diff --git a/Emby.Server.Implementations/Library/DefaultAuthenticationProvider.cs b/Emby.Server.Implementations/Library/DefaultAuthenticationProvider.cs
index fe09b07ff..c95b00ede 100644
--- a/Emby.Server.Implementations/Library/DefaultAuthenticationProvider.cs
+++ b/Emby.Server.Implementations/Library/DefaultAuthenticationProvider.cs
@@ -2,24 +2,30 @@ using System;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using MediaBrowser.Common.Cryptography;
 using MediaBrowser.Controller.Authentication;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Model.Cryptography;
+using static MediaBrowser.Common.HexHelper;
 
 namespace Emby.Server.Implementations.Library
 {
     public class DefaultAuthenticationProvider : IAuthenticationProvider, IRequiresResolvedUser
     {
         private readonly ICryptoProvider _cryptographyProvider;
-        public DefaultAuthenticationProvider(ICryptoProvider crypto)
+
+        public DefaultAuthenticationProvider(ICryptoProvider cryptographyProvider)
         {
-            _cryptographyProvider = crypto;
+            _cryptographyProvider = cryptographyProvider;
         }
 
+        /// <inheritdoc />
         public string Name => "Default";
 
+        /// <inheritdoc />
         public bool IsEnabled => true;
 
+        /// <inheritdoc />
         // This is dumb and an artifact of the backwards way auth providers were designed.
         // This version of authenticate was never meant to be called, but needs to be here for interface compat
         // Only the providers that don't provide local user support use this
@@ -28,17 +34,18 @@ namespace Emby.Server.Implementations.Library
             throw new NotImplementedException();
         }
 
-        // This is the verson that we need to use for local users. Because reasons.
+        /// <inheritdoc />
+        // This is the version that we need to use for local users. Because reasons.
         public Task<ProviderAuthenticationResult> Authenticate(string username, string password, User resolvedUser)
         {
             bool success = false;
             if (resolvedUser == null)
             {
-                throw new Exception("Invalid username or password");
+                throw new ArgumentNullException(nameof(resolvedUser));
             }
 
-            // As long as jellyfin supports passwordless users, we need this little block here to accomodate
-            if (IsPasswordEmpty(resolvedUser, password))
+            // As long as jellyfin supports passwordless users, we need this little block here to accommodate
+            if (!HasPassword(resolvedUser) && string.IsNullOrEmpty(password))
             {
                 return Task.FromResult(new ProviderAuthenticationResult
                 {
@@ -46,41 +53,27 @@ namespace Emby.Server.Implementations.Library
                 });
             }
 
-            ConvertPasswordFormat(resolvedUser);
             byte[] passwordbytes = Encoding.UTF8.GetBytes(password);
 
-            PasswordHash readyHash = new PasswordHash(resolvedUser.Password);
-            byte[] calculatedHash;
-            string calculatedHashString;
-            if (_cryptographyProvider.GetSupportedHashMethods().Contains(readyHash.Id) || _cryptographyProvider.DefaultHashMethod == readyHash.Id)
+            PasswordHash readyHash = PasswordHash.Parse(resolvedUser.Password);
+            if (_cryptographyProvider.GetSupportedHashMethods().Contains(readyHash.Id)
+                || _cryptographyProvider.DefaultHashMethod == readyHash.Id)
             {
-                if (string.IsNullOrEmpty(readyHash.Salt))
-                {
-                    calculatedHash = _cryptographyProvider.ComputeHash(readyHash.Id, passwordbytes);
-                    calculatedHashString = BitConverter.ToString(calculatedHash).Replace("-", string.Empty);
-                }
-                else
-                {
-                    calculatedHash = _cryptographyProvider.ComputeHash(readyHash.Id, passwordbytes, readyHash.SaltBytes);
-                    calculatedHashString = BitConverter.ToString(calculatedHash).Replace("-", string.Empty);
-                }
+                byte[] calculatedHash = _cryptographyProvider.ComputeHash(readyHash.Id, passwordbytes, readyHash.Salt);
 
-                if (calculatedHashString == readyHash.Hash)
+                if (calculatedHash.SequenceEqual(readyHash.Hash))
                 {
                     success = true;
-                    // throw new Exception("Invalid username or password");
                 }
             }
             else
             {
-                throw new Exception(string.Format($"Requested crypto method not available in provider: {readyHash.Id}"));
+                throw new AuthenticationException($"Requested crypto method not available in provider: {readyHash.Id}");
             }
 
-            // var success = string.Equals(GetPasswordHash(resolvedUser), GetHashedString(resolvedUser, password), StringComparison.OrdinalIgnoreCase);
-
             if (!success)
             {
-                throw new Exception("Invalid username or password");
+                throw new AuthenticationException("Invalid username or password");
             }
 
             return Task.FromResult(new ProviderAuthenticationResult
@@ -89,89 +82,31 @@ namespace Emby.Server.Implementations.Library
             });
         }
 
-        // This allows us to move passwords forward to the newformat without breaking. They are still insecure, unsalted, and dumb before a password change
-        // but at least they are in the new format.
-        private void ConvertPasswordFormat(User user)
-        {
-            if (string.IsNullOrEmpty(user.Password))
-            {
-                return;
-            }
-
-            if (!user.Password.Contains("$"))
-            {
-                string hash = user.Password;
-                user.Password = string.Format("$SHA1${0}", hash);
-            }
-
-            if (user.EasyPassword != null && !user.EasyPassword.Contains("$"))
-            {
-                string hash = user.EasyPassword;
-                user.EasyPassword = string.Format("$SHA1${0}", hash);
-            }
-        }
-
-        public Task<bool> HasPassword(User user)
-        {
-            var hasConfiguredPassword = !IsPasswordEmpty(user, GetPasswordHash(user));
-            return Task.FromResult(hasConfiguredPassword);
-        }
-
-        private bool IsPasswordEmpty(User user, string password)
-        {
-            return (string.IsNullOrEmpty(user.Password) && string.IsNullOrEmpty(password));
-        }
+        /// <inheritdoc />
+        public bool HasPassword(User user)
+            => !string.IsNullOrEmpty(user.Password);
 
+        /// <inheritdoc />
         public Task ChangePassword(User user, string newPassword)
         {
-            ConvertPasswordFormat(user);
-            // This is needed to support changing a no password user to a password user
-            if (string.IsNullOrEmpty(user.Password))
+            if (string.IsNullOrEmpty(newPassword))
             {
-                PasswordHash newPasswordHash = new PasswordHash(_cryptographyProvider);
-                newPasswordHash.SaltBytes = _cryptographyProvider.GenerateSalt();
-                newPasswordHash.Salt = PasswordHash.ConvertToByteString(newPasswordHash.SaltBytes);
-                newPasswordHash.Id = _cryptographyProvider.DefaultHashMethod;
-                newPasswordHash.Hash = GetHashedStringChangeAuth(newPassword, newPasswordHash);
-                user.Password = newPasswordHash.ToString();
+                user.Password = null;
                 return Task.CompletedTask;
             }
 
-            PasswordHash passwordHash = new PasswordHash(user.Password);
-            if (passwordHash.Id == "SHA1" && string.IsNullOrEmpty(passwordHash.Salt))
-            {
-                passwordHash.SaltBytes = _cryptographyProvider.GenerateSalt();
-                passwordHash.Salt = PasswordHash.ConvertToByteString(passwordHash.SaltBytes);
-                passwordHash.Id = _cryptographyProvider.DefaultHashMethod;
-                passwordHash.Hash = GetHashedStringChangeAuth(newPassword, passwordHash);
-            }
-            else if (newPassword != null)
-            {
-                passwordHash.Hash = GetHashedString(user, newPassword);
-            }
-
-            if (string.IsNullOrWhiteSpace(passwordHash.Hash))
-            {
-                throw new ArgumentNullException(nameof(passwordHash.Hash));
-            }
-
-            user.Password = passwordHash.ToString();
+            PasswordHash newPasswordHash = _cryptographyProvider.CreatePasswordHash(newPassword);
+            user.Password = newPasswordHash.ToString();
 
             return Task.CompletedTask;
         }
 
-        public string GetPasswordHash(User user)
-        {
-            return user.Password;
-        }
-
+        /// <inheritdoc />
         public void ChangeEasyPassword(User user, string newPassword, string newPasswordHash)
         {
-            ConvertPasswordFormat(user);
-
             if (newPassword != null)
             {
-                newPasswordHash = string.Format("$SHA1${0}", GetHashedString(user, newPassword));
+                newPasswordHash = _cryptographyProvider.CreatePasswordHash(newPassword).ToString();
             }
 
             if (string.IsNullOrWhiteSpace(newPasswordHash))
@@ -182,21 +117,12 @@ namespace Emby.Server.Implementations.Library
             user.EasyPassword = newPasswordHash;
         }
 
+        /// <inheritdoc />
         public string GetEasyPasswordHash(User user)
         {
-            // This should be removed in the future. This was added to let user login after
-            // Jellyfin 10.3.3 failed to save a well formatted PIN.
-            ConvertPasswordFormat(user);
-
             return string.IsNullOrEmpty(user.EasyPassword)
                 ? null
-                : (new PasswordHash(user.EasyPassword)).Hash;
-        }
-
-        public string GetHashedStringChangeAuth(string newPassword, PasswordHash passwordHash)
-        {
-            passwordHash.HashBytes = Encoding.UTF8.GetBytes(newPassword);
-            return PasswordHash.ConvertToByteString(_cryptographyProvider.ComputeHash(passwordHash));
+                : ToHexString(PasswordHash.Parse(user.EasyPassword).Hash);
         }
 
         /// <summary>
@@ -204,28 +130,36 @@ namespace Emby.Server.Implementations.Library
         /// </summary>
         public string GetHashedString(User user, string str)
         {
-            PasswordHash passwordHash;
             if (string.IsNullOrEmpty(user.Password))
             {
-                passwordHash = new PasswordHash(_cryptographyProvider);
-            }
-            else
-            {
-                ConvertPasswordFormat(user);
-                passwordHash = new PasswordHash(user.Password);
+                return _cryptographyProvider.CreatePasswordHash(str).ToString();
             }
 
-            if (passwordHash.SaltBytes != null)
-            {
-                // the password is modern format with PBKDF and we should take advantage of that
-                passwordHash.HashBytes = Encoding.UTF8.GetBytes(str);
-                return PasswordHash.ConvertToByteString(_cryptographyProvider.ComputeHash(passwordHash));
-            }
-            else
+            // TODO: make use of iterations parameter?
+            PasswordHash passwordHash = PasswordHash.Parse(user.Password);
+            return new PasswordHash(
+                passwordHash.Id,
+                _cryptographyProvider.ComputeHash(
+                    passwordHash.Id,
+                    Encoding.UTF8.GetBytes(str),
+                    passwordHash.Salt),
+                passwordHash.Salt,
+                passwordHash.Parameters.ToDictionary(x => x.Key, y => y.Value)).ToString();
+        }
+
+        public byte[] GetHashed(User user, string str)
+        {
+            if (string.IsNullOrEmpty(user.Password))
             {
-                // the password has no salt and should be called with the older method for safety
-                return PasswordHash.ConvertToByteString(_cryptographyProvider.ComputeHash(passwordHash.Id, Encoding.UTF8.GetBytes(str)));
+                return _cryptographyProvider.CreatePasswordHash(str).Hash;
             }
+
+            // TODO: make use of iterations parameter?
+            PasswordHash passwordHash = PasswordHash.Parse(user.Password);
+            return _cryptographyProvider.ComputeHash(
+                    passwordHash.Id,
+                    Encoding.UTF8.GetBytes(str),
+                    passwordHash.Salt);
         }
     }
 }
diff --git a/Emby.Server.Implementations/Library/DefaultPasswordResetProvider.cs b/Emby.Server.Implementations/Library/DefaultPasswordResetProvider.cs
index e218749d9..fa6bbcf91 100644
--- a/Emby.Server.Implementations/Library/DefaultPasswordResetProvider.cs
+++ b/Emby.Server.Implementations/Library/DefaultPasswordResetProvider.cs
@@ -1,132 +1,131 @@
-using System;

-using System.Collections.Generic;

-using System.Globalization;

-using System.IO;

-using System.Linq;

-using System.Text;

-using System.Threading.Tasks;

-using MediaBrowser.Common.Extensions;

-using MediaBrowser.Controller.Authentication;

-using MediaBrowser.Controller.Configuration;

-using MediaBrowser.Controller.Library;

-using MediaBrowser.Model.Cryptography;

-using MediaBrowser.Model.Serialization;

-using MediaBrowser.Model.Users;

-

-namespace Emby.Server.Implementations.Library

-{

-    public class DefaultPasswordResetProvider : IPasswordResetProvider

-    {

-        public string Name => "Default Password Reset Provider";

-

-        public bool IsEnabled => true;

-

-        private readonly string _passwordResetFileBase;

-        private readonly string _passwordResetFileBaseDir;

-        private readonly string _passwordResetFileBaseName = "passwordreset";

-

-        private readonly IJsonSerializer _jsonSerializer;

-        private readonly IUserManager _userManager;

-        private readonly ICryptoProvider _crypto;

-

-        public DefaultPasswordResetProvider(IServerConfigurationManager configurationManager, IJsonSerializer jsonSerializer, IUserManager userManager, ICryptoProvider cryptoProvider)

-        {

-            _passwordResetFileBaseDir = configurationManager.ApplicationPaths.ProgramDataPath;

-            _passwordResetFileBase = Path.Combine(_passwordResetFileBaseDir, _passwordResetFileBaseName);

-            _jsonSerializer = jsonSerializer;

-            _userManager = userManager;

-            _crypto = cryptoProvider;

-        }

-

-        public async Task<PinRedeemResult> RedeemPasswordResetPin(string pin)

-        {

-            SerializablePasswordReset spr;

-            HashSet<string> usersreset = new HashSet<string>();

-            foreach (var resetfile in Directory.EnumerateFiles(_passwordResetFileBaseDir, $"{_passwordResetFileBaseName}*"))

-            {

-                using (var str = File.OpenRead(resetfile))

-                {

-                    spr = await _jsonSerializer.DeserializeFromStreamAsync<SerializablePasswordReset>(str).ConfigureAwait(false);

-                }

-

-                if (spr.ExpirationDate < DateTime.Now)

-                {

-                    File.Delete(resetfile);

-                }

-                else if (spr.Pin.Replace("-", "").Equals(pin.Replace("-", ""), StringComparison.InvariantCultureIgnoreCase))

-                {

-                    var resetUser = _userManager.GetUserByName(spr.UserName);

-                    if (resetUser == null)

-                    {

-                        throw new Exception($"User with a username of {spr.UserName} not found");

-                    }

-

-                    await _userManager.ChangePassword(resetUser, pin).ConfigureAwait(false);

-                    usersreset.Add(resetUser.Name);

-                    File.Delete(resetfile);

-                }

-            }

-

-            if (usersreset.Count < 1)

-            {

-                throw new ResourceNotFoundException($"No Users found with a password reset request matching pin {pin}");

-            }

-            else

-            {

-                return new PinRedeemResult

-                {

-                    Success = true,

-                    UsersReset = usersreset.ToArray()

-                };

-            }

-        }

-

-        public async Task<ForgotPasswordResult> StartForgotPasswordProcess(MediaBrowser.Controller.Entities.User user, bool isInNetwork)

-        {

-            string pin = string.Empty;

-            using (var cryptoRandom = System.Security.Cryptography.RandomNumberGenerator.Create())

-            {

-                byte[] bytes = new byte[4];

-                cryptoRandom.GetBytes(bytes);

-                pin = BitConverter.ToString(bytes);

-            }

-

-            DateTime expireTime = DateTime.Now.AddMinutes(30);

-            string filePath = _passwordResetFileBase + user.InternalId + ".json";

-            SerializablePasswordReset spr = new SerializablePasswordReset

-            {

-                ExpirationDate = expireTime,

-                Pin = pin,

-                PinFile = filePath,

-                UserName = user.Name

-            };

-

-            try

-            {

-                using (FileStream fileStream = File.OpenWrite(filePath))

-                {

-                    _jsonSerializer.SerializeToStream(spr, fileStream);

-                    await fileStream.FlushAsync().ConfigureAwait(false);

-                }

-            }

-            catch (Exception e)

-            {

-                throw new Exception($"Error serializing or writing password reset for {user.Name} to location: {filePath}", e);

-            }

-

-            return new ForgotPasswordResult

-            {

-                Action = ForgotPasswordAction.PinCode,

-                PinExpirationDate = expireTime,

-                PinFile = filePath

-            };

-        }

-

-        private class SerializablePasswordReset : PasswordPinCreationResult

-        {

-            public string Pin { get; set; }

-

-            public string UserName { get; set; }

-        }

-    }

-}

+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Security.Cryptography;
+using System.Threading.Tasks;
+using MediaBrowser.Common.Extensions;
+using MediaBrowser.Controller.Authentication;
+using MediaBrowser.Controller.Configuration;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Model.Serialization;
+using MediaBrowser.Model.Users;
+
+namespace Emby.Server.Implementations.Library
+{
+    public class DefaultPasswordResetProvider : IPasswordResetProvider
+    {
+        private const string BaseResetFileName = "passwordreset";
+
+        private readonly IJsonSerializer _jsonSerializer;
+        private readonly IUserManager _userManager;
+
+        private readonly string _passwordResetFileBase;
+        private readonly string _passwordResetFileBaseDir;
+
+        public DefaultPasswordResetProvider(
+            IServerConfigurationManager configurationManager,
+            IJsonSerializer jsonSerializer,
+            IUserManager userManager)
+        {
+            _passwordResetFileBaseDir = configurationManager.ApplicationPaths.ProgramDataPath;
+            _passwordResetFileBase = Path.Combine(_passwordResetFileBaseDir, BaseResetFileName);
+            _jsonSerializer = jsonSerializer;
+            _userManager = userManager;
+        }
+
+        /// <inheritdoc />
+        public string Name => "Default Password Reset Provider";
+
+        /// <inheritdoc />
+        public bool IsEnabled => true;
+
+        /// <inheritdoc />
+        public async Task<PinRedeemResult> RedeemPasswordResetPin(string pin)
+        {
+            SerializablePasswordReset spr;
+            List<string> usersreset = new List<string>();
+            foreach (var resetfile in Directory.EnumerateFiles(_passwordResetFileBaseDir, $"{BaseResetFileName}*"))
+            {
+                using (var str = File.OpenRead(resetfile))
+                {
+                    spr = await _jsonSerializer.DeserializeFromStreamAsync<SerializablePasswordReset>(str).ConfigureAwait(false);
+                }
+
+                if (spr.ExpirationDate < DateTime.Now)
+                {
+                    File.Delete(resetfile);
+                }
+                else if (string.Equals(
+                    spr.Pin.Replace("-", string.Empty),
+                    pin.Replace("-", string.Empty),
+                    StringComparison.InvariantCultureIgnoreCase))
+                {
+                    var resetUser = _userManager.GetUserByName(spr.UserName);
+                    if (resetUser == null)
+                    {
+                        throw new ResourceNotFoundException($"User with a username of {spr.UserName} not found");
+                    }
+
+                    await _userManager.ChangePassword(resetUser, pin).ConfigureAwait(false);
+                    usersreset.Add(resetUser.Name);
+                    File.Delete(resetfile);
+                }
+            }
+
+            if (usersreset.Count < 1)
+            {
+                throw new ResourceNotFoundException($"No Users found with a password reset request matching pin {pin}");
+            }
+            else
+            {
+                return new PinRedeemResult
+                {
+                    Success = true,
+                    UsersReset = usersreset.ToArray()
+                };
+            }
+        }
+
+        /// <inheritdoc />
+        public async Task<ForgotPasswordResult> StartForgotPasswordProcess(MediaBrowser.Controller.Entities.User user, bool isInNetwork)
+        {
+            string pin = string.Empty;
+            using (var cryptoRandom = RandomNumberGenerator.Create())
+            {
+                byte[] bytes = new byte[4];
+                cryptoRandom.GetBytes(bytes);
+                pin = BitConverter.ToString(bytes);
+            }
+
+            DateTime expireTime = DateTime.Now.AddMinutes(30);
+            string filePath = _passwordResetFileBase + user.InternalId + ".json";
+            SerializablePasswordReset spr = new SerializablePasswordReset
+            {
+                ExpirationDate = expireTime,
+                Pin = pin,
+                PinFile = filePath,
+                UserName = user.Name
+            };
+
+            using (FileStream fileStream = File.OpenWrite(filePath))
+            {
+                _jsonSerializer.SerializeToStream(spr, fileStream);
+                await fileStream.FlushAsync().ConfigureAwait(false);
+            }
+
+            return new ForgotPasswordResult
+            {
+                Action = ForgotPasswordAction.PinCode,
+                PinExpirationDate = expireTime,
+                PinFile = filePath
+            };
+        }
+
+        private class SerializablePasswordReset : PasswordPinCreationResult
+        {
+            public string Pin { get; set; }
+
+            public string UserName { get; set; }
+        }
+    }
+}
diff --git a/Emby.Server.Implementations/Library/ExclusiveLiveStream.cs b/Emby.Server.Implementations/Library/ExclusiveLiveStream.cs
index 45a33a296..a3c879f12 100644
--- a/Emby.Server.Implementations/Library/ExclusiveLiveStream.cs
+++ b/Emby.Server.Implementations/Library/ExclusiveLiveStream.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Globalization;
 using System.Threading;
 using System.Threading.Tasks;
 using MediaBrowser.Controller.Library;
@@ -26,7 +27,7 @@ namespace Emby.Server.Implementations.Library
             EnableStreamSharing = false;
             _closeFn = closeFn;
             ConsumerCount = 1;
-            UniqueId = Guid.NewGuid().ToString("N");
+            UniqueId = Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture);
         }
 
         public Task Close()
diff --git a/Emby.Server.Implementations/Library/InvalidAuthProvider.cs b/Emby.Server.Implementations/Library/InvalidAuthProvider.cs
index 25d233137..6956369dc 100644
--- a/Emby.Server.Implementations/Library/InvalidAuthProvider.cs
+++ b/Emby.Server.Implementations/Library/InvalidAuthProvider.cs
@@ -1,6 +1,3 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
 using System.Threading.Tasks;
 using MediaBrowser.Controller.Authentication;
 using MediaBrowser.Controller.Entities;
@@ -16,12 +13,12 @@ namespace Emby.Server.Implementations.Library
 
         public Task<ProviderAuthenticationResult> Authenticate(string username, string password)
         {
-            throw new SecurityException("User Account cannot login with this provider. The Normal provider for this user cannot be found");
+            throw new AuthenticationException("User Account cannot login with this provider. The Normal provider for this user cannot be found");
         }
 
-        public Task<bool> HasPassword(User user)
+        public bool HasPassword(User user)
         {
-            return Task.FromResult(true);
+            return true;
         }
 
         public Task ChangePassword(User user, string newPassword)
@@ -31,7 +28,7 @@ namespace Emby.Server.Implementations.Library
 
         public void ChangeEasyPassword(User user, string newPassword, string newPasswordHash)
         {
-            // Nothing here   
+            // Nothing here
         }
 
         public string GetPasswordHash(User user)
diff --git a/Emby.Server.Implementations/Library/LibraryManager.cs b/Emby.Server.Implementations/Library/LibraryManager.cs
index 4b5063ada..87e951f25 100644
--- a/Emby.Server.Implementations/Library/LibraryManager.cs
+++ b/Emby.Server.Implementations/Library/LibraryManager.cs
@@ -779,12 +779,23 @@ namespace Emby.Server.Implementations.Library
                     {
                         var userRootPath = ConfigurationManager.ApplicationPaths.DefaultUserViewsPath;
 
+                        _logger.LogDebug("Creating userRootPath at {path}", userRootPath);
                         Directory.CreateDirectory(userRootPath);
 
-                        var tmpItem = GetItemById(GetNewItemId(userRootPath, typeof(UserRootFolder))) as UserRootFolder;
+                        var newItemId = GetNewItemId(userRootPath, typeof(UserRootFolder));
+                        UserRootFolder tmpItem = null;
+                        try
+                        {
+                            tmpItem = GetItemById(newItemId) as UserRootFolder;
+                        }
+                        catch (Exception ex)
+                        {
+                            _logger.LogError(ex, "Error creating UserRootFolder {path}", newItemId);
+                        }
 
                         if (tmpItem == null)
                         {
+                            _logger.LogDebug("Creating new userRootFolder with DeepCopy");
                             tmpItem = ((Folder)ResolvePath(_fileSystem.GetDirectoryInfo(userRootPath))).DeepCopy<Folder, UserRootFolder>();
                         }
 
@@ -796,6 +807,7 @@ namespace Emby.Server.Implementations.Library
                         }
 
                         _userRootFolder = tmpItem;
+                        _logger.LogDebug("Setting userRootFolder: {folder}", _userRootFolder);
                     }
                 }
             }
@@ -1146,8 +1158,10 @@ namespace Emby.Server.Implementations.Library
 
         public List<VirtualFolderInfo> GetVirtualFolders(bool includeRefreshState)
         {
+            _logger.LogDebug("Getting topLibraryFolders");
             var topLibraryFolders = GetUserRootFolder().Children.ToList();
 
+            _logger.LogDebug("Getting refreshQueue");
             var refreshQueue = includeRefreshState ? _providerManagerFactory().GetRefreshQueue() : null;
 
             return _fileSystem.GetDirectoryPaths(ConfigurationManager.ApplicationPaths.DefaultUserViewsPath)
@@ -1187,12 +1201,12 @@ namespace Emby.Server.Implementations.Library
 
             if (libraryFolder != null && libraryFolder.HasImage(ImageType.Primary))
             {
-                info.PrimaryImageItemId = libraryFolder.Id.ToString("N");
+                info.PrimaryImageItemId = libraryFolder.Id.ToString("N", CultureInfo.InvariantCulture);
             }
 
             if (libraryFolder != null)
             {
-                info.ItemId = libraryFolder.Id.ToString("N");
+                info.ItemId = libraryFolder.Id.ToString("N", CultureInfo.InvariantCulture);
                 info.LibraryOptions = GetLibraryOptions(libraryFolder);
 
                 if (refreshQueue != null)
@@ -1441,7 +1455,7 @@ namespace Emby.Server.Implementations.Library
 
             return new QueryResult<BaseItem>
             {
-                Items = list.ToArray()
+                Items = list
             };
         }
 
@@ -1977,8 +1991,7 @@ namespace Emby.Server.Implementations.Library
 
         public LibraryOptions GetLibraryOptions(BaseItem item)
         {
-            var collectionFolder = item as CollectionFolder;
-            if (collectionFolder == null)
+            if (!(item is CollectionFolder collectionFolder))
             {
                 collectionFolder = GetCollectionFolders(item)
                    .OfType<CollectionFolder>()
@@ -2135,12 +2148,12 @@ namespace Emby.Server.Implementations.Library
             string viewType,
             string sortName)
         {
-            var parentIdString = parentId.Equals(Guid.Empty) ? null : parentId.ToString("N");
-            var idValues = "38_namedview_" + name + user.Id.ToString("N") + (parentIdString ?? string.Empty) + (viewType ?? string.Empty);
+            var parentIdString = parentId.Equals(Guid.Empty) ? null : parentId.ToString("N", CultureInfo.InvariantCulture);
+            var idValues = "38_namedview_" + name + user.Id.ToString("N", CultureInfo.InvariantCulture) + (parentIdString ?? string.Empty) + (viewType ?? string.Empty);
 
             var id = GetNewItemId(idValues, typeof(UserView));
 
-            var path = Path.Combine(ConfigurationManager.ApplicationPaths.InternalMetadataPath, "views", id.ToString("N"));
+            var path = Path.Combine(ConfigurationManager.ApplicationPaths.InternalMetadataPath, "views", id.ToString("N", CultureInfo.InvariantCulture));
 
             var item = GetItemById(id) as UserView;
 
@@ -2271,7 +2284,7 @@ namespace Emby.Server.Implementations.Library
                 throw new ArgumentNullException(nameof(name));
             }
 
-            var parentIdString = parentId.Equals(Guid.Empty) ? null : parentId.ToString("N");
+            var parentIdString = parentId.Equals(Guid.Empty) ? null : parentId.ToString("N", CultureInfo.InvariantCulture);
             var idValues = "37_namedview_" + name + (parentIdString ?? string.Empty) + (viewType ?? string.Empty);
             if (!string.IsNullOrEmpty(uniqueId))
             {
@@ -2280,7 +2293,7 @@ namespace Emby.Server.Implementations.Library
 
             var id = GetNewItemId(idValues, typeof(UserView));
 
-            var path = Path.Combine(ConfigurationManager.ApplicationPaths.InternalMetadataPath, "views", id.ToString("N"));
+            var path = Path.Combine(ConfigurationManager.ApplicationPaths.InternalMetadataPath, "views", id.ToString("N", CultureInfo.InvariantCulture));
 
             var item = GetItemById(id) as UserView;
 
diff --git a/Emby.Server.Implementations/Library/LiveStreamHelper.cs b/Emby.Server.Implementations/Library/LiveStreamHelper.cs
index c3082a78a..33e6f2434 100644
--- a/Emby.Server.Implementations/Library/LiveStreamHelper.cs
+++ b/Emby.Server.Implementations/Library/LiveStreamHelper.cs
@@ -40,7 +40,7 @@ namespace Emby.Server.Implementations.Library
             var now = DateTime.UtcNow;
 
             MediaInfo mediaInfo = null;
-            var cacheFilePath = string.IsNullOrEmpty(cacheKey) ? null : Path.Combine(_appPaths.CachePath, "mediainfo", cacheKey.GetMD5().ToString("N") + ".json");
+            var cacheFilePath = string.IsNullOrEmpty(cacheKey) ? null : Path.Combine(_appPaths.CachePath, "mediainfo", cacheKey.GetMD5().ToString("N", CultureInfo.InvariantCulture) + ".json");
 
             if (!string.IsNullOrEmpty(cacheKey))
             {
diff --git a/Emby.Server.Implementations/Library/MediaSourceManager.cs b/Emby.Server.Implementations/Library/MediaSourceManager.cs
index 24ab8e761..d83e1fc02 100644
--- a/Emby.Server.Implementations/Library/MediaSourceManager.cs
+++ b/Emby.Server.Implementations/Library/MediaSourceManager.cs
@@ -269,7 +269,7 @@ namespace Emby.Server.Implementations.Library
 
         private static void SetKeyProperties(IMediaSourceProvider provider, MediaSourceInfo mediaSource)
         {
-            var prefix = provider.GetType().FullName.GetMD5().ToString("N") + LiveStreamIdDelimeter;
+            var prefix = provider.GetType().FullName.GetMD5().ToString("N", CultureInfo.InvariantCulture) + LiveStreamIdDelimeter;
 
             if (!string.IsNullOrEmpty(mediaSource.OpenToken) && !mediaSource.OpenToken.StartsWith(prefix, StringComparison.OrdinalIgnoreCase))
             {
@@ -626,7 +626,7 @@ namespace Emby.Server.Implementations.Library
             var now = DateTime.UtcNow;
 
             MediaInfo mediaInfo = null;
-            var cacheFilePath = string.IsNullOrEmpty(cacheKey) ? null : Path.Combine(_appPaths.CachePath, "mediainfo", cacheKey.GetMD5().ToString("N") + ".json");
+            var cacheFilePath = string.IsNullOrEmpty(cacheKey) ? null : Path.Combine(_appPaths.CachePath, "mediainfo", cacheKey.GetMD5().ToString("N", CultureInfo.InvariantCulture) + ".json");
 
             if (!string.IsNullOrEmpty(cacheKey))
             {
@@ -854,7 +854,7 @@ namespace Emby.Server.Implementations.Library
 
             var keys = key.Split(new[] { LiveStreamIdDelimeter }, 2);
 
-            var provider = _providers.FirstOrDefault(i => string.Equals(i.GetType().FullName.GetMD5().ToString("N"), keys[0], StringComparison.OrdinalIgnoreCase));
+            var provider = _providers.FirstOrDefault(i => string.Equals(i.GetType().FullName.GetMD5().ToString("N", CultureInfo.InvariantCulture), keys[0], StringComparison.OrdinalIgnoreCase));
 
             var splitIndex = key.IndexOf(LiveStreamIdDelimeter);
             var keyId = key.Substring(splitIndex + 1);
diff --git a/Emby.Server.Implementations/Library/UserDataManager.cs b/Emby.Server.Implementations/Library/UserDataManager.cs
index dfa1edaff..36adc0b9c 100644
--- a/Emby.Server.Implementations/Library/UserDataManager.cs
+++ b/Emby.Server.Implementations/Library/UserDataManager.cs
@@ -152,7 +152,7 @@ namespace Emby.Server.Implementations.Library
         /// <returns>System.String.</returns>
         private static string GetCacheKey(long internalUserId, Guid itemId)
         {
-            return internalUserId.ToString(CultureInfo.InvariantCulture) + "-" + itemId.ToString("N");
+            return internalUserId.ToString(CultureInfo.InvariantCulture) + "-" + itemId.ToString("N", CultureInfo.InvariantCulture);
         }
 
         public UserItemData GetUserData(User user, BaseItem item)
diff --git a/Emby.Server.Implementations/Library/UserManager.cs b/Emby.Server.Implementations/Library/UserManager.cs
index 1701ced42..52b2f56ff 100644
--- a/Emby.Server.Implementations/Library/UserManager.cs
+++ b/Emby.Server.Implementations/Library/UserManager.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Globalization;
 using System.IO;
@@ -7,24 +8,22 @@ using System.Text;
 using System.Text.RegularExpressions;
 using System.Threading;
 using System.Threading.Tasks;
+using MediaBrowser.Common.Cryptography;
 using MediaBrowser.Common.Events;
 using MediaBrowser.Common.Net;
 using MediaBrowser.Controller;
 using MediaBrowser.Controller.Authentication;
-using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Devices;
 using MediaBrowser.Controller.Drawing;
 using MediaBrowser.Controller.Dto;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Library;
-using MediaBrowser.Controller.Net;
 using MediaBrowser.Controller.Persistence;
 using MediaBrowser.Controller.Plugins;
 using MediaBrowser.Controller.Providers;
 using MediaBrowser.Controller.Security;
 using MediaBrowser.Controller.Session;
 using MediaBrowser.Model.Configuration;
-using MediaBrowser.Model.Cryptography;
 using MediaBrowser.Model.Dto;
 using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.Events;
@@ -32,6 +31,7 @@ using MediaBrowser.Model.IO;
 using MediaBrowser.Model.Serialization;
 using MediaBrowser.Model.Users;
 using Microsoft.Extensions.Logging;
+using static MediaBrowser.Common.HexHelper;
 
 namespace Emby.Server.Implementations.Library
 {
@@ -41,34 +41,19 @@ namespace Emby.Server.Implementations.Library
     public class UserManager : IUserManager
     {
         /// <summary>
-        /// Gets the users.
-        /// </summary>
-        /// <value>The users.</value>
-        public IEnumerable<User> Users => _users;
-
-        private User[] _users;
-
-        /// <summary>
         /// The _logger
         /// </summary>
         private readonly ILogger _logger;
 
-        /// <summary>
-        /// Gets or sets the configuration manager.
-        /// </summary>
-        /// <value>The configuration manager.</value>
-        private IServerConfigurationManager ConfigurationManager { get; set; }
+        private readonly object _policySyncLock = new object();
 
         /// <summary>
         /// Gets the active user repository
         /// </summary>
         /// <value>The user repository.</value>
-        private IUserRepository UserRepository { get; set; }
-        public event EventHandler<GenericEventArgs<User>> UserPasswordChanged;
-
+        private readonly IUserRepository _userRepository;
         private readonly IXmlSerializer _xmlSerializer;
         private readonly IJsonSerializer _jsonSerializer;
-
         private readonly INetworkManager _networkManager;
 
         private readonly Func<IImageProcessor> _imageProcessorFactory;
@@ -76,6 +61,8 @@ namespace Emby.Server.Implementations.Library
         private readonly IServerApplicationHost _appHost;
         private readonly IFileSystem _fileSystem;
 
+        private ConcurrentDictionary<Guid, User> _users;
+
         private IAuthenticationProvider[] _authenticationProviders;
         private DefaultAuthenticationProvider _defaultAuthenticationProvider;
 
@@ -85,8 +72,7 @@ namespace Emby.Server.Implementations.Library
         private DefaultPasswordResetProvider _defaultPasswordResetProvider;
 
         public UserManager(
-            ILoggerFactory loggerFactory,
-            IServerConfigurationManager configurationManager,
+            ILogger<UserManager> logger,
             IUserRepository userRepository,
             IXmlSerializer xmlSerializer,
             INetworkManager networkManager,
@@ -96,8 +82,8 @@ namespace Emby.Server.Implementations.Library
             IJsonSerializer jsonSerializer,
             IFileSystem fileSystem)
         {
-            _logger = loggerFactory.CreateLogger(nameof(UserManager));
-            UserRepository = userRepository;
+            _logger = logger;
+            _userRepository = userRepository;
             _xmlSerializer = xmlSerializer;
             _networkManager = networkManager;
             _imageProcessorFactory = imageProcessorFactory;
@@ -105,8 +91,51 @@ namespace Emby.Server.Implementations.Library
             _appHost = appHost;
             _jsonSerializer = jsonSerializer;
             _fileSystem = fileSystem;
-            ConfigurationManager = configurationManager;
-            _users = Array.Empty<User>();
+            _users = null;
+        }
+
+        public event EventHandler<GenericEventArgs<User>> UserPasswordChanged;
+
+        /// <summary>
+        /// Occurs when [user updated].
+        /// </summary>
+        public event EventHandler<GenericEventArgs<User>> UserUpdated;
+
+        public event EventHandler<GenericEventArgs<User>> UserPolicyUpdated;
+
+        public event EventHandler<GenericEventArgs<User>> UserConfigurationUpdated;
+
+        public event EventHandler<GenericEventArgs<User>> UserLockedOut;
+
+        public event EventHandler<GenericEventArgs<User>> UserCreated;
+
+        /// <summary>
+        /// Occurs when [user deleted].
+        /// </summary>
+        public event EventHandler<GenericEventArgs<User>> UserDeleted;
+
+        /// <inheritdoc />
+        public IEnumerable<User> Users => _users.Values;
+
+        /// <inheritdoc />
+        public IEnumerable<Guid> UsersIds => _users.Keys;
+
+        /// <summary>
+        /// Called when [user updated].
+        /// </summary>
+        /// <param name="user">The user.</param>
+        private void OnUserUpdated(User user)
+        {
+            UserUpdated?.Invoke(this, new GenericEventArgs<User> { Argument = user });
+        }
+
+        /// <summary>
+        /// Called when [user deleted].
+        /// </summary>
+        /// <param name="user">The user.</param>
+        private void OnUserDeleted(User user)
+        {
+            UserDeleted?.Invoke(this, new GenericEventArgs<User> { Argument = user });
         }
 
         public NameIdPair[] GetAuthenticationProviders()
@@ -137,7 +166,7 @@ namespace Emby.Server.Implementations.Library
                 .ToArray();
         }
 
-        public void AddParts(IEnumerable<IAuthenticationProvider> authenticationProviders,IEnumerable<IPasswordResetProvider> passwordResetProviders)
+        public void AddParts(IEnumerable<IAuthenticationProvider> authenticationProviders, IEnumerable<IPasswordResetProvider> passwordResetProviders)
         {
             _authenticationProviders = authenticationProviders.ToArray();
 
@@ -150,54 +179,21 @@ namespace Emby.Server.Implementations.Library
             _defaultPasswordResetProvider = passwordResetProviders.OfType<DefaultPasswordResetProvider>().First();
         }
 
-        #region UserUpdated Event
         /// <summary>
-        /// Occurs when [user updated].
-        /// </summary>
-        public event EventHandler<GenericEventArgs<User>> UserUpdated;
-        public event EventHandler<GenericEventArgs<User>> UserPolicyUpdated;
-        public event EventHandler<GenericEventArgs<User>> UserConfigurationUpdated;
-        public event EventHandler<GenericEventArgs<User>> UserLockedOut;
-
-        /// <summary>
-        /// Called when [user updated].
-        /// </summary>
-        /// <param name="user">The user.</param>
-        private void OnUserUpdated(User user)
-        {
-            UserUpdated?.Invoke(this, new GenericEventArgs<User> { Argument = user });
-        }
-        #endregion
-
-        #region UserDeleted Event
-        /// <summary>
-        /// Occurs when [user deleted].
-        /// </summary>
-        public event EventHandler<GenericEventArgs<User>> UserDeleted;
-        /// <summary>
-        /// Called when [user deleted].
-        /// </summary>
-        /// <param name="user">The user.</param>
-        private void OnUserDeleted(User user)
-        {
-            UserDeleted?.Invoke(this, new GenericEventArgs<User> { Argument = user });
-        }
-        #endregion
-
-        /// <summary>
-        /// Gets a User by Id
+        /// Gets a User by Id.
         /// </summary>
         /// <param name="id">The id.</param>
         /// <returns>User.</returns>
-        /// <exception cref="ArgumentNullException"></exception>
+        /// <exception cref="ArgumentException"></exception>
         public User GetUserById(Guid id)
         {
             if (id == Guid.Empty)
             {
-                throw new ArgumentException(nameof(id), "Guid can't be empty");
+                throw new ArgumentException("Guid can't be empty", nameof(id));
             }
 
-            return Users.FirstOrDefault(u => u.Id == id);
+            _users.TryGetValue(id, out User user);
+            return user;
         }
 
         /// <summary>
@@ -206,15 +202,13 @@ namespace Emby.Server.Implementations.Library
         /// <param name="id">The identifier.</param>
         /// <returns>User.</returns>
         public User GetUserById(string id)
-        {
-            return GetUserById(new Guid(id));
-        }
+            => GetUserById(new Guid(id));
 
         public User GetUserByName(string name)
         {
             if (string.IsNullOrWhiteSpace(name))
             {
-                throw new ArgumentNullException(nameof(name));
+                throw new ArgumentException("Invalid username", nameof(name));
             }
 
             return Users.FirstOrDefault(u => string.Equals(u.Name, name, StringComparison.OrdinalIgnoreCase));
@@ -222,8 +216,9 @@ namespace Emby.Server.Implementations.Library
 
         public void Initialize()
         {
-            var users = LoadUsers();
-            _users = users.ToArray();
+            LoadUsers();
+
+            var users = Users;
 
             // If there are no local users with admin rights, make them all admins
             if (!users.Any(i => i.Policy.IsAdministrator))
@@ -240,14 +235,12 @@ namespace Emby.Server.Implementations.Library
         {
             // This is some regex that matches only on unicode "word" characters, as well as -, _ and @
             // In theory this will cut out most if not all 'control' characters which should help minimize any weirdness
-             // Usernames can contain letters (a-z + whatever else unicode is cool with), numbers (0-9), at-signs (@), dashes (-), underscores (_), apostrophes ('), and periods (.)
+            // Usernames can contain letters (a-z + whatever else unicode is cool with), numbers (0-9), at-signs (@), dashes (-), underscores (_), apostrophes ('), and periods (.)
             return Regex.IsMatch(username, @"^[\w\-'._@]*$");
         }
 
         private static bool IsValidUsernameCharacter(char i)
-        {
-            return IsValidUsername(i.ToString());
-        }
+            => IsValidUsername(i.ToString(CultureInfo.InvariantCulture));
 
         public string MakeValidUsername(string username)
         {
@@ -266,6 +259,7 @@ namespace Emby.Server.Implementations.Library
                     builder.Append(c);
                 }
             }
+
             return builder.ToString();
         }
 
@@ -276,35 +270,31 @@ namespace Emby.Server.Implementations.Library
                 throw new ArgumentNullException(nameof(username));
             }
 
-            var user = Users
-                .FirstOrDefault(i => string.Equals(username, i.Name, StringComparison.OrdinalIgnoreCase));
+            var user = Users.FirstOrDefault(i => string.Equals(username, i.Name, StringComparison.OrdinalIgnoreCase));
 
             var success = false;
-            string updatedUsername = null;
             IAuthenticationProvider authenticationProvider = null;
 
             if (user != null)
             {
                 var authResult = await AuthenticateLocalUser(username, password, hashedPassword, user, remoteEndPoint).ConfigureAwait(false);
-                authenticationProvider = authResult.Item1;
-                updatedUsername = authResult.Item2;
-                success = authResult.Item3;
+                authenticationProvider = authResult.authenticationProvider;
+                success = authResult.success;
             }
             else
             {
                 // user is null
                 var authResult = await AuthenticateLocalUser(username, password, hashedPassword, null, remoteEndPoint).ConfigureAwait(false);
-                authenticationProvider = authResult.Item1;
-                updatedUsername = authResult.Item2;
-                success = authResult.Item3;
+                authenticationProvider = authResult.authenticationProvider;
+                string updatedUsername = authResult.username;
+                success = authResult.success;
 
-                if (success && authenticationProvider != null && !(authenticationProvider is DefaultAuthenticationProvider))
+                if (success
+                    && authenticationProvider != null
+                    && !(authenticationProvider is DefaultAuthenticationProvider))
                 {
                     // We should trust the user that the authprovider says, not what was typed
-                    if (updatedUsername != username)
-                    {
-                        username = updatedUsername;
-                    }
+                    username = updatedUsername;
 
                     // Search the database for the user again; the authprovider might have created it
                     user = Users
@@ -331,22 +321,26 @@ namespace Emby.Server.Implementations.Library
 
             if (user == null)
             {
-                throw new SecurityException("Invalid username or password entered.");
+                throw new AuthenticationException("Invalid username or password entered.");
             }
 
             if (user.Policy.IsDisabled)
             {
-                throw new SecurityException(string.Format("The {0} account is currently disabled. Please consult with your administrator.", user.Name));
+                throw new AuthenticationException(
+                    string.Format(
+                        CultureInfo.InvariantCulture,
+                        "The {0} account is currently disabled. Please consult with your administrator.",
+                        user.Name));
             }
 
             if (!user.Policy.EnableRemoteAccess && !_networkManager.IsInLocalNetwork(remoteEndPoint))
             {
-                throw new SecurityException("Forbidden.");
+                throw new AuthenticationException("Forbidden.");
             }
 
             if (!user.IsParentalScheduleAllowed())
             {
-                throw new SecurityException("User is not allowed access at this time.");
+                throw new AuthenticationException("User is not allowed access at this time.");
             }
 
             // Update LastActivityDate and LastLoginDate, then save
@@ -357,11 +351,12 @@ namespace Emby.Server.Implementations.Library
                     user.LastActivityDate = user.LastLoginDate = DateTime.UtcNow;
                     UpdateUser(user);
                 }
-                UpdateInvalidLoginAttemptCount(user, 0);
+
+                ResetInvalidLoginAttemptCount(user);
             }
             else
             {
-                UpdateInvalidLoginAttemptCount(user, user.Policy.InvalidLoginAttemptCount + 1);
+                IncrementInvalidLoginAttemptCount(user);
             }
 
             _logger.LogInformation("Authentication request for {0} {1}.", user.Name, success ? "has succeeded" : "has been denied");
@@ -381,7 +376,7 @@ namespace Emby.Server.Implementations.Library
 
         private IAuthenticationProvider GetAuthenticationProvider(User user)
         {
-            return GetAuthenticationProviders(user).First();
+            return GetAuthenticationProviders(user)[0];
         }
 
         private IPasswordResetProvider GetPasswordResetProvider(User user)
@@ -391,7 +386,7 @@ namespace Emby.Server.Implementations.Library
 
         private IAuthenticationProvider[] GetAuthenticationProviders(User user)
         {
-            var authenticationProviderId = user == null ? null : user.Policy.AuthenticationProviderId;
+            var authenticationProviderId = user?.Policy.AuthenticationProviderId;
 
             var providers = _authenticationProviders.Where(i => i.IsEnabled).ToArray();
 
@@ -429,139 +424,112 @@ namespace Emby.Server.Implementations.Library
             return providers;
         }
 
-        private async Task<Tuple<string, bool>> AuthenticateWithProvider(IAuthenticationProvider provider, string username, string password, User resolvedUser)
+        private async Task<(string username, bool success)> AuthenticateWithProvider(IAuthenticationProvider provider, string username, string password, User resolvedUser)
         {
             try
             {
-                var requiresResolvedUser = provider as IRequiresResolvedUser;
-                ProviderAuthenticationResult authenticationResult = null;
-                if (requiresResolvedUser != null)
-                {
-                    authenticationResult = await requiresResolvedUser.Authenticate(username, password, resolvedUser).ConfigureAwait(false);
-                }
-                else
-                {
-                    authenticationResult = await provider.Authenticate(username, password).ConfigureAwait(false);
-                }
 
-                if(authenticationResult.Username != username)
+                var authenticationResult = provider is IRequiresResolvedUser requiresResolvedUser
+                    ? await requiresResolvedUser.Authenticate(username, password, resolvedUser).ConfigureAwait(false)
+                    : await provider.Authenticate(username, password).ConfigureAwait(false);
+
+                if (authenticationResult.Username != username)
                 {
                     _logger.LogDebug("Authentication provider provided updated username {1}", authenticationResult.Username);
                     username = authenticationResult.Username;
                 }
 
-                return new Tuple<string, bool>(username, true);
+                return (username, true);
             }
-            catch (Exception ex)
+            catch (AuthenticationException ex)
             {
-                _logger.LogError(ex, "Error authenticating with provider {provider}", provider.Name);
+                _logger.LogError(ex, "Error authenticating with provider {Provider}", provider.Name);
 
-                return new Tuple<string, bool>(username, false);
+                return (username, false);
             }
         }
 
-        private async Task<Tuple<IAuthenticationProvider, string, bool>> AuthenticateLocalUser(string username, string password, string hashedPassword, User user, string remoteEndPoint)
+        private async Task<(IAuthenticationProvider authenticationProvider, string username, bool success)> AuthenticateLocalUser(
+            string username,
+            string password,
+            string hashedPassword,
+            User user,
+            string remoteEndPoint)
         {
-            string updatedUsername = null;
             bool success = false;
             IAuthenticationProvider authenticationProvider = null;
 
-            if (password != null && user != null)
+            foreach (var provider in GetAuthenticationProviders(user))
             {
-                // Doesn't look like this is even possible to be used, because of password == null checks below
-                hashedPassword = _defaultAuthenticationProvider.GetHashedString(user, password);
-            }
+                var providerAuthResult = await AuthenticateWithProvider(provider, username, password, user).ConfigureAwait(false);
+                var updatedUsername = providerAuthResult.username;
+                success = providerAuthResult.success;
 
-            if (password == null)
-            {
-                // legacy
-                success = string.Equals(GetAuthenticationProvider(user).GetPasswordHash(user), hashedPassword.Replace("-", string.Empty), StringComparison.OrdinalIgnoreCase);
-            }
-            else
-            {
-                foreach (var provider in GetAuthenticationProviders(user))
+                if (success)
                 {
-                    var providerAuthResult = await AuthenticateWithProvider(provider, username, password, user).ConfigureAwait(false);
-                    updatedUsername = providerAuthResult.Item1;
-                    success = providerAuthResult.Item2;
-
-                    if (success)
-                    {
-                        authenticationProvider = provider;
-                        username = updatedUsername;
-                        break;
-                    }
+                    authenticationProvider = provider;
+                    username = updatedUsername;
+                    break;
                 }
             }
 
-            if (user != null)
+            if (!success
+                && _networkManager.IsInLocalNetwork(remoteEndPoint)
+                && user.Configuration.EnableLocalPassword)
             {
-                if (!success && _networkManager.IsInLocalNetwork(remoteEndPoint) && user.Configuration.EnableLocalPassword)
-                {
-                    if (password == null)
-                    {
-                        // legacy
-                        success = string.Equals(GetAuthenticationProvider(user).GetEasyPasswordHash(user), hashedPassword.Replace("-", string.Empty), StringComparison.OrdinalIgnoreCase);
-                    }
-                    else
-                    {
-                        success = string.Equals(GetAuthenticationProvider(user).GetEasyPasswordHash(user), _defaultAuthenticationProvider.GetHashedString(user, password), StringComparison.OrdinalIgnoreCase);
-                    }
-                }
+                success = string.Equals(
+                    GetLocalPasswordHash(user),
+                    _defaultAuthenticationProvider.GetHashedString(user, password),
+                    StringComparison.OrdinalIgnoreCase);
             }
 
-            return new Tuple<IAuthenticationProvider, string, bool>(authenticationProvider, username, success);
+            return (authenticationProvider, username, success);
         }
 
-        private void UpdateInvalidLoginAttemptCount(User user, int newValue)
+        private string GetLocalPasswordHash(User user)
         {
-            if (user.Policy.InvalidLoginAttemptCount == newValue || newValue <= 0)
-            {
-                return;
-            }
-
-            user.Policy.InvalidLoginAttemptCount = newValue;
-
-            // Check for users without a value here and then fill in the default value
-            // also protect from an always lockout if misconfigured
-            if (user.Policy.LoginAttemptsBeforeLockout == null || user.Policy.LoginAttemptsBeforeLockout == 0)
-            {
-                user.Policy.LoginAttemptsBeforeLockout = user.Policy.IsAdministrator ? 5 : 3;
-            }
-
-            var maxCount = user.Policy.LoginAttemptsBeforeLockout;
+            return string.IsNullOrEmpty(user.EasyPassword)
+                ? null
+                : ToHexString(PasswordHash.Parse(user.EasyPassword).Hash);
+        }
 
-            var fireLockout = false;
+        private void ResetInvalidLoginAttemptCount(User user)
+        {
+            user.Policy.InvalidLoginAttemptCount = 0;
+            UpdateUserPolicy(user, user.Policy, false);
+        }
 
-            // -1 can be used to specify no lockout value
-            if (maxCount != -1 && newValue >= maxCount)
+        private void IncrementInvalidLoginAttemptCount(User user)
+        {
+            int invalidLogins = ++user.Policy.InvalidLoginAttemptCount;
+            int maxInvalidLogins = user.Policy.LoginAttemptsBeforeLockout;
+            if (maxInvalidLogins > 0
+                && invalidLogins >= maxInvalidLogins)
             {
-                _logger.LogDebug("Disabling user {0} due to {1} unsuccessful login attempts.", user.Name, newValue);
                 user.Policy.IsDisabled = true;
-
-                fireLockout = true;
+                UserLockedOut?.Invoke(this, new GenericEventArgs<User>(user));
+                _logger.LogWarning(
+                    "Disabling user {UserName} due to {Attempts} unsuccessful login attempts.",
+                    user.Name,
+                    invalidLogins);
             }
 
             UpdateUserPolicy(user, user.Policy, false);
-
-            if (fireLockout)
-            {
-                UserLockedOut?.Invoke(this, new GenericEventArgs<User>(user));
-            }
         }
 
         /// <summary>
-        /// Loads the users from the repository
+        /// Loads the users from the repository.
         /// </summary>
-        /// <returns>IEnumerable{User}.</returns>
-        private List<User> LoadUsers()
+        private void LoadUsers()
         {
-            var users = UserRepository.RetrieveAllUsers();
+            var users = _userRepository.RetrieveAllUsers();
 
             // There always has to be at least one user.
             if (users.Count != 0)
             {
-                return users;
+                _users = new ConcurrentDictionary<Guid, User>(
+                    users.Select(x => new KeyValuePair<Guid, User>(x.Id, x)));
+                return;
             }
 
             var defaultName = Environment.UserName;
@@ -576,14 +544,15 @@ namespace Emby.Server.Implementations.Library
 
             user.DateLastSaved = DateTime.UtcNow;
 
-            UserRepository.CreateUser(user);
+            _userRepository.CreateUser(user);
 
             user.Policy.IsAdministrator = true;
             user.Policy.EnableContentDeletion = true;
             user.Policy.EnableRemoteControlOfOtherUsers = true;
             UpdateUserPolicy(user, user.Policy, false);
 
-            return new List<User> { user };
+            _users = new ConcurrentDictionary<Guid, User>();
+            _users[user.Id] = user;
         }
 
         public UserDto GetUserDto(User user, string remoteEndPoint = null)
@@ -593,7 +562,7 @@ namespace Emby.Server.Implementations.Library
                 throw new ArgumentNullException(nameof(user));
             }
 
-            bool hasConfiguredPassword = GetAuthenticationProvider(user).HasPassword(user).Result;
+            bool hasConfiguredPassword = GetAuthenticationProvider(user).HasPassword(user);
             bool hasConfiguredEasyPassword = !string.IsNullOrEmpty(GetAuthenticationProvider(user).GetEasyPasswordHash(user));
 
             bool hasPassword = user.Configuration.EnableLocalPassword && !string.IsNullOrEmpty(remoteEndPoint) && _networkManager.IsInLocalNetwork(remoteEndPoint) ?
@@ -614,7 +583,7 @@ namespace Emby.Server.Implementations.Library
                 Policy = user.Policy
             };
 
-            if (!hasPassword && Users.Count() == 1)
+            if (!hasPassword && _users.Count == 1)
             {
                 dto.EnableAutoLogin = true;
             }
@@ -689,22 +658,26 @@ namespace Emby.Server.Implementations.Library
                 throw new ArgumentNullException(nameof(user));
             }
 
-            if (string.IsNullOrEmpty(newName))
+            if (string.IsNullOrWhiteSpace(newName))
             {
-                throw new ArgumentNullException(nameof(newName));
+                throw new ArgumentException("Invalid username", nameof(newName));
             }
 
-            if (Users.Any(u => u.Id != user.Id && u.Name.Equals(newName, StringComparison.OrdinalIgnoreCase)))
+            if (user.Name.Equals(newName, StringComparison.OrdinalIgnoreCase))
             {
-                throw new ArgumentException(string.Format("A user with the name '{0}' already exists.", newName));
+                throw new ArgumentException("The new and old names must be different.");
             }
 
-            if (user.Name.Equals(newName, StringComparison.Ordinal))
+            if (Users.Any(
+                u => u.Id != user.Id && u.Name.Equals(newName, StringComparison.OrdinalIgnoreCase)))
             {
-                throw new ArgumentException("The new and old names must be different.");
+                throw new ArgumentException(string.Format(
+                    CultureInfo.InvariantCulture,
+                    "A user with the name '{0}' already exists.",
+                    newName));
             }
 
-            await user.Rename(newName);
+            await user.Rename(newName).ConfigureAwait(false);
 
             OnUserUpdated(user);
         }
@@ -722,23 +695,30 @@ namespace Emby.Server.Implementations.Library
                 throw new ArgumentNullException(nameof(user));
             }
 
-            if (user.Id.Equals(Guid.Empty) || !Users.Any(u => u.Id.Equals(user.Id)))
+            if (user.Id == Guid.Empty)
             {
-                throw new ArgumentException(string.Format("User with name '{0}' and Id {1} does not exist.", user.Name, user.Id));
+                throw new ArgumentException("Id can't be empty.", nameof(user));
+            }
+
+            if (!_users.ContainsKey(user.Id))
+            {
+                throw new ArgumentException(
+                    string.Format(
+                        CultureInfo.InvariantCulture,
+                        "A user '{0}' with Id {1} does not exist.",
+                        user.Name,
+                        user.Id),
+                    nameof(user));
             }
 
             user.DateModified = DateTime.UtcNow;
             user.DateLastSaved = DateTime.UtcNow;
 
-            UserRepository.UpdateUser(user);
+            _userRepository.UpdateUser(user);
 
             OnUserUpdated(user);
         }
 
-        public event EventHandler<GenericEventArgs<User>> UserCreated;
-
-        private readonly SemaphoreSlim _userListLock = new SemaphoreSlim(1, 1);
-
         /// <summary>
         /// Creates the user.
         /// </summary>
@@ -746,7 +726,7 @@ namespace Emby.Server.Implementations.Library
         /// <returns>User.</returns>
         /// <exception cref="ArgumentNullException">name</exception>
         /// <exception cref="ArgumentException"></exception>
-        public async Task<User> CreateUser(string name)
+        public User CreateUser(string name)
         {
             if (string.IsNullOrWhiteSpace(name))
             {
@@ -763,28 +743,17 @@ namespace Emby.Server.Implementations.Library
                 throw new ArgumentException(string.Format("A user with the name '{0}' already exists.", name));
             }
 
-            await _userListLock.WaitAsync(CancellationToken.None).ConfigureAwait(false);
-
-            try
-            {
-                var user = InstantiateNewUser(name);
+            var user = InstantiateNewUser(name);
 
-                var list = Users.ToList();
-                list.Add(user);
-                _users = list.ToArray();
+            _users[user.Id] = user;
 
-                user.DateLastSaved = DateTime.UtcNow;
+            user.DateLastSaved = DateTime.UtcNow;
 
-                UserRepository.CreateUser(user);
+            _userRepository.CreateUser(user);
 
-                EventHelper.QueueEventIfNotNull(UserCreated, this, new GenericEventArgs<User> { Argument = user }, _logger);
+            EventHelper.QueueEventIfNotNull(UserCreated, this, new GenericEventArgs<User> { Argument = user }, _logger);
 
-                return user;
-            }
-            finally
-            {
-                _userListLock.Release();
-            }
+            return user;
         }
 
         /// <summary>
@@ -794,57 +763,59 @@ namespace Emby.Server.Implementations.Library
         /// <returns>Task.</returns>
         /// <exception cref="ArgumentNullException">user</exception>
         /// <exception cref="ArgumentException"></exception>
-        public async Task DeleteUser(User user)
+        public void DeleteUser(User user)
         {
             if (user == null)
             {
                 throw new ArgumentNullException(nameof(user));
             }
 
-            var allUsers = Users.ToList();
-
-            if (allUsers.FirstOrDefault(u => u.Id == user.Id) == null)
+            if (!_users.ContainsKey(user.Id))
             {
-                throw new ArgumentException(string.Format("The user cannot be deleted because there is no user with the Name {0} and Id {1}.", user.Name, user.Id));
+                throw new ArgumentException(string.Format(
+                    CultureInfo.InvariantCulture,
+                    "The user cannot be deleted because there is no user with the Name {0} and Id {1}.",
+                    user.Name,
+                    user.Id));
             }
 
-            if (allUsers.Count == 1)
+            if (_users.Count == 1)
             {
-                throw new ArgumentException(string.Format("The user '{0}' cannot be deleted because there must be at least one user in the system.", user.Name));
+                throw new ArgumentException(string.Format(
+                    CultureInfo.InvariantCulture,
+                    "The user '{0}' cannot be deleted because there must be at least one user in the system.",
+                    user.Name));
             }
 
-            if (user.Policy.IsAdministrator && allUsers.Count(i => i.Policy.IsAdministrator) == 1)
+            if (user.Policy.IsAdministrator
+                && Users.Count(i => i.Policy.IsAdministrator) == 1)
             {
-                throw new ArgumentException(string.Format("The user '{0}' cannot be deleted because there must be at least one admin user in the system.", user.Name));
+                throw new ArgumentException(
+                    string.Format(
+                        CultureInfo.InvariantCulture,
+                        "The user '{0}' cannot be deleted because there must be at least one admin user in the system.",
+                        user.Name),
+                    nameof(user));
             }
 
-            await _userListLock.WaitAsync(CancellationToken.None).ConfigureAwait(false);
+            var configPath = GetConfigurationFilePath(user);
+
+            _userRepository.DeleteUser(user);
 
             try
             {
-                var configPath = GetConfigurationFilePath(user);
-
-                UserRepository.DeleteUser(user);
-
-                try
-                {
-                    _fileSystem.DeleteFile(configPath);
-                }
-                catch (IOException ex)
-                {
-                    _logger.LogError(ex, "Error deleting file {path}", configPath);
-                }
-
-                DeleteUserPolicy(user);
-
-                _users = allUsers.Where(i => i.Id != user.Id).ToArray();
-
-                OnUserDeleted(user);
+                _fileSystem.DeleteFile(configPath);
             }
-            finally
+            catch (IOException ex)
             {
-                _userListLock.Release();
+                _logger.LogError(ex, "Error deleting file {path}", configPath);
             }
+
+            DeleteUserPolicy(user);
+
+            _users.TryRemove(user.Id, out _);
+
+            OnUserDeleted(user);
         }
 
         /// <summary>
@@ -901,8 +872,7 @@ namespace Emby.Server.Implementations.Library
                 Name = name,
                 Id = Guid.NewGuid(),
                 DateCreated = DateTime.UtcNow,
-                DateModified = DateTime.UtcNow,
-                UsesIdForConfigurationPath = true
+                DateModified = DateTime.UtcNow
             };
         }
 
@@ -984,7 +954,6 @@ namespace Emby.Server.Implementations.Library
             };
         }
 
-        private readonly object _policySyncLock = new object();
         public void UpdateUserPolicy(Guid userId, UserPolicy userPolicy)
         {
             var user = GetUserById(userId);
diff --git a/Emby.Server.Implementations/Library/UserViewManager.cs b/Emby.Server.Implementations/Library/UserViewManager.cs
index e9ce682ee..88e2a8fa6 100644
--- a/Emby.Server.Implementations/Library/UserViewManager.cs
+++ b/Emby.Server.Implementations/Library/UserViewManager.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using System.Threading;
 using MediaBrowser.Controller.Channels;
@@ -117,7 +118,7 @@ namespace Emby.Server.Implementations.Library
 
             if (!query.IncludeHidden)
             {
-                list = list.Where(i => !user.Configuration.MyMediaExcludes.Contains(i.Id.ToString("N"))).ToList();
+                list = list.Where(i => !user.Configuration.MyMediaExcludes.Contains(i.Id.ToString("N", CultureInfo.InvariantCulture))).ToList();
             }
 
             var sorted = _libraryManager.Sort(list, user, new[] { ItemSortBy.SortName }, SortOrder.Ascending).ToList();
@@ -127,7 +128,7 @@ namespace Emby.Server.Implementations.Library
             return list
                 .OrderBy(i =>
                 {
-                    var index = orders.IndexOf(i.Id.ToString("N"));
+                    var index = orders.IndexOf(i.Id.ToString("N", CultureInfo.InvariantCulture));
 
                     if (index == -1)
                     {
@@ -136,7 +137,7 @@ namespace Emby.Server.Implementations.Library
                         {
                             if (!view.DisplayParentId.Equals(Guid.Empty))
                             {
-                                index = orders.IndexOf(view.DisplayParentId.ToString("N"));
+                                index = orders.IndexOf(view.DisplayParentId.ToString("N", CultureInfo.InvariantCulture));
                             }
                         }
                     }
@@ -223,7 +224,7 @@ namespace Emby.Server.Implementations.Library
             return list;
         }
 
-        private List<BaseItem> GetItemsForLatestItems(User user, LatestItemsQuery request, DtoOptions options)
+        private IReadOnlyList<BaseItem> GetItemsForLatestItems(User user, LatestItemsQuery request, DtoOptions options)
         {
             var parentId = request.ParentId;
 
@@ -235,24 +236,22 @@ namespace Emby.Server.Implementations.Library
             if (!parentId.Equals(Guid.Empty))
             {
                 var parentItem = _libraryManager.GetItemById(parentId);
-                var parentItemChannel = parentItem as Channel;
-                if (parentItemChannel != null)
+                if (parentItem is Channel)
                 {
-                    return _channelManager.GetLatestChannelItemsInternal(new InternalItemsQuery(user)
-                    {
-                        ChannelIds = new[] { parentId },
-                        IsPlayed = request.IsPlayed,
-                        StartIndex = request.StartIndex,
-                        Limit = request.Limit,
-                        IncludeItemTypes = request.IncludeItemTypes,
-                        EnableTotalRecordCount = false
-
-
-                    }, CancellationToken.None).Result.Items.ToList();
+                    return _channelManager.GetLatestChannelItemsInternal(
+                        new InternalItemsQuery(user)
+                        {
+                            ChannelIds = new[] { parentId },
+                            IsPlayed = request.IsPlayed,
+                            StartIndex = request.StartIndex,
+                            Limit = request.Limit,
+                            IncludeItemTypes = request.IncludeItemTypes,
+                            EnableTotalRecordCount = false
+                        },
+                        CancellationToken.None).GetAwaiter().GetResult().Items;
                 }
 
-                var parent = parentItem as Folder;
-                if (parent != null)
+                if (parentItem is Folder parent)
                 {
                     parents.Add(parent);
                 }
@@ -269,7 +268,7 @@ namespace Emby.Server.Implementations.Library
             {
                 parents = _libraryManager.GetUserRootFolder().GetChildren(user, true)
                     .Where(i => i is Folder)
-                    .Where(i => !user.Configuration.LatestItemsExcludes.Contains(i.Id.ToString("N")))
+                    .Where(i => !user.Configuration.LatestItemsExcludes.Contains(i.Id.ToString("N", CultureInfo.InvariantCulture)))
                     .ToList();
             }
 
diff --git a/Emby.Server.Implementations/Library/Validators/ArtistsValidator.cs b/Emby.Server.Implementations/Library/Validators/ArtistsValidator.cs
index 294348660..b584cc649 100644
--- a/Emby.Server.Implementations/Library/Validators/ArtistsValidator.cs
+++ b/Emby.Server.Implementations/Library/Validators/ArtistsValidator.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Globalization;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
@@ -91,7 +92,7 @@ namespace Emby.Server.Implementations.Library.Validators
                     continue;
                 }
 
-                _logger.LogInformation("Deleting dead {2} {0} {1}.", item.Id.ToString("N"), item.Name, item.GetType().Name);
+                _logger.LogInformation("Deleting dead {2} {0} {1}.", item.Id.ToString("N", CultureInfo.InvariantCulture), item.Name, item.GetType().Name);
 
                 _libraryManager.DeleteItem(item, new DeleteOptions
                 {
diff --git a/Emby.Server.Implementations/Library/Validators/PeopleValidator.cs b/Emby.Server.Implementations/Library/Validators/PeopleValidator.cs
index 7899cf01b..d00c6cde1 100644
--- a/Emby.Server.Implementations/Library/Validators/PeopleValidator.cs
+++ b/Emby.Server.Implementations/Library/Validators/PeopleValidator.cs
@@ -1,7 +1,7 @@
 using System;
+using System.Globalization;
 using System.Threading;
 using System.Threading.Tasks;
-using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Providers;
@@ -96,7 +96,7 @@ namespace Emby.Server.Implementations.Library.Validators
 
             foreach (var item in deadEntities)
             {
-                _logger.LogInformation("Deleting dead {2} {0} {1}.", item.Id.ToString("N"), item.Name, item.GetType().Name);
+                _logger.LogInformation("Deleting dead {2} {0} {1}.", item.Id.ToString("N", CultureInfo.InvariantCulture), item.Name, item.GetType().Name);
 
                 _libraryManager.DeleteItem(item, new DeleteOptions
                 {
diff --git a/Emby.Server.Implementations/Library/Validators/StudiosValidator.cs b/Emby.Server.Implementations/Library/Validators/StudiosValidator.cs
index da4645a11..93ded9e7b 100644
--- a/Emby.Server.Implementations/Library/Validators/StudiosValidator.cs
+++ b/Emby.Server.Implementations/Library/Validators/StudiosValidator.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Globalization;
 using System.Threading;
 using System.Threading.Tasks;
 using MediaBrowser.Controller.Entities;
@@ -76,7 +77,7 @@ namespace Emby.Server.Implementations.Library.Validators
 
             foreach (var item in deadEntities)
             {
-                _logger.LogInformation("Deleting dead {2} {0} {1}.", item.Id.ToString("N"), item.Name, item.GetType().Name);
+                _logger.LogInformation("Deleting dead {2} {0} {1}.", item.Id.ToString("N", CultureInfo.InvariantCulture), item.Name, item.GetType().Name);
 
                 _libraryManager.DeleteItem(item, new DeleteOptions
                 {
diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs
index 7b210d231..da0013f12 100644
--- a/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs
+++ b/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs
@@ -102,7 +102,7 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
             _streamHelper = streamHelper;
 
             _seriesTimerProvider = new SeriesTimerManager(jsonSerializer, _logger, Path.Combine(DataPath, "seriestimers.json"));
-            _timerProvider = new TimerManager(jsonSerializer, _logger, Path.Combine(DataPath, "timers.json"), _logger);
+            _timerProvider = new TimerManager(jsonSerializer, _logger, Path.Combine(DataPath, "timers.json"));
             _timerProvider.TimerFired += _timerProvider_TimerFired;
 
             _config.NamedConfigurationUpdated += _config_NamedConfigurationUpdated;
@@ -681,7 +681,7 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
                 }
             }
 
-            timer.Id = Guid.NewGuid().ToString("N");
+            timer.Id = Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture);
 
             LiveTvProgram programInfo = null;
 
@@ -713,7 +713,7 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
 
         public async Task<string> CreateSeriesTimer(SeriesTimerInfo info, CancellationToken cancellationToken)
         {
-            info.Id = Guid.NewGuid().ToString("N");
+            info.Id = Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture);
 
             // populate info.seriesID
             var program = GetProgramInfoFromCache(info.ProgramId);
@@ -1059,7 +1059,7 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
             var json = _jsonSerializer.SerializeToString(mediaSource);
             mediaSource = _jsonSerializer.DeserializeFromString<MediaSourceInfo>(json);
 
-            mediaSource.Id = Guid.NewGuid().ToString("N") + "_" + mediaSource.Id;
+            mediaSource.Id = Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture) + "_" + mediaSource.Id;
 
             //if (mediaSource.DateLiveStreamOpened.HasValue && enableStreamSharing)
             //{
@@ -2529,7 +2529,7 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
             var timer = new TimerInfo
             {
                 ChannelId = channelId,
-                Id = (seriesTimer.Id + parent.ExternalId).GetMD5().ToString("N"),
+                Id = (seriesTimer.Id + parent.ExternalId).GetMD5().ToString("N", CultureInfo.InvariantCulture),
                 StartDate = parent.StartDate,
                 EndDate = parent.EndDate.Value,
                 ProgramId = parent.ExternalId,
diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/EncodedRecorder.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/EncodedRecorder.cs
index 9a9bae215..cc9c8e5d2 100644
--- a/Emby.Server.Implementations/LiveTv/EmbyTV/EncodedRecorder.cs
+++ b/Emby.Server.Implementations/LiveTv/EmbyTV/EncodedRecorder.cs
@@ -87,8 +87,6 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
                 CreateNoWindow = true,
                 UseShellExecute = false,
 
-                // Must consume both stdout and stderr or deadlocks may occur
-                //RedirectStandardOutput = true,
                 RedirectStandardError = true,
                 RedirectStandardInput = true,
 
@@ -120,9 +118,6 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
 
             cancellationToken.Register(Stop);
 
-            // MUST read both stdout and stderr asynchronously or a deadlock may occurr
-            //process.BeginOutputReadLine();
-
             onStarted();
 
             // Important - don't await the log task or we won't be able to kill ffmpeg when the user stops playback
@@ -138,11 +133,12 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
             string videoArgs;
             if (EncodeVideo(mediaSource))
             {
-                var maxBitrate = 25000000;
+                const int MaxBitrate = 25000000;
                 videoArgs = string.Format(
-                        "-codec:v:0 libx264 -force_key_frames \"expr:gte(t,n_forced*5)\" {0} -pix_fmt yuv420p -preset superfast -crf 23 -b:v {1} -maxrate {1} -bufsize ({1}*2) -vsync -1 -profile:v high -level 41",
-                        GetOutputSizeParam(),
-                        maxBitrate.ToString(CultureInfo.InvariantCulture));
+                    CultureInfo.InvariantCulture,
+                    "-codec:v:0 libx264 -force_key_frames \"expr:gte(t,n_forced*5)\" {0} -pix_fmt yuv420p -preset superfast -crf 23 -b:v {1} -maxrate {1} -bufsize ({1}*2) -vsync -1 -profile:v high -level 41",
+                    GetOutputSizeParam(),
+                    MaxBitrate);
             }
             else
             {
@@ -151,18 +147,17 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
 
             videoArgs += " -fflags +genpts";
 
-            var durationParam = " -t " + _mediaEncoder.GetTimeParameter(duration.Ticks);
-            durationParam = string.Empty;
-
             var flags = new List<string>();
             if (mediaSource.IgnoreDts)
             {
                 flags.Add("+igndts");
             }
+
             if (mediaSource.IgnoreIndex)
             {
                 flags.Add("+ignidx");
             }
+
             if (mediaSource.GenPtsInput)
             {
                 flags.Add("+genpts");
@@ -172,11 +167,9 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
 
             if (flags.Count > 0)
             {
-                inputModifier += " -fflags " + string.Join("", flags.ToArray());
+                inputModifier += " -fflags " + string.Join(string.Empty, flags);
             }
 
-            var videoStream = mediaSource.VideoStream;
-
             if (mediaSource.ReadAtNativeFramerate)
             {
                 inputModifier += " -re";
@@ -200,13 +193,14 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
 
             var outputParam = string.Empty;
 
-            var commandLineArgs = string.Format("-i \"{0}\"{5} {2} -map_metadata -1 -threads 0 {3}{4}{6} -y \"{1}\"",
+            var commandLineArgs = string.Format(
+                CultureInfo.InvariantCulture,
+                "-i \"{0}\" {2} -map_metadata -1 -threads 0 {3}{4}{5} -y \"{1}\"",
                 inputTempFile,
                 targetFile,
                 videoArgs,
                 GetAudioArgs(mediaSource),
                 subtitleArgs,
-                durationParam,
                 outputParam);
 
             return inputModifier + " " + commandLineArgs;
@@ -214,9 +208,6 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
 
         private static string GetAudioArgs(MediaSourceInfo mediaSource)
         {
-            var mediaStreams = mediaSource.MediaStreams ?? new List<MediaStream>();
-            var inputAudioCodec = mediaStreams.Where(i => i.Type == MediaStreamType.Audio).Select(i => i.Codec).FirstOrDefault() ?? string.Empty;
-
             return "-codec:a:0 copy";
 
             //var audioChannels = 2;
@@ -257,7 +248,6 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
                 {
                     _logger.LogInformation("Stopping ffmpeg recording process for {path}", _targetPath);
 
-                    //process.Kill();
                     _process.StandardInput.WriteLine("q");
                 }
                 catch (Exception ex)
@@ -309,44 +299,26 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
         {
             _hasExited = true;
 
-            DisposeLogStream();
+            _logFileStream?.Dispose();
+            _logFileStream = null;
 
-            try
-            {
-                var exitCode = process.ExitCode;
+            var exitCode = process.ExitCode;
 
-                _logger.LogInformation("FFMpeg recording exited with code {ExitCode} for {path}", exitCode, _targetPath);
+            _logger.LogInformation("FFMpeg recording exited with code {ExitCode} for {Path}", exitCode, _targetPath);
 
-                if (exitCode == 0)
-                {
-                    _taskCompletionSource.TrySetResult(true);
-                }
-                else
-                {
-                    _taskCompletionSource.TrySetException(new Exception(string.Format("Recording for {path} failed. Exit code {ExitCode}", _targetPath, exitCode)));
-                }
-            }
-            catch
+            if (exitCode == 0)
             {
-                _logger.LogError("FFMpeg recording exited with an error for {path}.", _targetPath);
-                _taskCompletionSource.TrySetException(new Exception(string.Format("Recording for {path} failed", _targetPath)));
+                _taskCompletionSource.TrySetResult(true);
             }
-        }
-
-        private void DisposeLogStream()
-        {
-            if (_logFileStream != null)
+            else
             {
-                try
-                {
-                    _logFileStream.Dispose();
-                }
-                catch (Exception ex)
-                {
-                    _logger.LogError(ex, "Error disposing recording log stream");
-                }
-
-                _logFileStream = null;
+                _taskCompletionSource.TrySetException(
+                    new Exception(
+                        string.Format(
+                            CultureInfo.InvariantCulture,
+                            "Recording for {0} failed. Exit code {1}",
+                            _targetPath,
+                            exitCode)));
             }
         }
 
diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/ItemDataProvider.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/ItemDataProvider.cs
index 9c45ee36a..9055a70a6 100644
--- a/Emby.Server.Implementations/LiveTv/EmbyTV/ItemDataProvider.cs
+++ b/Emby.Server.Implementations/LiveTv/EmbyTV/ItemDataProvider.cs
@@ -10,67 +10,64 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
     public class ItemDataProvider<T>
         where T : class
     {
-        private readonly object _fileDataLock = new object();
-        private List<T> _items;
         private readonly IJsonSerializer _jsonSerializer;
-        protected readonly ILogger Logger;
         private readonly string _dataPath;
-        protected readonly Func<T, T, bool> EqualityComparer;
+        private readonly object _fileDataLock = new object();
+        private T[] _items;
 
-        public ItemDataProvider(IJsonSerializer jsonSerializer, ILogger logger, string dataPath, Func<T, T, bool> equalityComparer)
+        public ItemDataProvider(
+            IJsonSerializer jsonSerializer,
+            ILogger logger,
+            string dataPath,
+            Func<T, T, bool> equalityComparer)
         {
+            _jsonSerializer = jsonSerializer;
             Logger = logger;
             _dataPath = dataPath;
             EqualityComparer = equalityComparer;
-            _jsonSerializer = jsonSerializer;
         }
 
-        public IReadOnlyList<T> GetAll()
-        {
-            lock (_fileDataLock)
-            {
-                if (_items == null)
-                {
-                    if (!File.Exists(_dataPath))
-                    {
-                        return new List<T>();
-                    }
-
-                    Logger.LogInformation("Loading live tv data from {0}", _dataPath);
-                    _items = GetItemsFromFile(_dataPath);
-                }
+        protected ILogger Logger { get; }
 
-                return _items.ToList();
-            }
-        }
+        protected Func<T, T, bool> EqualityComparer { get; }
 
-        private List<T> GetItemsFromFile(string path)
+        private void EnsureLoaded()
         {
-            try
+            if (_items != null)
             {
-                return _jsonSerializer.DeserializeFromFile<List<T>>(path);
+                return;
             }
-            catch (Exception ex)
+
+            if (File.Exists(_dataPath))
             {
-                Logger.LogError(ex, "Error deserializing {Path}", path);
+                Logger.LogInformation("Loading live tv data from {Path}", _dataPath);
+
+                try
+                {
+                    _items = _jsonSerializer.DeserializeFromFile<T[]>(_dataPath);
+                    return;
+                }
+                catch (Exception ex)
+                {
+                    Logger.LogError(ex, "Error deserializing {Path}", _dataPath);
+                }
             }
 
-            return new List<T>();
+            _items = Array.Empty<T>();
         }
 
-        private void UpdateList(List<T> newList)
+        private void SaveList()
         {
-            if (newList == null)
-            {
-                throw new ArgumentNullException(nameof(newList));
-            }
-
             Directory.CreateDirectory(Path.GetDirectoryName(_dataPath));
+            _jsonSerializer.SerializeToFile(_items, _dataPath);
+        }
 
+        public IReadOnlyList<T> GetAll()
+        {
             lock (_fileDataLock)
             {
-                _jsonSerializer.SerializeToFile(newList, _dataPath);
-                _items = newList;
+                EnsureLoaded();
+                return (T[])_items.Clone();
             }
         }
 
@@ -81,18 +78,20 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
                 throw new ArgumentNullException(nameof(item));
             }
 
-            var list = GetAll().ToList();
-
-            var index = list.FindIndex(i => EqualityComparer(i, item));
-
-            if (index == -1)
+            lock (_fileDataLock)
             {
-                throw new ArgumentException("item not found");
-            }
+                EnsureLoaded();
 
-            list[index] = item;
+                var index = Array.FindIndex(_items, i => EqualityComparer(i, item));
+                if (index == -1)
+                {
+                    throw new ArgumentException("item not found");
+                }
 
-            UpdateList(list);
+                _items[index] = item;
+
+                SaveList();
+            }
         }
 
         public virtual void Add(T item)
@@ -102,37 +101,58 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
                 throw new ArgumentNullException(nameof(item));
             }
 
-            var list = GetAll().ToList();
-
-            if (list.Any(i => EqualityComparer(i, item)))
+            lock (_fileDataLock)
             {
-                throw new ArgumentException("item already exists");
-            }
+                EnsureLoaded();
 
-            list.Add(item);
+                if (_items.Any(i => EqualityComparer(i, item)))
+                {
+                    throw new ArgumentException("item already exists", nameof(item));
+                }
 
-            UpdateList(list);
+                int oldLen = _items.Length;
+                var newList = new T[oldLen + 1];
+                _items.CopyTo(newList, 0);
+                newList[oldLen] = item;
+                _items = newList;
+
+                SaveList();
+            }
         }
 
-        public void AddOrUpdate(T item)
+        public virtual void AddOrUpdate(T item)
         {
-            var list = GetAll().ToList();
-
-            if (!list.Any(i => EqualityComparer(i, item)))
-            {
-                Add(item);
-            }
-            else
+            lock (_fileDataLock)
             {
-                Update(item);
+                EnsureLoaded();
+
+                int index = Array.FindIndex(_items, i => EqualityComparer(i, item));
+                if (index == -1)
+                {
+                    int oldLen = _items.Length;
+                    var newList = new T[oldLen + 1];
+                    _items.CopyTo(newList, 0);
+                    newList[oldLen] = item;
+                    _items = newList;
+                }
+                else
+                {
+                    _items[index] = item;
+                }
+
+                SaveList();
             }
         }
 
         public virtual void Delete(T item)
         {
-            var list = GetAll().Where(i => !EqualityComparer(i, item)).ToList();
+            lock (_fileDataLock)
+            {
+                EnsureLoaded();
+                _items = _items.Where(i => !EqualityComparer(i, item)).ToArray();
 
-            UpdateList(list);
+                SaveList();
+            }
         }
     }
 }
diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/TimerManager.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/TimerManager.cs
index 3c807a8ea..d09b281d4 100644
--- a/Emby.Server.Implementations/LiveTv/EmbyTV/TimerManager.cs
+++ b/Emby.Server.Implementations/LiveTv/EmbyTV/TimerManager.cs
@@ -14,21 +14,19 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
     public class TimerManager : ItemDataProvider<TimerInfo>
     {
         private readonly ConcurrentDictionary<string, Timer> _timers = new ConcurrentDictionary<string, Timer>(StringComparer.OrdinalIgnoreCase);
-        private readonly ILogger _logger;
 
-        public event EventHandler<GenericEventArgs<TimerInfo>> TimerFired;
-
-        public TimerManager(IJsonSerializer jsonSerializer, ILogger logger, string dataPath, ILogger logger1)
+        public TimerManager(IJsonSerializer jsonSerializer, ILogger logger, string dataPath)
             : base(jsonSerializer, logger, dataPath, (r1, r2) => string.Equals(r1.Id, r2.Id, StringComparison.OrdinalIgnoreCase))
         {
-            _logger = logger1;
         }
 
+        public event EventHandler<GenericEventArgs<TimerInfo>> TimerFired;
+
         public void RestartTimers()
         {
             StopTimers();
 
-            foreach (var item in GetAll().ToList())
+            foreach (var item in GetAll())
             {
                 AddOrUpdateSystemTimer(item);
             }
@@ -64,16 +62,13 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
                 return;
             }
 
-            var list = GetAll().ToList();
+            base.AddOrUpdate(item);
+        }
 
-            if (!list.Any(i => EqualityComparer(i, item)))
-            {
-                base.Add(item);
-            }
-            else
-            {
-                base.Update(item);
-            }
+        public override void AddOrUpdate(TimerInfo item)
+        {
+            base.AddOrUpdate(item);
+            AddOrUpdateSystemTimer(item);
         }
 
         public override void Add(TimerInfo item)
@@ -89,8 +84,8 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
 
         private static bool ShouldStartTimer(TimerInfo item)
         {
-            if (item.Status == RecordingStatus.Completed ||
-                item.Status == RecordingStatus.Cancelled)
+            if (item.Status == RecordingStatus.Completed
+                || item.Status == RecordingStatus.Cancelled)
             {
                 return false;
             }
@@ -126,12 +121,16 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
 
             if (_timers.TryAdd(item.Id, timer))
             {
-                _logger.LogInformation("Creating recording timer for {id}, {name}. Timer will fire in {minutes} minutes", item.Id, item.Name, dueTime.TotalMinutes.ToString(CultureInfo.InvariantCulture));
+                Logger.LogInformation(
+                    "Creating recording timer for {Id}, {Name}. Timer will fire in {Minutes} minutes",
+                    item.Id,
+                    item.Name,
+                    dueTime.TotalMinutes.ToString(CultureInfo.InvariantCulture));
             }
             else
             {
                 timer.Dispose();
-                _logger.LogWarning("Timer already exists for item {id}", item.Id);
+                Logger.LogWarning("Timer already exists for item {Id}", item.Id);
             }
         }
 
diff --git a/Emby.Server.Implementations/LiveTv/Listings/SchedulesDirect.cs b/Emby.Server.Implementations/LiveTv/Listings/SchedulesDirect.cs
index f5dffc22a..9a4c91d0b 100644
--- a/Emby.Server.Implementations/LiveTv/Listings/SchedulesDirect.cs
+++ b/Emby.Server.Implementations/LiveTv/Listings/SchedulesDirect.cs
@@ -17,7 +17,6 @@ using MediaBrowser.Model.LiveTv;
 using MediaBrowser.Model.Net;
 using MediaBrowser.Model.Serialization;
 using Microsoft.Extensions.Logging;
-using Microsoft.Net.Http.Headers;
 
 namespace Emby.Server.Implementations.LiveTv.Listings
 {
@@ -41,6 +40,12 @@ namespace Emby.Server.Implementations.LiveTv.Listings
 
         private string UserAgent => _appHost.ApplicationUserAgent;
 
+        /// <inheritdoc />
+        public string Name => "Schedules Direct";
+
+        /// <inheritdoc />
+        public string Type => nameof(SchedulesDirect);
+
         private static List<string> GetScheduleRequestDates(DateTime startDateUtc, DateTime endDateUtc)
         {
             var dates = new List<string>();
@@ -103,7 +108,6 @@ namespace Emby.Server.Implementations.LiveTv.Listings
             httpOptions.RequestHeaders["token"] = token;
 
             using (var response = await Post(httpOptions, true, info).ConfigureAwait(false))
-            using (var reader = new StreamReader(response.Content))
             {
                 var dailySchedules = await _jsonSerializer.DeserializeFromStreamAsync<List<ScheduleDirect.Day>>(response.Content).ConfigureAwait(false);
                 _logger.LogDebug("Found {ScheduleCount} programs on {ChannelID} ScheduleDirect", dailySchedules.Count, channelId);
@@ -122,7 +126,6 @@ namespace Emby.Server.Implementations.LiveTv.Listings
                 httpOptions.RequestContent = "[\"" + string.Join("\", \"", programsID) + "\"]";
 
                 using (var innerResponse = await Post(httpOptions, true, info).ConfigureAwait(false))
-                using (var innerReader = new StreamReader(innerResponse.Content))
                 {
                     var programDetails = await _jsonSerializer.DeserializeFromStreamAsync<List<ScheduleDirect.ProgramDetails>>(innerResponse.Content).ConfigureAwait(false);
                     var programDict = programDetails.ToDictionary(p => p.programID, y => y);
@@ -152,14 +155,14 @@ namespace Emby.Server.Implementations.LiveTv.Listings
                                 var imagesWithText = allImages.Where(i => string.Equals(i.text, "yes", StringComparison.OrdinalIgnoreCase));
                                 var imagesWithoutText = allImages.Where(i => string.Equals(i.text, "no", StringComparison.OrdinalIgnoreCase));
 
-                                const double desiredAspect = 0.666666667;
+                                const double DesiredAspect = 2.0 / 3;
 
-                                programEntry.primaryImage = GetProgramImage(ApiUrl, imagesWithText, true, desiredAspect) ??
-                                    GetProgramImage(ApiUrl, allImages, true, desiredAspect);
+                                programEntry.primaryImage = GetProgramImage(ApiUrl, imagesWithText, true, DesiredAspect) ??
+                                    GetProgramImage(ApiUrl, allImages, true, DesiredAspect);
 
-                                const double wideAspect = 1.77777778;
+                                const double WideAspect = 16.0 / 9;
 
-                                programEntry.thumbImage = GetProgramImage(ApiUrl, imagesWithText, true, wideAspect);
+                                programEntry.thumbImage = GetProgramImage(ApiUrl, imagesWithText, true, WideAspect);
 
                                 // Don't supply the same image twice
                                 if (string.Equals(programEntry.primaryImage, programEntry.thumbImage, StringComparison.Ordinal))
@@ -167,7 +170,7 @@ namespace Emby.Server.Implementations.LiveTv.Listings
                                     programEntry.thumbImage = null;
                                 }
 
-                                programEntry.backdropImage = GetProgramImage(ApiUrl, imagesWithoutText, true, wideAspect);
+                                programEntry.backdropImage = GetProgramImage(ApiUrl, imagesWithoutText, true, WideAspect);
 
                                 //programEntry.bannerImage = GetProgramImage(ApiUrl, data, "Banner", false) ??
                                 //    GetProgramImage(ApiUrl, data, "Banner-L1", false) ??
@@ -178,6 +181,7 @@ namespace Emby.Server.Implementations.LiveTv.Listings
 
                         programsInfo.Add(GetProgram(channelId, schedule, programDict[schedule.programID]));
                     }
+
                     return programsInfo;
                 }
             }
@@ -185,12 +189,10 @@ namespace Emby.Server.Implementations.LiveTv.Listings
 
         private static int GetSizeOrder(ScheduleDirect.ImageData image)
         {
-            if (!string.IsNullOrWhiteSpace(image.height))
+            if (!string.IsNullOrWhiteSpace(image.height)
+                && int.TryParse(image.height, out int value))
             {
-                if (int.TryParse(image.height, out int value))
-                {
-                    return value;
-                }
+                return value;
             }
 
             return 0;
@@ -736,16 +738,11 @@ namespace Emby.Server.Implementations.LiveTv.Listings
 
             httpOptions.RequestHeaders["token"] = token;
 
-            using (var response = await _httpClient.SendAsync(httpOptions, "PUT"))
+            using (await _httpClient.SendAsync(httpOptions, "PUT"))
             {
             }
         }
 
-        public string Name => "Schedules Direct";
-
-        public static string TypeName = "SchedulesDirect";
-        public string Type => TypeName;
-
         private async Task<bool> HasLineup(ListingsProviderInfo info, CancellationToken cancellationToken)
         {
             if (string.IsNullOrEmpty(info.ListingsId))
diff --git a/Emby.Server.Implementations/LiveTv/Listings/XmlTvListingsProvider.cs b/Emby.Server.Implementations/LiveTv/Listings/XmlTvListingsProvider.cs
index 94225a0aa..88693f22a 100644
--- a/Emby.Server.Implementations/LiveTv/Listings/XmlTvListingsProvider.cs
+++ b/Emby.Server.Implementations/LiveTv/Listings/XmlTvListingsProvider.cs
@@ -211,7 +211,7 @@ namespace Emby.Server.Implementations.LiveTv.Listings
                 HasImage = program.Icon != null && !string.IsNullOrEmpty(program.Icon.Source),
                 OfficialRating = program.Rating != null && !string.IsNullOrEmpty(program.Rating.Value) ? program.Rating.Value : null,
                 CommunityRating = program.StarRating,
-                SeriesId = program.Episode == null ? null : program.Title.GetMD5().ToString("N")
+                SeriesId = program.Episode == null ? null : program.Title.GetMD5().ToString("N", CultureInfo.InvariantCulture)
             };
 
             if (string.IsNullOrWhiteSpace(program.ProgramId))
@@ -227,7 +227,7 @@ namespace Emby.Server.Implementations.LiveTv.Listings
                     uniqueString = "-" + programInfo.EpisodeNumber.Value.ToString(CultureInfo.InvariantCulture);
                 }
 
-                programInfo.ShowId = uniqueString.GetMD5().ToString("N");
+                programInfo.ShowId = uniqueString.GetMD5().ToString("N", CultureInfo.InvariantCulture);
 
                 // If we don't have valid episode info, assume it's a unique program, otherwise recordings might be skipped
                 if (programInfo.IsSeries
diff --git a/Emby.Server.Implementations/LiveTv/LiveTvDtoService.cs b/Emby.Server.Implementations/LiveTv/LiveTvDtoService.cs
index 1144c9ab1..e584664c9 100644
--- a/Emby.Server.Implementations/LiveTv/LiveTvDtoService.cs
+++ b/Emby.Server.Implementations/LiveTv/LiveTvDtoService.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Globalization;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
@@ -52,7 +53,7 @@ namespace Emby.Server.Implementations.LiveTv
                 ExternalId = info.Id,
                 ChannelId = GetInternalChannelId(service.Name, info.ChannelId),
                 Status = info.Status,
-                SeriesTimerId = string.IsNullOrEmpty(info.SeriesTimerId) ? null : GetInternalSeriesTimerId(info.SeriesTimerId).ToString("N"),
+                SeriesTimerId = string.IsNullOrEmpty(info.SeriesTimerId) ? null : GetInternalSeriesTimerId(info.SeriesTimerId).ToString("N", CultureInfo.InvariantCulture),
                 PrePaddingSeconds = info.PrePaddingSeconds,
                 PostPaddingSeconds = info.PostPaddingSeconds,
                 IsPostPaddingRequired = info.IsPostPaddingRequired,
@@ -69,7 +70,7 @@ namespace Emby.Server.Implementations.LiveTv
 
             if (!string.IsNullOrEmpty(info.ProgramId))
             {
-                dto.ProgramId = GetInternalProgramId(info.ProgramId).ToString("N");
+                dto.ProgramId = GetInternalProgramId(info.ProgramId).ToString("N", CultureInfo.InvariantCulture);
             }
 
             if (program != null)
@@ -107,7 +108,7 @@ namespace Emby.Server.Implementations.LiveTv
         {
             var dto = new SeriesTimerInfoDto
             {
-                Id = GetInternalSeriesTimerId(info.Id).ToString("N"),
+                Id = GetInternalSeriesTimerId(info.Id).ToString("N", CultureInfo.InvariantCulture),
                 Overview = info.Overview,
                 EndDate = info.EndDate,
                 Name = info.Name,
@@ -139,7 +140,7 @@ namespace Emby.Server.Implementations.LiveTv
 
             if (!string.IsNullOrEmpty(info.ProgramId))
             {
-                dto.ProgramId = GetInternalProgramId(info.ProgramId).ToString("N");
+                dto.ProgramId = GetInternalProgramId(info.ProgramId).ToString("N", CultureInfo.InvariantCulture);
             }
 
             dto.DayPattern = info.Days == null ? null : GetDayPattern(info.Days.ToArray());
@@ -169,7 +170,7 @@ namespace Emby.Server.Implementations.LiveTv
                     try
                     {
                         dto.ParentThumbImageTag = _imageProcessor.GetImageCacheTag(librarySeries, image);
-                        dto.ParentThumbItemId = librarySeries.Id.ToString("N");
+                        dto.ParentThumbItemId = librarySeries.Id.ToString("N", CultureInfo.InvariantCulture);
                     }
                     catch (Exception ex)
                     {
@@ -185,7 +186,7 @@ namespace Emby.Server.Implementations.LiveTv
                             {
                                 _imageProcessor.GetImageCacheTag(librarySeries, image)
                             };
-                        dto.ParentBackdropItemId = librarySeries.Id.ToString("N");
+                        dto.ParentBackdropItemId = librarySeries.Id.ToString("N", CultureInfo.InvariantCulture);
                     }
                     catch (Exception ex)
                     {
@@ -213,7 +214,7 @@ namespace Emby.Server.Implementations.LiveTv
                     try
                     {
                         dto.ParentPrimaryImageTag = _imageProcessor.GetImageCacheTag(program, image);
-                        dto.ParentPrimaryImageItemId = program.Id.ToString("N");
+                        dto.ParentPrimaryImageItemId = program.Id.ToString("N", CultureInfo.InvariantCulture);
                     }
                     catch (Exception ex)
                     {
@@ -232,7 +233,7 @@ namespace Emby.Server.Implementations.LiveTv
                         {
                                 _imageProcessor.GetImageCacheTag(program, image)
                         };
-                            dto.ParentBackdropItemId = program.Id.ToString("N");
+                            dto.ParentBackdropItemId = program.Id.ToString("N", CultureInfo.InvariantCulture);
                         }
                         catch (Exception ex)
                         {
@@ -263,7 +264,7 @@ namespace Emby.Server.Implementations.LiveTv
                     try
                     {
                         dto.ParentThumbImageTag = _imageProcessor.GetImageCacheTag(librarySeries, image);
-                        dto.ParentThumbItemId = librarySeries.Id.ToString("N");
+                        dto.ParentThumbItemId = librarySeries.Id.ToString("N", CultureInfo.InvariantCulture);
                     }
                     catch (Exception ex)
                     {
@@ -279,7 +280,7 @@ namespace Emby.Server.Implementations.LiveTv
                             {
                                 _imageProcessor.GetImageCacheTag(librarySeries, image)
                             };
-                        dto.ParentBackdropItemId = librarySeries.Id.ToString("N");
+                        dto.ParentBackdropItemId = librarySeries.Id.ToString("N", CultureInfo.InvariantCulture);
                     }
                     catch (Exception ex)
                     {
@@ -320,7 +321,7 @@ namespace Emby.Server.Implementations.LiveTv
                     try
                     {
                         dto.ParentPrimaryImageTag = _imageProcessor.GetImageCacheTag(program, image);
-                        dto.ParentPrimaryImageItemId = program.Id.ToString("N");
+                        dto.ParentPrimaryImageItemId = program.Id.ToString("N", CultureInfo.InvariantCulture);
                     }
                     catch (Exception ex)
                     {
@@ -339,7 +340,7 @@ namespace Emby.Server.Implementations.LiveTv
                             {
                                     _imageProcessor.GetImageCacheTag(program, image)
                             };
-                            dto.ParentBackdropItemId = program.Id.ToString("N");
+                            dto.ParentBackdropItemId = program.Id.ToString("N", CultureInfo.InvariantCulture);
                         }
                         catch (Exception ex)
                         {
@@ -407,7 +408,7 @@ namespace Emby.Server.Implementations.LiveTv
         {
             var name = ServiceName + externalId + InternalVersionNumber;
 
-            return name.ToLowerInvariant().GetMD5().ToString("N");
+            return name.ToLowerInvariant().GetMD5().ToString("N", CultureInfo.InvariantCulture);
         }
 
         public Guid GetInternalSeriesTimerId(string externalId)
diff --git a/Emby.Server.Implementations/LiveTv/LiveTvManager.cs b/Emby.Server.Implementations/LiveTv/LiveTvManager.cs
index 9093d9740..89b92c999 100644
--- a/Emby.Server.Implementations/LiveTv/LiveTvManager.cs
+++ b/Emby.Server.Implementations/LiveTv/LiveTvManager.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
@@ -59,16 +60,6 @@ namespace Emby.Server.Implementations.LiveTv
         private IListingsProvider[] _listingProviders = Array.Empty<IListingsProvider>();
         private readonly IFileSystem _fileSystem;
 
-        public event EventHandler<GenericEventArgs<TimerEventInfo>> SeriesTimerCancelled;
-        public event EventHandler<GenericEventArgs<TimerEventInfo>> TimerCancelled;
-        public event EventHandler<GenericEventArgs<TimerEventInfo>> TimerCreated;
-        public event EventHandler<GenericEventArgs<TimerEventInfo>> SeriesTimerCreated;
-
-        public string GetEmbyTvActiveRecordingPath(string id)
-        {
-            return EmbyTV.EmbyTV.Current.GetActiveRecordingPath(id);
-        }
-
         public LiveTvManager(
             IServerApplicationHost appHost,
             IServerConfigurationManager config,
@@ -101,17 +92,34 @@ namespace Emby.Server.Implementations.LiveTv
             _tvDtoService = new LiveTvDtoService(dtoService, imageProcessor, loggerFactory, appHost, _libraryManager);
         }
 
+        public event EventHandler<GenericEventArgs<TimerEventInfo>> SeriesTimerCancelled;
+
+        public event EventHandler<GenericEventArgs<TimerEventInfo>> TimerCancelled;
+
+        public event EventHandler<GenericEventArgs<TimerEventInfo>> TimerCreated;
+
+        public event EventHandler<GenericEventArgs<TimerEventInfo>> SeriesTimerCreated;
+
         /// <summary>
         /// Gets the services.
         /// </summary>
         /// <value>The services.</value>
         public IReadOnlyList<ILiveTvService> Services => _services;
 
+        public ITunerHost[] TunerHosts => _tunerHosts;
+
+        public IListingsProvider[] ListingProviders => _listingProviders;
+
         private LiveTvOptions GetConfiguration()
         {
             return _config.GetConfiguration<LiveTvOptions>("livetv");
         }
 
+        public string GetEmbyTvActiveRecordingPath(string id)
+        {
+            return EmbyTV.EmbyTV.Current.GetActiveRecordingPath(id);
+        }
+
         /// <summary>
         /// Adds the parts.
         /// </summary>
@@ -129,13 +137,13 @@ namespace Emby.Server.Implementations.LiveTv
             {
                 if (service is EmbyTV.EmbyTV embyTv)
                 {
-                    embyTv.TimerCreated += EmbyTv_TimerCreated;
-                    embyTv.TimerCancelled += EmbyTv_TimerCancelled;
+                    embyTv.TimerCreated += OnEmbyTvTimerCreated;
+                    embyTv.TimerCancelled += OnEmbyTvTimerCancelled;
                 }
             }
         }
 
-        private void EmbyTv_TimerCancelled(object sender, GenericEventArgs<string> e)
+        private void OnEmbyTvTimerCancelled(object sender, GenericEventArgs<string> e)
         {
             var timerId = e.Argument;
 
@@ -148,10 +156,9 @@ namespace Emby.Server.Implementations.LiveTv
             });
         }
 
-        private void EmbyTv_TimerCreated(object sender, GenericEventArgs<TimerInfo> e)
+        private void OnEmbyTvTimerCreated(object sender, GenericEventArgs<TimerInfo> e)
         {
             var timer = e.Argument;
-            var service = sender as ILiveTvService;
 
             TimerCreated?.Invoke(this, new GenericEventArgs<TimerEventInfo>
             {
@@ -163,10 +170,6 @@ namespace Emby.Server.Implementations.LiveTv
             });
         }
 
-        public ITunerHost[] TunerHosts => _tunerHosts;
-
-        public IListingsProvider[] ListingProviders => _listingProviders;
-
         public List<NameIdPair> GetTunerHostTypes()
         {
             return _tunerHosts.OrderBy(i => i.Name).Select(i => new NameIdPair
@@ -258,7 +261,7 @@ namespace Emby.Server.Implementations.LiveTv
             }
             info.RequiresClosing = true;
 
-            var idPrefix = service.GetType().FullName.GetMD5().ToString("N") + "_";
+            var idPrefix = service.GetType().FullName.GetMD5().ToString("N", CultureInfo.InvariantCulture) + "_";
 
             info.LiveStreamId = idPrefix + info.Id;
 
@@ -820,7 +823,7 @@ namespace Emby.Server.Implementations.LiveTv
             if (!string.IsNullOrWhiteSpace(query.SeriesTimerId))
             {
                 var seriesTimers = await GetSeriesTimersInternal(new SeriesTimerQuery { }, cancellationToken).ConfigureAwait(false);
-                var seriesTimer = seriesTimers.Items.FirstOrDefault(i => string.Equals(_tvDtoService.GetInternalSeriesTimerId(i.Id).ToString("N"), query.SeriesTimerId, StringComparison.OrdinalIgnoreCase));
+                var seriesTimer = seriesTimers.Items.FirstOrDefault(i => string.Equals(_tvDtoService.GetInternalSeriesTimerId(i.Id).ToString("N", CultureInfo.InvariantCulture), query.SeriesTimerId, StringComparison.OrdinalIgnoreCase));
                 if (seriesTimer != null)
                 {
                     internalQuery.ExternalSeriesId = seriesTimer.SeriesId;
@@ -880,7 +883,7 @@ namespace Emby.Server.Implementations.LiveTv
             }
 
             var programList = _libraryManager.QueryItems(internalQuery).Items;
-            var totalCount = programList.Length;
+            var totalCount = programList.Count;
 
             var orderedPrograms = programList.Cast<LiveTvProgram>().OrderBy(i => i.StartDate.Date);
 
@@ -965,11 +968,8 @@ namespace Emby.Server.Implementations.LiveTv
 
         private async Task AddRecordingInfo(IEnumerable<Tuple<BaseItemDto, string, string>> programs, CancellationToken cancellationToken)
         {
-            var timers = new Dictionary<string, List<TimerInfo>>();
-            var seriesTimers = new Dictionary<string, List<SeriesTimerInfo>>();
-
-            TimerInfo[] timerList = null;
-            SeriesTimerInfo[] seriesTimerList = null;
+            IReadOnlyList<TimerInfo> timerList = null;
+            IReadOnlyList<SeriesTimerInfo> seriesTimerList = null;
 
             foreach (var programTuple in programs)
             {
@@ -997,7 +997,7 @@ namespace Emby.Server.Implementations.LiveTv
                     if (!string.IsNullOrEmpty(timer.SeriesTimerId))
                     {
                         program.SeriesTimerId = _tvDtoService.GetInternalSeriesTimerId(timer.SeriesTimerId)
-                            .ToString("N");
+                            .ToString("N", CultureInfo.InvariantCulture);
 
                         foundSeriesTimer = true;
                     }
@@ -1018,7 +1018,7 @@ namespace Emby.Server.Implementations.LiveTv
                 if (seriesTimer != null)
                 {
                     program.SeriesTimerId = _tvDtoService.GetInternalSeriesTimerId(seriesTimer.Id)
-                        .ToString("N");
+                        .ToString("N", CultureInfo.InvariantCulture);
                 }
             }
         }
@@ -1295,6 +1295,7 @@ namespace Emby.Server.Implementations.LiveTv
         }
 
         private const int MaxGuideDays = 14;
+
         private double GetGuideDays()
         {
             var config = GetConfiguration();
@@ -1339,6 +1340,7 @@ namespace Emby.Server.Implementations.LiveTv
                     excludeItemTypes.Add(typeof(Movie).Name);
                 }
             }
+
             if (query.IsSeries.HasValue)
             {
                 if (query.IsSeries.Value)
@@ -1350,10 +1352,12 @@ namespace Emby.Server.Implementations.LiveTv
                     excludeItemTypes.Add(typeof(Episode).Name);
                 }
             }
+
             if (query.IsSports ?? false)
             {
                 genres.Add("Sports");
             }
+
             if (query.IsKids ?? false)
             {
                 genres.Add("Kids");
@@ -1399,20 +1403,20 @@ namespace Emby.Server.Implementations.LiveTv
 
             if (query.IsInProgress ?? false)
             {
-                //TODO Fix The co-variant conversion between Video[] and BaseItem[], this can generate runtime issues.
+                // TODO: Fix The co-variant conversion between Video[] and BaseItem[], this can generate runtime issues.
                 result.Items = result
                     .Items
                     .OfType<Video>()
                     .Where(i => !i.IsCompleteMedia)
                     .ToArray();
 
-                result.TotalRecordCount = result.Items.Length;
+                result.TotalRecordCount = result.Items.Count;
             }
 
             return result;
         }
 
-        public Task AddInfoToProgramDto(List<Tuple<BaseItem, BaseItemDto>> tuples, ItemFields[] fields, User user = null)
+        public Task AddInfoToProgramDto(IReadOnlyCollection<(BaseItem, BaseItemDto)> tuples, ItemFields[] fields, User user = null)
         {
             var programTuples = new List<Tuple<BaseItemDto, string, string>>();
             var hasChannelImage = fields.Contains(ItemFields.ChannelImage);
@@ -1472,7 +1476,7 @@ namespace Emby.Server.Implementations.LiveTv
 
             dto.SeriesTimerId = string.IsNullOrEmpty(info.SeriesTimerId)
                 ? null
-                : _tvDtoService.GetInternalSeriesTimerId(info.SeriesTimerId).ToString("N");
+                : _tvDtoService.GetInternalSeriesTimerId(info.SeriesTimerId).ToString("N", CultureInfo.InvariantCulture);
 
             dto.TimerId = string.IsNullOrEmpty(info.Id)
                 ? null
@@ -1596,8 +1600,6 @@ namespace Emby.Server.Implementations.LiveTv
 
             if (!string.IsNullOrEmpty(query.Id))
             {
-                var guid = new Guid(query.Id);
-
                 timers = timers
                     .Where(i => string.Equals(_tvDtoService.GetInternalTimerId(i.Item1.Id), query.Id, StringComparison.OrdinalIgnoreCase));
             }
@@ -1876,7 +1878,7 @@ namespace Emby.Server.Implementations.LiveTv
             return _libraryManager.GetItemById(internalChannelId);
         }
 
-        public void AddChannelInfo(List<Tuple<BaseItemDto, LiveTvChannel>> tuples, DtoOptions options, User user)
+        public void AddChannelInfo(IReadOnlyCollection<(BaseItemDto, LiveTvChannel)> tuples, DtoOptions options, User user)
         {
             var now = DateTime.UtcNow;
 
@@ -2027,7 +2029,7 @@ namespace Emby.Server.Implementations.LiveTv
             info.StartDate = program.StartDate;
             info.Name = program.Name;
             info.Overview = program.Overview;
-            info.ProgramId = programDto.Id.ToString("N");
+            info.ProgramId = programDto.Id.ToString("N", CultureInfo.InvariantCulture);
             info.ExternalProgramId = program.ExternalId;
 
             if (program.EndDate.HasValue)
@@ -2088,7 +2090,7 @@ namespace Emby.Server.Implementations.LiveTv
             if (service is ISupportsNewTimerIds supportsNewTimerIds)
             {
                 newTimerId = await supportsNewTimerIds.CreateSeriesTimer(info, cancellationToken).ConfigureAwait(false);
-                newTimerId = _tvDtoService.GetInternalSeriesTimerId(newTimerId).ToString("N");
+                newTimerId = _tvDtoService.GetInternalSeriesTimerId(newTimerId).ToString("N", CultureInfo.InvariantCulture);
             }
             else
             {
@@ -2192,7 +2194,7 @@ namespace Emby.Server.Implementations.LiveTv
 
             info.EnabledUsers = _userManager.Users
                 .Where(IsLiveTvEnabled)
-                .Select(i => i.Id.ToString("N"))
+                .Select(i => i.Id.ToString("N", CultureInfo.InvariantCulture))
                 .ToArray();
 
             return info;
@@ -2219,7 +2221,7 @@ namespace Emby.Server.Implementations.LiveTv
         {
             var parts = id.Split(new[] { '_' }, 2);
 
-            var service = _services.FirstOrDefault(i => string.Equals(i.GetType().FullName.GetMD5().ToString("N"), parts[0], StringComparison.OrdinalIgnoreCase));
+            var service = _services.FirstOrDefault(i => string.Equals(i.GetType().FullName.GetMD5().ToString("N", CultureInfo.InvariantCulture), parts[0], StringComparison.OrdinalIgnoreCase));
 
             if (service == null)
             {
@@ -2269,7 +2271,7 @@ namespace Emby.Server.Implementations.LiveTv
 
             if (index == -1 || string.IsNullOrWhiteSpace(info.Id))
             {
-                info.Id = Guid.NewGuid().ToString("N");
+                info.Id = Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture);
                 list.Add(info);
                 config.TunerHosts = list.ToArray();
             }
@@ -2312,7 +2314,7 @@ namespace Emby.Server.Implementations.LiveTv
 
             if (index == -1 || string.IsNullOrWhiteSpace(info.Id))
             {
-                info.Id = Guid.NewGuid().ToString("N");
+                info.Id = Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture);
                 list.Add(info);
                 config.ListingProviders = list.ToArray();
             }
diff --git a/Emby.Server.Implementations/LiveTv/LiveTvMediaSourceProvider.cs b/Emby.Server.Implementations/LiveTv/LiveTvMediaSourceProvider.cs
index cd1731de5..52d60c004 100644
--- a/Emby.Server.Implementations/LiveTv/LiveTvMediaSourceProvider.cs
+++ b/Emby.Server.Implementations/LiveTv/LiveTvMediaSourceProvider.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
@@ -101,7 +102,7 @@ namespace Emby.Server.Implementations.LiveTv
                 {
                     var openKeys = new List<string>();
                     openKeys.Add(item.GetType().Name);
-                    openKeys.Add(item.Id.ToString("N"));
+                    openKeys.Add(item.Id.ToString("N", CultureInfo.InvariantCulture));
                     openKeys.Add(source.Id ?? string.Empty);
                     source.OpenToken = string.Join(StreamIdDelimeterString, openKeys.ToArray());
                 }
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs
index ed524cae3..da98f3e58 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs
@@ -1,8 +1,10 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Net;
+using System.Net.Http;
 using System.Threading;
 using System.Threading.Tasks;
 using MediaBrowser.Common.Configuration;
@@ -30,6 +32,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
         private readonly IServerApplicationHost _appHost;
         private readonly ISocketFactory _socketFactory;
         private readonly INetworkManager _networkManager;
+        private readonly IStreamHelper _streamHelper;
 
         public HdHomerunHost(
             IServerConfigurationManager config,
@@ -39,29 +42,25 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             IHttpClient httpClient,
             IServerApplicationHost appHost,
             ISocketFactory socketFactory,
-            INetworkManager networkManager)
+            INetworkManager networkManager,
+            IStreamHelper streamHelper)
             : base(config, logger, jsonSerializer, fileSystem)
         {
             _httpClient = httpClient;
             _appHost = appHost;
             _socketFactory = socketFactory;
             _networkManager = networkManager;
+            _streamHelper = streamHelper;
         }
 
         public string Name => "HD Homerun";
 
-        public override string Type => DeviceType;
-
-        public static string DeviceType => "hdhomerun";
+        public override string Type => "hdhomerun";
 
         protected override string ChannelIdPrefix => "hdhr_";
 
         private string GetChannelId(TunerHostInfo info, Channels i)
-        {
-            var id = ChannelIdPrefix + i.GuideNumber;
-
-            return id;
-        }
+            => ChannelIdPrefix + i.GuideNumber;
 
         private async Task<List<Channels>> GetLineup(TunerHostInfo info, CancellationToken cancellationToken)
         {
@@ -73,19 +72,18 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                 CancellationToken = cancellationToken,
                 BufferContent = false
             };
-            using (var response = await _httpClient.SendAsync(options, "GET").ConfigureAwait(false))
-            {
-                using (var stream = response.Content)
-                {
-                    var lineup = await JsonSerializer.DeserializeFromStreamAsync<List<Channels>>(stream).ConfigureAwait(false) ?? new List<Channels>();
 
-                    if (info.ImportFavoritesOnly)
-                    {
-                        lineup = lineup.Where(i => i.Favorite).ToList();
-                    }
+            using (var response = await _httpClient.SendAsync(options, HttpMethod.Get).ConfigureAwait(false))
+            using (var stream = response.Content)
+            {
+                var lineup = await JsonSerializer.DeserializeFromStreamAsync<List<Channels>>(stream).ConfigureAwait(false) ?? new List<Channels>();
 
-                    return lineup.Where(i => !i.DRM).ToList();
+                if (info.ImportFavoritesOnly)
+                {
+                    lineup = lineup.Where(i => i.Favorite).ToList();
                 }
+
+                return lineup.Where(i => !i.DRM).ToList();
             }
         }
 
@@ -138,23 +136,20 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                     Url = string.Format("{0}/discover.json", GetApiUrl(info)),
                     CancellationToken = cancellationToken,
                     BufferContent = false
-
-                }, "GET").ConfigureAwait(false))
+                }, HttpMethod.Get).ConfigureAwait(false))
+                using (var stream = response.Content)
                 {
-                    using (var stream = response.Content)
-                    {
-                        var discoverResponse = await JsonSerializer.DeserializeFromStreamAsync<DiscoverResponse>(stream).ConfigureAwait(false);
+                    var discoverResponse = await JsonSerializer.DeserializeFromStreamAsync<DiscoverResponse>(stream).ConfigureAwait(false);
 
-                        if (!string.IsNullOrEmpty(cacheKey))
+                    if (!string.IsNullOrEmpty(cacheKey))
+                    {
+                        lock (_modelCache)
                         {
-                            lock (_modelCache)
-                            {
-                                _modelCache[cacheKey] = discoverResponse;
-                            }
+                            _modelCache[cacheKey] = discoverResponse;
                         }
-
-                        return discoverResponse;
                     }
+
+                    return discoverResponse;
                 }
             }
             catch (HttpException ex)
@@ -185,36 +180,36 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
         {
             var model = await GetModelInfo(info, false, cancellationToken).ConfigureAwait(false);
 
-            using (var stream = await _httpClient.Get(new HttpRequestOptions()
+            using (var response = await _httpClient.SendAsync(new HttpRequestOptions()
             {
                 Url = string.Format("{0}/tuners.html", GetApiUrl(info)),
                 CancellationToken = cancellationToken,
                 BufferContent = false
-            }))
+            }, HttpMethod.Get))
+            using (var stream = response.Content)
+            using (var sr = new StreamReader(stream, System.Text.Encoding.UTF8))
             {
                 var tuners = new List<LiveTvTunerInfo>();
-                using (var sr = new StreamReader(stream, System.Text.Encoding.UTF8))
+                while (!sr.EndOfStream)
                 {
-                    while (!sr.EndOfStream)
+                    string line = StripXML(sr.ReadLine());
+                    if (line.Contains("Channel"))
                     {
-                        string line = StripXML(sr.ReadLine());
-                        if (line.Contains("Channel"))
+                        LiveTvTunerStatus status;
+                        var index = line.IndexOf("Channel", StringComparison.OrdinalIgnoreCase);
+                        var name = line.Substring(0, index - 1);
+                        var currentChannel = line.Substring(index + 7);
+                        if (currentChannel != "none") { status = LiveTvTunerStatus.LiveTv; } else { status = LiveTvTunerStatus.Available; }
+                        tuners.Add(new LiveTvTunerInfo
                         {
-                            LiveTvTunerStatus status;
-                            var index = line.IndexOf("Channel", StringComparison.OrdinalIgnoreCase);
-                            var name = line.Substring(0, index - 1);
-                            var currentChannel = line.Substring(index + 7);
-                            if (currentChannel != "none") { status = LiveTvTunerStatus.LiveTv; } else { status = LiveTvTunerStatus.Available; }
-                            tuners.Add(new LiveTvTunerInfo
-                            {
-                                Name = name,
-                                SourceType = string.IsNullOrWhiteSpace(model.ModelNumber) ? Name : model.ModelNumber,
-                                ProgramName = currentChannel,
-                                Status = status
-                            });
-                        }
+                            Name = name,
+                            SourceType = string.IsNullOrWhiteSpace(model.ModelNumber) ? Name : model.ModelNumber,
+                            ProgramName = currentChannel,
+                            Status = status
+                        });
                     }
                 }
+
                 return tuners;
             }
         }
@@ -244,6 +239,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                     bufferIndex++;
                 }
             }
+
             return new string(buffer, 0, bufferIndex);
         }
 
@@ -255,7 +251,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
 
             var uri = new Uri(GetApiUrl(info));
 
-            using (var manager = new HdHomerunManager(_socketFactory, Logger))
+            using (var manager = new HdHomerunManager())
             {
                 // Legacy HdHomeruns are IPv4 only
                 var ipInfo = IPAddress.Parse(uri.Host);
@@ -275,6 +271,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                     });
                 }
             }
+
             return tuners;
         }
 
@@ -433,12 +430,14 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             {
                 videoCodec = channelInfo.VideoCodec;
             }
+
             string audioCodec = channelInfo.AudioCodec;
 
             if (!videoBitrate.HasValue)
             {
                 videoBitrate = isHd ? 15000000 : 2000000;
             }
+
             int? audioBitrate = isHd ? 448000 : 192000;
 
             // normalize
@@ -460,7 +459,8 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             {
                 id = "native";
             }
-            id += "_" + channelId.GetMD5().ToString("N") + "_" + url.GetMD5().ToString("N");
+
+            id += "_" + channelId.GetMD5().ToString("N", CultureInfo.InvariantCulture) + "_" + url.GetMD5().ToString("N", CultureInfo.InvariantCulture);
 
             var mediaSource = new MediaSourceInfo
             {
@@ -526,29 +526,22 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             }
             else
             {
-                try
-                {
-                    var modelInfo = await GetModelInfo(info, false, cancellationToken).ConfigureAwait(false);
+                var modelInfo = await GetModelInfo(info, false, cancellationToken).ConfigureAwait(false);
 
-                    if (modelInfo != null && modelInfo.SupportsTranscoding)
+                if (modelInfo != null && modelInfo.SupportsTranscoding)
+                {
+                    if (info.AllowHWTranscoding)
                     {
-                        if (info.AllowHWTranscoding)
-                        {
-                            list.Add(GetMediaSource(info, hdhrId, channelInfo, "heavy"));
-
-                            list.Add(GetMediaSource(info, hdhrId, channelInfo, "internet540"));
-                            list.Add(GetMediaSource(info, hdhrId, channelInfo, "internet480"));
-                            list.Add(GetMediaSource(info, hdhrId, channelInfo, "internet360"));
-                            list.Add(GetMediaSource(info, hdhrId, channelInfo, "internet240"));
-                            list.Add(GetMediaSource(info, hdhrId, channelInfo, "mobile"));
-                        }
+                        list.Add(GetMediaSource(info, hdhrId, channelInfo, "heavy"));
 
-                        list.Add(GetMediaSource(info, hdhrId, channelInfo, "native"));
+                        list.Add(GetMediaSource(info, hdhrId, channelInfo, "internet540"));
+                        list.Add(GetMediaSource(info, hdhrId, channelInfo, "internet480"));
+                        list.Add(GetMediaSource(info, hdhrId, channelInfo, "internet360"));
+                        list.Add(GetMediaSource(info, hdhrId, channelInfo, "internet240"));
+                        list.Add(GetMediaSource(info, hdhrId, channelInfo, "mobile"));
                     }
-                }
-                catch
-                {
 
+                    list.Add(GetMediaSource(info, hdhrId, channelInfo, "native"));
                 }
 
                 if (list.Count == 0)
@@ -581,7 +574,19 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
 
             if (hdhomerunChannel != null && hdhomerunChannel.IsLegacyTuner)
             {
-                return new HdHomerunUdpStream(mediaSource, info, streamId, new LegacyHdHomerunChannelCommands(hdhomerunChannel.Path), modelInfo.TunerCount, FileSystem, _httpClient, Logger, Config.ApplicationPaths, _appHost, _socketFactory, _networkManager);
+                return new HdHomerunUdpStream(
+                    mediaSource,
+                    info,
+                    streamId,
+                    new LegacyHdHomerunChannelCommands(hdhomerunChannel.Path),
+                    modelInfo.TunerCount,
+                    FileSystem,
+                    Logger,
+                    Config.ApplicationPaths,
+                    _appHost,
+                    _networkManager,
+                    _streamHelper);
+
             }
 
             var enableHttpStream = true;
@@ -596,12 +601,33 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                 {
                     httpUrl += "?transcode=" + profile;
                 }
-                mediaSource.Path = httpUrl;
 
-                return new SharedHttpStream(mediaSource, info, streamId, FileSystem, _httpClient, Logger, Config.ApplicationPaths, _appHost);
-            }
+                mediaSource.Path = httpUrl;
 
-            return new HdHomerunUdpStream(mediaSource, info, streamId, new HdHomerunChannelCommands(hdhomerunChannel.Number, profile), modelInfo.TunerCount, FileSystem, _httpClient, Logger, Config.ApplicationPaths, _appHost, _socketFactory, _networkManager);
+                return new SharedHttpStream(
+                    mediaSource,
+                    info,
+                    streamId,
+                    FileSystem,
+                    _httpClient,
+                    Logger,
+                    Config.ApplicationPaths,
+                    _appHost,
+                    _streamHelper);
+            }
+
+            return new HdHomerunUdpStream(
+                mediaSource,
+                info,
+                streamId,
+                new HdHomerunChannelCommands(hdhomerunChannel.Number, profile),
+                modelInfo.TunerCount,
+                FileSystem,
+                Logger,
+                Config.ApplicationPaths,
+                _appHost,
+                _networkManager,
+                _streamHelper);
         }
 
         public async Task Validate(TunerHostInfo info)
@@ -700,9 +726,10 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                 catch (OperationCanceledException)
                 {
                 }
-                catch
+                catch (Exception ex)
                 {
                     // Socket timeout indicates all messages have been received.
+                    Logger.LogError(ex, "Error while sending discovery message");
                 }
             }
 
@@ -717,21 +744,12 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                 Url = url
             };
 
-            try
-            {
-                var modelInfo = await GetModelInfo(hostInfo, false, cancellationToken).ConfigureAwait(false);
-
-                hostInfo.DeviceId = modelInfo.DeviceID;
-                hostInfo.FriendlyName = modelInfo.FriendlyName;
+            var modelInfo = await GetModelInfo(hostInfo, false, cancellationToken).ConfigureAwait(false);
 
-                return hostInfo;
-            }
-            catch
-            {
-                // logged at lower levels
-            }
+            hostInfo.DeviceId = modelInfo.DeviceID;
+            hostInfo.FriendlyName = modelInfo.FriendlyName;
 
-            return null;
+            return hostInfo;
         }
     }
 }
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs
index 6e79441da..9702392b2 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs
@@ -1,19 +1,20 @@
 using System;
+using System.Buffers;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Net;
+using System.Net.Sockets;
 using System.Text;
 using System.Text.RegularExpressions;
 using System.Threading;
 using System.Threading.Tasks;
 using MediaBrowser.Controller.LiveTv;
-using MediaBrowser.Model.Net;
-using Microsoft.Extensions.Logging;
 
 namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
 {
     public interface IHdHomerunChannelCommands
     {
-        IEnumerable<Tuple<string, string>> GetCommands();
+        IEnumerable<(string, string)> GetCommands();
     }
 
     public class LegacyHdHomerunChannelCommands : IHdHomerunChannelCommands
@@ -32,16 +33,17 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             }
         }
 
-        public IEnumerable<Tuple<string, string>> GetCommands()
+        public IEnumerable<(string, string)> GetCommands()
         {
-            var commands = new List<Tuple<string, string>>();
-
             if (!string.IsNullOrEmpty(_channel))
-                commands.Add(Tuple.Create("channel", _channel));
+            {
+                yield return ("channel", _channel);
+            }
 
             if (!string.IsNullOrEmpty(_program))
-                commands.Add(Tuple.Create("program", _program));
-            return commands;
+            {
+                yield return ("program", _program);
+            }
         }
     }
 
@@ -56,95 +58,87 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             _profile = profile;
         }
 
-        public IEnumerable<Tuple<string, string>> GetCommands()
+        public IEnumerable<(string, string)> GetCommands()
         {
-            var commands = new List<Tuple<string, string>>();
-
             if (!string.IsNullOrEmpty(_channel))
             {
-                if (!string.IsNullOrEmpty(_profile) && !string.Equals(_profile, "native", StringComparison.OrdinalIgnoreCase))
+                if (!string.IsNullOrEmpty(_profile)
+                    && !string.Equals(_profile, "native", StringComparison.OrdinalIgnoreCase))
                 {
-                    commands.Add(Tuple.Create("vchannel", string.Format("{0} transcode={1}", _channel, _profile)));
+                    yield return ("vchannel", $"{_channel} transcode={_profile}");
                 }
                 else
                 {
-                    commands.Add(Tuple.Create("vchannel", _channel));
+                    yield return ("vchannel", _channel);
                 }
             }
-
-            return commands;
         }
     }
 
     public class HdHomerunManager : IDisposable
     {
-        public static int HdHomeRunPort = 65001;
+        public const int HdHomeRunPort = 65001;
+
         // Message constants
-        private static byte GetSetName = 3;
-        private static byte GetSetValue = 4;
-        private static byte GetSetLockkey = 21;
-        private static ushort GetSetRequest = 4;
-        private static ushort GetSetReply = 5;
+        private const byte GetSetName = 3;
+        private const byte GetSetValue = 4;
+        private const byte GetSetLockkey = 21;
+        private const ushort GetSetRequest = 4;
+        private const ushort GetSetReply = 5;
 
         private uint? _lockkey = null;
         private int _activeTuner = -1;
-        private readonly ISocketFactory _socketFactory;
-        private IPAddress _remoteIp;
+        private IPEndPoint _remoteEndPoint;
 
-        private ILogger _logger;
-        private ISocket _currentTcpSocket;
-
-        public HdHomerunManager(ISocketFactory socketFactory, ILogger logger)
-        {
-            _socketFactory = socketFactory;
-            _logger = logger;
-        }
+        private TcpClient _tcpClient;
 
         public void Dispose()
         {
-            using (var socket = _currentTcpSocket)
+            using (var socket = _tcpClient)
             {
                 if (socket != null)
                 {
-                    _currentTcpSocket = null;
+                    _tcpClient = null;
 
-                    var task = StopStreaming(socket);
-                    Task.WaitAll(task);
+                    StopStreaming(socket).GetAwaiter().GetResult();
                 }
             }
         }
 
         public async Task<bool> CheckTunerAvailability(IPAddress remoteIp, int tuner, CancellationToken cancellationToken)
         {
-            using (var socket = _socketFactory.CreateTcpSocket(remoteIp, HdHomeRunPort))
+            using (var client = new TcpClient(new IPEndPoint(remoteIp, HdHomeRunPort)))
+            using (var stream = client.GetStream())
             {
-                return await CheckTunerAvailability(socket, remoteIp, tuner, cancellationToken).ConfigureAwait(false);
+                return await CheckTunerAvailability(stream, tuner, cancellationToken).ConfigureAwait(false);
             }
         }
 
-        private static async Task<bool> CheckTunerAvailability(ISocket socket, IPAddress remoteIp, int tuner, CancellationToken cancellationToken)
+        private static async Task<bool> CheckTunerAvailability(NetworkStream stream, int tuner, CancellationToken cancellationToken)
         {
-            var ipEndPoint = new IPEndPoint(remoteIp, HdHomeRunPort);
-
             var lockkeyMsg = CreateGetMessage(tuner, "lockkey");
-            await socket.SendToAsync(lockkeyMsg, 0, lockkeyMsg.Length, ipEndPoint, cancellationToken);
+            await stream.WriteAsync(lockkeyMsg, 0, lockkeyMsg.Length, cancellationToken).ConfigureAwait(false);
 
-            var receiveBuffer = new byte[8192];
-            var response = await socket.ReceiveAsync(receiveBuffer, 0, receiveBuffer.Length, cancellationToken).ConfigureAwait(false);
+            byte[] buffer = ArrayPool<byte>.Shared.Rent(8192);
+            try
+            {
+                int receivedBytes = await stream.ReadAsync(buffer, 0, buffer.Length, cancellationToken).ConfigureAwait(false);
 
-            ParseReturnMessage(response.Buffer, response.ReceivedBytes, out string returnVal);
+                ParseReturnMessage(buffer, receivedBytes, out string returnVal);
 
-            return string.Equals(returnVal, "none", StringComparison.OrdinalIgnoreCase);
+                return string.Equals(returnVal, "none", StringComparison.OrdinalIgnoreCase);
+            }
+            finally
+            {
+                ArrayPool<byte>.Shared.Return(buffer);
+            }
         }
 
         public async Task StartStreaming(IPAddress remoteIp, IPAddress localIp, int localPort, IHdHomerunChannelCommands commands, int numTuners, CancellationToken cancellationToken)
         {
-            _remoteIp = remoteIp;
-
-            var tcpClient = _socketFactory.CreateTcpSocket(_remoteIp, HdHomeRunPort);
-            _currentTcpSocket = tcpClient;
+            _remoteEndPoint = new IPEndPoint(remoteIp, HdHomeRunPort);
 
-            var receiveBuffer = new byte[8192];
+            _tcpClient = new TcpClient(_remoteEndPoint);
 
             if (!_lockkey.HasValue)
             {
@@ -153,51 +147,64 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             }
 
             var lockKeyValue = _lockkey.Value;
+            var stream = _tcpClient.GetStream();
 
-            var ipEndPoint = new IPEndPoint(_remoteIp, HdHomeRunPort);
-
-            for (int i = 0; i < numTuners; ++i)
+            byte[] buffer = ArrayPool<byte>.Shared.Rent(8192);
+            try
             {
-                if (!await CheckTunerAvailability(tcpClient, _remoteIp, i, cancellationToken).ConfigureAwait(false))
-                    continue;
-
-                _activeTuner = i;
-                var lockKeyString = string.Format("{0:d}", lockKeyValue);
-                var lockkeyMsg = CreateSetMessage(i, "lockkey", lockKeyString, null);
-                await tcpClient.SendToAsync(lockkeyMsg, 0, lockkeyMsg.Length, ipEndPoint, cancellationToken).ConfigureAwait(false);
-                var response = await tcpClient.ReceiveAsync(receiveBuffer, 0, receiveBuffer.Length, cancellationToken).ConfigureAwait(false);
-                // parse response to make sure it worked
-                if (!ParseReturnMessage(response.Buffer, response.ReceivedBytes, out var returnVal))
-                    continue;
-
-                var commandList = commands.GetCommands();
-                foreach (Tuple<string, string> command in commandList)
+                for (int i = 0; i < numTuners; ++i)
                 {
-                    var channelMsg = CreateSetMessage(i, command.Item1, command.Item2, lockKeyValue);
-                    await tcpClient.SendToAsync(channelMsg, 0, channelMsg.Length, ipEndPoint, cancellationToken).ConfigureAwait(false);
-                    response = await tcpClient.ReceiveAsync(receiveBuffer, 0, receiveBuffer.Length, cancellationToken).ConfigureAwait(false);
+                    if (!await CheckTunerAvailability(stream, i, cancellationToken).ConfigureAwait(false))
+                    {
+                        continue;
+                    }
+
+                    _activeTuner = i;
+                    var lockKeyString = string.Format("{0:d}", lockKeyValue);
+                    var lockkeyMsg = CreateSetMessage(i, "lockkey", lockKeyString, null);
+                    await stream.WriteAsync(lockkeyMsg, 0, lockkeyMsg.Length, cancellationToken).ConfigureAwait(false);
+                    int receivedBytes = await stream.ReadAsync(buffer, 0, buffer.Length, cancellationToken).ConfigureAwait(false);
+
                     // parse response to make sure it worked
-                    if (!ParseReturnMessage(response.Buffer, response.ReceivedBytes, out returnVal))
+                    if (!ParseReturnMessage(buffer, receivedBytes, out _))
                     {
-                        await ReleaseLockkey(tcpClient, lockKeyValue).ConfigureAwait(false);
                         continue;
                     }
 
-                }
+                    var commandList = commands.GetCommands();
+                    foreach (var command in commandList)
+                    {
+                        var channelMsg = CreateSetMessage(i, command.Item1, command.Item2, lockKeyValue);
+                        await stream.WriteAsync(channelMsg, 0, channelMsg.Length, cancellationToken).ConfigureAwait(false);
+                        receivedBytes = await stream.ReadAsync(buffer, 0, buffer.Length, cancellationToken).ConfigureAwait(false);
+
+                        // parse response to make sure it worked
+                        if (!ParseReturnMessage(buffer, receivedBytes, out _))
+                        {
+                            await ReleaseLockkey(_tcpClient, lockKeyValue).ConfigureAwait(false);
+                            continue;
+                        }
+                    }
 
-                var targetValue = string.Format("rtp://{0}:{1}", localIp, localPort);
-                var targetMsg = CreateSetMessage(i, "target", targetValue, lockKeyValue);
+                    var targetValue = string.Format("rtp://{0}:{1}", localIp, localPort);
+                    var targetMsg = CreateSetMessage(i, "target", targetValue, lockKeyValue);
 
-                await tcpClient.SendToAsync(targetMsg, 0, targetMsg.Length, ipEndPoint, cancellationToken).ConfigureAwait(false);
-                response = await tcpClient.ReceiveAsync(receiveBuffer, 0, receiveBuffer.Length, cancellationToken).ConfigureAwait(false);
-                // parse response to make sure it worked
-                if (!ParseReturnMessage(response.Buffer, response.ReceivedBytes, out returnVal))
-                {
-                    await ReleaseLockkey(tcpClient, lockKeyValue).ConfigureAwait(false);
-                    continue;
-                }
+                    await stream.WriteAsync(targetMsg, 0, targetMsg.Length, cancellationToken).ConfigureAwait(false);
+                    receivedBytes = await stream.ReadAsync(buffer, 0, buffer.Length, cancellationToken).ConfigureAwait(false);
 
-                return;
+                    // parse response to make sure it worked
+                    if (!ParseReturnMessage(buffer, receivedBytes, out _))
+                    {
+                        await ReleaseLockkey(_tcpClient, lockKeyValue).ConfigureAwait(false);
+                        continue;
+                    }
+
+                    return;
+                }
+            }
+            finally
+            {
+                ArrayPool<byte>.Shared.Return(buffer);
             }
 
             _activeTuner = -1;
@@ -207,58 +214,74 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
         public async Task ChangeChannel(IHdHomerunChannelCommands commands, CancellationToken cancellationToken)
         {
             if (!_lockkey.HasValue)
+            {
                 return;
+            }
 
-            using (var tcpClient = _socketFactory.CreateTcpSocket(_remoteIp, HdHomeRunPort))
+            using (var tcpClient = new TcpClient(_remoteEndPoint))
+            using (var stream = tcpClient.GetStream())
             {
                 var commandList = commands.GetCommands();
-                var receiveBuffer = new byte[8192];
-
-                foreach (Tuple<string, string> command in commandList)
+                byte[] buffer = ArrayPool<byte>.Shared.Rent(8192);
+                try
                 {
-                    var channelMsg = CreateSetMessage(_activeTuner, command.Item1, command.Item2, _lockkey);
-                    await tcpClient.SendToAsync(channelMsg, 0, channelMsg.Length, new IPEndPoint(_remoteIp, HdHomeRunPort), cancellationToken).ConfigureAwait(false);
-                    var response = await tcpClient.ReceiveAsync(receiveBuffer, 0, receiveBuffer.Length, cancellationToken).ConfigureAwait(false);
-                    // parse response to make sure it worked
-                    if (!ParseReturnMessage(response.Buffer, response.ReceivedBytes, out string returnVal))
+                    foreach (var command in commandList)
                     {
-                        return;
+                        var channelMsg = CreateSetMessage(_activeTuner, command.Item1, command.Item2, _lockkey);
+                        await stream.WriteAsync(channelMsg, 0, channelMsg.Length, cancellationToken).ConfigureAwait(false);
+                        int receivedBytes = await stream.ReadAsync(buffer, 0, buffer.Length, cancellationToken).ConfigureAwait(false);
+
+                        // parse response to make sure it worked
+                        if (!ParseReturnMessage(buffer, receivedBytes, out _))
+                        {
+                            return;
+                        }
                     }
                 }
+                finally
+                {
+                    ArrayPool<byte>.Shared.Return(buffer);
+                }
             }
         }
 
-        public Task StopStreaming(ISocket socket)
+        public Task StopStreaming(TcpClient client)
         {
             var lockKey = _lockkey;
 
             if (!lockKey.HasValue)
+            {
                 return Task.CompletedTask;
+            }
 
-            return ReleaseLockkey(socket, lockKey.Value);
+            return ReleaseLockkey(client, lockKey.Value);
         }
 
-        private async Task ReleaseLockkey(ISocket tcpClient, uint lockKeyValue)
+        private async Task ReleaseLockkey(TcpClient client, uint lockKeyValue)
         {
-            _logger.LogInformation("HdHomerunManager.ReleaseLockkey {0}", lockKeyValue);
-
-            var ipEndPoint = new IPEndPoint(_remoteIp, HdHomeRunPort);
+            var stream = client.GetStream();
 
             var releaseTarget = CreateSetMessage(_activeTuner, "target", "none", lockKeyValue);
-            await tcpClient.SendToAsync(releaseTarget, 0, releaseTarget.Length, ipEndPoint, CancellationToken.None).ConfigureAwait(false);
+            await stream.WriteAsync(releaseTarget, 0, releaseTarget.Length).ConfigureAwait(false);
 
-            var receiveBuffer = new byte[8192];
-
-            await tcpClient.ReceiveAsync(receiveBuffer, 0, receiveBuffer.Length, CancellationToken.None).ConfigureAwait(false);
-            var releaseKeyMsg = CreateSetMessage(_activeTuner, "lockkey", "none", lockKeyValue);
-            _lockkey = null;
-            await tcpClient.SendToAsync(releaseKeyMsg, 0, releaseKeyMsg.Length, ipEndPoint, CancellationToken.None).ConfigureAwait(false);
-            await tcpClient.ReceiveAsync(receiveBuffer, 0, receiveBuffer.Length, CancellationToken.None).ConfigureAwait(false);
+            var buffer = ArrayPool<byte>.Shared.Rent(8192);
+            try
+            {
+                await stream.ReadAsync(buffer, 0, buffer.Length).ConfigureAwait(false);
+                var releaseKeyMsg = CreateSetMessage(_activeTuner, "lockkey", "none", lockKeyValue);
+                _lockkey = null;
+                await stream.WriteAsync(releaseKeyMsg, 0, releaseKeyMsg.Length).ConfigureAwait(false);
+                await stream.ReadAsync(buffer, 0, buffer.Length).ConfigureAwait(false);
+            }
+            finally
+            {
+                ArrayPool<byte>.Shared.Return(buffer);
+            }
         }
 
         private static byte[] CreateGetMessage(int tuner, string name)
         {
-            var byteName = Encoding.UTF8.GetBytes(string.Format("/tuner{0}/{1}\0", tuner, name));
+            var byteName = Encoding.UTF8.GetBytes(string.Format(CultureInfo.InvariantCulture, "/tuner{0}/{1}\0", tuner, name));
             int messageLength = byteName.Length + 10; // 4 bytes for header + 4 bytes for crc + 2 bytes for tag name and length
 
             var message = new byte[messageLength];
@@ -270,7 +293,10 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             // calculate crc and insert at the end of the message
             var crcBytes = BitConverter.GetBytes(HdHomerunCrc.GetCrc32(message, messageLength - 4));
             if (flipEndian)
+            {
                 Array.Reverse(crcBytes);
+            }
+
             Buffer.BlockCopy(crcBytes, 0, message, offset, 4);
 
             return message;
@@ -278,12 +304,14 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
 
         private static byte[] CreateSetMessage(int tuner, string name, string value, uint? lockkey)
         {
-            var byteName = Encoding.UTF8.GetBytes(string.Format("/tuner{0}/{1}\0", tuner, name));
-            var byteValue = Encoding.UTF8.GetBytes(string.Format("{0}\0", value));
+            var byteName = Encoding.UTF8.GetBytes(string.Format(CultureInfo.InvariantCulture, "/tuner{0}/{1}\0", tuner, name));
+            var byteValue = Encoding.UTF8.GetBytes(string.Format(CultureInfo.InvariantCulture, "{0}\0", value));
 
             int messageLength = byteName.Length + byteValue.Length + 12;
             if (lockkey.HasValue)
+            {
                 messageLength += 6;
+            }
 
             var message = new byte[messageLength];
 
@@ -291,21 +319,20 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
 
             bool flipEndian = BitConverter.IsLittleEndian;
 
-            message[offset] = GetSetValue;
-            offset++;
-            message[offset] = Convert.ToByte(byteValue.Length);
-            offset++;
+            message[offset++] = GetSetValue;
+            message[offset++] = Convert.ToByte(byteValue.Length);
             Buffer.BlockCopy(byteValue, 0, message, offset, byteValue.Length);
             offset += byteValue.Length;
             if (lockkey.HasValue)
             {
-                message[offset] = GetSetLockkey;
-                offset++;
-                message[offset] = (byte)4;
-                offset++;
+                message[offset++] = GetSetLockkey;
+                message[offset++] = 4;
                 var lockKeyBytes = BitConverter.GetBytes(lockkey.Value);
                 if (flipEndian)
+                {
                     Array.Reverse(lockKeyBytes);
+                }
+
                 Buffer.BlockCopy(lockKeyBytes, 0, message, offset, 4);
                 offset += 4;
             }
@@ -313,7 +340,10 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             // calculate crc and insert at the end of the message
             var crcBytes = BitConverter.GetBytes(HdHomerunCrc.GetCrc32(message, messageLength - 4));
             if (flipEndian)
+            {
                 Array.Reverse(crcBytes);
+            }
+
             Buffer.BlockCopy(crcBytes, 0, message, offset, 4);
 
             return message;
@@ -342,10 +372,8 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             offset += 2;
 
             // insert tag name and length
-            message[offset] = GetSetName;
-            offset++;
-            message[offset] = Convert.ToByte(byteName.Length);
-            offset++;
+            message[offset++] = GetSetName;
+            message[offset++] = Convert.ToByte(byteName.Length);
 
             // insert name string
             Buffer.BlockCopy(byteName, 0, message, offset, byteName.Length);
@@ -359,7 +387,9 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             returnVal = string.Empty;
 
             if (numBytes < 4)
+            {
                 return false;
+            }
 
             var flipEndian = BitConverter.IsLittleEndian;
             int offset = 0;
@@ -367,45 +397,49 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             Buffer.BlockCopy(buf, offset, msgTypeBytes, 0, msgTypeBytes.Length);
 
             if (flipEndian)
+            {
                 Array.Reverse(msgTypeBytes);
+            }
 
             var msgType = BitConverter.ToUInt16(msgTypeBytes, 0);
             offset += 2;
 
             if (msgType != GetSetReply)
+            {
                 return false;
+            }
 
             byte[] msgLengthBytes = new byte[2];
             Buffer.BlockCopy(buf, offset, msgLengthBytes, 0, msgLengthBytes.Length);
             if (flipEndian)
+            {
                 Array.Reverse(msgLengthBytes);
+            }
 
             var msgLength = BitConverter.ToUInt16(msgLengthBytes, 0);
             offset += 2;
 
             if (numBytes < msgLength + 8)
+            {
                 return false;
+            }
 
-            var nameTag = buf[offset];
-            offset++;
+            offset++; // Name Tag
 
-            var nameLength = buf[offset];
-            offset++;
+            var nameLength = buf[offset++];
 
             // skip the name field to get to value for return
             offset += nameLength;
 
-            var valueTag = buf[offset];
-            offset++;
+            offset++; // Value Tag
 
-            var valueLength = buf[offset];
-            offset++;
+            var valueLength = buf[offset++];
 
             returnVal = Encoding.UTF8.GetString(buf, offset, valueLength - 1); // remove null terminator
             return true;
         }
 
-        private class HdHomerunCrc
+        private static class HdHomerunCrc
         {
             private static uint[] crc_table = {
             0x00000000, 0x77073096, 0xee0e612c, 0x990951ba,
@@ -477,15 +511,16 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             {
                 var hash = 0xffffffff;
                 for (var i = 0; i < numBytes; i++)
+                {
                     hash = (hash >> 8) ^ crc_table[(hash ^ bytes[i]) & 0xff];
+                }
 
                 var tmp = ~hash & 0xffffffff;
                 var b0 = tmp & 0xff;
                 var b1 = (tmp >> 8) & 0xff;
                 var b2 = (tmp >> 16) & 0xff;
                 var b3 = (tmp >> 24) & 0xff;
-                hash = (b0 << 24) | (b1 << 16) | (b2 << 8) | b3;
-                return hash;
+                return (b0 << 24) | (b1 << 16) | (b2 << 8) | b3;
             }
         }
     }
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs
index ec708cf20..eafa86d54 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs
@@ -18,9 +18,9 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
 {
     public class HdHomerunUdpStream : LiveStream, IDirectStreamProvider
     {
-        private readonly IServerApplicationHost _appHost;
-        private readonly MediaBrowser.Model.Net.ISocketFactory _socketFactory;
+        private const int RtpHeaderBytes = 12;
 
+        private readonly IServerApplicationHost _appHost;
         private readonly IHdHomerunChannelCommands _channelCommands;
         private readonly int _numTuners;
         private readonly INetworkManager _networkManager;
@@ -32,16 +32,14 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             IHdHomerunChannelCommands channelCommands,
             int numTuners,
             IFileSystem fileSystem,
-            IHttpClient httpClient,
             ILogger logger,
             IServerApplicationPaths appPaths,
             IServerApplicationHost appHost,
-            MediaBrowser.Model.Net.ISocketFactory socketFactory,
-            INetworkManager networkManager)
-            : base(mediaSource, tunerHostInfo, fileSystem, logger, appPaths)
+            INetworkManager networkManager,
+            IStreamHelper streamHelper)
+            : base(mediaSource, tunerHostInfo, fileSystem, logger, appPaths, streamHelper)
         {
             _appHost = appHost;
-            _socketFactory = socketFactory;
             _networkManager = networkManager;
             OriginalStreamId = originalStreamId;
             _channelCommands = channelCommands;
@@ -49,13 +47,6 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             EnableStreamSharing = true;
         }
 
-        private static Socket CreateSocket(AddressFamily addressFamily, SocketType socketType, ProtocolType protocolType)
-        {
-            var socket = new Socket(addressFamily, SocketType.Stream, ProtocolType.Tcp);
-
-            return socket;
-        }
-
         public override async Task Open(CancellationToken openCancellationToken)
         {
             LiveStreamCancellationTokenSource.Token.ThrowIfCancellationRequested();
@@ -71,13 +62,13 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
 
             var remoteAddress = IPAddress.Parse(uri.Host);
             IPAddress localAddress = null;
-            using (var tcpSocket = CreateSocket(remoteAddress.AddressFamily, SocketType.Stream, ProtocolType.Tcp))
+            using (var tcpClient = new TcpClient())
             {
                 try
                 {
-                    tcpSocket.Connect(new IPEndPoint(remoteAddress, HdHomerunManager.HdHomeRunPort));
-                    localAddress = ((IPEndPoint)tcpSocket.LocalEndPoint).Address;
-                    tcpSocket.Close();
+                    await tcpClient.ConnectAsync(remoteAddress, HdHomerunManager.HdHomeRunPort).ConfigureAwait(false);
+                    localAddress = ((IPEndPoint)tcpClient.Client.RemoteEndPoint).Address;
+                    tcpClient.Close();
                 }
                 catch (Exception ex)
                 {
@@ -86,13 +77,19 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                 }
             }
 
-            var udpClient = _socketFactory.CreateUdpSocket(localPort);
-            var hdHomerunManager = new HdHomerunManager(_socketFactory, Logger);
+            var udpClient = new UdpClient(localPort, AddressFamily.InterNetwork);
+            var hdHomerunManager = new HdHomerunManager();
 
             try
             {
                 // send url to start streaming
-                await hdHomerunManager.StartStreaming(remoteAddress, localAddress, localPort, _channelCommands, _numTuners, openCancellationToken).ConfigureAwait(false);
+                await hdHomerunManager.StartStreaming(
+                    remoteAddress,
+                    localAddress,
+                    localPort,
+                    _channelCommands,
+                    _numTuners,
+                    openCancellationToken).ConfigureAwait(false);
             }
             catch (Exception ex)
             {
@@ -103,13 +100,19 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                     {
                         Logger.LogError(ex, "Error opening live stream:");
                     }
+
                     throw;
                 }
             }
 
             var taskCompletionSource = new TaskCompletionSource<bool>();
 
-            await StartStreaming(udpClient, hdHomerunManager, remoteAddress, taskCompletionSource, LiveStreamCancellationTokenSource.Token);
+            await StartStreaming(
+                udpClient,
+                hdHomerunManager,
+                remoteAddress,
+                taskCompletionSource,
+                LiveStreamCancellationTokenSource.Token).ConfigureAwait(false);
 
             //OpenedMediaSource.Protocol = MediaProtocol.File;
             //OpenedMediaSource.Path = tempFile;
@@ -125,7 +128,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             await taskCompletionSource.Task.ConfigureAwait(false);
         }
 
-        private Task StartStreaming(MediaBrowser.Model.Net.ISocket udpClient, HdHomerunManager hdHomerunManager, IPAddress remoteAddress, TaskCompletionSource<bool> openTaskCompletionSource, CancellationToken cancellationToken)
+        private Task StartStreaming(UdpClient udpClient, HdHomerunManager hdHomerunManager, IPAddress remoteAddress, TaskCompletionSource<bool> openTaskCompletionSource, CancellationToken cancellationToken)
         {
             return Task.Run(async () =>
             {
@@ -154,170 +157,47 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             });
         }
 
-        private static void Resolve(TaskCompletionSource<bool> openTaskCompletionSource)
+        private async Task CopyTo(UdpClient udpClient, string file, TaskCompletionSource<bool> openTaskCompletionSource, CancellationToken cancellationToken)
         {
-            Task.Run(() =>
-            {
-                openTaskCompletionSource.TrySetResult(true);
-            });
-        }
-
-        private const int RtpHeaderBytes = 12;
-
-        private async Task CopyTo(MediaBrowser.Model.Net.ISocket udpClient, string file, TaskCompletionSource<bool> openTaskCompletionSource, CancellationToken cancellationToken)
-        {
-            var bufferSize = 81920;
-
-            byte[] buffer = new byte[bufferSize];
-            int read;
             var resolved = false;
 
-            using (var source = _socketFactory.CreateNetworkStream(udpClient, false))
-            using (var fileStream = FileSystem.GetFileStream(file, FileOpenMode.Create, FileAccessMode.Write, FileShareMode.Read, FileOpenOptions.None))
+            using (var fileStream = new FileStream(file, FileMode.Create, FileAccess.Write, FileShare.Read))
             {
-                var currentCancellationToken = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, new CancellationTokenSource(TimeSpan.FromSeconds(30)).Token).Token;
-
-                while ((read = await source.ReadAsync(buffer, 0, buffer.Length, currentCancellationToken).ConfigureAwait(false)) != 0)
+                while (true)
                 {
                     cancellationToken.ThrowIfCancellationRequested();
-
-                    currentCancellationToken = cancellationToken;
-
-                    read -= RtpHeaderBytes;
-
-                    if (read > 0)
+                    using (var timeOutSource = new CancellationTokenSource())
+                    using (var linkedSource = CancellationTokenSource.CreateLinkedTokenSource(
+                        cancellationToken,
+                        timeOutSource.Token))
                     {
-                        fileStream.Write(buffer, RtpHeaderBytes, read);
+                        var resTask = udpClient.ReceiveAsync();
+                        if (await Task.WhenAny(resTask, Task.Delay(30000, linkedSource.Token)).ConfigureAwait(false) != resTask)
+                        {
+                            resTask.Dispose();
+                            break;
+                        }
+
+                        // We don't want all these delay tasks to keep running
+                        timeOutSource.Cancel();
+                        var res = await resTask.ConfigureAwait(false);
+                        var buffer = res.Buffer;
+
+                        var read = buffer.Length - RtpHeaderBytes;
+
+                        if (read > 0)
+                        {
+                            fileStream.Write(buffer, RtpHeaderBytes, read);
+                        }
+
+                        if (!resolved)
+                        {
+                            resolved = true;
+                            DateOpened = DateTime.UtcNow;
+                            openTaskCompletionSource.TrySetResult(true);
+                        }
                     }
-
-                    if (!resolved)
-                    {
-                        resolved = true;
-                        DateOpened = DateTime.UtcNow;
-                        Resolve(openTaskCompletionSource);
-                    }
-                }
-            }
-        }
-
-        public class UdpClientStream : Stream
-        {
-            private static int RtpHeaderBytes = 12;
-            private static int PacketSize = 1316;
-            private readonly MediaBrowser.Model.Net.ISocket _udpClient;
-            bool disposed;
-
-            public UdpClientStream(MediaBrowser.Model.Net.ISocket udpClient) : base()
-            {
-                _udpClient = udpClient;
-            }
-
-            public override async Task<int> ReadAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
-            {
-                if (buffer == null)
-                    throw new ArgumentNullException(nameof(buffer));
-
-                if (offset + count < 0)
-                    throw new ArgumentOutOfRangeException(nameof(offset), "offset + count must not be negative");
-
-                if (offset + count > buffer.Length)
-                    throw new ArgumentException("offset + count must not be greater than the length of buffer");
-
-                if (disposed)
-                    throw new ObjectDisposedException(nameof(UdpClientStream));
-
-                // This will always receive a 1328 packet size (PacketSize + RtpHeaderSize)
-                // The RTP header will be stripped so see how many reads we need to make to fill the buffer.
-                int numReads = count / PacketSize;
-                int totalBytesRead = 0;
-                byte[] receiveBuffer = new byte[81920];
-
-                for (int i = 0; i < numReads; ++i)
-                {
-                    var data = await _udpClient.ReceiveAsync(receiveBuffer, 0, receiveBuffer.Length, cancellationToken).ConfigureAwait(false);
-
-                    var bytesRead = data.ReceivedBytes - RtpHeaderBytes;
-
-                    // remove rtp header
-                    Buffer.BlockCopy(data.Buffer, RtpHeaderBytes, buffer, offset, bytesRead);
-                    offset += bytesRead;
-                    totalBytesRead += bytesRead;
                 }
-                return totalBytesRead;
-            }
-
-            public override int Read(byte[] buffer, int offset, int count)
-            {
-                if (buffer == null)
-                    throw new ArgumentNullException(nameof(buffer));
-
-                if (offset + count < 0)
-                    throw new ArgumentOutOfRangeException("offset + count must not be negative", "offset+count");
-
-                if (offset + count > buffer.Length)
-                    throw new ArgumentException("offset + count must not be greater than the length of buffer");
-
-                if (disposed)
-                    throw new ObjectDisposedException(nameof(UdpClientStream));
-
-                // This will always receive a 1328 packet size (PacketSize + RtpHeaderSize)
-                // The RTP header will be stripped so see how many reads we need to make to fill the buffer.
-                int numReads = count / PacketSize;
-                int totalBytesRead = 0;
-                byte[] receiveBuffer = new byte[81920];
-
-                for (int i = 0; i < numReads; ++i)
-                {
-                    var receivedBytes = _udpClient.Receive(receiveBuffer, 0, receiveBuffer.Length);
-
-                    var bytesRead = receivedBytes - RtpHeaderBytes;
-
-                    // remove rtp header
-                    Buffer.BlockCopy(receiveBuffer, RtpHeaderBytes, buffer, offset, bytesRead);
-                    offset += bytesRead;
-                    totalBytesRead += bytesRead;
-                }
-                return totalBytesRead;
-            }
-
-            protected override void Dispose(bool disposing)
-            {
-                disposed = true;
-            }
-
-            public override bool CanRead => throw new NotImplementedException();
-
-            public override bool CanSeek => throw new NotImplementedException();
-
-            public override bool CanWrite => throw new NotImplementedException();
-
-            public override long Length => throw new NotImplementedException();
-
-            public override long Position
-            {
-                get => throw new NotImplementedException();
-
-                set => throw new NotImplementedException();
-            }
-
-            public override void Flush()
-            {
-                throw new NotImplementedException();
-            }
-
-            public override long Seek(long offset, SeekOrigin origin)
-            {
-                throw new NotImplementedException();
-            }
-
-            public override void SetLength(long value)
-            {
-                throw new NotImplementedException();
-            }
-
-            public override void Write(byte[] buffer, int offset, int count)
-            {
-                throw new NotImplementedException();
             }
         }
     }
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs
index ece2cbd54..d12c96392 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Threading;
@@ -15,34 +16,28 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 {
     public class LiveStream : ILiveStream
     {
-        public MediaSourceInfo OriginalMediaSource { get; set; }
-        public MediaSourceInfo MediaSource { get; set; }
-
-        public int ConsumerCount { get; set; }
-
-        public string OriginalStreamId { get; set; }
-        public bool EnableStreamSharing { get; set; }
-        public string UniqueId { get; }
-
         protected readonly IFileSystem FileSystem;
         protected readonly IServerApplicationPaths AppPaths;
+        protected readonly IStreamHelper StreamHelper;
 
         protected string TempFilePath;
         protected readonly ILogger Logger;
         protected readonly CancellationTokenSource LiveStreamCancellationTokenSource = new CancellationTokenSource();
 
-        public string TunerHostId { get; }
-
-        public DateTime DateOpened { get; protected set; }
-
-        public LiveStream(MediaSourceInfo mediaSource, TunerHostInfo tuner, IFileSystem fileSystem, ILogger logger, IServerApplicationPaths appPaths)
+        public LiveStream(
+            MediaSourceInfo mediaSource,
+            TunerHostInfo tuner,
+            IFileSystem fileSystem,
+            ILogger logger,
+            IServerApplicationPaths appPaths,
+            IStreamHelper streamHelper)
         {
             OriginalMediaSource = mediaSource;
             FileSystem = fileSystem;
             MediaSource = mediaSource;
             Logger = logger;
             EnableStreamSharing = true;
-            UniqueId = Guid.NewGuid().ToString("N");
+            UniqueId = Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture);
 
             if (tuner != null)
             {
@@ -50,11 +45,27 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
             }
 
             AppPaths = appPaths;
+            StreamHelper = streamHelper;
 
             ConsumerCount = 1;
             SetTempFilePath("ts");
         }
 
+        protected virtual int EmptyReadLimit => 1000;
+
+        public MediaSourceInfo OriginalMediaSource { get; set; }
+        public MediaSourceInfo MediaSource { get; set; }
+
+        public int ConsumerCount { get; set; }
+
+        public string OriginalStreamId { get; set; }
+        public bool EnableStreamSharing { get; set; }
+        public string UniqueId { get; }
+
+        public string TunerHostId { get; }
+
+        public DateTime DateOpened { get; protected set; }
+
         protected void SetTempFilePath(string extension)
         {
             TempFilePath = Path.Combine(AppPaths.GetTranscodingTempPath(), UniqueId + "." + extension);
@@ -70,24 +81,21 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
         {
             EnableStreamSharing = false;
 
-            Logger.LogInformation("Closing " + GetType().Name);
+            Logger.LogInformation("Closing {Type}", GetType().Name);
 
             LiveStreamCancellationTokenSource.Cancel();
 
             return Task.CompletedTask;
         }
 
-        protected Stream GetInputStream(string path, bool allowAsyncFileRead)
-        {
-            var fileOpenOptions = FileOpenOptions.SequentialScan;
-
-            if (allowAsyncFileRead)
-            {
-                fileOpenOptions |= FileOpenOptions.Asynchronous;
-            }
-
-            return FileSystem.GetFileStream(path, FileOpenMode.Open, FileAccessMode.Read, FileShareMode.ReadWrite, fileOpenOptions);
-        }
+        protected FileStream GetInputStream(string path, bool allowAsyncFileRead)
+            => new FileStream(
+                path,
+                FileMode.Open,
+                FileAccess.Read,
+                FileShare.ReadWrite,
+                StreamDefaults.DefaultFileStreamBufferSize,
+                allowAsyncFileRead ? FileOptions.SequentialScan | FileOptions.Asynchronous : FileOptions.SequentialScan);
 
         public Task DeleteTempFiles()
         {
@@ -143,8 +151,8 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
             bool seekFile = (DateTime.UtcNow - DateOpened).TotalSeconds > 10;
 
             var nextFileInfo = GetNextFile(null);
-            var nextFile = nextFileInfo.Item1;
-            var isLastFile = nextFileInfo.Item2;
+            var nextFile = nextFileInfo.file;
+            var isLastFile = nextFileInfo.isLastFile;
 
             while (!string.IsNullOrEmpty(nextFile))
             {
@@ -154,8 +162,8 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 
                 seekFile = false;
                 nextFileInfo = GetNextFile(nextFile);
-                nextFile = nextFileInfo.Item1;
-                isLastFile = nextFileInfo.Item2;
+                nextFile = nextFileInfo.file;
+                isLastFile = nextFileInfo.isLastFile;
             }
 
             Logger.LogInformation("Live Stream ended.");
@@ -179,19 +187,22 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 
         private async Task CopyFile(string path, bool seekFile, int emptyReadLimit, bool allowAsync, Stream stream, CancellationToken cancellationToken)
         {
-            using (var inputStream = (FileStream)GetInputStream(path, allowAsync))
+            using (var inputStream = GetInputStream(path, allowAsync))
             {
                 if (seekFile)
                 {
                     TrySeek(inputStream, -20000);
                 }
 
-                await ApplicationHost.StreamHelper.CopyToAsync(inputStream, stream, 81920, emptyReadLimit, cancellationToken).ConfigureAwait(false);
+                await StreamHelper.CopyToAsync(
+                    inputStream,
+                    stream,
+                    StreamDefaults.DefaultCopyToBufferSize,
+                    emptyReadLimit,
+                    cancellationToken).ConfigureAwait(false);
             }
         }
 
-        protected virtual int EmptyReadLimit => 1000;
-
         private void TrySeek(FileStream stream, long offset)
         {
             if (!stream.CanSeek)
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/M3UTunerHost.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/M3UTunerHost.cs
index 2d9bec53f..a02a9ade4 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/M3UTunerHost.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/M3UTunerHost.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Threading;
@@ -27,14 +28,25 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
         private readonly IServerApplicationHost _appHost;
         private readonly INetworkManager _networkManager;
         private readonly IMediaSourceManager _mediaSourceManager;
-
-        public M3UTunerHost(IServerConfigurationManager config, IMediaSourceManager mediaSourceManager, ILogger logger, IJsonSerializer jsonSerializer, IFileSystem fileSystem, IHttpClient httpClient, IServerApplicationHost appHost, INetworkManager networkManager)
+        private readonly IStreamHelper _streamHelper;
+
+        public M3UTunerHost(
+            IServerConfigurationManager config,
+            IMediaSourceManager mediaSourceManager,
+            ILogger logger,
+            IJsonSerializer jsonSerializer,
+            IFileSystem fileSystem,
+            IHttpClient httpClient,
+            IServerApplicationHost appHost,
+            INetworkManager networkManager,
+            IStreamHelper streamHelper)
             : base(config, logger, jsonSerializer, fileSystem)
         {
             _httpClient = httpClient;
             _appHost = appHost;
             _networkManager = networkManager;
             _mediaSourceManager = mediaSourceManager;
+            _streamHelper = streamHelper;
         }
 
         public override string Type => "m3u";
@@ -43,7 +55,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 
         private string GetFullChannelIdPrefix(TunerHostInfo info)
         {
-            return ChannelIdPrefix + info.Url.GetMD5().ToString("N");
+            return ChannelIdPrefix + info.Url.GetMD5().ToString("N", CultureInfo.InvariantCulture);
         }
 
         protected override async Task<List<ChannelInfo>> GetChannelsInternal(TunerHostInfo info, CancellationToken cancellationToken)
@@ -61,7 +73,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
                 Name = Name,
                 SourceType = Type,
                 Status = LiveTvTunerStatus.Available,
-                Id = i.Url.GetMD5().ToString("N"),
+                Id = i.Url.GetMD5().ToString("N", CultureInfo.InvariantCulture),
                 Url = i.Url
             })
             .ToList();
@@ -102,11 +114,11 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 
                 if (!_disallowedSharedStreamExtensions.Contains(extension, StringComparer.OrdinalIgnoreCase))
                 {
-                    return new SharedHttpStream(mediaSource, info, streamId, FileSystem, _httpClient, Logger, Config.ApplicationPaths, _appHost);
+                    return new SharedHttpStream(mediaSource, info, streamId, FileSystem, _httpClient, Logger, Config.ApplicationPaths, _appHost, _streamHelper);
                 }
             }
 
-            return new LiveStream(mediaSource, info, FileSystem, Logger, Config.ApplicationPaths);
+            return new LiveStream(mediaSource, info, FileSystem, Logger, Config.ApplicationPaths, _streamHelper);
         }
 
         public async Task Validate(TunerHostInfo info)
@@ -173,7 +185,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 
                 ReadAtNativeFramerate = false,
 
-                Id = channel.Path.GetMD5().ToString("N"),
+                Id = channel.Path.GetMD5().ToString("N", CultureInfo.InvariantCulture),
                 IsInfiniteStream = true,
                 IsRemote = isRemote,
 
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs
index 814031b12..3d2267e75 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs
@@ -58,6 +58,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
                     UserAgent = _appHost.ApplicationUserAgent
                 });
             }
+
             return Task.FromResult((Stream)File.OpenRead(url));
         }
 
@@ -92,11 +93,11 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
                     var channel = GetChannelnfo(extInf, tunerHostId, line);
                     if (string.IsNullOrWhiteSpace(channel.Id))
                     {
-                        channel.Id = channelIdPrefix + line.GetMD5().ToString("N");
+                        channel.Id = channelIdPrefix + line.GetMD5().ToString("N", CultureInfo.InvariantCulture);
                     }
                     else
                     {
-                        channel.Id = channelIdPrefix + channel.Id.GetMD5().ToString("N");
+                        channel.Id = channelIdPrefix + channel.Id.GetMD5().ToString("N", CultureInfo.InvariantCulture);
                     }
 
                     channel.Path = line;
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/SharedHttpStream.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/SharedHttpStream.cs
index 7de9931c7..c6e894560 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/SharedHttpStream.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/SharedHttpStream.cs
@@ -19,8 +19,17 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
         private readonly IHttpClient _httpClient;
         private readonly IServerApplicationHost _appHost;
 
-        public SharedHttpStream(MediaSourceInfo mediaSource, TunerHostInfo tunerHostInfo, string originalStreamId, IFileSystem fileSystem, IHttpClient httpClient, ILogger logger, IServerApplicationPaths appPaths, IServerApplicationHost appHost)
-            : base(mediaSource, tunerHostInfo, fileSystem, logger, appPaths)
+        public SharedHttpStream(
+            MediaSourceInfo mediaSource,
+            TunerHostInfo tunerHostInfo,
+            string originalStreamId,
+            IFileSystem fileSystem,
+            IHttpClient httpClient,
+            ILogger logger,
+            IServerApplicationPaths appPaths,
+            IServerApplicationHost appHost,
+            IStreamHelper streamHelper)
+            : base(mediaSource, tunerHostInfo, fileSystem, logger, appPaths, streamHelper)
         {
             _httpClient = httpClient;
             _appHost = appHost;
@@ -118,7 +127,12 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
                     using (var stream = response.Content)
                     using (var fileStream = FileSystem.GetFileStream(TempFilePath, FileOpenMode.Create, FileAccessMode.Write, FileShareMode.Read, FileOpenOptions.None))
                     {
-                        await ApplicationHost.StreamHelper.CopyToAsync(stream, fileStream, 81920, () => Resolve(openTaskCompletionSource), cancellationToken).ConfigureAwait(false);
+                        await StreamHelper.CopyToAsync(
+                            stream,
+                            fileStream,
+                            StreamDefaults.DefaultCopyToBufferSize,
+                            () => Resolve(openTaskCompletionSource),
+                            cancellationToken).ConfigureAwait(false);
                     }
                 }
                 catch (OperationCanceledException)
@@ -128,6 +142,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
                 {
                     Logger.LogError(ex, "Error copying live stream.");
                 }
+
                 EnableStreamSharing = false;
                 await DeleteTempFiles(new List<string> { TempFilePath }).ConfigureAwait(false);
             });
diff --git a/Emby.Server.Implementations/Localization/Core/ar.json b/Emby.Server.Implementations/Localization/Core/ar.json
index eb145b4fe..4da3cdd3b 100644
--- a/Emby.Server.Implementations/Localization/Core/ar.json
+++ b/Emby.Server.Implementations/Localization/Core/ar.json
@@ -1,22 +1,22 @@
 {
-    "Albums": "الألبومات",
-    "AppDeviceValues": "التطبيق: {0}. الجهاز: {1}.",
+    "Albums": "ألبومات",
+    "AppDeviceValues": "تطبيق: {0}, جهاز: {1}",
     "Application": "التطبيق",
-    "Artists": "الفنانون",
-    "AuthenticationSucceededWithUserName": "تم التأكد من {0} بنجاح",
-    "Books": "الكتب",
-    "CameraImageUploadedFrom": "A new camera image has been uploaded from {0}",
+    "Artists": "الفنان",
+    "AuthenticationSucceededWithUserName": "{0} سجل الدخول بنجاح",
+    "Books": "كتب",
+    "CameraImageUploadedFrom": "صورة كاميرا جديدة تم رفعها من {0}",
     "Channels": "القنوات",
     "ChapterNameValue": "الباب {0}",
-    "Collections": "المجاميع",
+    "Collections": "مجموعات",
     "DeviceOfflineWithName": "تم قطع الاتصال بـ{0}",
     "DeviceOnlineWithName": "{0} متصل",
     "FailedLoginAttemptWithUserName": "عملية تسجيل الدخول فشلت من {0}",
-    "Favorites": "المفضلات",
+    "Favorites": "التفضيلات",
     "Folders": "المجلدات",
     "Genres": "أنواع الأفلام",
-    "HeaderAlbumArtists": "فنانو الألبومات",
-    "HeaderCameraUploads": "Camera Uploads",
+    "HeaderAlbumArtists": "فناني الألبومات",
+    "HeaderCameraUploads": "تحميلات الكاميرا",
     "HeaderContinueWatching": "استئناف المشاهدة",
     "HeaderFavoriteAlbums": "الألبومات المفضلة",
     "HeaderFavoriteArtists": "الفنانون المفضلون",
@@ -24,7 +24,7 @@
     "HeaderFavoriteShows": "المسلسلات المفضلة",
     "HeaderFavoriteSongs": "الأغاني المفضلة",
     "HeaderLiveTV": "التلفاز المباشر",
-    "HeaderNextUp": "التشغيل التالي",
+    "HeaderNextUp": "التالي",
     "HeaderRecordingGroups": "مجموعات التسجيل",
     "HomeVideos": "الفيديوهات المنزلية",
     "Inherit": "توريث",
@@ -34,29 +34,29 @@
     "LabelRunningTimeValue": "وقت التشغيل: {0}",
     "Latest": "الأحدث",
     "MessageApplicationUpdated": "لقد تم تحديث خادم أمبي",
-    "MessageApplicationUpdatedTo": "Jellyfin Server has been updated to {0}",
+    "MessageApplicationUpdatedTo": "تم تحديث سيرفر Jellyfin الى {0}",
     "MessageNamedServerConfigurationUpdatedWithValue": "تم تحديث إعدادات الخادم في قسم {0}",
     "MessageServerConfigurationUpdated": "تم تحديث إعدادات الخادم",
     "MixedContent": "محتوى مخلوط",
     "Movies": "الأفلام",
     "Music": "الموسيقى",
     "MusicVideos": "الفيديوهات الموسيقية",
-    "NameInstallFailed": "{0} installation failed",
+    "NameInstallFailed": "فشل التثبيت {0}",
     "NameSeasonNumber": "الموسم {0}",
-    "NameSeasonUnknown": "Season Unknown",
-    "NewVersionIsAvailable": "A new version of Jellyfin Server is available for download.",
+    "NameSeasonUnknown": "الموسم غير معروف",
+    "NewVersionIsAvailable": "نسخة حديثة من سيرفر Jellyfin متوفرة للتحميل .",
     "NotificationOptionApplicationUpdateAvailable": "يوجد تحديث للتطبيق",
     "NotificationOptionApplicationUpdateInstalled": "تم تحديث التطبيق",
     "NotificationOptionAudioPlayback": "بدأ تشغيل المقطع الصوتي",
     "NotificationOptionAudioPlaybackStopped": "تم إيقاف تشغيل المقطع الصوتي",
     "NotificationOptionCameraImageUploaded": "تم رقع صورة الكاميرا",
-    "NotificationOptionInstallationFailed": "عملية التنصيب فشلت",
+    "NotificationOptionInstallationFailed": "فشل في التثبيت",
     "NotificationOptionNewLibraryContent": "تم إضافة محتوى جديد",
     "NotificationOptionPluginError": "فشل في الملحق",
     "NotificationOptionPluginInstalled": "تم تثبيت الملحق",
     "NotificationOptionPluginUninstalled": "تمت إزالة الملحق",
-    "NotificationOptionPluginUpdateInstalled": "تم تحديث الملحق",
-    "NotificationOptionServerRestartRequired": "يجب إعادة تشغيل الخادم",
+    "NotificationOptionPluginUpdateInstalled": "تم تثبيت تحديثات الملحق",
+    "NotificationOptionServerRestartRequired": "يجب إعادة تشغيل السيرفر",
     "NotificationOptionTaskFailed": "فشل في المهمة المجدولة",
     "NotificationOptionUserLockedOut": "تم إقفال حساب المستخدم",
     "NotificationOptionVideoPlayback": "بدأ تشغيل الفيديو",
@@ -70,28 +70,28 @@
     "ProviderValue": "المزود: {0}",
     "ScheduledTaskFailedWithName": "العملية {0} فشلت",
     "ScheduledTaskStartedWithName": "تم بدء {0}",
-    "ServerNameNeedsToBeRestarted": "{0} needs to be restarted",
-    "Shows": "Shows",
+    "ServerNameNeedsToBeRestarted": "يحتاج لإعادة تشغيله {0}",
+    "Shows": "الحلقات",
     "Songs": "الأغاني",
-    "StartupEmbyServerIsLoading": "خادم أمبي قيد التحميل. الرجاء المحاوية بعد حين",
+    "StartupEmbyServerIsLoading": "سيرفر Jellyfin قيد التشغيل . الرجاء المحاولة بعد قليل.",
     "SubtitleDownloadFailureForItem": "عملية إنزال الترجمة فشلت لـ{0}",
-    "SubtitleDownloadFailureFromForItem": "Subtitles failed to download from {0} for {1}",
-    "SubtitlesDownloadedForItem": "تم إنزال الترجمات لـ {0}",
+    "SubtitleDownloadFailureFromForItem": "الترجمات فشلت في التحميل من {0} لـ {1}",
+    "SubtitlesDownloadedForItem": "تم تحميل الترجمات لـ {0}",
     "Sync": "مزامنة",
     "System": "النظام",
-    "TvShows": "TV Shows",
+    "TvShows": "البرامج التلفزيونية",
     "User": "المستخدم",
     "UserCreatedWithName": "تم إنشاء المستخدم {0}",
     "UserDeletedWithName": "تم حذف المستخدم {0}",
     "UserDownloadingItemWithValues": "{0} يقوم بإنزال {1}",
     "UserLockedOutWithName": "المستخدم {0} تم منعه من الدخول",
     "UserOfflineFromDevice": "تم قطع اتصال {0} من {1}",
-    "UserOnlineFromDevice": "{0} متصلة عبر {1}",
+    "UserOnlineFromDevice": "{0} متصل عبر {1}",
     "UserPasswordChangedWithName": "تم تغيير كلمة السر للمستخدم {0}",
-    "UserPolicyUpdatedWithName": "User policy has been updated for {0}",
-    "UserStartedPlayingItemWithValues": "قام {0} ببدء تشغيل {1}",
-    "UserStoppedPlayingItemWithValues": "قام {0} بإيقاف تشغيل {1}",
-    "ValueHasBeenAddedToLibrary": "{0} has been added to your media library",
-    "ValueSpecialEpisodeName": "خاص - {0}",
+    "UserPolicyUpdatedWithName": "سياسة المستخدمين تم تحديثها لـ {0}",
+    "UserStartedPlayingItemWithValues": "قام {0} ببدء تشغيل {1} على {2}",
+    "UserStoppedPlayingItemWithValues": "قام {0} بإيقاف تشغيل {1} على {2}",
+    "ValueHasBeenAddedToLibrary": "{0} تم اضافتها الى مكتبة الوسائط",
+    "ValueSpecialEpisodeName": "مميز - {0}",
     "VersionNumber": "الإصدار رقم {0}"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/da.json b/Emby.Server.Implementations/Localization/Core/da.json
index b01abafa1..cc8b7dbd5 100644
--- a/Emby.Server.Implementations/Localization/Core/da.json
+++ b/Emby.Server.Implementations/Localization/Core/da.json
@@ -23,7 +23,7 @@
     "HeaderFavoriteEpisodes": "Favoritepisoder",
     "HeaderFavoriteShows": "Favoritserier",
     "HeaderFavoriteSongs": "Favoritsange",
-    "HeaderLiveTV": "Live TV",
+    "HeaderLiveTV": "Live-TV",
     "HeaderNextUp": "Næste",
     "HeaderRecordingGroups": "Optagelsesgrupper",
     "HomeVideos": "Hjemmevideoer",
@@ -50,7 +50,7 @@
     "NotificationOptionAudioPlayback": "Lydafspilning påbegyndt",
     "NotificationOptionAudioPlaybackStopped": "Lydafspilning stoppet",
     "NotificationOptionCameraImageUploaded": "Kamerabillede uploadet",
-    "NotificationOptionInstallationFailed": "Installationsfejl",
+    "NotificationOptionInstallationFailed": "Installationen fejlede",
     "NotificationOptionNewLibraryContent": "Nyt indhold tilføjet",
     "NotificationOptionPluginError": "Pluginfejl",
     "NotificationOptionPluginInstalled": "Plugin installeret",
diff --git a/Emby.Server.Implementations/Localization/Core/el.json b/Emby.Server.Implementations/Localization/Core/el.json
index db7ebb0c0..3589a4893 100644
--- a/Emby.Server.Implementations/Localization/Core/el.json
+++ b/Emby.Server.Implementations/Localization/Core/el.json
@@ -3,7 +3,7 @@
     "AppDeviceValues": "Εφαρμογή: {0}, Συσκευή: {1}",
     "Application": "Εφαρμογή",
     "Artists": "Καλλιτέχνες",
-    "AuthenticationSucceededWithUserName": "{0} επιτυχείς σύνδεση",
+    "AuthenticationSucceededWithUserName": "Ο χρήστης {0} επαληθεύτηκε με επιτυχία",
     "Books": "Βιβλία",
     "CameraImageUploadedFrom": "Μια νέα εικόνα κάμερας έχει αποσταλεί από {0}",
     "Channels": "Κανάλια",
@@ -15,9 +15,9 @@
     "Favorites": "Αγαπημένα",
     "Folders": "Φάκελοι",
     "Genres": "Είδη",
-    "HeaderAlbumArtists": "Άλμπουμ Καλλιτεχνών",
+    "HeaderAlbumArtists": "Καλλιτέχνες του Άλμπουμ",
     "HeaderCameraUploads": "Μεταφορτώσεις Κάμερας",
-    "HeaderContinueWatching": "Συνεχίστε να παρακολουθείτε",
+    "HeaderContinueWatching": "Συνεχίστε την παρακολούθηση",
     "HeaderFavoriteAlbums": "Αγαπημένα Άλμπουμ",
     "HeaderFavoriteArtists": "Αγαπημένοι Καλλιτέχνες",
     "HeaderFavoriteEpisodes": "Αγαπημένα Επεισόδια",
@@ -27,7 +27,7 @@
     "HeaderNextUp": "Επόμενο",
     "HeaderRecordingGroups": "Γκρουπ Εγγραφών",
     "HomeVideos": "Προσωπικά βίντεο",
-    "Inherit": "Inherit",
+    "Inherit": "Κληρονόμηση",
     "ItemAddedWithName": "{0} προστέθηκε στη βιβλιοθήκη",
     "ItemRemovedWithName": "{0} διαγράφηκε από τη βιβλιοθήκη",
     "LabelIpAddressValue": "Διεύθυνση IP: {0}",
@@ -92,6 +92,6 @@
     "UserStartedPlayingItemWithValues": "{0} παίζει {1} σε {2}",
     "UserStoppedPlayingItemWithValues": "{0} τελείωσε να παίζει {1} σε {2}",
     "ValueHasBeenAddedToLibrary": "{0} προστέθηκαν στη βιβλιοθήκη πολυμέσων σας",
-    "ValueSpecialEpisodeName": "Special - {0}",
+    "ValueSpecialEpisodeName": "Σπέσιαλ - {0}",
     "VersionNumber": "Έκδοση {0}"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/es-MX.json b/Emby.Server.Implementations/Localization/Core/es-MX.json
index 003632968..99fda7aa6 100644
--- a/Emby.Server.Implementations/Localization/Core/es-MX.json
+++ b/Emby.Server.Implementations/Localization/Core/es-MX.json
@@ -15,7 +15,7 @@
     "Favorites": "Favoritos",
     "Folders": "Carpetas",
     "Genres": "Géneros",
-    "HeaderAlbumArtists": "Artistas del Álbum",
+    "HeaderAlbumArtists": "Artistas del álbum",
     "HeaderCameraUploads": "Subidos desde Camara",
     "HeaderContinueWatching": "Continuar Viendo",
     "HeaderFavoriteAlbums": "Álbumes favoritos",
diff --git a/Emby.Server.Implementations/Localization/Core/es.json b/Emby.Server.Implementations/Localization/Core/es.json
index f03184d5b..2dcc2c1c8 100644
--- a/Emby.Server.Implementations/Localization/Core/es.json
+++ b/Emby.Server.Implementations/Localization/Core/es.json
@@ -3,7 +3,7 @@
     "AppDeviceValues": "Aplicación: {0}, Dispositivo: {1}",
     "Application": "Aplicación",
     "Artists": "Artistas",
-    "AuthenticationSucceededWithUserName": "{0} autenticado correctamente",
+    "AuthenticationSucceededWithUserName": "{0} identificado correctamente",
     "Books": "Libros",
     "CameraImageUploadedFrom": "Se ha subido una nueva imagen de cámara desde {0}",
     "Channels": "Canales",
@@ -16,15 +16,15 @@
     "Folders": "Carpetas",
     "Genres": "Géneros",
     "HeaderAlbumArtists": "Artistas del álbum",
-    "HeaderCameraUploads": "Subidas desde cámara",
+    "HeaderCameraUploads": "Subidas desde la cámara",
     "HeaderContinueWatching": "Continuar viendo",
     "HeaderFavoriteAlbums": "Álbumes favoritos",
     "HeaderFavoriteArtists": "Artistas favoritos",
     "HeaderFavoriteEpisodes": "Episodios favoritos",
     "HeaderFavoriteShows": "Series favoritas",
     "HeaderFavoriteSongs": "Canciones favoritas",
-    "HeaderLiveTV": "TV en directo",
-    "HeaderNextUp": "Siguiendo",
+    "HeaderLiveTV": "Televisión en directo",
+    "HeaderNextUp": "Siguiente",
     "HeaderRecordingGroups": "Grupos de grabación",
     "HomeVideos": "Vídeos caseros",
     "Inherit": "Heredar",
@@ -50,7 +50,7 @@
     "NotificationOptionAudioPlayback": "Se inició la reproducción de audio",
     "NotificationOptionAudioPlaybackStopped": "Se detuvo la reproducción de audio",
     "NotificationOptionCameraImageUploaded": "Imagen de la cámara cargada",
-    "NotificationOptionInstallationFailed": "Error de instalación",
+    "NotificationOptionInstallationFailed": "Error en la instalación",
     "NotificationOptionNewLibraryContent": "Nuevo contenido añadido",
     "NotificationOptionPluginError": "Error en plugin",
     "NotificationOptionPluginInstalled": "Plugin instalado",
@@ -79,13 +79,13 @@
     "SubtitlesDownloadedForItem": "Descargar subtítulos para {0}",
     "Sync": "Sincronizar",
     "System": "Sistema",
-    "TvShows": "Series de TV",
+    "TvShows": "Programas de televisión",
     "User": "Usuario",
     "UserCreatedWithName": "El usuario {0} ha sido creado",
     "UserDeletedWithName": "El usuario {0} ha sido borrado",
     "UserDownloadingItemWithValues": "{0} está descargando {1}",
     "UserLockedOutWithName": "El usuario {0} ha sido bloqueado",
-    "UserOfflineFromDevice": "{0} se ha desconectado de {1}",
+    "UserOfflineFromDevice": "{0} se ha desconectado desde {1}",
     "UserOnlineFromDevice": "{0} está en línea desde {1}",
     "UserPasswordChangedWithName": "Se ha cambiado la contraseña para el usuario {0}",
     "UserPolicyUpdatedWithName": "Actualizada política de usuario para {0}",
diff --git a/Emby.Server.Implementations/Localization/Core/fi.json b/Emby.Server.Implementations/Localization/Core/fi.json
new file mode 100644
index 000000000..15aa0a8ee
--- /dev/null
+++ b/Emby.Server.Implementations/Localization/Core/fi.json
@@ -0,0 +1,48 @@
+{
+    "HeaderLiveTV": "Netti-TV",
+    "NewVersionIsAvailable": "Uusi versio Jellyfin palvelimesta on ladattavissa",
+    "NameSeasonUnknown": "Tuntematon Kausi",
+    "NameSeasonNumber": "Kausi {0}",
+    "NameInstallFailed": "{0} asennus epäonnistui",
+    "MusicVideos": "Musiikkivideot",
+    "Music": "Musiikki",
+    "Movies": "Elokuvat",
+    "MixedContent": "Sekoitettu sisältö",
+    "MessageServerConfigurationUpdated": "Palvelimen konfiguraatio on päivitetty",
+    "MessageNamedServerConfigurationUpdatedWithValue": "Palvelimen konfiguraatio-osa {0} on päivitetty",
+    "MessageApplicationUpdatedTo": "Jellyfin palvelin on päivitetty {0}",
+    "MessageApplicationUpdated": "Jellyfin palvelin on päivitetty",
+    "Latest": "Viimeisin",
+    "LabelRunningTimeValue": "Kesto: {0}",
+    "LabelIpAddressValue": "IP-osoite: {0}",
+    "ItemRemovedWithName": "{0} poistettiin kirjastosta",
+    "ItemAddedWithName": "{0} lisättiin kirjastoon",
+    "Inherit": "Periä",
+    "HomeVideos": "Kotivideot",
+    "HeaderRecordingGroups": "Äänitysryhmä",
+    "HeaderNextUp": "Seuraavaksi",
+    "HeaderFavoriteSongs": "Lempikappaleet",
+    "HeaderFavoriteShows": "Lempisarjat",
+    "HeaderFavoriteEpisodes": "Lempijaksot",
+    "HeaderCameraUploads": "Kamerasta Ladatut",
+    "HeaderFavoriteArtists": "Lempiartistit",
+    "HeaderFavoriteAlbums": "Lempialbumit",
+    "HeaderContinueWatching": "Jatka Katsomista",
+    "HeaderAlbumArtists": "Albumiartistit",
+    "Genres": "Genret",
+    "Folders": "Kansiot",
+    "Favorites": "Suosikit",
+    "FailedLoginAttemptWithUserName": "Epäonnistunut kirjautumisyritys kohteesta {0}",
+    "DeviceOnlineWithName": "{0} on yhdistynyt",
+    "DeviceOfflineWithName": "{0} on katkaissut yhteytensä",
+    "Collections": "Kokoelmat",
+    "ChapterNameValue": "Luku: {0}",
+    "Channels": "Kanavat",
+    "CameraImageUploadedFrom": "Uusi kamerakuva on lähetetty kohteesta {0}",
+    "Books": "Kirjat",
+    "AuthenticationSucceededWithUserName": "{0} todennettu onnistuneesti",
+    "Artists": "Artistit",
+    "Application": "Sovellus",
+    "AppDeviceValues": "Sovellus: {0}, Laite: {1}",
+    "Albums": "Albumit"
+}
diff --git a/Emby.Server.Implementations/Localization/Core/fr.json b/Emby.Server.Implementations/Localization/Core/fr.json
index e434b7605..9805992be 100644
--- a/Emby.Server.Implementations/Localization/Core/fr.json
+++ b/Emby.Server.Implementations/Localization/Core/fr.json
@@ -5,7 +5,7 @@
     "Artists": "Artistes",
     "AuthenticationSucceededWithUserName": "{0} s'est authentifié avec succès",
     "Books": "Livres",
-    "CameraImageUploadedFrom": "Une image de caméra a été chargée depuis {0}",
+    "CameraImageUploadedFrom": "Une nouvelle image de caméra a été chargée depuis {0}",
     "Channels": "Chaînes",
     "ChapterNameValue": "Chapitre {0}",
     "Collections": "Collections",
@@ -24,7 +24,7 @@
     "HeaderFavoriteShows": "Séries favorites",
     "HeaderFavoriteSongs": "Chansons favorites",
     "HeaderLiveTV": "TV en direct",
-    "HeaderNextUp": "En Cours",
+    "HeaderNextUp": "À suivre",
     "HeaderRecordingGroups": "Groupes d'enregistrements",
     "HomeVideos": "Vidéos personnelles",
     "Inherit": "Hériter",
@@ -34,14 +34,14 @@
     "LabelRunningTimeValue": "Durée : {0}",
     "Latest": "Derniers",
     "MessageApplicationUpdated": "Le serveur Jellyfin a été mis à jour",
-    "MessageApplicationUpdatedTo": "Jellyfin Serveur a été mis à jour en version {0}",
+    "MessageApplicationUpdatedTo": "Le serveur Jellyfin a été mis à jour vers {0}",
     "MessageNamedServerConfigurationUpdatedWithValue": "La configuration de la section {0} du serveur a été mise à jour",
     "MessageServerConfigurationUpdated": "La configuration du serveur a été mise à jour",
     "MixedContent": "Contenu mixte",
     "Movies": "Films",
     "Music": "Musique",
     "MusicVideos": "Vidéos musicales",
-    "NameInstallFailed": "{0} échec d'installation",
+    "NameInstallFailed": "{0} échec de l'installation",
     "NameSeasonNumber": "Saison {0}",
     "NameSeasonUnknown": "Saison Inconnue",
     "NewVersionIsAvailable": "Une nouvelle version de Jellyfin Serveur est disponible au téléchargement.",
@@ -50,7 +50,7 @@
     "NotificationOptionAudioPlayback": "Lecture audio démarrée",
     "NotificationOptionAudioPlaybackStopped": "Lecture audio arrêtée",
     "NotificationOptionCameraImageUploaded": "L'image de l'appareil photo a été transférée",
-    "NotificationOptionInstallationFailed": "Échec d'installation",
+    "NotificationOptionInstallationFailed": "Échec de l'installation",
     "NotificationOptionNewLibraryContent": "Nouveau contenu ajouté",
     "NotificationOptionPluginError": "Erreur d'extension",
     "NotificationOptionPluginInstalled": "Extension installée",
@@ -91,7 +91,7 @@
     "UserPolicyUpdatedWithName": "La politique de l'utilisateur a été mise à jour pour {0}",
     "UserStartedPlayingItemWithValues": "{0} est en train de lire {1} sur {2}",
     "UserStoppedPlayingItemWithValues": "{0} vient d'arrêter la lecture de {1} sur {2}",
-    "ValueHasBeenAddedToLibrary": "{0} a été ajouté à votre librairie",
+    "ValueHasBeenAddedToLibrary": "{0} a été ajouté à votre médiathèque",
     "ValueSpecialEpisodeName": "Spécial - {0}",
     "VersionNumber": "Version {0}"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/ko.json b/Emby.Server.Implementations/Localization/Core/ko.json
index f2b7c408c..3d2350c07 100644
--- a/Emby.Server.Implementations/Localization/Core/ko.json
+++ b/Emby.Server.Implementations/Localization/Core/ko.json
@@ -1,97 +1,97 @@
 {
     "Albums": "앨범",
-    "AppDeviceValues": "앱: {0}, 디바이스: {1}",
+    "AppDeviceValues": "앱: {0}, 장치: {1}",
     "Application": "애플리케이션",
     "Artists": "아티스트",
-    "AuthenticationSucceededWithUserName": "{0} 인증에 성공했습니다.",
-    "Books": "책",
-    "CameraImageUploadedFrom": "새로운 카메라 이미지가 {0}에서 업로드되었습니다.",
+    "AuthenticationSucceededWithUserName": "{0}이 성공적으로 인증됨",
+    "Books": "도서",
+    "CameraImageUploadedFrom": "{0}에서 새로운 카메라 이미지가 업로드되었습니다",
     "Channels": "채널",
     "ChapterNameValue": "챕터 {0}",
     "Collections": "컬렉션",
-    "DeviceOfflineWithName": "{0}가 접속이 끊어졌습니다.",
-    "DeviceOnlineWithName": "{0}가 접속되었습니다.",
-    "FailedLoginAttemptWithUserName": "{0}에서 로그인이 실패했습니다.",
+    "DeviceOfflineWithName": "{0} 연결 끊김",
+    "DeviceOnlineWithName": "{0} 연결됨",
+    "FailedLoginAttemptWithUserName": "{0} 로그인 실패",
     "Favorites": "즐겨찾기",
     "Folders": "폴더",
     "Genres": "장르",
     "HeaderAlbumArtists": "앨범 아티스트",
     "HeaderCameraUploads": "카메라 업로드",
     "HeaderContinueWatching": "계속 시청하기",
-    "HeaderFavoriteAlbums": "좋아하는 앨범",
-    "HeaderFavoriteArtists": "좋아하는 아티스트",
-    "HeaderFavoriteEpisodes": "좋아하는 에피소드",
+    "HeaderFavoriteAlbums": "즐겨찾는 앨범",
+    "HeaderFavoriteArtists": "즐겨찾는 아티스트",
+    "HeaderFavoriteEpisodes": "즐겨찾는 에피소드",
     "HeaderFavoriteShows": "즐겨찾는 쇼",
-    "HeaderFavoriteSongs": "좋아하는 노래",
-    "HeaderLiveTV": "TV 방송",
+    "HeaderFavoriteSongs": "즐겨찾는 노래",
+    "HeaderLiveTV": "실시간 TV",
     "HeaderNextUp": "다음으로",
     "HeaderRecordingGroups": "녹화 그룹",
     "HomeVideos": "홈 비디오",
     "Inherit": "상속",
-    "ItemAddedWithName": "{0} 라이브러리에 추가됨",
-    "ItemRemovedWithName": "{0} 라이브러리에서 제거됨",
+    "ItemAddedWithName": "{0}가 라이브러리에 추가됨",
+    "ItemRemovedWithName": "{0}가 라이브러리에서 제거됨",
     "LabelIpAddressValue": "IP 주소: {0}",
     "LabelRunningTimeValue": "상영 시간: {0}",
     "Latest": "최근",
-    "MessageApplicationUpdated": "Jellyfin 서버 업데이트됨",
-    "MessageApplicationUpdatedTo": "Jellyfin 서버가 {0}로 업데이트됨",
-    "MessageNamedServerConfigurationUpdatedWithValue": "서버 환경 설정 {0} 섹션 업데이트 됨",
-    "MessageServerConfigurationUpdated": "서버 환경 설정 업데이드됨",
+    "MessageApplicationUpdated": "Jellyfin 서버가 업데이트되었습니다",
+    "MessageApplicationUpdatedTo": "Jellyfin 서버가 {0}로 업데이트되었습니다",
+    "MessageNamedServerConfigurationUpdatedWithValue": "서버 환경 설정 {0} 섹션이 업데이트되었습니다",
+    "MessageServerConfigurationUpdated": "서버 환경 설정이 업데이트되었습니다",
     "MixedContent": "혼합 콘텐츠",
     "Movies": "영화",
     "Music": "음악",
-    "MusicVideos": "뮤직 비디오",
-    "NameInstallFailed": "{0} 설치 실패.",
+    "MusicVideos": "뮤직비디오",
+    "NameInstallFailed": "{0} 설치 실패",
     "NameSeasonNumber": "시즌 {0}",
     "NameSeasonUnknown": "알 수 없는 시즌",
-    "NewVersionIsAvailable": "새 버전의 Jellyfin 서버를 사용할 수 있습니다.",
-    "NotificationOptionApplicationUpdateAvailable": "애플리케이션 업데이트 사용 가능",
-    "NotificationOptionApplicationUpdateInstalled": "애플리케이션 업데이트가 설치됨",
-    "NotificationOptionAudioPlayback": "오디오 재생을 시작함",
-    "NotificationOptionAudioPlaybackStopped": "오디오 재생이 중지됨",
+    "NewVersionIsAvailable": "새로운 버전의 Jellyfin 서버를 사용할 수 있습니다.",
+    "NotificationOptionApplicationUpdateAvailable": "애플리케이션 업데이트 가능",
+    "NotificationOptionApplicationUpdateInstalled": "애플리케이션 업데이트 완료",
+    "NotificationOptionAudioPlayback": "오디오 재생 시작됨",
+    "NotificationOptionAudioPlaybackStopped": "오디오 재생 중지됨",
     "NotificationOptionCameraImageUploaded": "카메라 이미지가 업로드됨",
     "NotificationOptionInstallationFailed": "설치 실패",
-    "NotificationOptionNewLibraryContent": "새 콘텐트가 추가됨",
+    "NotificationOptionNewLibraryContent": "새 콘텐츠가 추가됨",
     "NotificationOptionPluginError": "플러그인 실패",
-    "NotificationOptionPluginInstalled": "플러그인이 설치됨",
-    "NotificationOptionPluginUninstalled": "플러그인이 설치 제거됨",
-    "NotificationOptionPluginUpdateInstalled": "플러그인 업데이트가 설치됨",
-    "NotificationOptionServerRestartRequired": "서버를 다시 시작하십시오",
+    "NotificationOptionPluginInstalled": "플러그인 설치됨",
+    "NotificationOptionPluginUninstalled": "플러그인 제거됨",
+    "NotificationOptionPluginUpdateInstalled": "플러그인 업데이트 완료",
+    "NotificationOptionServerRestartRequired": "서버 재시작 필요",
     "NotificationOptionTaskFailed": "예약 작업 실패",
-    "NotificationOptionUserLockedOut": "사용자가 잠겼습니다",
-    "NotificationOptionVideoPlayback": "비디오 재생을 시작함",
-    "NotificationOptionVideoPlaybackStopped": "비디오 재생이 중지됨",
+    "NotificationOptionUserLockedOut": "잠긴 사용자",
+    "NotificationOptionVideoPlayback": "비디오 재생 시작됨",
+    "NotificationOptionVideoPlaybackStopped": "비디오 재생 중지됨",
     "Photos": "사진",
     "Playlists": "재생목록",
     "Plugin": "플러그인",
     "PluginInstalledWithName": "{0} 설치됨",
-    "PluginUninstalledWithName": "{0} 설치 제거됨",
+    "PluginUninstalledWithName": "{0} 제거됨",
     "PluginUpdatedWithName": "{0} 업데이트됨",
     "ProviderValue": "제공자: {0}",
     "ScheduledTaskFailedWithName": "{0} 실패",
     "ScheduledTaskStartedWithName": "{0} 시작",
-    "ServerNameNeedsToBeRestarted": "{0} 를 재시작하십시오",
-    "Shows": "프로그램",
+    "ServerNameNeedsToBeRestarted": "{0}를 재시작해야합니다",
+    "Shows": "쇼",
     "Songs": "노래",
-    "StartupEmbyServerIsLoading": "Jellyfin 서버를 불러오고 있습니다. 잠시후 다시시도 해주세요.",
+    "StartupEmbyServerIsLoading": "Jellyfin 서버를 불러오고 있습니다. 잠시 후에 다시 시도하십시오.",
     "SubtitleDownloadFailureForItem": "Subtitles failed to download for {0}",
     "SubtitleDownloadFailureFromForItem": "{0}에서 {1} 자막 다운로드에 실패했습니다",
-    "SubtitlesDownloadedForItem": "{0} 자막을 다운로드했습니다",
+    "SubtitlesDownloadedForItem": "{0} 자막 다운로드 완료",
     "Sync": "동기화",
     "System": "시스템",
     "TvShows": "TV 쇼",
     "User": "사용자",
     "UserCreatedWithName": "사용자 {0} 생성됨",
     "UserDeletedWithName": "사용자 {0} 삭제됨",
-    "UserDownloadingItemWithValues": "{0} is downloading {1}",
-    "UserLockedOutWithName": "User {0} has been locked out",
-    "UserOfflineFromDevice": "{0} has disconnected from {1}",
-    "UserOnlineFromDevice": "{0} is online from {1}",
-    "UserPasswordChangedWithName": "Password has been changed for user {0}",
-    "UserPolicyUpdatedWithName": "User policy has been updated for {0}",
-    "UserStartedPlayingItemWithValues": "{0} is playing {1} on {2}",
-    "UserStoppedPlayingItemWithValues": "{0} has finished playing {1} on {2}",
-    "ValueHasBeenAddedToLibrary": "{0} has been added to your media library",
-    "ValueSpecialEpisodeName": "Special - {0}",
-    "VersionNumber": "Version {0}"
+    "UserDownloadingItemWithValues": "{0}이(가) {1}을 다운로드 중입니다",
+    "UserLockedOutWithName": "유저 {0} 은(는) 잠금처리 되었습니다",
+    "UserOfflineFromDevice": "{1}로부터 {0}의 연결이 끊겼습니다",
+    "UserOnlineFromDevice": "{0}은 {1}에서 온라인 상태입니다",
+    "UserPasswordChangedWithName": "사용자 {0}의 비밀번호가 변경되었습니다",
+    "UserPolicyUpdatedWithName": "{0}의 사용자 정책이 업데이트되었습니다",
+    "UserStartedPlayingItemWithValues": "{2}에서 {0}이 {1} 재생 중",
+    "UserStoppedPlayingItemWithValues": "{2}에서 {0}이 {1} 재생을 마침",
+    "ValueHasBeenAddedToLibrary": "{0}가 미디어 라이브러리에 추가되었습니다",
+    "ValueSpecialEpisodeName": "스페셜 - {0}",
+    "VersionNumber": "버전 {0}"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/nb.json b/Emby.Server.Implementations/Localization/Core/nb.json
index dbda794ad..1237fb70a 100644
--- a/Emby.Server.Implementations/Localization/Core/nb.json
+++ b/Emby.Server.Implementations/Localization/Core/nb.json
@@ -1,11 +1,11 @@
 {
     "Albums": "Album",
-    "AppDeviceValues": "App:{0}, Enhet {1}",
-    "Application": "Applikasjon",
+    "AppDeviceValues": "App:{0}, Enhet: {1}",
+    "Application": "Program",
     "Artists": "Artister",
-    "AuthenticationSucceededWithUserName": "{0} vellykkede autentisert",
+    "AuthenticationSucceededWithUserName": "{0} har logget inn",
     "Books": "Bøker",
-    "CameraImageUploadedFrom": "A new camera image has been uploaded from {0}",
+    "CameraImageUploadedFrom": "Et nytt kamerabilde er lastet opp fra {0}",
     "Channels": "Kanaler",
     "ChapterNameValue": "Kapittel {0}",
     "Collections": "Samlinger",
@@ -14,16 +14,16 @@
     "FailedLoginAttemptWithUserName": "Mislykket påloggingsforsøk fra {0}",
     "Favorites": "Favoritter",
     "Folders": "Mapper",
-    "Genres": "Sjanger",
-    "HeaderAlbumArtists": "Albumartist",
-    "HeaderCameraUploads": "Camera Uploads",
-    "HeaderContinueWatching": "Forsett og see på",
-    "HeaderFavoriteAlbums": "Favoritt albumer",
+    "Genres": "Sjangre",
+    "HeaderAlbumArtists": "Albumartister",
+    "HeaderCameraUploads": "Kameraopplastinger",
+    "HeaderContinueWatching": "Forsett å se på",
+    "HeaderFavoriteAlbums": "Favorittalbum",
     "HeaderFavoriteArtists": "Favorittartister",
-    "HeaderFavoriteEpisodes": "Favoritt episode",
+    "HeaderFavoriteEpisodes": "Favorittepisoder",
     "HeaderFavoriteShows": "Favorittserier",
     "HeaderFavoriteSongs": "Favorittsanger",
-    "HeaderLiveTV": "Direkte TV",
+    "HeaderLiveTV": "Direkte-TV",
     "HeaderNextUp": "Neste",
     "HeaderRecordingGroups": "Opptak Grupper",
     "HomeVideos": "Hjemmelaget filmer",
@@ -34,23 +34,23 @@
     "LabelRunningTimeValue": "Løpetid {0}",
     "Latest": "Siste",
     "MessageApplicationUpdated": "Jellyfin server har blitt oppdatert",
-    "MessageApplicationUpdatedTo": "Jellyfin Server has been updated to {0}",
+    "MessageApplicationUpdatedTo": "Jellyfin-serveren ble oppdatert til {0}",
     "MessageNamedServerConfigurationUpdatedWithValue": "Server konfigurasjon seksjon {0} har blitt oppdatert",
     "MessageServerConfigurationUpdated": "Server konfigurasjon er oppdatert",
     "MixedContent": "Blandet innhold",
     "Movies": "Filmer",
     "Music": "Musikk",
     "MusicVideos": "Musikkvideoer",
-    "NameInstallFailed": "{0} installation failed",
+    "NameInstallFailed": "{0}-installasjonen mislyktes",
     "NameSeasonNumber": "Sesong {0}",
-    "NameSeasonUnknown": "Season Unknown",
-    "NewVersionIsAvailable": "A new version of Jellyfin Server is available for download.",
+    "NameSeasonUnknown": "Sesong ukjent",
+    "NewVersionIsAvailable": "En ny versjon av Jellyfin-serveren er tilgjengelig for nedlastning.",
     "NotificationOptionApplicationUpdateAvailable": "Applikasjon oppdatering tilgjengelig",
-    "NotificationOptionApplicationUpdateInstalled": "Applikasjon oppdatering installert.",
+    "NotificationOptionApplicationUpdateInstalled": "Applikasjonsoppdatering installert",
     "NotificationOptionAudioPlayback": "Lyd tilbakespilling startet",
     "NotificationOptionAudioPlaybackStopped": "Lyd avspilling stoppet",
     "NotificationOptionCameraImageUploaded": "Kamera bilde lastet opp",
-    "NotificationOptionInstallationFailed": "Installasjon feil",
+    "NotificationOptionInstallationFailed": "Installasjonsfeil",
     "NotificationOptionNewLibraryContent": "Ny innhold er lagt til",
     "NotificationOptionPluginError": "Plugin feil",
     "NotificationOptionPluginInstalled": "Plugin installert",
@@ -61,8 +61,8 @@
     "NotificationOptionUserLockedOut": "Bruker er utestengt",
     "NotificationOptionVideoPlayback": "Video tilbakespilling startet",
     "NotificationOptionVideoPlaybackStopped": "Video avspilling stoppet",
-    "Photos": "BIlder",
-    "Playlists": "Spilleliste",
+    "Photos": "Bilder",
+    "Playlists": "Spillelister",
     "Plugin": "Plugin",
     "PluginInstalledWithName": "{0} ble installert",
     "PluginUninstalledWithName": "{0} ble avinstallert",
@@ -70,16 +70,16 @@
     "ProviderValue": "Leverandører: {0}",
     "ScheduledTaskFailedWithName": "{0} Mislykkes",
     "ScheduledTaskStartedWithName": "{0} Startet",
-    "ServerNameNeedsToBeRestarted": "{0} needs to be restarted",
+    "ServerNameNeedsToBeRestarted": "{0} må startes på nytt",
     "Shows": "Programmer",
     "Songs": "Sanger",
     "StartupEmbyServerIsLoading": "Jellyfin server laster. Prøv igjen snart.",
     "SubtitleDownloadFailureForItem": "En feil oppstå under nedlasting av undertekster for  {0}",
-    "SubtitleDownloadFailureFromForItem": "Subtitles failed to download from {0} for {1}",
+    "SubtitleDownloadFailureFromForItem": "Kunne ikke laste ned teksting fra {0} for {1}",
     "SubtitlesDownloadedForItem": "Undertekster lastet ned for {0}",
-    "Sync": "Synk",
+    "Sync": "Synkroniser",
     "System": "System",
-    "TvShows": "TV Shows",
+    "TvShows": "TV-serier",
     "User": "Bruker",
     "UserCreatedWithName": "Bruker {0} er opprettet",
     "UserDeletedWithName": "Bruker {0} har blitt slettet",
@@ -88,10 +88,10 @@
     "UserOfflineFromDevice": "{0} har koblet fra {1}",
     "UserOnlineFromDevice": "{0} er tilkoblet fra {1}",
     "UserPasswordChangedWithName": "Passordet for {0} er oppdatert",
-    "UserPolicyUpdatedWithName": "User policy has been updated for {0}",
+    "UserPolicyUpdatedWithName": "Brukerpolicyen har blitt oppdatert for {0}",
     "UserStartedPlayingItemWithValues": "{0} har startet avspilling {1}",
     "UserStoppedPlayingItemWithValues": "{0} har stoppet avspilling  {1}",
-    "ValueHasBeenAddedToLibrary": "{0} has been added to your media library",
-    "ValueSpecialEpisodeName": "Spesial - {0}",
+    "ValueHasBeenAddedToLibrary": "{0} har blitt lagt til i mediebiblioteket ditt",
+    "ValueSpecialEpisodeName": "Spesialepisode - {0}",
     "VersionNumber": "Versjon {0}"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/pt-BR.json b/Emby.Server.Implementations/Localization/Core/pt-BR.json
index c4ce16dc8..faa8499b8 100644
--- a/Emby.Server.Implementations/Localization/Core/pt-BR.json
+++ b/Emby.Server.Implementations/Localization/Core/pt-BR.json
@@ -1,7 +1,7 @@
 {
     "Albums": "Álbuns",
     "AppDeviceValues": "App: {0}, Dispositivo: {1}",
-    "Application": "Aplicativo",
+    "Application": "Inscrição",
     "Artists": "Artistas",
     "AuthenticationSucceededWithUserName": "{0} autenticado com sucesso",
     "Books": "Livros",
@@ -16,7 +16,7 @@
     "Folders": "Pastas",
     "Genres": "Gêneros",
     "HeaderAlbumArtists": "Artistas do Álbum",
-    "HeaderCameraUploads": "Uploads da Câmera",
+    "HeaderCameraUploads": "Envios da Câmera",
     "HeaderContinueWatching": "Continuar Assistindo",
     "HeaderFavoriteAlbums": "Álbuns Favoritos",
     "HeaderFavoriteArtists": "Artistas Favoritos",
diff --git a/Emby.Server.Implementations/Localization/Core/pt-PT.json b/Emby.Server.Implementations/Localization/Core/pt-PT.json
index 387604f03..b12d391c1 100644
--- a/Emby.Server.Implementations/Localization/Core/pt-PT.json
+++ b/Emby.Server.Implementations/Localization/Core/pt-PT.json
@@ -1,11 +1,11 @@
 {
     "Albums": "Álbuns",
-    "AppDeviceValues": "Aplicação {0}, Dispositivo:{1}",
+    "AppDeviceValues": "Aplicação {0}, Dispositivo: {1}",
     "Application": "Aplicação",
     "Artists": "Artistas",
     "AuthenticationSucceededWithUserName": "{0} autenticado com sucesso",
     "Books": "Livros",
-    "CameraImageUploadedFrom": "Uma nova imagem proveniente de uma câmara foi enviada a partir de {0}",
+    "CameraImageUploadedFrom": "Uma nova imagem de câmara foi enviada a partir de {0}",
     "Channels": "Canais",
     "ChapterNameValue": "Capítulo {0}",
     "Collections": "Coleções",
@@ -16,7 +16,7 @@
     "Folders": "Pastas",
     "Genres": "Géneros",
     "HeaderAlbumArtists": "Artistas do Álbum",
-    "HeaderCameraUploads": "Camera Uploads",
+    "HeaderCameraUploads": "Envios a partir da câmara",
     "HeaderContinueWatching": "Continuar a Ver",
     "HeaderFavoriteAlbums": "Álbuns Favoritos",
     "HeaderFavoriteArtists": "Artistas Favoritos",
@@ -27,7 +27,7 @@
     "HeaderNextUp": "A Seguir",
     "HeaderRecordingGroups": "Grupos de Gravação",
     "HomeVideos": "Home videos",
-    "Inherit": "Inherit",
+    "Inherit": "Herdar",
     "ItemAddedWithName": "{0} foi adicionado à biblioteca",
     "ItemRemovedWithName": "{0} foi removido da biblioteca",
     "LabelIpAddressValue": "Endereço IP: {0}",
@@ -49,7 +49,7 @@
     "NotificationOptionApplicationUpdateInstalled": "Atualização de aplicação instalada",
     "NotificationOptionAudioPlayback": "Reprodução Iniciada",
     "NotificationOptionAudioPlaybackStopped": "Reprodução Parada",
-    "NotificationOptionCameraImageUploaded": "Camera image uploaded",
+    "NotificationOptionCameraImageUploaded": "Imagem da câmara enviada",
     "NotificationOptionInstallationFailed": "Falha na instalação",
     "NotificationOptionNewLibraryContent": "Novo conteúdo adicionado",
     "NotificationOptionPluginError": "Falha na extensão",
diff --git a/Emby.Server.Implementations/Localization/Core/ru.json b/Emby.Server.Implementations/Localization/Core/ru.json
index c0465def8..0ad4b37aa 100644
--- a/Emby.Server.Implementations/Localization/Core/ru.json
+++ b/Emby.Server.Implementations/Localization/Core/ru.json
@@ -15,7 +15,7 @@
     "Favorites": "Избранное",
     "Folders": "Папки",
     "Genres": "Жанры",
-    "HeaderAlbumArtists": "Исп-ли альбома",
+    "HeaderAlbumArtists": "Исполнители альбома",
     "HeaderCameraUploads": "Камеры",
     "HeaderContinueWatching": "Продолжение просмотра",
     "HeaderFavoriteAlbums": "Избранные альбомы",
diff --git a/Emby.Server.Implementations/Localization/Core/sl-SI.json b/Emby.Server.Implementations/Localization/Core/sl-SI.json
index 531dfe51f..c141a40f6 100644
--- a/Emby.Server.Implementations/Localization/Core/sl-SI.json
+++ b/Emby.Server.Implementations/Localization/Core/sl-SI.json
@@ -3,7 +3,7 @@
     "AppDeviceValues": "Aplikacija: {0}, Naprava: {1}",
     "Application": "Aplikacija",
     "Artists": "Izvajalci",
-    "AuthenticationSucceededWithUserName": "{0} preverjanje uspešno",
+    "AuthenticationSucceededWithUserName": "{0} preverjanje pristnosti uspešno",
     "Books": "Knjige",
     "CameraImageUploadedFrom": "Nova fotografija je bila naložena z {0}",
     "Channels": "Kanali",
@@ -44,13 +44,13 @@
     "NameInstallFailed": "{0} namestitev neuspešna",
     "NameSeasonNumber": "Sezona {0}",
     "NameSeasonUnknown": "Season neznana",
-    "NewVersionIsAvailable": "Nova razničica Jellyfin strežnika je na voljo za prenos.",
+    "NewVersionIsAvailable": "Nova različica Jellyfin strežnika je na voljo za prenos.",
     "NotificationOptionApplicationUpdateAvailable": "Posodobitev aplikacije je na voljo",
     "NotificationOptionApplicationUpdateInstalled": "Posodobitev aplikacije je bila nameščena",
     "NotificationOptionAudioPlayback": "Predvajanje zvoka začeto",
     "NotificationOptionAudioPlaybackStopped": "Predvajanje zvoka zaustavljeno",
     "NotificationOptionCameraImageUploaded": "Posnetek kamere naložen",
-    "NotificationOptionInstallationFailed": "Napaka pri nameščanju",
+    "NotificationOptionInstallationFailed": "Namestitev neuspešna",
     "NotificationOptionNewLibraryContent": "Nove vsebine dodane",
     "NotificationOptionPluginError": "Napaka dodatka",
     "NotificationOptionPluginInstalled": "Dodatek nameščen",
@@ -92,6 +92,6 @@
     "UserStartedPlayingItemWithValues": "{0} predvaja {1} na {2}",
     "UserStoppedPlayingItemWithValues": "{0} je nehal predvajati {1} na {2}",
     "ValueHasBeenAddedToLibrary": "{0} je bil dodan vaši knjižnici",
-    "ValueSpecialEpisodeName": "Special - {0}",
-    "VersionNumber": "Version {0}"
+    "ValueSpecialEpisodeName": "Poseben - {0}",
+    "VersionNumber": "Različica {0}"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/tr.json b/Emby.Server.Implementations/Localization/Core/tr.json
index 9e00eba62..3b5ce29c7 100644
--- a/Emby.Server.Implementations/Localization/Core/tr.json
+++ b/Emby.Server.Implementations/Localization/Core/tr.json
@@ -3,28 +3,28 @@
     "AppDeviceValues": "Uygulama: {0}, Aygıt: {1}",
     "Application": "Uygulama",
     "Artists": "Sanatçılar",
-    "AuthenticationSucceededWithUserName": "{0} başarı ile giriş yaptı",
+    "AuthenticationSucceededWithUserName": "{0} kimlik başarıyla doğrulandı",
     "Books": "Kitaplar",
-    "CameraImageUploadedFrom": "A new camera image has been uploaded from {0}",
+    "CameraImageUploadedFrom": "{0} 'den yeni bir kamera resmi yüklendi",
     "Channels": "Kanallar",
-    "ChapterNameValue": "Chapter {0}",
-    "Collections": "Collections",
-    "DeviceOfflineWithName": "{0} has disconnected",
-    "DeviceOnlineWithName": "{0} is connected",
-    "FailedLoginAttemptWithUserName": "Failed login attempt from {0}",
-    "Favorites": "Favorites",
-    "Folders": "Folders",
-    "Genres": "Genres",
-    "HeaderAlbumArtists": "Album Artists",
-    "HeaderCameraUploads": "Camera Uploads",
+    "ChapterNameValue": "Bölüm {0}",
+    "Collections": "Koleksiyonlar",
+    "DeviceOfflineWithName": "{0} bağlantısı kesildi",
+    "DeviceOnlineWithName": "{0} bağlı",
+    "FailedLoginAttemptWithUserName": "{0} adresinden giriş başarısız oldu",
+    "Favorites": "Favoriler",
+    "Folders": "Klasörler",
+    "Genres": "Türler",
+    "HeaderAlbumArtists": "Albüm Sanatçıları",
+    "HeaderCameraUploads": "Kamera Yüklemeleri",
     "HeaderContinueWatching": "İzlemeye Devam Et",
     "HeaderFavoriteAlbums": "Favori Albümler",
-    "HeaderFavoriteArtists": "Favorite Artists",
-    "HeaderFavoriteEpisodes": "Favorite Episodes",
-    "HeaderFavoriteShows": "Favori Showlar",
-    "HeaderFavoriteSongs": "Favorite Songs",
-    "HeaderLiveTV": "Live TV",
-    "HeaderNextUp": "Next Up",
+    "HeaderFavoriteArtists": "Favori Sanatçılar",
+    "HeaderFavoriteEpisodes": "Favori Bölümler",
+    "HeaderFavoriteShows": "Favori Diziler",
+    "HeaderFavoriteSongs": "Favori Şarkılar",
+    "HeaderLiveTV": "Canlı TV",
+    "HeaderNextUp": "Sonraki hafta",
     "HeaderRecordingGroups": "Recording Groups",
     "HomeVideos": "Home videos",
     "Inherit": "Inherit",
@@ -38,7 +38,7 @@
     "MessageNamedServerConfigurationUpdatedWithValue": "Server configuration section {0} has been updated",
     "MessageServerConfigurationUpdated": "Server configuration has been updated",
     "MixedContent": "Mixed content",
-    "Movies": "Movies",
+    "Movies": "Filmler",
     "Music": "Müzik",
     "MusicVideos": "Müzik videoları",
     "NameInstallFailed": "{0} kurulum başarısız",
@@ -50,7 +50,7 @@
     "NotificationOptionAudioPlayback": "Audio playback started",
     "NotificationOptionAudioPlaybackStopped": "Audio playback stopped",
     "NotificationOptionCameraImageUploaded": "Camera image uploaded",
-    "NotificationOptionInstallationFailed": "Installation failure",
+    "NotificationOptionInstallationFailed": "Yükleme hatası",
     "NotificationOptionNewLibraryContent": "New content added",
     "NotificationOptionPluginError": "Plugin failure",
     "NotificationOptionPluginInstalled": "Plugin installed",
@@ -61,8 +61,8 @@
     "NotificationOptionUserLockedOut": "User locked out",
     "NotificationOptionVideoPlayback": "Video playback started",
     "NotificationOptionVideoPlaybackStopped": "Video playback stopped",
-    "Photos": "Photos",
-    "Playlists": "Playlists",
+    "Photos": "Fotoğraflar",
+    "Playlists": "Çalma listeleri",
     "Plugin": "Plugin",
     "PluginInstalledWithName": "{0} was installed",
     "PluginUninstalledWithName": "{0} was uninstalled",
@@ -71,13 +71,13 @@
     "ScheduledTaskFailedWithName": "{0} failed",
     "ScheduledTaskStartedWithName": "{0} started",
     "ServerNameNeedsToBeRestarted": "{0} needs to be restarted",
-    "Shows": "Shows",
-    "Songs": "Songs",
+    "Shows": "Diziler",
+    "Songs": "Şarkılar",
     "StartupEmbyServerIsLoading": "Jellyfin Server is loading. Please try again shortly.",
     "SubtitleDownloadFailureForItem": "Subtitles failed to download for {0}",
     "SubtitleDownloadFailureFromForItem": "Subtitles failed to download from {0} for {1}",
     "SubtitlesDownloadedForItem": "Subtitles downloaded for {0}",
-    "Sync": "Sync",
+    "Sync": "Eşitle",
     "System": "System",
     "TvShows": "TV Shows",
     "User": "User",
@@ -92,6 +92,6 @@
     "UserStartedPlayingItemWithValues": "{0} is playing {1} on {2}",
     "UserStoppedPlayingItemWithValues": "{0} has finished playing {1} on {2}",
     "ValueHasBeenAddedToLibrary": "{0} has been added to your media library",
-    "ValueSpecialEpisodeName": "Special - {0}",
+    "ValueSpecialEpisodeName": "Özel -{0}",
     "VersionNumber": "Version {0}"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/zh-CN.json b/Emby.Server.Implementations/Localization/Core/zh-CN.json
index 63aa6a557..ba5e93982 100644
--- a/Emby.Server.Implementations/Localization/Core/zh-CN.json
+++ b/Emby.Server.Implementations/Localization/Core/zh-CN.json
@@ -3,7 +3,7 @@
     "AppDeviceValues": "应用: {0}, 设备: {1}",
     "Application": "应用程序",
     "Artists": "艺术家",
-    "AuthenticationSucceededWithUserName": "{0} 成功验证",
+    "AuthenticationSucceededWithUserName": "{0} 认证成功",
     "Books": "书籍",
     "CameraImageUploadedFrom": "已从 {0} 上传了一张新的相机图像",
     "Channels": "频道",
@@ -12,15 +12,15 @@
     "DeviceOfflineWithName": "{0} 已断开",
     "DeviceOnlineWithName": "{0} 已连接",
     "FailedLoginAttemptWithUserName": "来自 {0} 的失败登入",
-    "Favorites": "最爱",
+    "Favorites": "我的最爱",
     "Folders": "文件夹",
     "Genres": "风格",
     "HeaderAlbumArtists": "专辑作家",
     "HeaderCameraUploads": "相机上传",
     "HeaderContinueWatching": "继续观看",
     "HeaderFavoriteAlbums": "最爱的专辑",
-    "HeaderFavoriteArtists": "最爱作家",
-    "HeaderFavoriteEpisodes": "最爱的集",
+    "HeaderFavoriteArtists": "最爱的艺术家",
+    "HeaderFavoriteEpisodes": "最爱的剧集",
     "HeaderFavoriteShows": "最爱的节目",
     "HeaderFavoriteSongs": "最爱的歌曲",
     "HeaderLiveTV": "电视直播",
@@ -30,7 +30,7 @@
     "Inherit": "继承",
     "ItemAddedWithName": "{0} 已添加到媒体库",
     "ItemRemovedWithName": "{0} 已从媒体库中移除",
-    "LabelIpAddressValue": "Ip 地址：{0}",
+    "LabelIpAddressValue": "IP 地址：{0}",
     "LabelRunningTimeValue": "运行时间：{0}",
     "Latest": "最新",
     "MessageApplicationUpdated": "Jellyfin 服务器已更新",
diff --git a/Emby.Server.Implementations/Localization/LocalizationManager.cs b/Emby.Server.Implementations/Localization/LocalizationManager.cs
index 8c49b6405..13cdc50ca 100644
--- a/Emby.Server.Implementations/Localization/LocalizationManager.cs
+++ b/Emby.Server.Implementations/Localization/LocalizationManager.cs
@@ -17,43 +17,49 @@ using Microsoft.Extensions.Logging;
 namespace Emby.Server.Implementations.Localization
 {
     /// <summary>
-    /// Class LocalizationManager
+    /// Class LocalizationManager.
     /// </summary>
     public class LocalizationManager : ILocalizationManager
     {
-        /// <summary>
-        /// The _configuration manager
-        /// </summary>
-        private readonly IServerConfigurationManager _configurationManager;
+        private const string DefaultCulture = "en-US";
+        private static readonly Assembly _assembly = typeof(LocalizationManager).Assembly;
+        private static readonly string[] _unratedValues = { "n/a", "unrated", "not rated" };
 
         /// <summary>
-        /// The us culture
+        /// The _configuration manager.
         /// </summary>
-        private static readonly CultureInfo UsCulture = new CultureInfo("en-US");
+        private readonly IServerConfigurationManager _configurationManager;
+        private readonly IJsonSerializer _jsonSerializer;
+        private readonly ILogger _logger;
 
         private readonly Dictionary<string, Dictionary<string, ParentalRating>> _allParentalRatings =
             new Dictionary<string, Dictionary<string, ParentalRating>>(StringComparer.OrdinalIgnoreCase);
 
-        private readonly IJsonSerializer _jsonSerializer;
-        private readonly ILogger _logger;
-        private static readonly Assembly _assembly = typeof(LocalizationManager).Assembly;
+        private readonly ConcurrentDictionary<string, Dictionary<string, string>> _dictionaries =
+            new ConcurrentDictionary<string, Dictionary<string, string>>(StringComparer.OrdinalIgnoreCase);
+
+        private List<CultureDto> _cultures;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="LocalizationManager" /> class.
         /// </summary>
         /// <param name="configurationManager">The configuration manager.</param>
         /// <param name="jsonSerializer">The json serializer.</param>
-        /// <param name="loggerFactory">The logger factory</param>
+        /// <param name="logger">The logger.</param>
         public LocalizationManager(
             IServerConfigurationManager configurationManager,
             IJsonSerializer jsonSerializer,
-            ILoggerFactory loggerFactory)
+            ILogger<LocalizationManager> logger)
         {
             _configurationManager = configurationManager;
             _jsonSerializer = jsonSerializer;
-            _logger = loggerFactory.CreateLogger(nameof(LocalizationManager));
+            _logger = logger;
         }
 
+        /// <summary>
+        /// Loads all resources into memory.
+        /// </summary>
+        /// <returns><see cref="Task" />.</returns>
         public async Task LoadAll()
         {
             const string RatingsResource = "Emby.Server.Implementations.Localization.Ratings.";
@@ -82,9 +88,10 @@ namespace Emby.Server.Implementations.Localization
 
                         string[] parts = line.Split(',');
                         if (parts.Length == 2
-                            && int.TryParse(parts[1], NumberStyles.Integer, UsCulture, out var value))
+                            && int.TryParse(parts[1], NumberStyles.Integer, CultureInfo.InvariantCulture, out var value))
                         {
-                            dict.Add(parts[0], new ParentalRating { Name = parts[0], Value = value });
+                            var name = parts[0];
+                            dict.Add(name, new ParentalRating(name, value));
                         }
 #if DEBUG
                         else
@@ -101,16 +108,11 @@ namespace Emby.Server.Implementations.Localization
             await LoadCultures().ConfigureAwait(false);
         }
 
-        public string NormalizeFormKD(string text)
-            => text.Normalize(NormalizationForm.FormKD);
-
-        private CultureDto[] _cultures;
-
         /// <summary>
         /// Gets the cultures.
         /// </summary>
-        /// <returns>IEnumerable{CultureDto}.</returns>
-        public CultureDto[] GetCultures()
+        /// <returns><see cref="IEnumerable{CultureDto}" />.</returns>
+        public IEnumerable<CultureDto> GetCultures()
             => _cultures;
 
         private async Task LoadCultures()
@@ -168,9 +170,10 @@ namespace Emby.Server.Implementations.Localization
                 }
             }
 
-            _cultures = list.ToArray();
+            _cultures = list;
         }
 
+        /// <inheritdoc />
         public CultureDto FindLanguageInfo(string language)
             => GetCultures()
                 .FirstOrDefault(i =>
@@ -179,25 +182,19 @@ namespace Emby.Server.Implementations.Localization
                     || i.ThreeLetterISOLanguageNames.Contains(language, StringComparer.OrdinalIgnoreCase)
                     || string.Equals(i.TwoLetterISOLanguageName, language, StringComparison.OrdinalIgnoreCase));
 
-        /// <summary>
-        /// Gets the countries.
-        /// </summary>
-        /// <returns>IEnumerable{CountryInfo}.</returns>
-        public Task<CountryInfo[]> GetCountries()
-            => _jsonSerializer.DeserializeFromStreamAsync<CountryInfo[]>(
+        /// <inheritdoc />
+        public IEnumerable<CountryInfo> GetCountries()
+            => _jsonSerializer.DeserializeFromStream<IEnumerable<CountryInfo>>(
                     _assembly.GetManifestResourceStream("Emby.Server.Implementations.Localization.countries.json"));
 
-        /// <summary>
-        /// Gets the parental ratings.
-        /// </summary>
-        /// <returns>IEnumerable{ParentalRating}.</returns>
+        /// <inheritdoc />
         public IEnumerable<ParentalRating> GetParentalRatings()
             => GetParentalRatingsDictionary().Values;
 
         /// <summary>
         /// Gets the parental ratings dictionary.
         /// </summary>
-        /// <returns>Dictionary{System.StringParentalRating}.</returns>
+        /// <returns><see cref="Dictionary{String, ParentalRating}" />.</returns>
         private Dictionary<string, ParentalRating> GetParentalRatingsDictionary()
         {
             var countryCode = _configurationManager.Configuration.MetadataCountryCode;
@@ -207,14 +204,14 @@ namespace Emby.Server.Implementations.Localization
                 countryCode = "us";
             }
 
-           return GetRatings(countryCode) ?? GetRatings("us");
+            return GetRatings(countryCode) ?? GetRatings("us");
         }
 
         /// <summary>
         /// Gets the ratings.
         /// </summary>
         /// <param name="countryCode">The country code.</param>
-        /// <returns>The ratings</returns>
+        /// <returns>The ratings.</returns>
         private Dictionary<string, ParentalRating> GetRatings(string countryCode)
         {
             _allParentalRatings.TryGetValue(countryCode, out var value);
@@ -222,14 +219,7 @@ namespace Emby.Server.Implementations.Localization
             return value;
         }
 
-        private static readonly string[] _unratedValues = { "n/a", "unrated", "not rated" };
-
         /// <inheritdoc />
-        /// <summary>
-        /// Gets the rating level.
-        /// </summary>
-        /// <param name="rating">Rating field</param>
-        /// <returns>The rating level</returns>&gt;
         public int? GetRatingLevel(string rating)
         {
             if (string.IsNullOrEmpty(rating))
@@ -277,6 +267,7 @@ namespace Emby.Server.Implementations.Localization
             return null;
         }
 
+        /// <inheritdoc />
         public bool HasUnicodeCategory(string value, UnicodeCategory category)
         {
             foreach (var chr in value)
@@ -290,11 +281,13 @@ namespace Emby.Server.Implementations.Localization
             return false;
         }
 
+        /// <inheritdoc />
         public string GetLocalizedString(string phrase)
         {
             return GetLocalizedString(phrase, _configurationManager.Configuration.UICulture);
         }
 
+        /// <inheritdoc />
         public string GetLocalizedString(string phrase, string culture)
         {
             if (string.IsNullOrEmpty(culture))
@@ -317,12 +310,7 @@ namespace Emby.Server.Implementations.Localization
             return phrase;
         }
 
-        private const string DefaultCulture = "en-US";
-
-        private readonly ConcurrentDictionary<string, Dictionary<string, string>> _dictionaries =
-            new ConcurrentDictionary<string, Dictionary<string, string>>(StringComparer.OrdinalIgnoreCase);
-
-        public Dictionary<string, string> GetLocalizationDictionary(string culture)
+        private Dictionary<string, string> GetLocalizationDictionary(string culture)
         {
             if (string.IsNullOrEmpty(culture))
             {
@@ -332,8 +320,9 @@ namespace Emby.Server.Implementations.Localization
             const string prefix = "Core";
             var key = prefix + culture;
 
-            return _dictionaries.GetOrAdd(key,
-                    f => GetDictionary(prefix, culture, DefaultCulture + ".json").GetAwaiter().GetResult());
+            return _dictionaries.GetOrAdd(
+                key,
+                f => GetDictionary(prefix, culture, DefaultCulture + ".json").GetAwaiter().GetResult());
         }
 
         private async Task<Dictionary<string, string>> GetDictionary(string prefix, string culture, string baseFilename)
@@ -390,45 +379,45 @@ namespace Emby.Server.Implementations.Localization
             return culture + ".json";
         }
 
-        public LocalizationOption[] GetLocalizationOptions()
-            => new LocalizationOption[]
-            {
-                new LocalizationOption("Arabic", "ar"),
-                new LocalizationOption("Bulgarian (Bulgaria)", "bg-BG"),
-                new LocalizationOption("Catalan", "ca"),
-                new LocalizationOption("Chinese Simplified", "zh-CN"),
-                new LocalizationOption("Chinese Traditional", "zh-TW"),
-                new LocalizationOption("Croatian", "hr"),
-                new LocalizationOption("Czech", "cs"),
-                new LocalizationOption("Danish", "da"),
-                new LocalizationOption("Dutch", "nl"),
-                new LocalizationOption("English (United Kingdom)", "en-GB"),
-                new LocalizationOption("English (United States)", "en-US"),
-                new LocalizationOption("French", "fr"),
-                new LocalizationOption("French (Canada)", "fr-CA"),
-                new LocalizationOption("German", "de"),
-                new LocalizationOption("Greek", "el"),
-                new LocalizationOption("Hebrew", "he"),
-                new LocalizationOption("Hungarian", "hu"),
-                new LocalizationOption("Italian", "it"),
-                new LocalizationOption("Kazakh", "kk"),
-                new LocalizationOption("Korean", "ko"),
-                new LocalizationOption("Lithuanian", "lt-LT"),
-                new LocalizationOption("Malay", "ms"),
-                new LocalizationOption("Norwegian Bokmål", "nb"),
-                new LocalizationOption("Persian", "fa"),
-                new LocalizationOption("Polish", "pl"),
-                new LocalizationOption("Portuguese (Brazil)", "pt-BR"),
-                new LocalizationOption("Portuguese (Portugal)", "pt-PT"),
-                new LocalizationOption("Russian", "ru"),
-                new LocalizationOption("Slovak", "sk"),
-                new LocalizationOption("Slovenian (Slovenia)", "sl-SI"),
-                new LocalizationOption("Spanish", "es"),
-                new LocalizationOption("Spanish (Argentina)", "es-AR"),
-                new LocalizationOption("Spanish (Mexico)", "es-MX"),
-                new LocalizationOption("Swedish", "sv"),
-                new LocalizationOption("Swiss German", "gsw"),
-                new LocalizationOption("Turkish", "tr")
-            };
+        /// <inheritdoc />
+        public IEnumerable<LocalizationOption> GetLocalizationOptions()
+        {
+            yield return new LocalizationOption("Arabic", "ar");
+            yield return new LocalizationOption("Bulgarian (Bulgaria)", "bg-BG");
+            yield return new LocalizationOption("Catalan", "ca");
+            yield return new LocalizationOption("Chinese Simplified", "zh-CN");
+            yield return new LocalizationOption("Chinese Traditional", "zh-TW");
+            yield return new LocalizationOption("Croatian", "hr");
+            yield return new LocalizationOption("Czech", "cs");
+            yield return new LocalizationOption("Danish", "da");
+            yield return new LocalizationOption("Dutch", "nl");
+            yield return new LocalizationOption("English (United Kingdom)", "en-GB");
+            yield return new LocalizationOption("English (United States)", "en-US");
+            yield return new LocalizationOption("French", "fr");
+            yield return new LocalizationOption("French (Canada)", "fr-CA");
+            yield return new LocalizationOption("German", "de");
+            yield return new LocalizationOption("Greek", "el");
+            yield return new LocalizationOption("Hebrew", "he");
+            yield return new LocalizationOption("Hungarian", "hu");
+            yield return new LocalizationOption("Italian", "it");
+            yield return new LocalizationOption("Kazakh", "kk");
+            yield return new LocalizationOption("Korean", "ko");
+            yield return new LocalizationOption("Lithuanian", "lt-LT");
+            yield return new LocalizationOption("Malay", "ms");
+            yield return new LocalizationOption("Norwegian Bokmål", "nb");
+            yield return new LocalizationOption("Persian", "fa");
+            yield return new LocalizationOption("Polish", "pl");
+            yield return new LocalizationOption("Portuguese (Brazil)", "pt-BR");
+            yield return new LocalizationOption("Portuguese (Portugal)", "pt-PT");
+            yield return new LocalizationOption("Russian", "ru");
+            yield return new LocalizationOption("Slovak", "sk");
+            yield return new LocalizationOption("Slovenian (Slovenia)", "sl-SI");
+            yield return new LocalizationOption("Spanish", "es");
+            yield return new LocalizationOption("Spanish (Argentina)", "es-AR");
+            yield return new LocalizationOption("Spanish (Mexico)", "es-MX");
+            yield return new LocalizationOption("Swedish", "sv");
+            yield return new LocalizationOption("Swiss German", "gsw");
+            yield return new LocalizationOption("Turkish", "tr");
+        }
     }
 }
diff --git a/Emby.Server.Implementations/MediaEncoder/EncodingManager.cs b/Emby.Server.Implementations/MediaEncoder/EncodingManager.cs
index 52d07d784..840aca7a6 100644
--- a/Emby.Server.Implementations/MediaEncoder/EncodingManager.cs
+++ b/Emby.Server.Implementations/MediaEncoder/EncodingManager.cs
@@ -139,7 +139,7 @@ namespace Emby.Server.Implementations.MediaEncoder
 
                             var protocol = MediaProtocol.File;
 
-                            var inputPath = MediaEncoderHelpers.GetInputArgument(_fileSystem, video.Path, protocol, null, Array.Empty<string>());
+                            var inputPath = MediaEncoderHelpers.GetInputArgument(_fileSystem, video.Path, null, Array.Empty<string>());
 
                             Directory.CreateDirectory(Path.GetDirectoryName(path));
 
diff --git a/Emby.Server.Implementations/Net/SocketFactory.cs b/Emby.Server.Implementations/Net/SocketFactory.cs
index 42ffa4e22..0870db003 100644
--- a/Emby.Server.Implementations/Net/SocketFactory.cs
+++ b/Emby.Server.Implementations/Net/SocketFactory.cs
@@ -2,54 +2,12 @@ using System;
 using System.IO;
 using System.Net;
 using System.Net.Sockets;
-using Emby.Server.Implementations.Networking;
 using MediaBrowser.Model.Net;
 
 namespace Emby.Server.Implementations.Net
 {
     public class SocketFactory : ISocketFactory
     {
-        // THIS IS A LINKED FILE - SHARED AMONGST MULTIPLE PLATFORMS
-        // Be careful to check any changes compile and work for all platform projects it is shared in.
-
-        // Not entirely happy with this. Would have liked to have done something more generic/reusable,
-        // but that wasn't really the point so kept to YAGNI principal for now, even if the
-        // interfaces are a bit ugly, specific and make assumptions.
-
-        public ISocket CreateTcpSocket(IPAddress remoteAddress, int remotePort)
-        {
-            if (remotePort < 0)
-            {
-                throw new ArgumentException("remotePort cannot be less than zero.", nameof(remotePort));
-            }
-
-            var addressFamily = remoteAddress.AddressFamily == AddressFamily.InterNetwork
-                ? AddressFamily.InterNetwork
-                : AddressFamily.InterNetworkV6;
-
-            var retVal = new Socket(addressFamily, System.Net.Sockets.SocketType.Stream, System.Net.Sockets.ProtocolType.Tcp);
-
-            try
-            {
-                retVal.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
-            }
-            catch (SocketException)
-            {
-                // This is not supported on all operating systems (qnap)
-            }
-
-            try
-            {
-                return new UdpSocket(retVal, new IPEndPoint(remoteAddress, remotePort));
-            }
-            catch
-            {
-                retVal?.Dispose();
-
-                throw;
-            }
-        }
-
         /// <summary>
         /// Creates a new UDP acceptSocket and binds it to the specified local port.
         /// </summary>
@@ -61,7 +19,8 @@ namespace Emby.Server.Implementations.Net
                 throw new ArgumentException("localPort cannot be less than zero.", nameof(localPort));
             }
 
-            var retVal = new Socket(AddressFamily.InterNetwork, System.Net.Sockets.SocketType.Dgram, System.Net.Sockets.ProtocolType.Udp);
+            var retVal = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
+
             try
             {
                 retVal.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
diff --git a/Emby.Server.Implementations/Networking/NetworkManager.cs b/Emby.Server.Implementations/Networking/NetworkManager.cs
index 82add242a..7d85a0666 100644
--- a/Emby.Server.Implementations/Networking/NetworkManager.cs
+++ b/Emby.Server.Implementations/Networking/NetworkManager.cs
@@ -95,9 +95,8 @@ namespace Emby.Server.Implementations.Networking
 
         private static bool FilterIpAddress(IPAddress address)
         {
-            var addressString = address.ToString();
-
-            if (addressString.StartsWith("169.", StringComparison.OrdinalIgnoreCase))
+            if (address.IsIPv6LinkLocal
+                || address.ToString().StartsWith("169.", StringComparison.OrdinalIgnoreCase))
             {
                 return false;
             }
@@ -426,47 +425,27 @@ namespace Emby.Server.Implementations.Networking
             var localEndPoint = new IPEndPoint(IPAddress.Any, 0);
             using (var udpClient = new UdpClient(localEndPoint))
             {
-                var port = ((IPEndPoint)(udpClient.Client.LocalEndPoint)).Port;
+                var port = ((IPEndPoint)udpClient.Client.LocalEndPoint).Port;
                 return port;
             }
         }
 
-        private List<string> _macAddresses;
-        public List<string> GetMacAddresses()
+        private List<PhysicalAddress> _macAddresses;
+        public List<PhysicalAddress> GetMacAddresses()
         {
             if (_macAddresses == null)
             {
-                _macAddresses = GetMacAddressesInternal();
+                _macAddresses = GetMacAddressesInternal().ToList();
             }
+
             return _macAddresses;
         }
 
-        private static List<string> GetMacAddressesInternal()
-        {
-            return NetworkInterface.GetAllNetworkInterfaces()
+        private static IEnumerable<PhysicalAddress> GetMacAddressesInternal()
+            => NetworkInterface.GetAllNetworkInterfaces()
                 .Where(i => i.NetworkInterfaceType != NetworkInterfaceType.Loopback)
-                .Select(i =>
-                {
-                    try
-                    {
-                        var physicalAddress = i.GetPhysicalAddress();
-
-                        if (physicalAddress == null)
-                        {
-                            return null;
-                        }
-
-                        return physicalAddress.ToString();
-                    }
-                    catch (Exception)
-                    {
-                        //TODO Log exception.
-                        return null;
-                    }
-                })
-                .Where(i => i != null)
-                .ToList();
-        }
+                .Select(x => x.GetPhysicalAddress())
+                .Where(x => x != null && x != PhysicalAddress.None);
 
         /// <summary>
         /// Parses the specified endpointstring.
diff --git a/Emby.Server.Implementations/Playlists/ManualPlaylistsFolder.cs b/Emby.Server.Implementations/Playlists/ManualPlaylistsFolder.cs
index f4decc856..de51a37ab 100644
--- a/Emby.Server.Implementations/Playlists/ManualPlaylistsFolder.cs
+++ b/Emby.Server.Implementations/Playlists/ManualPlaylistsFolder.cs
@@ -1,9 +1,9 @@
 using System.Collections.Generic;
 using System.Linq;
+using System.Text.Json.Serialization;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Playlists;
 using MediaBrowser.Model.Querying;
-using MediaBrowser.Model.Serialization;
 
 namespace Emby.Server.Implementations.Playlists
 {
@@ -24,13 +24,13 @@ namespace Emby.Server.Implementations.Playlists
             return base.GetEligibleChildrenForRecursiveChildren(user).OfType<Playlist>();
         }
 
-        [IgnoreDataMember]
+        [JsonIgnore]
         public override bool IsHidden => true;
 
-        [IgnoreDataMember]
+        [JsonIgnore]
         public override bool SupportsInheritedParentImages => false;
 
-        [IgnoreDataMember]
+        [JsonIgnore]
         public override string CollectionType => MediaBrowser.Model.Entities.CollectionType.Playlists;
 
         protected override QueryResult<BaseItem> GetItemsInternal(InternalItemsQuery query)
diff --git a/Emby.Server.Implementations/Playlists/PlaylistManager.cs b/Emby.Server.Implementations/Playlists/PlaylistManager.cs
index 29836e0bf..40b568b40 100644
--- a/Emby.Server.Implementations/Playlists/PlaylistManager.cs
+++ b/Emby.Server.Implementations/Playlists/PlaylistManager.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Threading;
@@ -129,7 +130,7 @@ namespace Emby.Server.Implementations.Playlists
                     {
                         new Share
                         {
-                            UserId = options.UserId.Equals(Guid.Empty) ? null : options.UserId.ToString("N"),
+                            UserId = options.UserId.Equals(Guid.Empty) ? null : options.UserId.ToString("N", CultureInfo.InvariantCulture),
                             CanEdit = true
                         }
                     }
@@ -144,7 +145,7 @@ namespace Emby.Server.Implementations.Playlists
 
                 if (options.ItemIdList.Length > 0)
                 {
-                    AddToPlaylistInternal(playlist.Id.ToString("N"), options.ItemIdList, user, new DtoOptions(false)
+                    AddToPlaylistInternal(playlist.Id.ToString("N", CultureInfo.InvariantCulture), options.ItemIdList, user, new DtoOptions(false)
                     {
                         EnableImages = true
                     });
@@ -152,7 +153,7 @@ namespace Emby.Server.Implementations.Playlists
 
                 return new PlaylistCreationResult
                 {
-                    Id = playlist.Id.ToString("N")
+                    Id = playlist.Id.ToString("N", CultureInfo.InvariantCulture)
                 };
             }
             finally
diff --git a/Emby.Server.Implementations/ScheduledTasks/ScheduledTaskWorker.cs b/Emby.Server.Implementations/ScheduledTasks/ScheduledTaskWorker.cs
index 08bb39578..83226b07f 100644
--- a/Emby.Server.Implementations/ScheduledTasks/ScheduledTaskWorker.cs
+++ b/Emby.Server.Implementations/ScheduledTasks/ScheduledTaskWorker.cs
@@ -1,5 +1,5 @@
 using System;
-using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Threading;
@@ -287,7 +287,7 @@ namespace Emby.Server.Implementations.ScheduledTasks
             {
                 if (_id == null)
                 {
-                    _id = ScheduledTask.GetType().FullName.GetMD5().ToString("N");
+                    _id = ScheduledTask.GetType().FullName.GetMD5().ToString("N", CultureInfo.InvariantCulture);
                 }
 
                 return _id;
diff --git a/Emby.Server.Implementations/ScheduledTasks/Tasks/DeleteTranscodeFileTask.cs b/Emby.Server.Implementations/ScheduledTasks/Tasks/DeleteTranscodeFileTask.cs
new file mode 100644
index 000000000..c343a7d48
--- /dev/null
+++ b/Emby.Server.Implementations/ScheduledTasks/Tasks/DeleteTranscodeFileTask.cs
@@ -0,0 +1,155 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using MediaBrowser.Model.IO;
+using MediaBrowser.Model.Tasks;
+using Microsoft.Extensions.Logging;
+
+namespace Emby.Server.Implementations.ScheduledTasks.Tasks
+{
+    /// <summary>
+    /// Deletes all transcoding temp files
+    /// </summary>
+    public class DeleteTranscodeFileTask : IScheduledTask, IConfigurableScheduledTask
+    {
+        /// <summary>
+        /// Gets or sets the application paths.
+        /// </summary>
+        /// <value>The application paths.</value>
+        private ServerApplicationPaths ApplicationPaths { get; set; }
+
+        private readonly ILogger _logger;
+
+        private readonly IFileSystem _fileSystem;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="DeleteTranscodeFileTask" /> class.
+        /// </summary>
+        public DeleteTranscodeFileTask(ServerApplicationPaths appPaths, ILogger logger, IFileSystem fileSystem)
+        {
+            ApplicationPaths = appPaths;
+            _logger = logger;
+            _fileSystem = fileSystem;
+        }
+
+        /// <summary>
+        /// Creates the triggers that define when the task will run
+        /// </summary>
+        /// <returns>IEnumerable{BaseTaskTrigger}.</returns>
+        public IEnumerable<TaskTriggerInfo> GetDefaultTriggers() => new List<TaskTriggerInfo>();
+
+        /// <summary>
+        /// Returns the task to be executed
+        /// </summary>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <param name="progress">The progress.</param>
+        /// <returns>Task.</returns>
+        public Task Execute(CancellationToken cancellationToken, IProgress<double> progress)
+        {
+            var minDateModified = DateTime.UtcNow.AddDays(-1);
+            progress.Report(50);
+
+            try
+            {
+                DeleteTempFilesFromDirectory(cancellationToken, ApplicationPaths.TranscodingTempPath, minDateModified, progress);
+            }
+            catch (DirectoryNotFoundException)
+            {
+                // No biggie here. Nothing to delete
+            }
+
+            return Task.CompletedTask;
+        }
+
+
+        /// <summary>
+        /// Deletes the transcoded temp files from directory with a last write time less than a given date
+        /// </summary>
+        /// <param name="cancellationToken">The task cancellation token.</param>
+        /// <param name="directory">The directory.</param>
+        /// <param name="minDateModified">The min date modified.</param>
+        /// <param name="progress">The progress.</param>
+        private void DeleteTempFilesFromDirectory(CancellationToken cancellationToken, string directory, DateTime minDateModified, IProgress<double> progress)
+        {
+            var filesToDelete = _fileSystem.GetFiles(directory, true)
+                .Where(f => _fileSystem.GetLastWriteTimeUtc(f) < minDateModified)
+                .ToList();
+
+            var index = 0;
+
+            foreach (var file in filesToDelete)
+            {
+                double percent = index;
+                percent /= filesToDelete.Count;
+
+                progress.Report(100 * percent);
+
+                cancellationToken.ThrowIfCancellationRequested();
+
+                DeleteFile(file.FullName);
+
+                index++;
+            }
+
+            DeleteEmptyFolders(directory);
+
+            progress.Report(100);
+        }
+
+        private void DeleteEmptyFolders(string parent)
+        {
+            foreach (var directory in _fileSystem.GetDirectoryPaths(parent))
+            {
+                DeleteEmptyFolders(directory);
+                if (!_fileSystem.GetFileSystemEntryPaths(directory).Any())
+                {
+                    try
+                    {
+                        Directory.Delete(directory, false);
+                    }
+                    catch (UnauthorizedAccessException ex)
+                    {
+                        _logger.LogError(ex, "Error deleting directory {path}", directory);
+                    }
+                    catch (IOException ex)
+                    {
+                        _logger.LogError(ex, "Error deleting directory {path}", directory);
+                    }
+                }
+            }
+        }
+
+        private void DeleteFile(string path)
+        {
+            try
+            {
+                _fileSystem.DeleteFile(path);
+            }
+            catch (UnauthorizedAccessException ex)
+            {
+                _logger.LogError(ex, "Error deleting file {path}", path);
+            }
+            catch (IOException ex)
+            {
+                _logger.LogError(ex, "Error deleting file {path}", path);
+            }
+        }
+
+        public string Name => "Transcoding temp cleanup";
+
+        public string Description => "Deletes transcoding temp files older than 24 hours.";
+
+        public string Category => "Maintenance";
+
+        public string Key => "DeleteTranscodingTempFiles";
+
+        public bool IsHidden => false;
+
+        public bool IsEnabled => false;
+
+        public bool IsLogged => true;
+    }
+}
diff --git a/Emby.Server.Implementations/ScheduledTasks/Tasks/PluginUpdateTask.cs b/Emby.Server.Implementations/ScheduledTasks/Tasks/PluginUpdateTask.cs
index c6431c311..7afeba9dd 100644
--- a/Emby.Server.Implementations/ScheduledTasks/Tasks/PluginUpdateTask.cs
+++ b/Emby.Server.Implementations/ScheduledTasks/Tasks/PluginUpdateTask.cs
@@ -1,4 +1,3 @@
-using MediaBrowser.Common;
 using MediaBrowser.Common.Updates;
 using MediaBrowser.Model.Net;
 using System;
@@ -25,13 +24,10 @@ namespace Emby.Server.Implementations.ScheduledTasks
 
         private readonly IInstallationManager _installationManager;
 
-        private readonly IApplicationHost _appHost;
-
-        public PluginUpdateTask(ILogger logger, IInstallationManager installationManager, IApplicationHost appHost)
+        public PluginUpdateTask(ILogger logger, IInstallationManager installationManager)
         {
             _logger = logger;
             _installationManager = installationManager;
-            _appHost = appHost;
         }
 
         /// <summary>
@@ -40,14 +36,11 @@ namespace Emby.Server.Implementations.ScheduledTasks
         /// <returns>IEnumerable{BaseTaskTrigger}.</returns>
         public IEnumerable<TaskTriggerInfo> GetDefaultTriggers()
         {
-            return new[] { 
-            
-                // At startup
-                new TaskTriggerInfo {Type = TaskTriggerInfo.TriggerStartup},
-
-                // Every so often
-                new TaskTriggerInfo { Type = TaskTriggerInfo.TriggerInterval, IntervalTicks = TimeSpan.FromHours(24).Ticks}
-            };
+            // At startup
+            yield return new TaskTriggerInfo { Type = TaskTriggerInfo.TriggerStartup };
+
+            // Every so often
+            yield return new TaskTriggerInfo { Type = TaskTriggerInfo.TriggerInterval, IntervalTicks = TimeSpan.FromHours(24).Ticks };
         }
 
         /// <summary>
@@ -72,7 +65,7 @@ namespace Emby.Server.Implementations.ScheduledTasks
 
                 try
                 {
-                    await _installationManager.InstallPackage(package, true, new SimpleProgress<double>(), cancellationToken).ConfigureAwait(false);
+                    await _installationManager.InstallPackage(package, cancellationToken).ConfigureAwait(false);
                 }
                 catch (OperationCanceledException)
                 {
@@ -94,8 +87,7 @@ namespace Emby.Server.Implementations.ScheduledTasks
                 // Update progress
                 lock (progress)
                 {
-                    numComplete++;
-                    progress.Report(90.0 * numComplete / packagesToInstall.Count + 10);
+                    progress.Report((90.0 * ++numComplete / packagesToInstall.Count) + 10);
                 }
             }
 
diff --git a/Emby.Server.Implementations/ScheduledTasks/Tasks/RefreshMediaLibraryTask.cs b/Emby.Server.Implementations/ScheduledTasks/Tasks/RefreshMediaLibraryTask.cs
index 1a3d85ad7..3e6d251c9 100644
--- a/Emby.Server.Implementations/ScheduledTasks/Tasks/RefreshMediaLibraryTask.cs
+++ b/Emby.Server.Implementations/ScheduledTasks/Tasks/RefreshMediaLibraryTask.cs
@@ -10,7 +10,7 @@ using MediaBrowser.Model.Tasks;
 namespace Emby.Server.Implementations.ScheduledTasks
 {
     /// <summary>
-    /// Class RefreshMediaLibraryTask
+    /// Class RefreshMediaLibraryTask.
     /// </summary>
     public class RefreshMediaLibraryTask : IScheduledTask
     {
@@ -31,15 +31,14 @@ namespace Emby.Server.Implementations.ScheduledTasks
         }
 
         /// <summary>
-        /// Creates the triggers that define when the task will run
+        /// Creates the triggers that define when the task will run.
         /// </summary>
         /// <returns>IEnumerable{BaseTaskTrigger}.</returns>
         public IEnumerable<TaskTriggerInfo> GetDefaultTriggers()
         {
-            return new[] {
-
-                // Every so often
-                new TaskTriggerInfo { Type = TaskTriggerInfo.TriggerInterval, IntervalTicks = TimeSpan.FromHours(12).Ticks}
+            yield return new TaskTriggerInfo
+            {
+                Type = TaskTriggerInfo.TriggerInterval, IntervalTicks = TimeSpan.FromHours(12).Ticks
             };
         }
 
@@ -60,7 +59,7 @@ namespace Emby.Server.Implementations.ScheduledTasks
 
         public string Name => "Scan media library";
 
-        public string Description => "Scans your media library and refreshes metatata based on configuration.";
+        public string Description => "Scans your media library for new files and refreshes metadata.";
 
         public string Category => "Library";
 
diff --git a/Emby.Server.Implementations/Security/AuthenticationRepository.cs b/Emby.Server.Implementations/Security/AuthenticationRepository.cs
index 545e11bf9..1ef5c4b99 100644
--- a/Emby.Server.Implementations/Security/AuthenticationRepository.cs
+++ b/Emby.Server.Implementations/Security/AuthenticationRepository.cs
@@ -23,22 +23,22 @@ namespace Emby.Server.Implementations.Security
 
         public void Initialize()
         {
-            using (var connection = GetConnection())
+            string[] queries =
             {
-                var tableNewlyCreated = !TableExists(connection, "Tokens");
+                "create table if not exists Tokens (Id INTEGER PRIMARY KEY, AccessToken TEXT NOT NULL, DeviceId TEXT NOT NULL, AppName TEXT NOT NULL, AppVersion TEXT NOT NULL, DeviceName TEXT NOT NULL, UserId TEXT, UserName TEXT, IsActive BIT NOT NULL, DateCreated DATETIME NOT NULL, DateLastActivity DATETIME NOT NULL)",
+                "create table if not exists Devices (Id TEXT NOT NULL PRIMARY KEY, CustomName TEXT, Capabilities TEXT)",
+                "drop index if exists idx_AccessTokens",
+                "drop index if exists Tokens1",
+                "drop index if exists Tokens2",
 
-                string[] queries = {
-
-                                "create table if not exists Tokens (Id INTEGER PRIMARY KEY, AccessToken TEXT NOT NULL, DeviceId TEXT NOT NULL, AppName TEXT NOT NULL, AppVersion TEXT NOT NULL, DeviceName TEXT NOT NULL, UserId TEXT, UserName TEXT, IsActive BIT NOT NULL, DateCreated DATETIME NOT NULL, DateLastActivity DATETIME NOT NULL)",
-                                "create table if not exists Devices (Id TEXT NOT NULL PRIMARY KEY, CustomName TEXT, Capabilities TEXT)",
+                "create index if not exists Tokens3 on Tokens (AccessToken, DateLastActivity)",
+                "create index if not exists Tokens4 on Tokens (Id, DateLastActivity)",
+                "create index if not exists Devices1 on Devices (Id)"
+            };
 
-                                "drop index if exists idx_AccessTokens",
-                                "drop index if exists Tokens1",
-                                "drop index if exists Tokens2",
-                                "create index if not exists Tokens3 on Tokens (AccessToken, DateLastActivity)",
-                                "create index if not exists Tokens4 on Tokens (Id, DateLastActivity)",
-                                "create index if not exists Devices1 on Devices (Id)"
-                               };
+            using (var connection = GetConnection())
+            {
+                var tableNewlyCreated = !TableExists(connection, "Tokens");
 
                 connection.RunQueries(queries);
 
@@ -97,7 +97,7 @@ namespace Emby.Server.Implementations.Security
                         statement.TryBind("@AppName", info.AppName);
                         statement.TryBind("@AppVersion", info.AppVersion);
                         statement.TryBind("@DeviceName", info.DeviceName);
-                        statement.TryBind("@UserId", (info.UserId.Equals(Guid.Empty) ? null : info.UserId.ToString("N")));
+                        statement.TryBind("@UserId", (info.UserId.Equals(Guid.Empty) ? null : info.UserId.ToString("N", CultureInfo.InvariantCulture)));
                         statement.TryBind("@UserName", info.UserName);
                         statement.TryBind("@IsActive", true);
                         statement.TryBind("@DateCreated", info.DateCreated.ToDateTimeParamValue());
@@ -131,7 +131,7 @@ namespace Emby.Server.Implementations.Security
                         statement.TryBind("@AppName", info.AppName);
                         statement.TryBind("@AppVersion", info.AppVersion);
                         statement.TryBind("@DeviceName", info.DeviceName);
-                        statement.TryBind("@UserId", (info.UserId.Equals(Guid.Empty) ? null : info.UserId.ToString("N")));
+                        statement.TryBind("@UserId", (info.UserId.Equals(Guid.Empty) ? null : info.UserId.ToString("N", CultureInfo.InvariantCulture)));
                         statement.TryBind("@UserName", info.UserName);
                         statement.TryBind("@DateCreated", info.DateCreated.ToDateTimeParamValue());
                         statement.TryBind("@DateLastActivity", info.DateLastActivity.ToDateTimeParamValue());
@@ -174,7 +174,7 @@ namespace Emby.Server.Implementations.Security
 
             if (!query.UserId.Equals(Guid.Empty))
             {
-                statement.TryBind("@UserId", query.UserId.ToString("N"));
+                statement.TryBind("@UserId", query.UserId.ToString("N", CultureInfo.InvariantCulture));
             }
 
             if (!string.IsNullOrEmpty(query.DeviceId))
@@ -244,45 +244,46 @@ namespace Emby.Server.Implementations.Security
                 }
             }
 
-            var list = new List<AuthenticationInfo>();
+            var statementTexts = new[]
+            {
+                commandText,
+                "select count (Id) from Tokens" + whereTextWithoutPaging
+            };
 
+            var list = new List<AuthenticationInfo>();
+            var result = new QueryResult<AuthenticationInfo>();
             using (var connection = GetConnection(true))
             {
-                return connection.RunInTransaction(db =>
-                {
-                    var result = new QueryResult<AuthenticationInfo>();
-
-                    var statementTexts = new List<string>();
-                    statementTexts.Add(commandText);
-                    statementTexts.Add("select count (Id) from Tokens" + whereTextWithoutPaging);
-
-                    var statements = PrepareAll(db, statementTexts)
-                        .ToList();
-
-                    using (var statement = statements[0])
+                connection.RunInTransaction(
+                    db =>
                     {
-                        BindAuthenticationQueryParams(query, statement);
+                        var statements = PrepareAll(db, statementTexts)
+                            .ToList();
 
-                        foreach (var row in statement.ExecuteQuery())
+                        using (var statement = statements[0])
                         {
-                            list.Add(Get(row));
-                        }
+                            BindAuthenticationQueryParams(query, statement);
 
-                        using (var totalCountStatement = statements[1])
-                        {
-                            BindAuthenticationQueryParams(query, totalCountStatement);
-
-                            result.TotalRecordCount = totalCountStatement.ExecuteQuery()
-                                .SelectScalarInt()
-                                .First();
-                        }
-                    }
+                            foreach (var row in statement.ExecuteQuery())
+                            {
+                                list.Add(Get(row));
+                            }
 
-                    result.Items = list.ToArray();
-                    return result;
+                            using (var totalCountStatement = statements[1])
+                            {
+                                BindAuthenticationQueryParams(query, totalCountStatement);
 
-                }, ReadTransactionMode);
+                                result.TotalRecordCount = totalCountStatement.ExecuteQuery()
+                                    .SelectScalarInt()
+                                    .First();
+                            }
+                        }
+                    },
+                    ReadTransactionMode);
             }
+
+            result.Items = list.ToArray();
+            return result;
         }
 
         private static AuthenticationInfo Get(IReadOnlyList<IResultSetValue> reader)
diff --git a/Emby.Server.Implementations/Serialization/JsonSerializer.cs b/Emby.Server.Implementations/Serialization/JsonSerializer.cs
index 8ae7fd90c..36196ee36 100644
--- a/Emby.Server.Implementations/Serialization/JsonSerializer.cs
+++ b/Emby.Server.Implementations/Serialization/JsonSerializer.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Globalization;
 using System.IO;
 using System.Threading.Tasks;
 using MediaBrowser.Model.IO;
@@ -245,7 +246,7 @@ namespace Emby.Server.Implementations.Serialization
                 return null;
             }
 
-            return guid.ToString("N");
+            return guid.ToString("N", CultureInfo.InvariantCulture);
         }
 
         /// <summary>
diff --git a/Emby.Server.Implementations/ServerApplicationPaths.cs b/Emby.Server.Implementations/ServerApplicationPaths.cs
index adaf23234..2f5a8af80 100644
--- a/Emby.Server.Implementations/ServerApplicationPaths.cs
+++ b/Emby.Server.Implementations/ServerApplicationPaths.cs
@@ -10,8 +10,12 @@ namespace Emby.Server.Implementations
     /// </summary>
     public class ServerApplicationPaths : BaseApplicationPaths, IServerApplicationPaths
     {
+        private string _defaultTranscodingTempPath;
+        private string _transcodingTempPath;
+        private string _internalMetadataPath;
+
         /// <summary>
-        /// Initializes a new instance of the <see cref="BaseApplicationPaths" /> class.
+        /// Initializes a new instance of the <see cref="ServerApplicationPaths" /> class.
         /// </summary>
         public ServerApplicationPaths(
             string programDataPath,
@@ -30,7 +34,7 @@ namespace Emby.Server.Implementations
         public string ApplicationResourcesPath { get; } = AppContext.BaseDirectory;
 
         /// <summary>
-        /// Gets the path to the base root media directory
+        /// Gets the path to the base root media directory.
         /// </summary>
         /// <value>The root folder path.</value>
         public string RootFolderPath => Path.Combine(ProgramDataPath, "root");
@@ -48,7 +52,7 @@ namespace Emby.Server.Implementations
         public string LocalizationPath => Path.Combine(ProgramDataPath, "localization");
 
         /// <summary>
-        /// Gets the path to the People directory
+        /// Gets the path to the People directory.
         /// </summary>
         /// <value>The people path.</value>
         public string PeoplePath => Path.Combine(InternalMetadataPath, "People");
@@ -56,37 +60,37 @@ namespace Emby.Server.Implementations
         public string ArtistsPath => Path.Combine(InternalMetadataPath, "artists");
 
         /// <summary>
-        /// Gets the path to the Genre directory
+        /// Gets the path to the Genre directory.
         /// </summary>
         /// <value>The genre path.</value>
         public string GenrePath => Path.Combine(InternalMetadataPath, "Genre");
 
         /// <summary>
-        /// Gets the path to the Genre directory
+        /// Gets the path to the Genre directory.
         /// </summary>
         /// <value>The genre path.</value>
         public string MusicGenrePath => Path.Combine(InternalMetadataPath, "MusicGenre");
 
         /// <summary>
-        /// Gets the path to the Studio directory
+        /// Gets the path to the Studio directory.
         /// </summary>
         /// <value>The studio path.</value>
         public string StudioPath => Path.Combine(InternalMetadataPath, "Studio");
 
         /// <summary>
-        /// Gets the path to the Year directory
+        /// Gets the path to the Year directory.
         /// </summary>
         /// <value>The year path.</value>
         public string YearPath => Path.Combine(InternalMetadataPath, "Year");
 
         /// <summary>
-        /// Gets the path to the General IBN directory
+        /// Gets the path to the General IBN directory.
         /// </summary>
         /// <value>The general path.</value>
         public string GeneralPath => Path.Combine(InternalMetadataPath, "general");
 
         /// <summary>
-        /// Gets the path to the Ratings IBN directory
+        /// Gets the path to the Ratings IBN directory.
         /// </summary>
         /// <value>The ratings path.</value>
         public string RatingsPath => Path.Combine(InternalMetadataPath, "ratings");
@@ -98,15 +102,13 @@ namespace Emby.Server.Implementations
         public string MediaInfoImagesPath => Path.Combine(InternalMetadataPath, "mediainfo");
 
         /// <summary>
-        /// Gets the path to the user configuration directory
+        /// Gets the path to the user configuration directory.
         /// </summary>
         /// <value>The user configuration directory path.</value>
         public string UserConfigurationDirectoryPath => Path.Combine(ConfigurationDirectoryPath, "users");
 
-        private string _defaultTranscodingTempPath;
         public string DefaultTranscodingTempPath => _defaultTranscodingTempPath ?? (_defaultTranscodingTempPath = Path.Combine(ProgramDataPath, "transcoding-temp"));
 
-        private string _transcodingTempPath;
         public string TranscodingTempPath
         {
             get => _transcodingTempPath ?? (_transcodingTempPath = DefaultTranscodingTempPath);
@@ -139,7 +141,6 @@ namespace Emby.Server.Implementations
             return path;
         }
 
-        private string _internalMetadataPath;
         public string InternalMetadataPath
         {
             get => _internalMetadataPath ?? (_internalMetadataPath = Path.Combine(DataPath, "metadata"));
diff --git a/Emby.Server.Implementations/Services/HttpResult.cs b/Emby.Server.Implementations/Services/HttpResult.cs
index 2b5963a77..095193828 100644
--- a/Emby.Server.Implementations/Services/HttpResult.cs
+++ b/Emby.Server.Implementations/Services/HttpResult.cs
@@ -10,8 +10,6 @@ namespace Emby.Server.Implementations.Services
     public class HttpResult
         : IHttpResult, IAsyncStreamWriter
     {
-        public object Response { get; set; }
-
         public HttpResult(object response, string contentType, HttpStatusCode statusCode)
         {
             this.Headers = new Dictionary<string, string>();
@@ -21,6 +19,8 @@ namespace Emby.Server.Implementations.Services
             this.StatusCode = statusCode;
         }
 
+        public object Response { get; set; }
+
         public string ContentType { get; set; }
 
         public IDictionary<string, string> Headers { get; private set; }
@@ -37,7 +37,7 @@ namespace Emby.Server.Implementations.Services
 
         public async Task WriteToAsync(Stream responseStream, CancellationToken cancellationToken)
         {
-            var response = RequestContext == null ? null : RequestContext.Response;
+            var response = RequestContext?.Response;
 
             if (this.Response is byte[] bytesResponse)
             {
@@ -45,13 +45,14 @@ namespace Emby.Server.Implementations.Services
 
                 if (response != null)
                 {
-                    response.OriginalResponse.ContentLength = contentLength;
+                    response.ContentLength = contentLength;
                 }
 
                 if (contentLength > 0)
                 {
                     await responseStream.WriteAsync(bytesResponse, 0, contentLength, cancellationToken).ConfigureAwait(false);
                 }
+
                 return;
             }
 
diff --git a/Emby.Server.Implementations/Services/ResponseHelper.cs b/Emby.Server.Implementations/Services/ResponseHelper.cs
index 251ba3529..a566b18dd 100644
--- a/Emby.Server.Implementations/Services/ResponseHelper.cs
+++ b/Emby.Server.Implementations/Services/ResponseHelper.cs
@@ -1,5 +1,4 @@
 using System;
-using System.Collections.Generic;
 using System.Globalization;
 using System.IO;
 using System.Net;
@@ -8,12 +7,13 @@ using System.Threading;
 using System.Threading.Tasks;
 using Emby.Server.Implementations.HttpServer;
 using MediaBrowser.Model.Services;
+using Microsoft.AspNetCore.Http;
 
 namespace Emby.Server.Implementations.Services
 {
     public static class ResponseHelper
     {
-        public static Task WriteToResponse(IResponse response, IRequest request, object result, CancellationToken cancellationToken)
+        public static Task WriteToResponse(HttpResponse response, IRequest request, object result, CancellationToken cancellationToken)
         {
             if (result == null)
             {
@@ -22,7 +22,7 @@ namespace Emby.Server.Implementations.Services
                     response.StatusCode = (int)HttpStatusCode.NoContent;
                 }
 
-                response.OriginalResponse.ContentLength = 0;
+                response.ContentLength = 0;
                 return Task.CompletedTask;
             }
 
@@ -41,7 +41,6 @@ namespace Emby.Server.Implementations.Services
                     httpResult.RequestContext = request;
 
                 response.StatusCode = httpResult.Status;
-                response.StatusDescription = httpResult.StatusCode.ToString();
             }
 
             var responseOptions = result as IHasHeaders;
@@ -51,11 +50,11 @@ namespace Emby.Server.Implementations.Services
                 {
                     if (string.Equals(responseHeaders.Key, "Content-Length", StringComparison.OrdinalIgnoreCase))
                     {
-                        response.OriginalResponse.ContentLength = long.Parse(responseHeaders.Value, CultureInfo.InvariantCulture);
+                        response.ContentLength = long.Parse(responseHeaders.Value, CultureInfo.InvariantCulture);
                         continue;
                     }
 
-                    response.AddHeader(responseHeaders.Key, responseHeaders.Value);
+                    response.Headers.Add(responseHeaders.Key, responseHeaders.Value);
                 }
             }
 
@@ -74,31 +73,31 @@ namespace Emby.Server.Implementations.Services
             switch (result)
             {
                 case IAsyncStreamWriter asyncStreamWriter:
-                    return asyncStreamWriter.WriteToAsync(response.OutputStream, cancellationToken);
+                    return asyncStreamWriter.WriteToAsync(response.Body, cancellationToken);
                 case IStreamWriter streamWriter:
-                    streamWriter.WriteTo(response.OutputStream);
+                    streamWriter.WriteTo(response.Body);
                     return Task.CompletedTask;
                 case FileWriter fileWriter:
                     return fileWriter.WriteToAsync(response, cancellationToken);
                 case Stream stream:
-                    return CopyStream(stream, response.OutputStream);
+                    return CopyStream(stream, response.Body);
                 case byte[] bytes:
                     response.ContentType = "application/octet-stream";
-                    response.OriginalResponse.ContentLength = bytes.Length;
+                    response.ContentLength = bytes.Length;
 
                     if (bytes.Length > 0)
                     {
-                        return response.OutputStream.WriteAsync(bytes, 0, bytes.Length, cancellationToken);
+                        return response.Body.WriteAsync(bytes, 0, bytes.Length, cancellationToken);
                     }
 
                     return Task.CompletedTask;
                 case string responseText:
                     var responseTextAsBytes = Encoding.UTF8.GetBytes(responseText);
-                    response.OriginalResponse.ContentLength = responseTextAsBytes.Length;
+                    response.ContentLength = responseTextAsBytes.Length;
 
                     if (responseTextAsBytes.Length > 0)
                     {
-                        return response.OutputStream.WriteAsync(responseTextAsBytes, 0, responseTextAsBytes.Length, cancellationToken);
+                        return response.Body.WriteAsync(responseTextAsBytes, 0, responseTextAsBytes.Length, cancellationToken);
                     }
 
                     return Task.CompletedTask;
@@ -115,7 +114,7 @@ namespace Emby.Server.Implementations.Services
             }
         }
 
-        public static async Task WriteObject(IRequest request, object result, IResponse response)
+        public static async Task WriteObject(IRequest request, object result, HttpResponse response)
         {
             var contentType = request.ResponseContentType;
             var serializer = RequestHelper.GetResponseWriter(HttpListenerHost.Instance, contentType);
@@ -127,11 +126,11 @@ namespace Emby.Server.Implementations.Services
                 ms.Position = 0;
 
                 var contentLength = ms.Length;
-                response.OriginalResponse.ContentLength = contentLength;
+                response.ContentLength = contentLength;
 
                 if (contentLength > 0)
                 {
-                    await ms.CopyToAsync(response.OutputStream).ConfigureAwait(false);
+                    await ms.CopyToAsync(response.Body).ConfigureAwait(false);
                 }
             }
         }
diff --git a/Emby.Server.Implementations/Services/ServiceController.cs b/Emby.Server.Implementations/Services/ServiceController.cs
index 5e3d529c6..d963f9043 100644
--- a/Emby.Server.Implementations/Services/ServiceController.cs
+++ b/Emby.Server.Implementations/Services/ServiceController.cs
@@ -147,7 +147,6 @@ namespace Emby.Server.Implementations.Services
 
         public Task<object> Execute(HttpListenerHost httpHost, object requestDto, IRequest req)
         {
-            req.Dto = requestDto;
             var requestType = requestDto.GetType();
             req.OperationName = requestType.Name;
 
@@ -161,9 +160,6 @@ namespace Emby.Server.Implementations.Services
                 serviceRequiresContext.Request = req;
             }
 
-            if (req.Dto == null) // Don't override existing batched DTO[]
-                req.Dto = requestDto;
-
             //Executes the service and returns the result
             return ServiceExecGeneral.Execute(serviceType, req, service, requestDto, requestType.GetMethodName());
         }
diff --git a/Emby.Server.Implementations/Services/ServiceExec.cs b/Emby.Server.Implementations/Services/ServiceExec.cs
index 38952628d..9f5f97028 100644
--- a/Emby.Server.Implementations/Services/ServiceExec.cs
+++ b/Emby.Server.Implementations/Services/ServiceExec.cs
@@ -78,7 +78,7 @@ namespace Emby.Server.Implementations.Services
                     foreach (var requestFilter in actionContext.RequestFilters)
                     {
                         requestFilter.RequestFilter(request, request.Response, requestDto);
-                        if (request.Response.OriginalResponse.HasStarted)
+                        if (request.Response.HasStarted)
                         {
                             Task.FromResult<object>(null);
                         }
@@ -87,8 +87,7 @@ namespace Emby.Server.Implementations.Services
 
                 var response = actionContext.ServiceAction(instance, requestDto);
 
-                var taskResponse = response as Task;
-                if (taskResponse != null)
+                if (response is Task taskResponse)
                 {
                     return GetTaskResult(taskResponse);
                 }
@@ -104,8 +103,7 @@ namespace Emby.Server.Implementations.Services
         {
             try
             {
-                var taskObject = task as Task<object>;
-                if (taskObject != null)
+                if (task is Task<object> taskObject)
                 {
                     return await taskObject.ConfigureAwait(false);
                 }
@@ -136,7 +134,7 @@ namespace Emby.Server.Implementations.Services
             }
             catch (TypeAccessException)
             {
-                return null; //return null for void Task's
+                return null; // return null for void Task's
             }
         }
 
@@ -155,29 +153,22 @@ namespace Emby.Server.Implementations.Services
                     Id = ServiceMethod.Key(serviceType, actionName, requestType.GetMethodName())
                 };
 
-                try
-                {
-                    actionCtx.ServiceAction = CreateExecFn(serviceType, requestType, mi);
-                }
-                catch
-                {
-                    //Potential problems with MONO, using reflection for fallback
-                    actionCtx.ServiceAction = (service, request) =>
-                                              mi.Invoke(service, new[] { request });
-                }
+                actionCtx.ServiceAction = CreateExecFn(serviceType, requestType, mi);
 
                 var reqFilters = new List<IHasRequestFilter>();
 
                 foreach (var attr in mi.GetCustomAttributes(true))
                 {
-                    var hasReqFilter = attr as IHasRequestFilter;
-
-                    if (hasReqFilter != null)
+                    if (attr is IHasRequestFilter hasReqFilter)
+                    {
                         reqFilters.Add(hasReqFilter);
+                    }
                 }
 
                 if (reqFilters.Count > 0)
+                {
                     actionCtx.RequestFilters = reqFilters.OrderBy(i => i.Priority).ToArray();
+                }
 
                 actions.Add(actionCtx);
             }
@@ -198,15 +189,19 @@ namespace Emby.Server.Implementations.Services
 
             if (mi.ReturnType != typeof(void))
             {
-                var executeFunc = Expression.Lambda<ActionInvokerFn>
-                (callExecute, serviceParam, requestDtoParam).Compile();
+                var executeFunc = Expression.Lambda<ActionInvokerFn>(
+                    callExecute,
+                    serviceParam,
+                    requestDtoParam).Compile();
 
                 return executeFunc;
             }
             else
             {
-                var executeFunc = Expression.Lambda<VoidActionInvokerFn>
-                (callExecute, serviceParam, requestDtoParam).Compile();
+                var executeFunc = Expression.Lambda<VoidActionInvokerFn>(
+                    callExecute,
+                    serviceParam,
+                    requestDtoParam).Compile();
 
                 return (service, request) =>
                 {
diff --git a/Emby.Server.Implementations/Services/ServiceHandler.cs b/Emby.Server.Implementations/Services/ServiceHandler.cs
index d32fce1c7..934560de3 100644
--- a/Emby.Server.Implementations/Services/ServiceHandler.cs
+++ b/Emby.Server.Implementations/Services/ServiceHandler.cs
@@ -5,20 +5,21 @@ using System.Threading;
 using System.Threading.Tasks;
 using Emby.Server.Implementations.HttpServer;
 using MediaBrowser.Model.Services;
+using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.Logging;
 
 namespace Emby.Server.Implementations.Services
 {
     public class ServiceHandler
     {
-        public RestPath RestPath { get; }
+        private RestPath _restPath;
 
-        public string ResponseContentType { get; }
+        private string _responseContentType;
 
         internal ServiceHandler(RestPath restPath, string responseContentType)
         {
-            RestPath = restPath;
-            ResponseContentType = responseContentType;
+            _restPath = restPath;
+            _responseContentType = responseContentType;
         }
 
         protected static Task<object> CreateContentTypeRequest(HttpListenerHost host, IRequest httpReq, Type requestType, string contentType)
@@ -54,7 +55,7 @@ namespace Emby.Server.Implementations.Services
 
         private static string GetFormatContentType(string format)
         {
-            //built-in formats
+            // built-in formats
             switch (format)
             {
                 case "json": return "application/json";
@@ -63,16 +64,16 @@ namespace Emby.Server.Implementations.Services
             }
         }
 
-        public async Task ProcessRequestAsync(HttpListenerHost httpHost, IRequest httpReq, IResponse httpRes, ILogger logger, CancellationToken cancellationToken)
+        public async Task ProcessRequestAsync(HttpListenerHost httpHost, IRequest httpReq, HttpResponse httpRes, ILogger logger, CancellationToken cancellationToken)
         {
-            httpReq.Items["__route"] = RestPath;
+            httpReq.Items["__route"] = _restPath;
 
-            if (ResponseContentType != null)
+            if (_responseContentType != null)
             {
-                httpReq.ResponseContentType = ResponseContentType;
+                httpReq.ResponseContentType = _responseContentType;
             }
 
-            var request = httpReq.Dto = await CreateRequest(httpHost, httpReq, RestPath, logger).ConfigureAwait(false);
+            var request = await CreateRequest(httpHost, httpReq, _restPath, logger).ConfigureAwait(false);
 
             httpHost.ApplyRequestFilters(httpReq, httpRes, request);
 
@@ -94,7 +95,7 @@ namespace Emby.Server.Implementations.Services
             if (RequireqRequestStream(requestType))
             {
                 // Used by IRequiresRequestStream
-                var requestParams = await GetRequestParams(httpReq).ConfigureAwait(false);
+                var requestParams = GetRequestParams(httpReq.Response.HttpContext.Request);
                 var request = ServiceHandler.CreateRequest(httpReq, restPath, requestParams, host.CreateInstance(requestType));
 
                 var rawReq = (IRequiresRequestStream)request;
@@ -103,7 +104,7 @@ namespace Emby.Server.Implementations.Services
             }
             else
             {
-                var requestParams = await GetFlattenedRequestParams(httpReq).ConfigureAwait(false);
+                var requestParams = GetFlattenedRequestParams(httpReq.Response.HttpContext.Request);
 
                 var requestDto = await CreateContentTypeRequest(host, httpReq, restPath.RequestType, httpReq.ContentType).ConfigureAwait(false);
 
@@ -121,7 +122,7 @@ namespace Emby.Server.Implementations.Services
         public static object CreateRequest(IRequest httpReq, RestPath restPath, Dictionary<string, string> requestParams, object requestDto)
         {
             var pathInfo = !restPath.IsWildCardPath
-                ? GetSanitizedPathInfo(httpReq.PathInfo, out string contentType)
+                ? GetSanitizedPathInfo(httpReq.PathInfo, out _)
                 : httpReq.PathInfo;
 
             return restPath.CreateRequest(pathInfo, requestParams, requestDto);
@@ -130,56 +131,41 @@ namespace Emby.Server.Implementations.Services
         /// <summary>
         /// Duplicate Params are given a unique key by appending a #1 suffix
         /// </summary>
-        private static async Task<Dictionary<string, string>> GetRequestParams(IRequest request)
+        private static Dictionary<string, string> GetRequestParams(HttpRequest request)
         {
             var map = new Dictionary<string, string>();
 
-            foreach (var name in request.QueryString.Keys)
+            foreach (var pair in request.Query)
             {
-                if (name == null)
-                {
-                    // thank you ASP.NET
-                    continue;
-                }
-
-                var values = request.QueryString[name];
+                var values = pair.Value;
                 if (values.Count == 1)
                 {
-                    map[name] = values[0];
+                    map[pair.Key] = values[0];
                 }
                 else
                 {
                     for (var i = 0; i < values.Count; i++)
                     {
-                        map[name + (i == 0 ? "" : "#" + i)] = values[i];
+                        map[pair.Key + (i == 0 ? string.Empty : "#" + i)] = values[i];
                     }
                 }
             }
 
-            if ((IsMethod(request.Verb, "POST") || IsMethod(request.Verb, "PUT")))
+            if ((IsMethod(request.Method, "POST") || IsMethod(request.Method, "PUT"))
+                && request.HasFormContentType)
             {
-                var formData = await request.GetFormData().ConfigureAwait(false);
-                if (formData != null)
+                foreach (var pair in request.Form)
                 {
-                    foreach (var name in formData.Keys)
+                    var values = pair.Value;
+                    if (values.Count == 1)
                     {
-                        if (name == null)
-                        {
-                            // thank you ASP.NET
-                            continue;
-                        }
-
-                        var values = formData.GetValues(name);
-                        if (values.Count == 1)
-                        {
-                            map[name] = values[0];
-                        }
-                        else
+                        map[pair.Key] = values[0];
+                    }
+                    else
+                    {
+                        for (var i = 0; i < values.Count; i++)
                         {
-                            for (var i = 0; i < values.Count; i++)
-                            {
-                                map[name + (i == 0 ? "" : "#" + i)] = values[i];
-                            }
+                            map[pair.Key + (i == 0 ? string.Empty : "#" + i)] = values[i];
                         }
                     }
                 }
@@ -189,43 +175,26 @@ namespace Emby.Server.Implementations.Services
         }
 
         private static bool IsMethod(string method, string expected)
-        {
-            return string.Equals(method, expected, StringComparison.OrdinalIgnoreCase);
-        }
+            => string.Equals(method, expected, StringComparison.OrdinalIgnoreCase);
 
         /// <summary>
         /// Duplicate params have their values joined together in a comma-delimited string
         /// </summary>
-        private static async Task<Dictionary<string, string>> GetFlattenedRequestParams(IRequest request)
+        private static Dictionary<string, string> GetFlattenedRequestParams(HttpRequest request)
         {
             var map = new Dictionary<string, string>();
 
-            foreach (var name in request.QueryString.Keys)
+            foreach (var pair in request.Query)
             {
-                if (name == null)
-                {
-                    // thank you ASP.NET
-                    continue;
-                }
-
-                map[name] = request.QueryString[name];
+                map[pair.Key] = pair.Value;
             }
 
-            if ((IsMethod(request.Verb, "POST") || IsMethod(request.Verb, "PUT")))
+            if ((IsMethod(request.Method, "POST") || IsMethod(request.Method, "PUT"))
+                && request.HasFormContentType)
             {
-                var formData = await request.GetFormData().ConfigureAwait(false);
-                if (formData != null)
+                foreach (var pair in request.Form)
                 {
-                    foreach (var name in formData.Keys)
-                    {
-                        if (name == null)
-                        {
-                            // thank you ASP.NET
-                            continue;
-                        }
-
-                        map[name] = formData[name];
-                    }
+                    map[pair.Key] = pair.Value;
                 }
             }
 
diff --git a/Emby.Server.Implementations/Services/ServicePath.cs b/Emby.Server.Implementations/Services/ServicePath.cs
index ccb28e8df..0b67669b9 100644
--- a/Emby.Server.Implementations/Services/ServicePath.cs
+++ b/Emby.Server.Implementations/Services/ServicePath.cs
@@ -4,6 +4,7 @@ using System.IO;
 using System.Linq;
 using System.Reflection;
 using System.Text;
+using System.Text.Json.Serialization;
 
 namespace Emby.Server.Implementations.Services
 {
@@ -28,6 +29,13 @@ namespace Emby.Server.Implementations.Services
         private readonly bool[] isWildcard;
         private readonly int wildcardCount = 0;
 
+        internal static string[] IgnoreAttributesNamed = new[]
+        {
+            nameof(JsonIgnoreAttribute)
+        };
+
+        private static Type _excludeType = typeof(Stream);
+
         public int VariableArgsCount { get; set; }
 
         /// <summary>
@@ -190,21 +198,12 @@ namespace Emby.Server.Implementations.Services
                     StringComparer.OrdinalIgnoreCase);
         }
 
-        internal static string[] IgnoreAttributesNamed = new[]
-        {
-            "IgnoreDataMemberAttribute",
-            "JsonIgnoreAttribute"
-        };
-
-
-        private static Type excludeType = typeof(Stream);
-
         internal static IEnumerable<PropertyInfo> GetSerializableProperties(Type type)
         {
             foreach (var prop in GetPublicProperties(type))
             {
                 if (prop.GetMethod == null
-                    || excludeType == prop.PropertyType)
+                    || _excludeType == prop.PropertyType)
                 {
                     continue;
                 }
diff --git a/Emby.Server.Implementations/Services/StringMapTypeDeserializer.cs b/Emby.Server.Implementations/Services/StringMapTypeDeserializer.cs
index c27eb7686..23e22afd5 100644
--- a/Emby.Server.Implementations/Services/StringMapTypeDeserializer.cs
+++ b/Emby.Server.Implementations/Services/StringMapTypeDeserializer.cs
@@ -15,7 +15,7 @@ namespace Emby.Server.Implementations.Services
             {
                 PropertySetFn = propertySetFn;
                 PropertyParseStringFn = propertyParseStringFn;
-                PropertyType = PropertyType;
+                PropertyType = propertyType;
             }
 
             public Action<object, object> PropertySetFn { get; private set; }
diff --git a/Emby.Server.Implementations/Services/UrlExtensions.cs b/Emby.Server.Implementations/Services/UrlExtensions.cs
index 8899fbfa3..5d4407f3b 100644
--- a/Emby.Server.Implementations/Services/UrlExtensions.cs
+++ b/Emby.Server.Implementations/Services/UrlExtensions.cs
@@ -12,10 +12,10 @@ namespace Emby.Server.Implementations.Services
     {
         public static string GetMethodName(this Type type)
         {
-            var typeName = type.FullName != null //can be null, e.g. generic types
-                ? LeftPart(type.FullName, "[[")   //Generic Fullname
-                    .Replace(type.Namespace + ".", "") //Trim Namespaces
-                    .Replace("+", ".") //Convert nested into normal type
+            var typeName = type.FullName != null // can be null, e.g. generic types
+                ? LeftPart(type.FullName, "[[")   // Generic Fullname
+                    .Replace(type.Namespace + ".", string.Empty) // Trim Namespaces
+                    .Replace("+", ".") // Convert nested into normal type
                 : type.Name;
 
             return type.IsGenericParameter ? "'" + typeName : typeName;
@@ -23,7 +23,11 @@ namespace Emby.Server.Implementations.Services
 
         private static string LeftPart(string strVal, string needle)
         {
-            if (strVal == null) return null;
+            if (strVal == null)
+            {
+                return null;
+            }
+
             var pos = strVal.IndexOf(needle, StringComparison.OrdinalIgnoreCase);
             return pos == -1
                 ? strVal
diff --git a/Emby.Server.Implementations/Session/HttpSessionController.cs b/Emby.Server.Implementations/Session/HttpSessionController.cs
index 9281f82b3..1104a7a85 100644
--- a/Emby.Server.Implementations/Session/HttpSessionController.cs
+++ b/Emby.Server.Implementations/Session/HttpSessionController.cs
@@ -62,7 +62,7 @@ namespace Emby.Server.Implementations.Session
         {
             var dict = new Dictionary<string, string>();
 
-            dict["ItemIds"] = string.Join(",", command.ItemIds.Select(i => i.ToString("N")).ToArray());
+            dict["ItemIds"] = string.Join(",", command.ItemIds.Select(i => i.ToString("N", CultureInfo.InvariantCulture)).ToArray());
 
             if (command.StartPositionTicks.HasValue)
             {
diff --git a/Emby.Server.Implementations/Session/SessionManager.cs b/Emby.Server.Implementations/Session/SessionManager.cs
index 53ed5fc22..61329160a 100644
--- a/Emby.Server.Implementations/Session/SessionManager.cs
+++ b/Emby.Server.Implementations/Session/SessionManager.cs
@@ -327,7 +327,7 @@ namespace Emby.Server.Implementations.Session
         {
             if (string.IsNullOrEmpty(info.MediaSourceId))
             {
-                info.MediaSourceId = info.ItemId.ToString("N");
+                info.MediaSourceId = info.ItemId.ToString("N", CultureInfo.InvariantCulture);
             }
 
             if (!info.ItemId.Equals(Guid.Empty) && info.Item == null && libraryItem != null)
@@ -463,7 +463,7 @@ namespace Emby.Server.Implementations.Session
                 Client = appName,
                 DeviceId = deviceId,
                 ApplicationVersion = appVersion,
-                Id = key.GetMD5().ToString("N"),
+                Id = key.GetMD5().ToString("N", CultureInfo.InvariantCulture),
                 ServerId = _appHost.SystemId
             };
 
@@ -845,7 +845,7 @@ namespace Emby.Server.Implementations.Session
             // Normalize
             if (string.IsNullOrEmpty(info.MediaSourceId))
             {
-                info.MediaSourceId = info.ItemId.ToString("N");
+                info.MediaSourceId = info.ItemId.ToString("N", CultureInfo.InvariantCulture);
             }
 
             if (!info.ItemId.Equals(Guid.Empty) && info.Item == null && libraryItem != null)
@@ -1029,7 +1029,7 @@ namespace Emby.Server.Implementations.Session
         private static async Task SendMessageToSession<T>(SessionInfo session, string name, T data, CancellationToken cancellationToken)
         {
             var controllers = session.SessionControllers.ToArray();
-            var messageId = Guid.NewGuid().ToString("N");
+            var messageId = Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture);
 
             foreach (var controller in controllers)
             {
@@ -1041,7 +1041,7 @@ namespace Emby.Server.Implementations.Session
         {
             IEnumerable<Task> GetTasks()
             {
-                var messageId = Guid.NewGuid().ToString("N");
+                var messageId = Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture);
                 foreach (var session in sessions)
                 {
                     var controllers = session.SessionControllers;
@@ -1234,7 +1234,7 @@ namespace Emby.Server.Implementations.Session
                 AssertCanControl(session, controllingSession);
                 if (!controllingSession.UserId.Equals(Guid.Empty))
                 {
-                    command.ControllingUserId = controllingSession.UserId.ToString("N");
+                    command.ControllingUserId = controllingSession.UserId.ToString("N", CultureInfo.InvariantCulture);
                 }
             }
 
@@ -1375,16 +1375,14 @@ namespace Emby.Server.Implementations.Session
             CheckDisposed();
 
             User user = null;
-            if (!request.UserId.Equals(Guid.Empty))
+            if (request.UserId != Guid.Empty)
             {
-                user = _userManager.Users
-                    .FirstOrDefault(i => i.Id == request.UserId);
+                user = _userManager.GetUserById(request.UserId);
             }
 
             if (user == null)
             {
-                user = _userManager.Users
-                    .FirstOrDefault(i => string.Equals(request.Username, i.Name, StringComparison.OrdinalIgnoreCase));
+                user = _userManager.GetUserByName(request.Username);
             }
 
             if (user != null)
@@ -1484,7 +1482,7 @@ namespace Emby.Server.Implementations.Session
                 DeviceId = deviceId,
                 DeviceName = deviceName,
                 UserId = user.Id,
-                AccessToken = Guid.NewGuid().ToString("N"),
+                AccessToken = Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture),
                 UserName = user.Name
             };
 
@@ -1822,6 +1820,7 @@ namespace Emby.Server.Implementations.Session
             CheckDisposed();
 
             var sessions = Sessions.Where(i => string.Equals(i.DeviceId, deviceId, StringComparison.OrdinalIgnoreCase));
+
             return SendMessageToSessions(sessions, name, data, cancellationToken);
         }
 
@@ -1831,6 +1830,7 @@ namespace Emby.Server.Implementations.Session
 
             var sessions = Sessions
                 .Where(i => string.Equals(i.DeviceId, deviceId, StringComparison.OrdinalIgnoreCase) || IsAdminSession(i));
+
             return SendMessageToSessions(sessions, name, data, cancellationToken);
         }
 
diff --git a/Emby.Server.Implementations/SocketSharp/RequestMono.cs b/Emby.Server.Implementations/SocketSharp/RequestMono.cs
deleted file mode 100644
index ec637186f..000000000
--- a/Emby.Server.Implementations/SocketSharp/RequestMono.cs
+++ /dev/null
@@ -1,647 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Globalization;
-using System.IO;
-using System.Net;
-using System.Text;
-using System.Threading.Tasks;
-using MediaBrowser.Model.Services;
-using Microsoft.Extensions.Primitives;
-using Microsoft.Net.Http.Headers;
-
-namespace Emby.Server.Implementations.SocketSharp
-{
-    public partial class WebSocketSharpRequest : IHttpRequest
-    {
-        internal static string GetParameter(ReadOnlySpan<char> header, string attr)
-        {
-            int ap = header.IndexOf(attr.AsSpan(), StringComparison.Ordinal);
-            if (ap == -1)
-            {
-                return null;
-            }
-
-            ap += attr.Length;
-            if (ap >= header.Length)
-            {
-                return null;
-            }
-
-            char ending = header[ap];
-            if (ending != '"')
-            {
-                ending = ' ';
-            }
-
-            var slice = header.Slice(ap + 1);
-            int end = slice.IndexOf(ending);
-            if (end == -1)
-            {
-                return ending == '"' ? null : header.Slice(ap).ToString();
-            }
-
-            return slice.Slice(0, end - ap - 1).ToString();
-        }
-
-        private async Task LoadMultiPart(WebROCollection form)
-        {
-            string boundary = GetParameter(ContentType.AsSpan(), "; boundary=");
-            if (boundary == null)
-            {
-                return;
-            }
-
-            using (var requestStream = InputStream)
-            {
-                // DB: 30/01/11 - Hack to get around non-seekable stream and received HTTP request
-                // Not ending with \r\n?
-                var ms = new MemoryStream(32 * 1024);
-                await requestStream.CopyToAsync(ms).ConfigureAwait(false);
-
-                var input = ms;
-                ms.WriteByte((byte)'\r');
-                ms.WriteByte((byte)'\n');
-
-                input.Position = 0;
-
-                // Uncomment to debug
-                // var content = new StreamReader(ms).ReadToEnd();
-                // Console.WriteLine(boundary + "::" + content);
-                // input.Position = 0;
-
-                var multi_part = new HttpMultipart(input, boundary, ContentEncoding);
-
-                HttpMultipart.Element e;
-                while ((e = multi_part.ReadNextElement()) != null)
-                {
-                    if (e.Filename == null)
-                    {
-                        byte[] copy = new byte[e.Length];
-
-                        input.Position = e.Start;
-                        await input.ReadAsync(copy, 0, (int)e.Length).ConfigureAwait(false);
-
-                        form.Add(e.Name, (e.Encoding ?? ContentEncoding).GetString(copy, 0, copy.Length));
-                    }
-                    else
-                    {
-                        // We use a substream, as in 2.x we will support large uploads streamed to disk,
-                        files[e.Name] = new HttpPostedFile(e.Filename, e.ContentType, input, e.Start, e.Length);
-                    }
-                }
-            }
-        }
-
-        public async Task<QueryParamCollection> GetFormData()
-        {
-            var form = new WebROCollection();
-            files = new Dictionary<string, HttpPostedFile>();
-
-            if (IsContentType("multipart/form-data"))
-            {
-                await LoadMultiPart(form).ConfigureAwait(false);
-            }
-            else if (IsContentType("application/x-www-form-urlencoded"))
-            {
-                await LoadWwwForm(form).ConfigureAwait(false);
-            }
-
-            if (validate_form && !checked_form)
-            {
-                checked_form = true;
-                ValidateNameValueCollection("Form", form);
-            }
-
-            return form;
-        }
-
-        public string Accept => StringValues.IsNullOrEmpty(request.Headers[HeaderNames.Accept]) ? null : request.Headers[HeaderNames.Accept].ToString();
-
-        public string Authorization => StringValues.IsNullOrEmpty(request.Headers[HeaderNames.Authorization]) ? null : request.Headers[HeaderNames.Authorization].ToString();
-
-        protected bool validate_form { get; set; }
-        protected bool checked_form { get; set; }
-
-        private static void ThrowValidationException(string name, string key, string value)
-        {
-            string v = "\"" + value + "\"";
-            if (v.Length > 20)
-            {
-                v = v.Substring(0, 16) + "...\"";
-            }
-
-            string msg = string.Format(
-                CultureInfo.InvariantCulture,
-                "A potentially dangerous Request.{0} value was detected from the client ({1}={2}).",
-                name,
-                key,
-                v);
-
-            throw new Exception(msg);
-        }
-
-        private static void ValidateNameValueCollection(string name, QueryParamCollection coll)
-        {
-            if (coll == null)
-            {
-                return;
-            }
-
-            foreach (var pair in coll)
-            {
-                var key = pair.Name;
-                var val = pair.Value;
-                if (val != null && val.Length > 0 && IsInvalidString(val))
-                {
-                    ThrowValidationException(name, key, val);
-                }
-            }
-        }
-
-        internal static bool IsInvalidString(string val)
-            => IsInvalidString(val, out var validationFailureIndex);
-
-        internal static bool IsInvalidString(string val, out int validationFailureIndex)
-        {
-            validationFailureIndex = 0;
-
-            int len = val.Length;
-            if (len < 2)
-            {
-                return false;
-            }
-
-            char current = val[0];
-            for (int idx = 1; idx < len; idx++)
-            {
-                char next = val[idx];
-
-                // See http://secunia.com/advisories/14325
-                if (current == '<' || current == '\xff1c')
-                {
-                    if (next == '!' || next < ' '
-                        || (next >= 'a' && next <= 'z')
-                        || (next >= 'A' && next <= 'Z'))
-                    {
-                        validationFailureIndex = idx - 1;
-                        return true;
-                    }
-                }
-                else if (current == '&' && next == '#')
-                {
-                    validationFailureIndex = idx - 1;
-                    return true;
-                }
-
-                current = next;
-            }
-
-            return false;
-        }
-
-        private bool IsContentType(string ct)
-        {
-            if (ContentType == null)
-            {
-                return false;
-            }
-
-            return ContentType.StartsWith(ct, StringComparison.OrdinalIgnoreCase);
-        }
-
-        private async Task LoadWwwForm(WebROCollection form)
-        {
-            using (var input = InputStream)
-            {
-                using (var ms = new MemoryStream())
-                {
-                    await input.CopyToAsync(ms).ConfigureAwait(false);
-                    ms.Position = 0;
-
-                    using (var s = new StreamReader(ms, ContentEncoding))
-                    {
-                        var key = new StringBuilder();
-                        var value = new StringBuilder();
-                        int c;
-
-                        while ((c = s.Read()) != -1)
-                        {
-                            if (c == '=')
-                            {
-                                value.Length = 0;
-                                while ((c = s.Read()) != -1)
-                                {
-                                    if (c == '&')
-                                    {
-                                        AddRawKeyValue(form, key, value);
-                                        break;
-                                    }
-                                    else
-                                    {
-                                        value.Append((char)c);
-                                    }
-                                }
-
-                                if (c == -1)
-                                {
-                                    AddRawKeyValue(form, key, value);
-                                    return;
-                                }
-                            }
-                            else if (c == '&')
-                            {
-                                AddRawKeyValue(form, key, value);
-                            }
-                            else
-                            {
-                                key.Append((char)c);
-                            }
-                        }
-
-                        if (c == -1)
-                        {
-                            AddRawKeyValue(form, key, value);
-                        }
-                    }
-                }
-            }
-        }
-
-        private static void AddRawKeyValue(WebROCollection form, StringBuilder key, StringBuilder value)
-        {
-            form.Add(WebUtility.UrlDecode(key.ToString()), WebUtility.UrlDecode(value.ToString()));
-
-            key.Length = 0;
-            value.Length = 0;
-        }
-
-        private Dictionary<string, HttpPostedFile> files;
-
-        private class WebROCollection : QueryParamCollection
-        {
-            public override string ToString()
-            {
-                var result = new StringBuilder();
-                foreach (var pair in this)
-                {
-                    if (result.Length > 0)
-                    {
-                        result.Append('&');
-                    }
-
-                    var key = pair.Name;
-                    if (key != null && key.Length > 0)
-                    {
-                        result.Append(key);
-                        result.Append('=');
-                    }
-
-                    result.Append(pair.Value);
-                }
-
-                return result.ToString();
-            }
-        }
-        private class HttpMultipart
-        {
-
-            public class Element
-            {
-                public string ContentType { get; set; }
-
-                public string Name { get; set; }
-
-                public string Filename { get; set; }
-
-                public Encoding Encoding { get; set; }
-
-                public long Start { get; set; }
-
-                public long Length { get; set; }
-
-                public override string ToString()
-                {
-                    return "ContentType " + ContentType + ", Name " + Name + ", Filename " + Filename + ", Start " +
-                        Start.ToString(CultureInfo.CurrentCulture) + ", Length " + Length.ToString(CultureInfo.CurrentCulture);
-                }
-            }
-
-            private const byte LF = (byte)'\n';
-
-            private const byte CR = (byte)'\r';
-
-            private Stream data;
-
-            private string boundary;
-
-            private byte[] boundaryBytes;
-
-            private byte[] buffer;
-
-            private bool atEof;
-
-            private Encoding encoding;
-
-            private StringBuilder sb;
-
-            // See RFC 2046
-            // In the case of multipart entities, in which one or more different
-            // sets of data are combined in a single body, a "multipart" media type
-            // field must appear in the entity's header.  The body must then contain
-            // one or more body parts, each preceded by a boundary delimiter line,
-            // and the last one followed by a closing boundary delimiter line.
-            // After its boundary delimiter line, each body part then consists of a
-            // header area, a blank line, and a body area.  Thus a body part is
-            // similar to an RFC 822 message in syntax, but different in meaning.
-
-            public HttpMultipart(Stream data, string b, Encoding encoding)
-            {
-                this.data = data;
-                boundary = b;
-                boundaryBytes = encoding.GetBytes(b);
-                buffer = new byte[boundaryBytes.Length + 2]; // CRLF or '--'
-                this.encoding = encoding;
-                sb = new StringBuilder();
-            }
-
-            public Element ReadNextElement()
-            {
-                if (atEof || ReadBoundary())
-                {
-                    return null;
-                }
-
-                var elem = new Element();
-                ReadOnlySpan<char> header;
-                while ((header = ReadLine().AsSpan()).Length != 0)
-                {
-                    if (header.StartsWith("Content-Disposition:".AsSpan(), StringComparison.OrdinalIgnoreCase))
-                    {
-                        elem.Name = GetContentDispositionAttribute(header, "name");
-                        elem.Filename = StripPath(GetContentDispositionAttributeWithEncoding(header, "filename"));
-                    }
-                    else if (header.StartsWith("Content-Type:".AsSpan(), StringComparison.OrdinalIgnoreCase))
-                    {
-                        elem.ContentType = header.Slice("Content-Type:".Length).Trim().ToString();
-                        elem.Encoding = GetEncoding(elem.ContentType);
-                    }
-                }
-
-                long start = data.Position;
-                elem.Start = start;
-                long pos = MoveToNextBoundary();
-                if (pos == -1)
-                {
-                    return null;
-                }
-
-                elem.Length = pos - start;
-                return elem;
-            }
-
-            private string ReadLine()
-            {
-                // CRLF or LF are ok as line endings.
-                bool got_cr = false;
-                int b = 0;
-                sb.Length = 0;
-                while (true)
-                {
-                    b = data.ReadByte();
-                    if (b == -1)
-                    {
-                        return null;
-                    }
-
-                    if (b == LF)
-                    {
-                        break;
-                    }
-
-                    got_cr = b == CR;
-                    sb.Append((char)b);
-                }
-
-                if (got_cr)
-                {
-                    sb.Length--;
-                }
-
-                return sb.ToString();
-            }
-
-            private static string GetContentDispositionAttribute(ReadOnlySpan<char> l, string name)
-            {
-                int idx = l.IndexOf((name + "=\"").AsSpan(), StringComparison.Ordinal);
-                if (idx < 0)
-                {
-                    return null;
-                }
-
-                int begin = idx + name.Length + "=\"".Length;
-                int end = l.Slice(begin).IndexOf('"');
-                if (end < 0)
-                {
-                    return null;
-                }
-
-                if (begin == end)
-                {
-                    return string.Empty;
-                }
-
-                return l.Slice(begin, end - begin).ToString();
-            }
-
-            private string GetContentDispositionAttributeWithEncoding(ReadOnlySpan<char> l, string name)
-            {
-                int idx = l.IndexOf((name + "=\"").AsSpan(), StringComparison.Ordinal);
-                if (idx < 0)
-                {
-                    return null;
-                }
-
-                int begin = idx + name.Length + "=\"".Length;
-                int end = l.Slice(begin).IndexOf('"');
-                if (end < 0)
-                {
-                    return null;
-                }
-
-                if (begin == end)
-                {
-                    return string.Empty;
-                }
-
-                ReadOnlySpan<char> temp = l.Slice(begin, end - begin);
-                byte[] source = new byte[temp.Length];
-                for (int i = temp.Length - 1; i >= 0; i--)
-                {
-                    source[i] = (byte)temp[i];
-                }
-
-                return encoding.GetString(source, 0, source.Length);
-            }
-
-            private bool ReadBoundary()
-            {
-                try
-                {
-                    string line;
-                    do
-                    {
-                        line = ReadLine();
-                    }
-                    while (line.Length == 0);
-
-                    if (line[0] != '-' || line[1] != '-')
-                    {
-                        return false;
-                    }
-
-                    if (!line.EndsWith(boundary, StringComparison.Ordinal))
-                    {
-                        return true;
-                    }
-                }
-                catch
-                {
-
-                }
-
-                return false;
-            }
-
-            private static bool CompareBytes(byte[] orig, byte[] other)
-            {
-                for (int i = orig.Length - 1; i >= 0; i--)
-                {
-                    if (orig[i] != other[i])
-                    {
-                        return false;
-                    }
-                }
-
-                return true;
-            }
-
-            private long MoveToNextBoundary()
-            {
-                long retval = 0;
-                bool got_cr = false;
-
-                int state = 0;
-                int c = data.ReadByte();
-                while (true)
-                {
-                    if (c == -1)
-                    {
-                        return -1;
-                    }
-
-                    if (state == 0 && c == LF)
-                    {
-                        retval = data.Position - 1;
-                        if (got_cr)
-                        {
-                            retval--;
-                        }
-
-                        state = 1;
-                        c = data.ReadByte();
-                    }
-                    else if (state == 0)
-                    {
-                        got_cr = c == CR;
-                        c = data.ReadByte();
-                    }
-                    else if (state == 1 && c == '-')
-                    {
-                        c = data.ReadByte();
-                        if (c == -1)
-                        {
-                            return -1;
-                        }
-
-                        if (c != '-')
-                        {
-                            state = 0;
-                            got_cr = false;
-                            continue; // no ReadByte() here
-                        }
-
-                        int nread = data.Read(buffer, 0, buffer.Length);
-                        int bl = buffer.Length;
-                        if (nread != bl)
-                        {
-                            return -1;
-                        }
-
-                        if (!CompareBytes(boundaryBytes, buffer))
-                        {
-                            state = 0;
-                            data.Position = retval + 2;
-                            if (got_cr)
-                            {
-                                data.Position++;
-                                got_cr = false;
-                            }
-
-                            c = data.ReadByte();
-                            continue;
-                        }
-
-                        if (buffer[bl - 2] == '-' && buffer[bl - 1] == '-')
-                        {
-                            atEof = true;
-                        }
-                        else if (buffer[bl - 2] != CR || buffer[bl - 1] != LF)
-                        {
-                            state = 0;
-                            data.Position = retval + 2;
-                            if (got_cr)
-                            {
-                                data.Position++;
-                                got_cr = false;
-                            }
-
-                            c = data.ReadByte();
-                            continue;
-                        }
-
-                        data.Position = retval + 2;
-                        if (got_cr)
-                        {
-                            data.Position++;
-                        }
-
-                        break;
-                    }
-                    else
-                    {
-                        // state == 1
-                        state = 0; // no ReadByte() here
-                    }
-                }
-
-                return retval;
-            }
-
-            private static string StripPath(string path)
-            {
-                if (path == null || path.Length == 0)
-                {
-                    return path;
-                }
-
-                if (path.IndexOf(":\\", StringComparison.Ordinal) != 1
-                    && !path.StartsWith("\\\\", StringComparison.Ordinal))
-                {
-                    return path;
-                }
-
-                return path.Substring(path.LastIndexOf('\\') + 1);
-            }
-        }
-    }
-}
diff --git a/Emby.Server.Implementations/SocketSharp/WebSocketSharpListener.cs b/Emby.Server.Implementations/SocketSharp/WebSocketSharpListener.cs
index dd313b336..e93bff124 100644
--- a/Emby.Server.Implementations/SocketSharp/WebSocketSharpListener.cs
+++ b/Emby.Server.Implementations/SocketSharp/WebSocketSharpListener.cs
@@ -117,7 +117,7 @@ namespace Emby.Server.Implementations.SocketSharp
         /// <summary>
         /// Releases the unmanaged resources and disposes of the managed resources used.
         /// </summary>
-        /// <param name="disposing">Whether or not the managed resources should be disposed</param>
+        /// <param name="disposing">Whether or not the managed resources should be disposed.</param>
         protected virtual void Dispose(bool disposing)
         {
             if (_disposed)
diff --git a/Emby.Server.Implementations/SocketSharp/WebSocketSharpRequest.cs b/Emby.Server.Implementations/SocketSharp/WebSocketSharpRequest.cs
index 7a630bf10..332ce3903 100644
--- a/Emby.Server.Implementations/SocketSharp/WebSocketSharpRequest.cs
+++ b/Emby.Server.Implementations/SocketSharp/WebSocketSharpRequest.cs
@@ -1,57 +1,56 @@
 using System;
 using System.Collections.Generic;
-using System.Globalization;
 using System.IO;
 using System.Net;
 using System.Linq;
-using System.Text;
 using MediaBrowser.Common.Net;
-using MediaBrowser.Model.Services;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Http.Extensions;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Primitives;
 using Microsoft.Net.Http.Headers;
-using IHttpFile = MediaBrowser.Model.Services.IHttpFile;
 using IHttpRequest = MediaBrowser.Model.Services.IHttpRequest;
-using IResponse = MediaBrowser.Model.Services.IResponse;
 
 namespace Emby.Server.Implementations.SocketSharp
 {
     public partial class WebSocketSharpRequest : IHttpRequest
     {
-        private readonly HttpRequest request;
+        public const string FormUrlEncoded = "application/x-www-form-urlencoded";
+        public const string MultiPartFormData = "multipart/form-data";
+        public const string Soap11 = "text/xml; charset=utf-8";
 
-        public WebSocketSharpRequest(HttpRequest httpContext, HttpResponse response, string operationName, ILogger logger)
+        private string _remoteIp;
+        private Dictionary<string, object> _items;
+        private string _responseContentType;
+
+        public WebSocketSharpRequest(HttpRequest httpRequest, HttpResponse httpResponse, string operationName, ILogger logger)
         {
             this.OperationName = operationName;
-            this.request = httpContext;
-            this.Response = new WebSocketSharpResponse(logger, response);
+            this.Request = httpRequest;
+            this.Response = httpResponse;
         }
 
-        public HttpRequest HttpRequest => request;
+        public string Accept => StringValues.IsNullOrEmpty(Request.Headers[HeaderNames.Accept]) ? null : Request.Headers[HeaderNames.Accept].ToString();
 
-        public IResponse Response { get; }
+        public string Authorization => StringValues.IsNullOrEmpty(Request.Headers[HeaderNames.Authorization]) ? null : Request.Headers[HeaderNames.Authorization].ToString();
 
-        public string OperationName { get; set; }
+        public HttpRequest Request { get; }
 
-        public object Dto { get; set; }
+        public HttpResponse Response { get; }
 
-        public string RawUrl => request.GetEncodedPathAndQuery();
+        public string OperationName { get; set; }
 
-        public string AbsoluteUri => request.GetDisplayUrl().TrimEnd('/');
-        // Header[name] returns "" when undefined
+        public string RawUrl => Request.GetEncodedPathAndQuery();
 
-        private string GetHeader(string name) => request.Headers[name].ToString();
+        public string AbsoluteUri => Request.GetDisplayUrl().TrimEnd('/');
 
-        private string remoteIp;
         public string RemoteIp
         {
             get
             {
-                if (remoteIp != null)
+                if (_remoteIp != null)
                 {
-                    return remoteIp;
+                    return _remoteIp;
                 }
 
                 IPAddress ip;
@@ -62,14 +61,51 @@ namespace Emby.Server.Implementations.SocketSharp
                 {
                     if (!IPAddress.TryParse(GetHeader(CustomHeaderNames.XRealIP), out ip))
                     {
-                        ip = request.HttpContext.Connection.RemoteIpAddress;
+                        ip = Request.HttpContext.Connection.RemoteIpAddress;
                     }
                 }
 
-                return remoteIp = NormalizeIp(ip).ToString();
+                return _remoteIp = NormalizeIp(ip).ToString();
             }
         }
 
+        public string[] AcceptTypes => Request.Headers.GetCommaSeparatedValues(HeaderNames.Accept);
+
+        public Dictionary<string, object> Items => _items ?? (_items = new Dictionary<string, object>());
+
+        public string ResponseContentType
+        {
+            get =>
+                _responseContentType
+                ?? (_responseContentType = GetResponseContentType(Request));
+            set => this._responseContentType = value;
+        }
+
+        public string PathInfo => Request.Path.Value;
+
+        public string UserAgent => Request.Headers[HeaderNames.UserAgent];
+
+        public IHeaderDictionary Headers => Request.Headers;
+
+        public IQueryCollection QueryString => Request.Query;
+
+        public bool IsLocal => Request.HttpContext.Connection.LocalIpAddress.Equals(Request.HttpContext.Connection.RemoteIpAddress);
+
+
+        public string HttpMethod => Request.Method;
+
+        public string Verb => HttpMethod;
+
+        public string ContentType => Request.ContentType;
+
+        public Uri UrlReferrer => Request.GetTypedHeaders().Referer;
+
+        public Stream InputStream => Request.Body;
+
+        public long ContentLength => Request.ContentLength ?? 0;
+
+        private string GetHeader(string name) => Request.Headers[name].ToString();
+
         private static IPAddress NormalizeIp(IPAddress ip)
         {
             if (ip.IsIPv4MappedToIPv6)
@@ -80,22 +116,6 @@ namespace Emby.Server.Implementations.SocketSharp
             return ip;
         }
 
-        public string[] AcceptTypes => request.Headers.GetCommaSeparatedValues(HeaderNames.Accept);
-
-        private Dictionary<string, object> items;
-        public Dictionary<string, object> Items => items ?? (items = new Dictionary<string, object>());
-
-        private string responseContentType;
-        public string ResponseContentType
-        {
-            get =>
-                responseContentType
-                ?? (responseContentType = GetResponseContentType(HttpRequest));
-            set => this.responseContentType = value;
-        }
-
-        public const string FormUrlEncoded = "application/x-www-form-urlencoded";
-        public const string MultiPartFormData = "multipart/form-data";
         public static string GetResponseContentType(HttpRequest httpReq)
         {
             var specifiedContentType = GetQueryStringContentType(httpReq);
@@ -152,8 +172,6 @@ namespace Emby.Server.Implementations.SocketSharp
             return serverDefaultContentType;
         }
 
-        public const string Soap11 = "text/xml; charset=utf-8";
-
         public static bool HasAnyOfContentTypes(HttpRequest request, params string[] contentTypes)
         {
             if (contentTypes == null || request.ContentType == null)
@@ -224,105 +242,5 @@ namespace Emby.Server.Implementations.SocketSharp
             var pos = strVal.IndexOf(needle);
             return pos == -1 ? strVal : strVal.Slice(0, pos);
         }
-
-        public string PathInfo => this.request.Path.Value;
-
-        public string UserAgent => request.Headers[HeaderNames.UserAgent];
-
-        public IHeaderDictionary Headers => request.Headers;
-
-        public IQueryCollection QueryString => request.Query;
-
-        public bool IsLocal => string.Equals(request.HttpContext.Connection.LocalIpAddress.ToString(), request.HttpContext.Connection.RemoteIpAddress.ToString());
-
-        private string httpMethod;
-        public string HttpMethod =>
-            httpMethod
-            ?? (httpMethod = request.Method);
-
-        public string Verb => HttpMethod;
-
-        public string ContentType => request.ContentType;
-
-        private Encoding ContentEncoding
-        {
-            get
-            {
-                // TODO is this necessary?
-                if (UserAgent != null && CultureInfo.InvariantCulture.CompareInfo.IsPrefix(UserAgent, "UP"))
-                {
-                    string postDataCharset = Headers["x-up-devcap-post-charset"];
-                    if (!string.IsNullOrEmpty(postDataCharset))
-                    {
-                        try
-                        {
-                            return Encoding.GetEncoding(postDataCharset);
-                        }
-                        catch (ArgumentException)
-                        {
-                        }
-                    }
-                }
-
-                return request.GetTypedHeaders().ContentType.Encoding ?? Encoding.UTF8;
-            }
-        }
-
-        public Uri UrlReferrer => request.GetTypedHeaders().Referer;
-
-        public static Encoding GetEncoding(string contentTypeHeader)
-        {
-            var param = GetParameter(contentTypeHeader.AsSpan(), "charset=");
-            if (param == null)
-            {
-                return null;
-            }
-
-            try
-            {
-                return Encoding.GetEncoding(param);
-            }
-            catch (ArgumentException)
-            {
-                return null;
-            }
-        }
-
-        public Stream InputStream => request.Body;
-
-        public long ContentLength => request.ContentLength ?? 0;
-
-        private IHttpFile[] httpFiles;
-        public IHttpFile[] Files
-        {
-            get
-            {
-                if (httpFiles != null)
-                {
-                    return httpFiles;
-                }
-
-                if (files == null)
-                {
-                    return httpFiles = Array.Empty<IHttpFile>();
-                }
-
-                var values = files.Values;
-                httpFiles = new IHttpFile[values.Count];
-                for (int i = 0; i < values.Count; i++)
-                {
-                    var reqFile = values.ElementAt(i);
-                    httpFiles[i] = new HttpFile
-                    {
-                        ContentType = reqFile.ContentType,
-                        ContentLength = reqFile.ContentLength,
-                        FileName = reqFile.FileName,
-                        InputStream = reqFile.InputStream,
-                    };
-                }
-
-                return httpFiles;
-            }
-        }
     }
 }
diff --git a/Emby.Server.Implementations/SocketSharp/WebSocketSharpResponse.cs b/Emby.Server.Implementations/SocketSharp/WebSocketSharpResponse.cs
deleted file mode 100644
index 0f67eaa62..000000000
--- a/Emby.Server.Implementations/SocketSharp/WebSocketSharpResponse.cs
+++ /dev/null
@@ -1,98 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Runtime.InteropServices;
-using System.Threading;
-using System.Threading.Tasks;
-using MediaBrowser.Model.IO;
-using MediaBrowser.Model.Services;
-using Microsoft.AspNetCore.Http;
-using Microsoft.Extensions.Logging;
-using IRequest = MediaBrowser.Model.Services.IRequest;
-
-namespace Emby.Server.Implementations.SocketSharp
-{
-    public class WebSocketSharpResponse : IResponse
-    {
-        private readonly ILogger _logger;
-
-        public WebSocketSharpResponse(ILogger logger, HttpResponse response)
-        {
-            _logger = logger;
-            OriginalResponse = response;
-        }
-
-        public HttpResponse OriginalResponse { get; }
-
-        public int StatusCode
-        {
-            get => OriginalResponse.StatusCode;
-            set => OriginalResponse.StatusCode = value;
-        }
-
-        public string StatusDescription { get; set; }
-
-        public string ContentType
-        {
-            get => OriginalResponse.ContentType;
-            set => OriginalResponse.ContentType = value;
-        }
-
-        public void AddHeader(string name, string value)
-        {
-            if (string.Equals(name, "Content-Type", StringComparison.OrdinalIgnoreCase))
-            {
-                ContentType = value;
-                return;
-            }
-
-            OriginalResponse.Headers.Add(name, value);
-        }
-
-        public void Redirect(string url)
-        {
-            OriginalResponse.Redirect(url);
-        }
-
-        public Stream OutputStream => OriginalResponse.Body;
-
-        public bool SendChunked { get; set; }
-
-        const int StreamCopyToBufferSize = 81920;
-        public async Task TransmitFile(string path, long offset, long count, FileShareMode fileShareMode, IFileSystem fileSystem, IStreamHelper streamHelper, CancellationToken cancellationToken)
-        {
-            var allowAsync = !RuntimeInformation.IsOSPlatform(OSPlatform.Windows);
-
-            //if (count <= 0)
-            //{
-            //    allowAsync = true;
-            //}
-
-            var fileOpenOptions = FileOpenOptions.SequentialScan;
-
-            if (allowAsync)
-            {
-                fileOpenOptions |= FileOpenOptions.Asynchronous;
-            }
-
-            // use non-async filestream along with read due to https://github.com/dotnet/corefx/issues/6039
-
-            using (var fs = fileSystem.GetFileStream(path, FileOpenMode.Open, FileAccessMode.Read, fileShareMode, fileOpenOptions))
-            {
-                if (offset > 0)
-                {
-                    fs.Position = offset;
-                }
-
-                if (count > 0)
-                {
-                    await streamHelper.CopyToAsync(fs, OutputStream, count, cancellationToken).ConfigureAwait(false);
-                }
-                else
-                {
-                    await fs.CopyToAsync(OutputStream, StreamCopyToBufferSize, cancellationToken).ConfigureAwait(false);
-                }
-            }
-        }
-    }
-}
diff --git a/Emby.Server.Implementations/Sorting/ArtistComparer.cs b/Emby.Server.Implementations/Sorting/ArtistComparer.cs
index 9d5befc9a..756d3c5b6 100644
--- a/Emby.Server.Implementations/Sorting/ArtistComparer.cs
+++ b/Emby.Server.Implementations/Sorting/ArtistComparer.cs
@@ -7,16 +7,14 @@ using MediaBrowser.Model.Querying;
 namespace Emby.Server.Implementations.Sorting
 {
     /// <summary>
-    /// Class ArtistComparer
+    /// Class ArtistComparer.
     /// </summary>
     public class ArtistComparer : IBaseItemComparer
     {
-        /// <summary>
-        /// Compares the specified x.
-        /// </summary>
-        /// <param name="x">The x.</param>
-        /// <param name="y">The y.</param>
-        /// <returns>System.Int32.</returns>
+        /// <inheritdoc />
+        public string Name => ItemSortBy.Artist;
+
+        /// <inheritdoc />
         public int Compare(BaseItem x, BaseItem y)
         {
             return string.Compare(GetValue(x), GetValue(y), StringComparison.CurrentCultureIgnoreCase);
@@ -29,20 +27,12 @@ namespace Emby.Server.Implementations.Sorting
         /// <returns>System.String.</returns>
         private static string GetValue(BaseItem x)
         {
-            var audio = x as Audio;
-
-            if (audio == null)
+            if (!(x is Audio audio))
             {
                 return string.Empty;
             }
 
-            return audio.Artists.Length == 0 ? null : audio.Artists[0];
+            return audio.Artists.Count == 0 ? null : audio.Artists[0];
         }
-
-        /// <summary>
-        /// Gets the name.
-        /// </summary>
-        /// <value>The name.</value>
-        public string Name => ItemSortBy.Artist;
     }
 }
diff --git a/Emby.Server.Implementations/TV/TVSeriesManager.cs b/Emby.Server.Implementations/TV/TVSeriesManager.cs
index 630ef4893..4c2f24e6f 100644
--- a/Emby.Server.Implementations/TV/TVSeriesManager.cs
+++ b/Emby.Server.Implementations/TV/TVSeriesManager.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Dto;
@@ -73,7 +74,7 @@ namespace Emby.Server.Implementations.TV
             {
                 parents = _libraryManager.GetUserRootFolder().GetChildren(user, true)
                    .Where(i => i is Folder)
-                   .Where(i => !user.Configuration.LatestItemsExcludes.Contains(i.Id.ToString("N")))
+                   .Where(i => !user.Configuration.LatestItemsExcludes.Contains(i.Id.ToString("N", CultureInfo.InvariantCulture)))
                    .ToArray();
             }
 
diff --git a/Emby.Server.Implementations/Updates/InstallationManager.cs b/Emby.Server.Implementations/Updates/InstallationManager.cs
index 6833c20c3..0c0c77cda 100644
--- a/Emby.Server.Implementations/Updates/InstallationManager.cs
+++ b/Emby.Server.Implementations/Updates/InstallationManager.cs
@@ -1,15 +1,17 @@
 using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
+using System.Net.Http;
+using System.Security.Cryptography;
 using System.Threading;
 using System.Threading.Tasks;
 using MediaBrowser.Common;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Common.Net;
 using MediaBrowser.Common.Plugins;
-using MediaBrowser.Common.Progress;
 using MediaBrowser.Common.Updates;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Model.Events;
@@ -17,6 +19,7 @@ using MediaBrowser.Model.IO;
 using MediaBrowser.Model.Serialization;
 using MediaBrowser.Model.Updates;
 using Microsoft.Extensions.Logging;
+using static MediaBrowser.Common.HexHelper;
 
 namespace Emby.Server.Implementations.Updates
 {
@@ -33,7 +36,7 @@ namespace Emby.Server.Implementations.Updates
         /// <summary>
         /// The current installations
         /// </summary>
-        public List<Tuple<InstallationInfo, CancellationTokenSource>> CurrentInstallations { get; set; }
+        private List<(InstallationInfo info, CancellationTokenSource token)> _currentInstallations { get; set; }
 
         /// <summary>
         /// The completed installations
@@ -48,48 +51,14 @@ namespace Emby.Server.Implementations.Updates
         public event EventHandler<GenericEventArgs<IPlugin>> PluginUninstalled;
 
         /// <summary>
-        /// Called when [plugin uninstalled].
-        /// </summary>
-        /// <param name="plugin">The plugin.</param>
-        private void OnPluginUninstalled(IPlugin plugin)
-        {
-            PluginUninstalled?.Invoke(this, new GenericEventArgs<IPlugin> { Argument = plugin });
-        }
-
-        /// <summary>
         /// Occurs when [plugin updated].
         /// </summary>
-        public event EventHandler<GenericEventArgs<Tuple<IPlugin, PackageVersionInfo>>> PluginUpdated;
-        /// <summary>
-        /// Called when [plugin updated].
-        /// </summary>
-        /// <param name="plugin">The plugin.</param>
-        /// <param name="newVersion">The new version.</param>
-        private void OnPluginUpdated(IPlugin plugin, PackageVersionInfo newVersion)
-        {
-            _logger.LogInformation("Plugin updated: {0} {1} {2}", newVersion.name, newVersion.versionStr ?? string.Empty, newVersion.classification);
-
-            PluginUpdated?.Invoke(this, new GenericEventArgs<Tuple<IPlugin, PackageVersionInfo>> { Argument = new Tuple<IPlugin, PackageVersionInfo>(plugin, newVersion) });
-
-            _applicationHost.NotifyPendingRestart();
-        }
+        public event EventHandler<GenericEventArgs<(IPlugin, PackageVersionInfo)>> PluginUpdated;
 
         /// <summary>
         /// Occurs when [plugin updated].
         /// </summary>
         public event EventHandler<GenericEventArgs<PackageVersionInfo>> PluginInstalled;
-        /// <summary>
-        /// Called when [plugin installed].
-        /// </summary>
-        /// <param name="package">The package.</param>
-        private void OnPluginInstalled(PackageVersionInfo package)
-        {
-            _logger.LogInformation("New plugin installed: {0} {1} {2}", package.name, package.versionStr ?? string.Empty, package.classification);
-
-            PluginInstalled?.Invoke(this, new GenericEventArgs<PackageVersionInfo> { Argument = package });
-
-            _applicationHost.NotifyPendingRestart();
-        }
 
         /// <summary>
         /// The _logger
@@ -111,7 +80,7 @@ namespace Emby.Server.Implementations.Updates
         private readonly IZipClient _zipClient;
 
         public InstallationManager(
-            ILoggerFactory loggerFactory,
+            ILogger<InstallationManager> logger,
             IApplicationHost appHost,
             IApplicationPaths appPaths,
             IHttpClient httpClient,
@@ -120,15 +89,15 @@ namespace Emby.Server.Implementations.Updates
             IFileSystem fileSystem,
             IZipClient zipClient)
         {
-            if (loggerFactory == null)
+            if (logger == null)
             {
-                throw new ArgumentNullException(nameof(loggerFactory));
+                throw new ArgumentNullException(nameof(logger));
             }
 
-            CurrentInstallations = new List<Tuple<InstallationInfo, CancellationTokenSource>>();
+            _currentInstallations = new List<(InstallationInfo, CancellationTokenSource)>();
             _completedInstallationsInternal = new ConcurrentBag<InstallationInfo>();
 
-            _logger = loggerFactory.CreateLogger(nameof(InstallationManager));
+            _logger = logger;
             _applicationHost = appHost;
             _appPaths = appPaths;
             _httpClient = httpClient;
@@ -138,21 +107,12 @@ namespace Emby.Server.Implementations.Updates
             _zipClient = zipClient;
         }
 
-        private static Version GetPackageVersion(PackageVersionInfo version)
-        {
-            return new Version(ValueOrDefault(version.versionStr, "0.0.0.1"));
-        }
-
-        private static string ValueOrDefault(string str, string def)
-        {
-            return string.IsNullOrEmpty(str) ? def : str;
-        }
-
         /// <summary>
         /// Gets all available packages.
         /// </summary>
         /// <returns>Task{List{PackageInfo}}.</returns>
-        public async Task<List<PackageInfo>> GetAvailablePackages(CancellationToken cancellationToken,
+        public async Task<List<PackageInfo>> GetAvailablePackages(
+            CancellationToken cancellationToken,
             bool withRegistration = true,
             string packageType = null,
             Version applicationVersion = null)
@@ -168,26 +128,21 @@ namespace Emby.Server.Implementations.Updates
         /// <returns>Task{List{PackageInfo}}.</returns>
         public async Task<List<PackageInfo>> GetAvailablePackagesWithoutRegistrationInfo(CancellationToken cancellationToken)
         {
-            using (var response = await _httpClient.SendAsync(new HttpRequestOptions
-            {
-                Url = "https://repo.jellyfin.org/releases/plugin/manifest.json",
-                CancellationToken = cancellationToken,
-                Progress = new SimpleProgress<double>(),
-                CacheLength = GetCacheLength()
-            }, "GET").ConfigureAwait(false))
-            {
-                using (var stream = response.Content)
+            using (var response = await _httpClient.SendAsync(
+                new HttpRequestOptions
                 {
-                    return FilterPackages(await _jsonSerializer.DeserializeFromStreamAsync<PackageInfo[]>(stream).ConfigureAwait(false));
-                }
+                    Url = "https://repo.jellyfin.org/releases/plugin/manifest.json",
+                    CancellationToken = cancellationToken,
+                    CacheMode = CacheMode.Unconditional,
+                    CacheLength = GetCacheLength()
+                },
+                HttpMethod.Get).ConfigureAwait(false))
+            using (Stream stream = response.Content)
+            {
+                return FilterPackages(await _jsonSerializer.DeserializeFromStreamAsync<PackageInfo[]>(stream).ConfigureAwait(false));
             }
         }
 
-        private PackageVersionClass GetSystemUpdateLevel()
-        {
-            return _applicationHost.SystemUpdateLevel;
-        }
-
         private static TimeSpan GetCacheLength()
         {
             return TimeSpan.FromMinutes(3);
@@ -211,7 +166,7 @@ namespace Emby.Server.Implementations.Updates
                 }
 
                 package.versions = versions
-                    .OrderByDescending(GetPackageVersion)
+                    .OrderByDescending(x => x.Version)
                     .ToArray();
 
                 if (package.versions.Length == 0)
@@ -294,7 +249,7 @@ namespace Emby.Server.Implementations.Updates
                 return null;
             }
 
-            return package.versions.FirstOrDefault(v => GetPackageVersion(v).Equals(version) && v.classification == classification);
+            return package.versions.FirstOrDefault(v => v.Version == version && v.classification == classification);
         }
 
         /// <summary>
@@ -325,13 +280,8 @@ namespace Emby.Server.Implementations.Updates
             var package = availablePackages.FirstOrDefault(p => string.Equals(p.guid, guid ?? "none", StringComparison.OrdinalIgnoreCase))
                             ?? availablePackages.FirstOrDefault(p => p.name.Equals(name, StringComparison.OrdinalIgnoreCase));
 
-            if (package == null)
-            {
-                return null;
-            }
-
-            return package.versions
-                .OrderByDescending(GetPackageVersion)
+            return package?.versions
+                .OrderByDescending(x => x.Version)
                 .FirstOrDefault(v => v.classification <= classification && IsPackageVersionUpToDate(v, currentServerVersion));
         }
 
@@ -346,40 +296,26 @@ namespace Emby.Server.Implementations.Updates
         {
             var catalog = await GetAvailablePackagesWithoutRegistrationInfo(cancellationToken).ConfigureAwait(false);
 
-            var systemUpdateLevel = GetSystemUpdateLevel();
+            var systemUpdateLevel = _applicationHost.SystemUpdateLevel;
 
             // Figure out what needs to be installed
             return _applicationHost.Plugins.Select(p =>
             {
                 var latestPluginInfo = GetLatestCompatibleVersion(catalog, p.Name, p.Id.ToString(), applicationVersion, systemUpdateLevel);
 
-                return latestPluginInfo != null && GetPackageVersion(latestPluginInfo) > p.Version ? latestPluginInfo : null;
-
+                return latestPluginInfo != null && latestPluginInfo.Version > p.Version ? latestPluginInfo : null;
             }).Where(i => i != null)
             .Where(p => !string.IsNullOrEmpty(p.sourceUrl) && !CompletedInstallations.Any(i => string.Equals(i.AssemblyGuid, p.guid, StringComparison.OrdinalIgnoreCase)));
         }
 
-        /// <summary>
-        /// Installs the package.
-        /// </summary>
-        /// <param name="package">The package.</param>
-        /// <param name="isPlugin">if set to <c>true</c> [is plugin].</param>
-        /// <param name="progress">The progress.</param>
-        /// <param name="cancellationToken">The cancellation token.</param>
-        /// <returns>Task.</returns>
-        /// <exception cref="ArgumentNullException">package</exception>
-        public async Task InstallPackage(PackageVersionInfo package, bool isPlugin, IProgress<double> progress, CancellationToken cancellationToken)
+        /// <inheritdoc />
+        public async Task InstallPackage(PackageVersionInfo package, CancellationToken cancellationToken)
         {
             if (package == null)
             {
                 throw new ArgumentNullException(nameof(package));
             }
 
-            if (progress == null)
-            {
-                throw new ArgumentNullException(nameof(progress));
-            }
-
             var installationInfo = new InstallationInfo
             {
                 Id = Guid.NewGuid(),
@@ -391,24 +327,14 @@ namespace Emby.Server.Implementations.Updates
 
             var innerCancellationTokenSource = new CancellationTokenSource();
 
-            var tuple = new Tuple<InstallationInfo, CancellationTokenSource>(installationInfo, innerCancellationTokenSource);
+            var tuple = (installationInfo, innerCancellationTokenSource);
 
             // Add it to the in-progress list
-            lock (CurrentInstallations)
+            lock (_currentInstallations)
             {
-                CurrentInstallations.Add(tuple);
+                _currentInstallations.Add(tuple);
             }
 
-            var innerProgress = new ActionableProgress<double>();
-
-            // Whenever the progress updates, update the outer progress object and InstallationInfo
-            innerProgress.RegisterAction(percent =>
-            {
-                progress.Report(percent);
-
-                installationInfo.PercentComplete = percent;
-            });
-
             var linkedToken = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, innerCancellationTokenSource.Token).Token;
 
             var installationEventArgs = new InstallationEventArgs
@@ -421,11 +347,11 @@ namespace Emby.Server.Implementations.Updates
 
             try
             {
-                await InstallPackageInternal(package, isPlugin, innerProgress, linkedToken).ConfigureAwait(false);
+                await InstallPackageInternal(package, linkedToken).ConfigureAwait(false);
 
-                lock (CurrentInstallations)
+                lock (_currentInstallations)
                 {
-                    CurrentInstallations.Remove(tuple);
+                    _currentInstallations.Remove(tuple);
                 }
 
                 _completedInstallationsInternal.Add(installationInfo);
@@ -434,9 +360,9 @@ namespace Emby.Server.Implementations.Updates
             }
             catch (OperationCanceledException)
             {
-                lock (CurrentInstallations)
+                lock (_currentInstallations)
                 {
-                    CurrentInstallations.Remove(tuple);
+                    _currentInstallations.Remove(tuple);
                 }
 
                 _logger.LogInformation("Package installation cancelled: {0} {1}", package.name, package.versionStr);
@@ -449,9 +375,9 @@ namespace Emby.Server.Implementations.Updates
             {
                 _logger.LogError(ex, "Package installation failed");
 
-                lock (CurrentInstallations)
+                lock (_currentInstallations)
                 {
-                    CurrentInstallations.Remove(tuple);
+                    _currentInstallations.Remove(tuple);
                 }
 
                 PackageInstallationFailed?.Invoke(this, new InstallationFailedEventArgs
@@ -473,110 +399,89 @@ namespace Emby.Server.Implementations.Updates
         /// Installs the package internal.
         /// </summary>
         /// <param name="package">The package.</param>
-        /// <param name="isPlugin">if set to <c>true</c> [is plugin].</param>
-        /// <param name="progress">The progress.</param>
         /// <param name="cancellationToken">The cancellation token.</param>
-        /// <returns>Task.</returns>
-        private async Task InstallPackageInternal(PackageVersionInfo package, bool isPlugin, IProgress<double> progress, CancellationToken cancellationToken)
+        /// <returns><see cref="Task" />.</returns>
+        private async Task InstallPackageInternal(PackageVersionInfo package, CancellationToken cancellationToken)
         {
-            IPlugin plugin = null;
-
-            if (isPlugin)
-            {
-                // Set last update time if we were installed before
-                plugin = _applicationHost.Plugins.FirstOrDefault(p => string.Equals(p.Id.ToString(), package.guid, StringComparison.OrdinalIgnoreCase))
+            // Set last update time if we were installed before
+            IPlugin plugin = _applicationHost.Plugins.FirstOrDefault(p => string.Equals(p.Id.ToString(), package.guid, StringComparison.OrdinalIgnoreCase))
                            ?? _applicationHost.Plugins.FirstOrDefault(p => p.Name.Equals(package.name, StringComparison.OrdinalIgnoreCase));
-            }
-
-            string targetPath = plugin == null ? null : plugin.AssemblyFilePath;
 
             // Do the install
-            await PerformPackageInstallation(progress, targetPath, package, cancellationToken).ConfigureAwait(false);
+            await PerformPackageInstallation(package, cancellationToken).ConfigureAwait(false);
 
             // Do plugin-specific processing
-            if (isPlugin)
+            if (plugin == null)
             {
-                if (plugin == null)
-                {
-                    OnPluginInstalled(package);
-                }
-                else
-                {
-                    OnPluginUpdated(plugin, package);
-                }
+                _logger.LogInformation("New plugin installed: {0} {1} {2}", package.name, package.versionStr ?? string.Empty, package.classification);
+
+                PluginInstalled?.Invoke(this, new GenericEventArgs<PackageVersionInfo>(package));
+            }
+            else
+            {
+                _logger.LogInformation("Plugin updated: {0} {1} {2}", package.name, package.versionStr ?? string.Empty, package.classification);
+
+                PluginUpdated?.Invoke(this, new GenericEventArgs<(IPlugin, PackageVersionInfo)>((plugin, package)));
             }
+
+            _applicationHost.NotifyPendingRestart();
         }
 
-        private async Task PerformPackageInstallation(IProgress<double> progress, string target, PackageVersionInfo package, CancellationToken cancellationToken)
+        private async Task PerformPackageInstallation(PackageVersionInfo package, CancellationToken cancellationToken)
         {
-            // TODO: Remove the `string target` argument as it is not used any longer
-
             var extension = Path.GetExtension(package.targetFilename);
-            var isArchive = string.Equals(extension, ".zip", StringComparison.OrdinalIgnoreCase);
-
-            if (!isArchive)
+            if (!string.Equals(extension, ".zip", StringComparison.OrdinalIgnoreCase))
             {
                 _logger.LogError("Only zip packages are supported. {Filename} is not a zip archive.", package.targetFilename);
                 return;
             }
 
             // Always override the passed-in target (which is a file) and figure it out again
-            target = Path.Combine(_appPaths.PluginsPath, package.name);
-            _logger.LogDebug("Installing plugin to {Filename}.", target);
+            string targetDir = Path.Combine(_appPaths.PluginsPath, package.name);
 
-            // Download to temporary file so that, if interrupted, it won't destroy the existing installation
-            _logger.LogDebug("Downloading ZIP.");
-            var tempFile = await _httpClient.GetTempFile(new HttpRequestOptions
-            {
-                Url = package.sourceUrl,
-                CancellationToken = cancellationToken,
-                Progress = progress
-
-            }).ConfigureAwait(false);
-
-            cancellationToken.ThrowIfCancellationRequested();
-
-            // TODO: Validate with a checksum, *properly*
-
-            // Check if the target directory already exists, and remove it if so
-            if (Directory.Exists(target))
-            {
-                _logger.LogDebug("Deleting existing plugin at {Filename}.", target);
-                Directory.Delete(target, true);
-            }
+// CA5351: Do Not Use Broken Cryptographic Algorithms
+#pragma warning disable CA5351
+            using (var res = await _httpClient.SendAsync(
+                new HttpRequestOptions
+                {
+                    Url = package.sourceUrl,
+                    CancellationToken = cancellationToken,
+                    // We need it to be buffered for setting the position
+                    BufferContent = true
+                },
+                HttpMethod.Get).ConfigureAwait(false))
+            using (var stream = res.Content)
+            using (var md5 = MD5.Create())
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+
+                var hash = ToHexString(md5.ComputeHash(stream));
+                if (!string.Equals(package.checksum, hash, StringComparison.OrdinalIgnoreCase))
+                {
+                    _logger.LogError(
+                        "The checksums didn't match while installing {Package}, expected: {Expected}, got: {Received}",
+                        package.name,
+                        package.checksum,
+                        hash);
+                    throw new InvalidDataException("The checksum of the received data doesn't match.");
+                }
 
-            // Success - move it to the real target
-            try
-            {
-                _logger.LogDebug("Extracting ZIP {TempFile} to {Filename}.", tempFile, target);
-                using (var stream = File.OpenRead(tempFile))
+                if (Directory.Exists(targetDir))
                 {
-                    _zipClient.ExtractAllFromZip(stream, target, true);
+                    Directory.Delete(targetDir, true);
                 }
-            }
-            catch (IOException ex)
-            {
-                _logger.LogError(ex, "Error attempting to extract {TempFile} to {TargetFile}", tempFile, target);
-                throw;
-            }
 
-            try
-            {
-                _logger.LogDebug("Deleting temporary file {Filename}.", tempFile);
-                _fileSystem.DeleteFile(tempFile);
-            }
-            catch (IOException ex)
-            {
-                // Don't fail because of this
-                _logger.LogError(ex, "Error deleting temp file {TempFile}", tempFile);
+                stream.Position = 0;
+                _zipClient.ExtractAllFromZip(stream, targetDir, true);
             }
+
+#pragma warning restore CA5351
         }
 
         /// <summary>
         /// Uninstalls a plugin
         /// </summary>
         /// <param name="plugin">The plugin.</param>
-        /// <exception cref="ArgumentException"></exception>
         public void UninstallPlugin(IPlugin plugin)
         {
             plugin.OnUninstalling();
@@ -622,11 +527,34 @@ namespace Emby.Server.Implementations.Updates
                 _config.SaveConfiguration();
             }
 
-            OnPluginUninstalled(plugin);
+            PluginUninstalled?.Invoke(this, new GenericEventArgs<IPlugin> { Argument = plugin });
 
             _applicationHost.NotifyPendingRestart();
         }
 
+        /// <inheritdoc/>
+        public bool CancelInstallation(Guid id)
+        {
+            lock (_currentInstallations)
+            {
+                var install = _currentInstallations.Find(x => x.Item1.Id == id);
+                if (install == default((InstallationInfo, CancellationTokenSource)))
+                {
+                    return false;
+                }
+
+                install.Item2.Cancel();
+                _currentInstallations.Remove(install);
+                return true;
+            }
+        }
+
+        public void Dispose()
+        {
+            Dispose(true);
+            GC.SuppressFinalize(this);
+        }
+
         /// <summary>
         /// Releases unmanaged and - optionally - managed resources.
         /// </summary>
@@ -635,21 +563,16 @@ namespace Emby.Server.Implementations.Updates
         {
             if (dispose)
             {
-                lock (CurrentInstallations)
+                lock (_currentInstallations)
                 {
-                    foreach (var tuple in CurrentInstallations)
+                    foreach (var tuple in _currentInstallations)
                     {
                         tuple.Item2.Dispose();
                     }
 
-                    CurrentInstallations.Clear();
+                    _currentInstallations.Clear();
                 }
             }
         }
-
-        public void Dispose()
-        {
-            Dispose(true);
-        }
     }
 }