Merge remote-tracking branch 'upstream/master' into localization-test

191 files changed, 1864 insertions, 1501 deletions

diff --git a/Emby.Server.Implementations/AppBase/BaseApplicationPaths.cs b/Emby.Server.Implementations/AppBase/BaseApplicationPaths.cs
index 660bbb2de..6edfad575 100644
--- a/Emby.Server.Implementations/AppBase/BaseApplicationPaths.cs
+++ b/Emby.Server.Implementations/AppBase/BaseApplicationPaths.cs
@@ -33,7 +33,7 @@ namespace Emby.Server.Implementations.AppBase
             CachePath = cacheDirectoryPath;
             WebPath = webDirectoryPath;
 
-            DataPath = Path.Combine(ProgramDataPath, "data");
+            _dataPath = Directory.CreateDirectory(Path.Combine(ProgramDataPath, "data")).FullName;
         }
 
         /// <summary>
@@ -55,11 +55,7 @@ namespace Emby.Server.Implementations.AppBase
         /// Gets the folder path to the data directory.
         /// </summary>
         /// <value>The data directory.</value>
-        public string DataPath
-        {
-            get => _dataPath;
-            private set => _dataPath = Directory.CreateDirectory(value).FullName;
-        }
+        public string DataPath => _dataPath;
 
         /// <inheritdoc />
         public string VirtualDataPath => "%AppDataPath%";
diff --git a/Emby.Server.Implementations/AppBase/BaseConfigurationManager.cs b/Emby.Server.Implementations/AppBase/BaseConfigurationManager.cs
index 4f72c8ce1..d38535634 100644
--- a/Emby.Server.Implementations/AppBase/BaseConfigurationManager.cs
+++ b/Emby.Server.Implementations/AppBase/BaseConfigurationManager.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
@@ -23,6 +25,11 @@ namespace Emby.Server.Implementations.AppBase
 
         private readonly ConcurrentDictionary<string, object> _configurations = new ConcurrentDictionary<string, object>();
 
+        /// <summary>
+        /// The _configuration sync lock.
+        /// </summary>
+        private readonly object _configurationSyncLock = new object();
+
         private ConfigurationStore[] _configurationStores = Array.Empty<ConfigurationStore>();
         private IConfigurationFactory[] _configurationFactories = Array.Empty<IConfigurationFactory>();
 
@@ -32,11 +39,6 @@ namespace Emby.Server.Implementations.AppBase
         private bool _configurationLoaded;
 
         /// <summary>
-        /// The _configuration sync lock.
-        /// </summary>
-        private readonly object _configurationSyncLock = new object();
-
-        /// <summary>
         /// The _configuration.
         /// </summary>
         private BaseApplicationConfiguration _configuration;
@@ -297,25 +299,29 @@ namespace Emby.Server.Implementations.AppBase
         /// <inheritdoc />
         public object GetConfiguration(string key)
         {
-            return _configurations.GetOrAdd(key, k =>
-            {
-                var file = GetConfigurationFile(key);
+            return _configurations.GetOrAdd(
+                key,
+                (k, configurationManager) =>
+                {
+                    var file = configurationManager.GetConfigurationFile(k);
 
-                var configurationInfo = _configurationStores
-                    .FirstOrDefault(i => string.Equals(i.Key, key, StringComparison.OrdinalIgnoreCase));
+                    var configurationInfo = Array.Find(
+                        configurationManager._configurationStores,
+                        i => string.Equals(i.Key, k, StringComparison.OrdinalIgnoreCase));
 
-                if (configurationInfo == null)
-                {
-                    throw new ResourceNotFoundException("Configuration with key " + key + " not found.");
-                }
+                    if (configurationInfo == null)
+                    {
+                        throw new ResourceNotFoundException("Configuration with key " + k + " not found.");
+                    }
 
-                var configurationType = configurationInfo.ConfigurationType;
+                    var configurationType = configurationInfo.ConfigurationType;
 
-                lock (_configurationSyncLock)
-                {
-                    return LoadConfiguration(file, configurationType);
-                }
-            });
+                    lock (configurationManager._configurationSyncLock)
+                    {
+                        return configurationManager.LoadConfiguration(file, configurationType);
+                    }
+                },
+                this);
         }
 
         private object LoadConfiguration(string path, Type configurationType)
diff --git a/Emby.Server.Implementations/AppBase/ConfigurationHelper.cs b/Emby.Server.Implementations/AppBase/ConfigurationHelper.cs
index 29bac6634..0308a68e4 100644
--- a/Emby.Server.Implementations/AppBase/ConfigurationHelper.cs
+++ b/Emby.Server.Implementations/AppBase/ConfigurationHelper.cs
@@ -1,5 +1,3 @@
-#nullable enable
-
 using System;
 using System.IO;
 using System.Linq;
@@ -35,7 +33,8 @@ namespace Emby.Server.Implementations.AppBase
             }
             catch (Exception)
             {
-                configuration = Activator.CreateInstance(type) ?? throw new ArgumentException($"Provided path ({type}) is not valid.", nameof(type));
+                // Note: CreateInstance returns null for Nullable<T>, e.g. CreateInstance(typeof(int?)) returns null.
+                configuration = Activator.CreateInstance(type)!;
             }
 
             using var stream = new MemoryStream(buffer?.Length ?? 0);
diff --git a/Emby.Server.Implementations/ApplicationHost.cs b/Emby.Server.Implementations/ApplicationHost.cs
index 75d8fc113..bf7ddace2 100644
--- a/Emby.Server.Implementations/ApplicationHost.cs
+++ b/Emby.Server.Implementations/ApplicationHost.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
@@ -101,7 +103,6 @@ using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using Prometheus.DotNetRuntime;
-using OperatingSystem = MediaBrowser.Common.System.OperatingSystem;
 using WebSocketManager = Emby.Server.Implementations.HttpServer.WebSocketManager;
 
 namespace Emby.Server.Implementations
@@ -148,13 +149,7 @@ namespace Emby.Server.Implementations
                     return false;
                 }
 
-                if (OperatingSystem.Id == OperatingSystemId.Windows
-                    || OperatingSystem.Id == OperatingSystemId.Darwin)
-                {
-                    return true;
-                }
-
-                return false;
+                return OperatingSystem.IsWindows() || OperatingSystem.IsMacOS();
             }
         }
 
@@ -719,7 +714,7 @@ namespace Emby.Server.Implementations
 
             logger.LogInformation("Environment Variables: {EnvVars}", relevantEnvVars);
             logger.LogInformation("Arguments: {Args}", commandLineArgs);
-            logger.LogInformation("Operating system: {OS}", OperatingSystem.Name);
+            logger.LogInformation("Operating system: {OS}", MediaBrowser.Common.System.OperatingSystem.Name);
             logger.LogInformation("Architecture: {Architecture}", RuntimeInformation.OSArchitecture);
             logger.LogInformation("64-Bit Process: {Is64Bit}", Environment.Is64BitProcess);
             logger.LogInformation("User Interactive: {IsUserInteractive}", Environment.UserInteractive);
@@ -1096,11 +1091,10 @@ namespace Emby.Server.Implementations
                 ItemsByNamePath = ApplicationPaths.InternalMetadataPath,
                 InternalMetadataPath = ApplicationPaths.InternalMetadataPath,
                 CachePath = ApplicationPaths.CachePath,
-                OperatingSystem = OperatingSystem.Id.ToString(),
-                OperatingSystemDisplayName = OperatingSystem.Name,
+                OperatingSystem = MediaBrowser.Common.System.OperatingSystem.Id.ToString(),
+                OperatingSystemDisplayName = MediaBrowser.Common.System.OperatingSystem.Name,
                 CanSelfRestart = CanSelfRestart,
                 CanLaunchWebBrowser = CanLaunchWebBrowser,
-                HasUpdateAvailable = HasUpdateAvailable,
                 TranscodingTempPath = ConfigurationManager.GetTranscodePath(),
                 ServerName = FriendlyName,
                 LocalAddress = GetSmartApiUrl(source),
@@ -1116,16 +1110,16 @@ namespace Emby.Server.Implementations
                 .Select(i => new WakeOnLanInfo(i))
                 .ToList();
 
-        public PublicSystemInfo GetPublicSystemInfo(IPAddress source)
+        public PublicSystemInfo GetPublicSystemInfo(IPAddress address)
         {
             return new PublicSystemInfo
             {
                 Version = ApplicationVersionString,
                 ProductName = ApplicationProductName,
                 Id = SystemId,
-                OperatingSystem = OperatingSystem.Id.ToString(),
+                OperatingSystem = MediaBrowser.Common.System.OperatingSystem.Id.ToString(),
                 ServerName = FriendlyName,
-                LocalAddress = GetSmartApiUrl(source),
+                LocalAddress = GetSmartApiUrl(address),
                 StartupWizardCompleted = ConfigurationManager.CommonConfiguration.IsStartupWizardCompleted
             };
         }
@@ -1134,7 +1128,7 @@ namespace Emby.Server.Implementations
         public bool ListenWithHttps => Certificate != null && ConfigurationManager.GetNetworkConfiguration().EnableHttps;
 
         /// <inheritdoc/>
-        public string GetSmartApiUrl(IPAddress ipAddress, int? port = null)
+        public string GetSmartApiUrl(IPAddress remoteAddr, int? port = null)
         {
             // Published server ends with a /
             if (!string.IsNullOrEmpty(PublishedServerUrl))
@@ -1143,7 +1137,7 @@ namespace Emby.Server.Implementations
                 return PublishedServerUrl.Trim('/');
             }
 
-            string smart = NetManager.GetBindInterface(ipAddress, out port);
+            string smart = NetManager.GetBindInterface(remoteAddr, out port);
             // If the smartAPI doesn't start with http then treat it as a host or ip.
             if (smart.StartsWith("http", StringComparison.OrdinalIgnoreCase))
             {
@@ -1206,14 +1200,14 @@ namespace Emby.Server.Implementations
         }
 
         /// <inheritdoc/>
-        public string GetLocalApiUrl(string host, string scheme = null, int? port = null)
+        public string GetLocalApiUrl(string hostname, string scheme = null, int? port = null)
         {
             // NOTE: If no BaseUrl is set then UriBuilder appends a trailing slash, but if there is no BaseUrl it does
             // not. For consistency, always trim the trailing slash.
             return new UriBuilder
             {
                 Scheme = scheme ?? (ListenWithHttps ? Uri.UriSchemeHttps : Uri.UriSchemeHttp),
-                Host = host,
+                Host = hostname,
                 Port = port ?? (ListenWithHttps ? HttpsPort : HttpPort),
                 Path = ConfigurationManager.GetNetworkConfiguration().BaseUrl
             }.ToString().TrimEnd('/');
@@ -1250,26 +1244,6 @@ namespace Emby.Server.Implementations
 
         protected abstract void ShutdownInternal();
 
-        public event EventHandler HasUpdateAvailableChanged;
-
-        private bool _hasUpdateAvailable;
-
-        public bool HasUpdateAvailable
-        {
-            get => _hasUpdateAvailable;
-            set
-            {
-                var fireEvent = value && !_hasUpdateAvailable;
-
-                _hasUpdateAvailable = value;
-
-                if (fireEvent)
-                {
-                    HasUpdateAvailableChanged?.Invoke(this, EventArgs.Empty);
-                }
-            }
-        }
-
         public IEnumerable<Assembly> GetApiPluginAssemblies()
         {
             var assemblies = _allConcreteTypes
diff --git a/Emby.Server.Implementations/Channels/ChannelManager.cs b/Emby.Server.Implementations/Channels/ChannelManager.cs
index 7324b0ee9..093607dd5 100644
--- a/Emby.Server.Implementations/Channels/ChannelManager.cs
+++ b/Emby.Server.Implementations/Channels/ChannelManager.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 using System;
 using System.Collections.Generic;
 using System.Globalization;
@@ -9,7 +11,7 @@ using System.Threading.Tasks;
 using Jellyfin.Data.Entities;
 using Jellyfin.Data.Enums;
 using MediaBrowser.Common.Extensions;
-using MediaBrowser.Common.Json;
+using Jellyfin.Extensions.Json;
 using MediaBrowser.Common.Progress;
 using MediaBrowser.Controller.Channels;
 using MediaBrowser.Controller.Configuration;
diff --git a/Emby.Server.Implementations/Collections/CollectionImageProvider.cs b/Emby.Server.Implementations/Collections/CollectionImageProvider.cs
index c69a07e83..ca8409402 100644
--- a/Emby.Server.Implementations/Collections/CollectionImageProvider.cs
+++ b/Emby.Server.Implementations/Collections/CollectionImageProvider.cs
@@ -82,9 +82,9 @@ namespace Emby.Server.Implementations.Collections
                     return null;
                 })
                 .Where(i => i != null)
-                .GroupBy(x => x.Id)
+                .GroupBy(x => x!.Id) // We removed the null values
                 .Select(x => x.First())
-                .ToList();
+                .ToList()!; // Again... the list doesn't contain any null values
         }
 
         /// <inheritdoc />
diff --git a/Emby.Server.Implementations/Collections/CollectionManager.cs b/Emby.Server.Implementations/Collections/CollectionManager.cs
index 1b85a9d4b..08acd1767 100644
--- a/Emby.Server.Implementations/Collections/CollectionManager.cs
+++ b/Emby.Server.Implementations/Collections/CollectionManager.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 using System;
 using System.Collections.Generic;
 using System.IO;
@@ -80,12 +82,10 @@ namespace Emby.Server.Implementations.Collections
 
         internal async Task<Folder> EnsureLibraryFolder(string path, bool createIfNeeded)
         {
-            var existingFolders = FindFolders(path)
-                .ToList();
-
-            if (existingFolders.Count > 0)
+            var existingFolder = FindFolders(path).FirstOrDefault();
+            if (existingFolder != null)
             {
-                return existingFolders[0];
+                return existingFolder;
             }
 
             if (!createIfNeeded)
@@ -162,9 +162,9 @@ namespace Emby.Server.Implementations.Collections
                     DateCreated = DateTime.UtcNow
                 };
 
-                parentFolder.AddChild(collection, CancellationToken.None);
+                parentFolder.AddChild(collection);
 
-                if (options.ItemIdList.Length > 0)
+                if (options.ItemIdList.Count > 0)
                 {
                     await AddToCollectionAsync(
                         collection.Id,
@@ -248,11 +248,7 @@ namespace Emby.Server.Implementations.Collections
 
                 if (fireEvent)
                 {
-                    ItemsAddedToCollection?.Invoke(this, new CollectionModifiedEventArgs
-                    {
-                        Collection = collection,
-                        ItemsChanged = itemList
-                    });
+                    ItemsAddedToCollection?.Invoke(this, new CollectionModifiedEventArgs(collection, itemList));
                 }
             }
         }
@@ -304,11 +300,7 @@ namespace Emby.Server.Implementations.Collections
                 },
                 RefreshPriority.High);
 
-            ItemsRemovedFromCollection?.Invoke(this, new CollectionModifiedEventArgs
-            {
-                Collection = collection,
-                ItemsChanged = itemList
-            });
+            ItemsRemovedFromCollection?.Invoke(this, new CollectionModifiedEventArgs(collection, itemList));
         }
 
         /// <inheritdoc />
diff --git a/Emby.Server.Implementations/Configuration/ServerConfigurationManager.cs b/Emby.Server.Implementations/Configuration/ServerConfigurationManager.cs
index 7a8ed8c29..ff5602f24 100644
--- a/Emby.Server.Implementations/Configuration/ServerConfigurationManager.cs
+++ b/Emby.Server.Implementations/Configuration/ServerConfigurationManager.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 using System;
 using System.Globalization;
 using System.IO;
diff --git a/Emby.Server.Implementations/Cryptography/CryptographyProvider.cs b/Emby.Server.Implementations/Cryptography/CryptographyProvider.cs
index 12a9e44e7..4a9b28085 100644
--- a/Emby.Server.Implementations/Cryptography/CryptographyProvider.cs
+++ b/Emby.Server.Implementations/Cryptography/CryptographyProvider.cs
@@ -1,5 +1,3 @@
-#nullable enable
-
 using System;
 using System.Collections.Generic;
 using System.Security.Cryptography;
diff --git a/Emby.Server.Implementations/Data/BaseSqliteRepository.cs b/Emby.Server.Implementations/Data/BaseSqliteRepository.cs
index 8c756a7f4..6f23a0888 100644
--- a/Emby.Server.Implementations/Data/BaseSqliteRepository.cs
+++ b/Emby.Server.Implementations/Data/BaseSqliteRepository.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
@@ -181,11 +183,9 @@ namespace Emby.Server.Implementations.Data
 
             foreach (var row in connection.Query("PRAGMA table_info(" + table + ")"))
             {
-                if (row[1].SQLiteType != SQLiteType.Null)
+                if (row.TryGetString(1, out var columnName))
                 {
-                    var name = row[1].ToString();
-
-                    columnNames.Add(name);
+                    columnNames.Add(columnName);
                 }
             }
 
diff --git a/Emby.Server.Implementations/Data/ManagedConnection.cs b/Emby.Server.Implementations/Data/ManagedConnection.cs
index 5c094ddd2..afc8966f9 100644
--- a/Emby.Server.Implementations/Data/ManagedConnection.cs
+++ b/Emby.Server.Implementations/Data/ManagedConnection.cs
@@ -9,7 +9,7 @@ namespace Emby.Server.Implementations.Data
 {
     public class ManagedConnection : IDisposable
     {
-        private SQLiteDatabaseConnection _db;
+        private SQLiteDatabaseConnection? _db;
         private readonly SemaphoreSlim _writeLock;
         private bool _disposed = false;
 
@@ -54,12 +54,12 @@ namespace Emby.Server.Implementations.Data
             return _db.RunInTransaction(action, mode);
         }
 
-        public IEnumerable<IReadOnlyList<IResultSetValue>> Query(string sql)
+        public IEnumerable<IReadOnlyList<ResultSetValue>> Query(string sql)
         {
             return _db.Query(sql);
         }
 
-        public IEnumerable<IReadOnlyList<IResultSetValue>> Query(string sql, params object[] values)
+        public IEnumerable<IReadOnlyList<ResultSetValue>> Query(string sql, params object[] values)
         {
             return _db.Query(sql, values);
         }
diff --git a/Emby.Server.Implementations/Data/SqliteExtensions.cs b/Emby.Server.Implementations/Data/SqliteExtensions.cs
index a04d63088..3289e7609 100644
--- a/Emby.Server.Implementations/Data/SqliteExtensions.cs
+++ b/Emby.Server.Implementations/Data/SqliteExtensions.cs
@@ -1,3 +1,4 @@
+#nullable disable
 #pragma warning disable CS1591
 
 using System;
@@ -64,7 +65,7 @@ namespace Emby.Server.Implementations.Data
             });
         }
 
-        public static Guid ReadGuidFromBlob(this IResultSetValue result)
+        public static Guid ReadGuidFromBlob(this ResultSetValue result)
         {
             return new Guid(result.ToBlob());
         }
@@ -85,7 +86,7 @@ namespace Emby.Server.Implementations.Data
         private static string GetDateTimeKindFormat(DateTimeKind kind)
             => (kind == DateTimeKind.Utc) ? DatetimeFormatUtc : DatetimeFormatLocal;
 
-        public static DateTime ReadDateTime(this IResultSetValue result)
+        public static DateTime ReadDateTime(this ResultSetValue result)
         {
             var dateText = result.ToString();
 
@@ -96,49 +97,139 @@ namespace Emby.Server.Implementations.Data
                 DateTimeStyles.None).ToUniversalTime();
         }
 
-        public static DateTime? TryReadDateTime(this IResultSetValue result)
+        public static bool TryReadDateTime(this IReadOnlyList<ResultSetValue> reader, int index, out DateTime result)
         {
-            var dateText = result.ToString();
+            var item = reader[index];
+            if (item.IsDbNull())
+            {
+                result = default;
+                return false;
+            }
+
+            var dateText = item.ToString();
 
             if (DateTime.TryParseExact(dateText, _datetimeFormats, DateTimeFormatInfo.InvariantInfo, DateTimeStyles.None, out var dateTimeResult))
             {
-                return dateTimeResult.ToUniversalTime();
+                result = dateTimeResult.ToUniversalTime();
+                return true;
+            }
+
+            result = default;
+            return false;
+        }
+
+        public static bool TryGetGuid(this IReadOnlyList<ResultSetValue> reader, int index, out Guid result)
+        {
+            var item = reader[index];
+            if (item.IsDbNull())
+            {
+                result = default;
+                return false;
             }
 
-            return null;
+            result = item.ReadGuidFromBlob();
+            return true;
         }
 
-        public static bool IsDBNull(this IReadOnlyList<IResultSetValue> result, int index)
+        public static bool IsDbNull(this ResultSetValue result)
         {
-            return result[index].SQLiteType == SQLiteType.Null;
+            return result.SQLiteType == SQLiteType.Null;
         }
 
-        public static string GetString(this IReadOnlyList<IResultSetValue> result, int index)
+        public static string GetString(this IReadOnlyList<ResultSetValue> result, int index)
         {
             return result[index].ToString();
         }
 
-        public static bool GetBoolean(this IReadOnlyList<IResultSetValue> result, int index)
+        public static bool TryGetString(this IReadOnlyList<ResultSetValue> reader, int index, out string result)
+        {
+            result = null;
+            var item = reader[index];
+            if (item.IsDbNull())
+            {
+                return false;
+            }
+
+            result = item.ToString();
+            return true;
+        }
+
+        public static bool GetBoolean(this IReadOnlyList<ResultSetValue> result, int index)
         {
             return result[index].ToBool();
         }
 
-        public static int GetInt32(this IReadOnlyList<IResultSetValue> result, int index)
+        public static bool TryGetBoolean(this IReadOnlyList<ResultSetValue> reader, int index, out bool result)
+        {
+            var item = reader[index];
+            if (item.IsDbNull())
+            {
+                result = default;
+                return false;
+            }
+
+            result = item.ToBool();
+            return true;
+        }
+
+        public static bool TryGetInt32(this IReadOnlyList<ResultSetValue> reader, int index, out int result)
         {
-            return result[index].ToInt();
+            var item = reader[index];
+            if (item.IsDbNull())
+            {
+                result = default;
+                return false;
+            }
+
+            result = item.ToInt();
+            return true;
         }
 
-        public static long GetInt64(this IReadOnlyList<IResultSetValue> result, int index)
+        public static long GetInt64(this IReadOnlyList<ResultSetValue> result, int index)
         {
             return result[index].ToInt64();
         }
 
-        public static float GetFloat(this IReadOnlyList<IResultSetValue> result, int index)
+        public static bool TryGetInt64(this IReadOnlyList<ResultSetValue> reader, int index, out long result)
+        {
+            var item = reader[index];
+            if (item.IsDbNull())
+            {
+                result = default;
+                return false;
+            }
+
+            result = item.ToInt64();
+            return true;
+        }
+
+        public static bool TryGetSingle(this IReadOnlyList<ResultSetValue> reader, int index, out float result)
+        {
+            var item = reader[index];
+            if (item.IsDbNull())
+            {
+                result = default;
+                return false;
+            }
+
+            result = item.ToFloat();
+            return true;
+        }
+
+        public static bool TryGetDouble(this IReadOnlyList<ResultSetValue> reader, int index, out double result)
         {
-            return result[index].ToFloat();
+            var item = reader[index];
+            if (item.IsDbNull())
+            {
+                result = default;
+                return false;
+            }
+
+            result = item.ToDouble();
+            return true;
         }
 
-        public static Guid GetGuid(this IReadOnlyList<IResultSetValue> result, int index)
+        public static Guid GetGuid(this IReadOnlyList<ResultSetValue> result, int index)
         {
             return result[index].ReadGuidFromBlob();
         }
@@ -350,7 +441,7 @@ namespace Emby.Server.Implementations.Data
             }
         }
 
-        public static IEnumerable<IReadOnlyList<IResultSetValue>> ExecuteQuery(this IStatement statement)
+        public static IEnumerable<IReadOnlyList<ResultSetValue>> ExecuteQuery(this IStatement statement)
         {
             while (statement.MoveNext())
             {
diff --git a/Emby.Server.Implementations/Data/SqliteItemRepository.cs b/Emby.Server.Implementations/Data/SqliteItemRepository.cs
index 72c9d82ad..2cb10765f 100644
--- a/Emby.Server.Implementations/Data/SqliteItemRepository.cs
+++ b/Emby.Server.Implementations/Data/SqliteItemRepository.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
@@ -9,10 +11,12 @@ using System.Linq;
 using System.Text;
 using System.Text.Json;
 using System.Threading;
+using Diacritics.Extensions;
 using Emby.Server.Implementations.Playlists;
 using Jellyfin.Data.Enums;
+using Jellyfin.Extensions;
+using Jellyfin.Extensions.Json;
 using MediaBrowser.Common.Extensions;
-using MediaBrowser.Common.Json;
 using MediaBrowser.Controller;
 using MediaBrowser.Controller.Channels;
 using MediaBrowser.Controller.Configuration;
@@ -41,6 +45,7 @@ namespace Emby.Server.Implementations.Data
     /// </summary>
     public class SqliteItemRepository : BaseSqliteRepository, IItemRepository
     {
+        private const string FromText = " from TypedBaseItems A";
         private const string ChaptersTableName = "Chapters2";
 
         private readonly IServerConfigurationManager _config;
@@ -1043,18 +1048,34 @@ namespace Emby.Server.Implementations.Data
                 return Array.Empty<ItemImageInfo>();
             }
 
-            var list = new List<ItemImageInfo>();
-            foreach (var part in value.SpanSplit('|'))
+            // TODO The following is an ugly performance optimization, but it's extremely unlikely that the data in the database would be malformed
+            var valueSpan = value.AsSpan();
+            var count = valueSpan.Count('|') + 1;
+
+            var position = 0;
+            var result = new ItemImageInfo[count];
+            foreach (var part in valueSpan.Split('|'))
             {
                 var image = ItemImageInfoFromValueString(part);
 
                 if (image != null)
                 {
-                    list.Add(image);
+                    result[position++] = image;
                 }
             }
 
-            return list.ToArray();
+            if (position == count)
+            {
+                return result;
+            }
+
+            if (position == 0)
+            {
+                return Array.Empty<ItemImageInfo>();
+            }
+
+            // Extremely unlikely, but somehow one or more of the image strings were malformed. Cut the array.
+            return result[..position];
         }
 
         private void AppendItemImageInfo(StringBuilder bldr, ItemImageInfo image)
@@ -1282,12 +1303,12 @@ namespace Emby.Server.Implementations.Data
             return true;
         }
 
-        private BaseItem GetItem(IReadOnlyList<IResultSetValue> reader, InternalItemsQuery query)
+        private BaseItem GetItem(IReadOnlyList<ResultSetValue> reader, InternalItemsQuery query)
         {
             return GetItem(reader, query, HasProgramAttributes(query), HasEpisodeAttributes(query), HasServiceName(query), HasStartDate(query), HasTrailerTypes(query), HasArtistFields(query), HasSeriesFields(query));
         }
 
-        private BaseItem GetItem(IReadOnlyList<IResultSetValue> reader, InternalItemsQuery query, bool enableProgramAttributes, bool hasEpisodeAttributes, bool hasServiceName, bool queryHasStartDate, bool hasTrailerTypes, bool hasArtistFields, bool hasSeriesFields)
+        private BaseItem GetItem(IReadOnlyList<ResultSetValue> reader, InternalItemsQuery query, bool enableProgramAttributes, bool hasEpisodeAttributes, bool hasServiceName, bool queryHasStartDate, bool hasTrailerTypes, bool hasArtistFields, bool hasSeriesFields)
         {
             var typeString = reader.GetString(0);
 
@@ -1332,27 +1353,23 @@ namespace Emby.Server.Implementations.Data
 
             if (queryHasStartDate)
             {
-                if (!reader.IsDBNull(index))
+                if (item is IHasStartDate hasStartDate && reader.TryReadDateTime(index, out var startDate))
                 {
-                    if (item is IHasStartDate hasStartDate)
-                    {
-                        hasStartDate.StartDate = reader[index].ReadDateTime();
-                    }
+                    hasStartDate.StartDate = startDate;
                 }
 
                 index++;
             }
 
-            if (!reader.IsDBNull(index))
+            if (reader.TryReadDateTime(index++, out var endDate))
             {
-                item.EndDate = reader[index].TryReadDateTime();
+                item.EndDate = endDate;
             }
 
-            index++;
-
-            if (!reader.IsDBNull(index))
+            var channelId = reader[index];
+            if (!channelId.IsDbNull())
             {
-                if (!Utf8Parser.TryParse(reader[index].ToBlob(), out Guid value, out _, standardFormat: 'N'))
+                if (!Utf8Parser.TryParse(channelId.ToBlob(), out Guid value, out _, standardFormat: 'N'))
                 {
                     var str = reader.GetString(index);
                     Logger.LogWarning("{ChannelId} isn't in the expected format", str);
@@ -1368,33 +1385,25 @@ namespace Emby.Server.Implementations.Data
             {
                 if (item is IHasProgramAttributes hasProgramAttributes)
                 {
-                    if (!reader.IsDBNull(index))
+                    if (reader.TryGetBoolean(index++, out var isMovie))
                     {
-                        hasProgramAttributes.IsMovie = reader.GetBoolean(index);
+                        hasProgramAttributes.IsMovie = isMovie;
                     }
 
-                    index++;
-
-                    if (!reader.IsDBNull(index))
+                    if (reader.TryGetBoolean(index++, out var isSeries))
                     {
-                        hasProgramAttributes.IsSeries = reader.GetBoolean(index);
+                        hasProgramAttributes.IsSeries = isSeries;
                     }
 
-                    index++;
-
-                    if (!reader.IsDBNull(index))
+                    if (reader.TryGetString(index++, out var episodeTitle))
                     {
-                        hasProgramAttributes.EpisodeTitle = reader.GetString(index);
+                        hasProgramAttributes.EpisodeTitle = episodeTitle;
                     }
 
-                    index++;
-
-                    if (!reader.IsDBNull(index))
+                    if (reader.TryGetBoolean(index++, out var isRepeat))
                     {
-                        hasProgramAttributes.IsRepeat = reader.GetBoolean(index);
+                        hasProgramAttributes.IsRepeat = isRepeat;
                     }
-
-                    index++;
                 }
                 else
                 {
@@ -1402,242 +1411,190 @@ namespace Emby.Server.Implementations.Data
                 }
             }
 
-            if (!reader.IsDBNull(index))
+            if (reader.TryGetSingle(index++, out var communityRating))
             {
-                item.CommunityRating = reader.GetFloat(index);
+                item.CommunityRating = communityRating;
             }
 
-            index++;
-
             if (HasField(query, ItemFields.CustomRating))
             {
-                if (!reader.IsDBNull(index))
+                if (reader.TryGetString(index++, out var customRating))
                 {
-                    item.CustomRating = reader.GetString(index);
+                    item.CustomRating = customRating;
                 }
-
-                index++;
             }
 
-            if (!reader.IsDBNull(index))
+            if (reader.TryGetInt32(index++, out var indexNumber))
             {
-                item.IndexNumber = reader.GetInt32(index);
+                item.IndexNumber = indexNumber;
             }
 
-            index++;
-
             if (HasField(query, ItemFields.Settings))
             {
-                if (!reader.IsDBNull(index))
+                if (reader.TryGetBoolean(index++, out var isLocked))
                 {
-                    item.IsLocked = reader.GetBoolean(index);
+                    item.IsLocked = isLocked;
                 }
 
-                index++;
-
-                if (!reader.IsDBNull(index))
+                if (reader.TryGetString(index++, out var preferredMetadataLanguage))
                 {
-                    item.PreferredMetadataLanguage = reader.GetString(index);
+                    item.PreferredMetadataLanguage = preferredMetadataLanguage;
                 }
 
-                index++;
-
-                if (!reader.IsDBNull(index))
+                if (reader.TryGetString(index++, out var preferredMetadataCountryCode))
                 {
-                    item.PreferredMetadataCountryCode = reader.GetString(index);
+                    item.PreferredMetadataCountryCode = preferredMetadataCountryCode;
                 }
-
-                index++;
             }
 
             if (HasField(query, ItemFields.Width))
             {
-                if (!reader.IsDBNull(index))
+                if (reader.TryGetInt32(index++, out var width))
                 {
-                    item.Width = reader.GetInt32(index);
+                    item.Width = width;
                 }
-
-                index++;
             }
 
             if (HasField(query, ItemFields.Height))
             {
-                if (!reader.IsDBNull(index))
+                if (reader.TryGetInt32(index++, out var height))
                 {
-                    item.Height = reader.GetInt32(index);
+                    item.Height = height;
                 }
-
-                index++;
             }
 
             if (HasField(query, ItemFields.DateLastRefreshed))
             {
-                if (!reader.IsDBNull(index))
+                if (reader.TryReadDateTime(index++, out var dateLastRefreshed))
                 {
-                    item.DateLastRefreshed = reader[index].ReadDateTime();
+                    item.DateLastRefreshed = dateLastRefreshed;
                 }
-
-                index++;
             }
 
-            if (!reader.IsDBNull(index))
+            if (reader.TryGetString(index++, out var name))
             {
-                item.Name = reader.GetString(index);
+                item.Name = name;
             }
 
-            index++;
-
-            if (!reader.IsDBNull(index))
+            if (reader.TryGetString(index++, out var restorePath))
             {
-                item.Path = RestorePath(reader.GetString(index));
+                item.Path = RestorePath(restorePath);
             }
 
-            index++;
-
-            if (!reader.IsDBNull(index))
+            if (reader.TryReadDateTime(index++, out var premiereDate))
             {
-                item.PremiereDate = reader[index].TryReadDateTime();
+                item.PremiereDate = premiereDate;
             }
 
-            index++;
-
             if (HasField(query, ItemFields.Overview))
             {
-                if (!reader.IsDBNull(index))
+                if (reader.TryGetString(index++, out var overview))
                 {
-                    item.Overview = reader.GetString(index);
+                    item.Overview = overview;
                 }
-
-                index++;
             }
 
-            if (!reader.IsDBNull(index))
+            if (reader.TryGetInt32(index++, out var parentIndexNumber))
             {
-                item.ParentIndexNumber = reader.GetInt32(index);
+                item.ParentIndexNumber = parentIndexNumber;
             }
 
-            index++;
-
-            if (!reader.IsDBNull(index))
+            if (reader.TryGetInt32(index++, out var productionYear))
             {
-                item.ProductionYear = reader.GetInt32(index);
+                item.ProductionYear = productionYear;
             }
 
-            index++;
-
-            if (!reader.IsDBNull(index))
+            if (reader.TryGetString(index++, out var officialRating))
             {
-                item.OfficialRating = reader.GetString(index);
+                item.OfficialRating = officialRating;
             }
 
-            index++;
-
             if (HasField(query, ItemFields.SortName))
             {
-                if (!reader.IsDBNull(index))
+                if (reader.TryGetString(index++, out var forcedSortName))
                 {
-                    item.ForcedSortName = reader.GetString(index);
+                    item.ForcedSortName = forcedSortName;
                 }
-
-                index++;
             }
 
-            if (!reader.IsDBNull(index))
+            if (reader.TryGetInt64(index++, out var runTimeTicks))
             {
-                item.RunTimeTicks = reader.GetInt64(index);
+                item.RunTimeTicks = runTimeTicks;
             }
 
-            index++;
-
-            if (!reader.IsDBNull(index))
+            if (reader.TryGetInt64(index++, out var size))
             {
-                item.Size = reader.GetInt64(index);
+                item.Size = size;
             }
 
-            index++;
-
             if (HasField(query, ItemFields.DateCreated))
             {
-                if (!reader.IsDBNull(index))
+                if (reader.TryReadDateTime(index++, out var dateCreated))
                 {
-                    item.DateCreated = reader[index].ReadDateTime();
+                    item.DateCreated = dateCreated;
                 }
-
-                index++;
             }
 
-            if (!reader.IsDBNull(index))
+            if (reader.TryReadDateTime(index++, out var dateModified))
             {
-                item.DateModified = reader[index].ReadDateTime();
+                item.DateModified = dateModified;
             }
 
-            index++;
-
-            item.Id = reader.GetGuid(index);
-            index++;
+            item.Id = reader.GetGuid(index++);
 
             if (HasField(query, ItemFields.Genres))
             {
-                if (!reader.IsDBNull(index))
+                if (reader.TryGetString(index++, out var genres))
                 {
-                    item.Genres = reader.GetString(index).Split('|', StringSplitOptions.RemoveEmptyEntries);
+                    item.Genres = genres.Split('|', StringSplitOptions.RemoveEmptyEntries);
                 }
-
-                index++;
             }
 
-            if (!reader.IsDBNull(index))
+            if (reader.TryGetGuid(index++, out var parentId))
             {
-                item.ParentId = reader.GetGuid(index);
+                item.ParentId = parentId;
             }
 
-            index++;
-
-            if (!reader.IsDBNull(index))
+            if (reader.TryGetString(index++, out var audioString))
             {
-                if (Enum.TryParse(reader.GetString(index), true, out ProgramAudio audio))
+                // TODO Span overload coming in the future https://github.com/dotnet/runtime/issues/1916
+                if (Enum.TryParse(audioString, true, out ProgramAudio audio))
                 {
                     item.Audio = audio;
                 }
             }
 
-            index++;
-
             // TODO: Even if not needed by apps, the server needs it internally
             // But get this excluded from contexts where it is not needed
             if (hasServiceName)
             {
                 if (item is LiveTvChannel liveTvChannel)
                 {
-                    if (!reader.IsDBNull(index))
+                    if (reader.TryGetString(index, out var serviceName))
                     {
-                        liveTvChannel.ServiceName = reader.GetString(index);
+                        liveTvChannel.ServiceName = serviceName;
                     }
                 }
 
                 index++;
             }
 
-            if (!reader.IsDBNull(index))
+            if (reader.TryGetBoolean(index++, out var isInMixedFolder))
             {
-                item.IsInMixedFolder = reader.GetBoolean(index);
+                item.IsInMixedFolder = isInMixedFolder;
             }
 
-            index++;
-
             if (HasField(query, ItemFields.DateLastSaved))
             {
-                if (!reader.IsDBNull(index))
+                if (reader.TryReadDateTime(index++, out var dateLastSaved))
                 {
-                    item.DateLastSaved = reader[index].ReadDateTime();
+                    item.DateLastSaved = dateLastSaved;
                 }
-
-                index++;
             }
 
             if (HasField(query, ItemFields.Settings))
             {
-                if (!reader.IsDBNull(index))
+                if (reader.TryGetString(index++, out var lockedFields))
                 {
                     IEnumerable<MetadataField> GetLockedFields(string s)
                     {
@@ -1650,37 +1607,31 @@ namespace Emby.Server.Implementations.Data
                         }
                     }
 
-                    item.LockedFields = GetLockedFields(reader.GetString(index)).ToArray();
+                    item.LockedFields = GetLockedFields(lockedFields).ToArray();
                 }
-
-                index++;
             }
 
             if (HasField(query, ItemFields.Studios))
             {
-                if (!reader.IsDBNull(index))
+                if (reader.TryGetString(index++, out var studios))
                 {
-                    item.Studios = reader.GetString(index).Split('|', StringSplitOptions.RemoveEmptyEntries);
+                    item.Studios = studios.Split('|', StringSplitOptions.RemoveEmptyEntries);
                 }
-
-                index++;
             }
 
             if (HasField(query, ItemFields.Tags))
             {
-                if (!reader.IsDBNull(index))
+                if (reader.TryGetString(index++, out var tags))
                 {
-                    item.Tags = reader.GetString(index).Split('|', StringSplitOptions.RemoveEmptyEntries);
+                    item.Tags = tags.Split('|', StringSplitOptions.RemoveEmptyEntries);
                 }
-
-                index++;
             }
 
             if (hasTrailerTypes)
             {
                 if (item is Trailer trailer)
                 {
-                    if (!reader.IsDBNull(index))
+                    if (reader.TryGetString(index, out var trailerTypes))
                     {
                         IEnumerable<TrailerType> GetTrailerTypes(string s)
                         {
@@ -1693,7 +1644,7 @@ namespace Emby.Server.Implementations.Data
                             }
                         }
 
-                        trailer.TrailerTypes = GetTrailerTypes(reader.GetString(index)).ToArray();
+                        trailer.TrailerTypes = GetTrailerTypes(trailerTypes).ToArray();
                     }
                 }
 
@@ -1702,19 +1653,17 @@ namespace Emby.Server.Implementations.Data
 
             if (HasField(query, ItemFields.OriginalTitle))
             {
-                if (!reader.IsDBNull(index))
+                if (reader.TryGetString(index++, out var originalTitle))
                 {
-                    item.OriginalTitle = reader.GetString(index);
+                    item.OriginalTitle = originalTitle;
                 }
-
-                index++;
             }
 
             if (item is Video video)
             {
-                if (!reader.IsDBNull(index))
+                if (reader.TryGetString(index, out var primaryVersionId))
                 {
-                    video.PrimaryVersionId = reader.GetString(index);
+                    video.PrimaryVersionId = primaryVersionId;
                 }
             }
 
@@ -1722,40 +1671,34 @@ namespace Emby.Server.Implementations.Data
 
             if (HasField(query, ItemFields.DateLastMediaAdded))
             {
-                if (item is Folder folder && !reader.IsDBNull(index))
+                if (item is Folder folder && reader.TryReadDateTime(index, out var dateLastMediaAdded))
                 {
-                    folder.DateLastMediaAdded = reader[index].TryReadDateTime();
+                    folder.DateLastMediaAdded = dateLastMediaAdded;
                 }
 
                 index++;
             }
 
-            if (!reader.IsDBNull(index))
+            if (reader.TryGetString(index++, out var album))
             {
-                item.Album = reader.GetString(index);
+                item.Album = album;
             }
 
-            index++;
-
-            if (!reader.IsDBNull(index))
+            if (reader.TryGetSingle(index++, out var criticRating))
             {
-                item.CriticRating = reader.GetFloat(index);
+                item.CriticRating = criticRating;
             }
 
-            index++;
-
-            if (!reader.IsDBNull(index))
+            if (reader.TryGetBoolean(index++, out var isVirtualItem))
             {
-                item.IsVirtualItem = reader.GetBoolean(index);
+                item.IsVirtualItem = isVirtualItem;
             }
 
-            index++;
-
             if (item is IHasSeries hasSeriesName)
             {
-                if (!reader.IsDBNull(index))
+                if (reader.TryGetString(index, out var seriesName))
                 {
-                    hasSeriesName.SeriesName = reader.GetString(index);
+                    hasSeriesName.SeriesName = seriesName;
                 }
             }
 
@@ -1765,15 +1708,15 @@ namespace Emby.Server.Implementations.Data
             {
                 if (item is Episode episode)
                 {
-                    if (!reader.IsDBNull(index))
+                    if (reader.TryGetString(index, out var seasonName))
                     {
-                        episode.SeasonName = reader.GetString(index);
+                        episode.SeasonName = seasonName;
                     }
 
                     index++;
-                    if (!reader.IsDBNull(index))
+                    if (reader.TryGetGuid(index, out var seasonId))
                     {
-                        episode.SeasonId = reader.GetGuid(index);
+                        episode.SeasonId = seasonId;
                     }
                 }
                 else
@@ -1789,9 +1732,9 @@ namespace Emby.Server.Implementations.Data
             {
                 if (hasSeries != null)
                 {
-                    if (!reader.IsDBNull(index))
+                    if (reader.TryGetGuid(index, out var seriesId))
                     {
-                        hasSeries.SeriesId = reader.GetGuid(index);
+                        hasSeries.SeriesId = seriesId;
                     }
                 }
 
@@ -1800,56 +1743,48 @@ namespace Emby.Server.Implementations.Data
 
             if (HasField(query, ItemFields.PresentationUniqueKey))
             {
-                if (!reader.IsDBNull(index))
+                if (reader.TryGetString(index++, out var presentationUniqueKey))
                 {
-                    item.PresentationUniqueKey = reader.GetString(index);
+                    item.PresentationUniqueKey = presentationUniqueKey;
                 }
-
-                index++;
             }
 
             if (HasField(query, ItemFields.InheritedParentalRatingValue))
             {
-                if (!reader.IsDBNull(index))
+                if (reader.TryGetInt32(index++, out var parentalRating))
                 {
-                    item.InheritedParentalRatingValue = reader.GetInt32(index);
+                    item.InheritedParentalRatingValue = parentalRating;
                 }
-
-                index++;
             }
 
             if (HasField(query, ItemFields.ExternalSeriesId))
             {
-                if (!reader.IsDBNull(index))
+                if (reader.TryGetString(index++, out var externalSeriesId))
                 {
-                    item.ExternalSeriesId = reader.GetString(index);
+                    item.ExternalSeriesId = externalSeriesId;
                 }
-
-                index++;
             }
 
             if (HasField(query, ItemFields.Taglines))
             {
-                if (!reader.IsDBNull(index))
+                if (reader.TryGetString(index++, out var tagLine))
                 {
-                    item.Tagline = reader.GetString(index);
+                    item.Tagline = tagLine;
                 }
-
-                index++;
             }
 
-            if (item.ProviderIds.Count == 0 && !reader.IsDBNull(index))
+            if (item.ProviderIds.Count == 0 && reader.TryGetString(index, out var providerIds))
             {
-                DeserializeProviderIds(reader.GetString(index), item);
+                DeserializeProviderIds(providerIds, item);
             }
 
             index++;
 
             if (query.DtoOptions.EnableImages)
             {
-                if (item.ImageInfos.Length == 0 && !reader.IsDBNull(index))
+                if (item.ImageInfos.Length == 0 && reader.TryGetString(index, out var imageInfos))
                 {
-                    item.ImageInfos = DeserializeImages(reader.GetString(index));
+                    item.ImageInfos = DeserializeImages(imageInfos);
                 }
 
                 index++;
@@ -1857,72 +1792,62 @@ namespace Emby.Server.Implementations.Data
 
             if (HasField(query, ItemFields.ProductionLocations))
             {
-                if (!reader.IsDBNull(index))
+                if (reader.TryGetString(index++, out var productionLocations))
                 {
-                    item.ProductionLocations = reader.GetString(index).Split('|', StringSplitOptions.RemoveEmptyEntries).ToArray();
+                    item.ProductionLocations = productionLocations.Split('|', StringSplitOptions.RemoveEmptyEntries);
                 }
-
-                index++;
             }
 
             if (HasField(query, ItemFields.ExtraIds))
             {
-                if (!reader.IsDBNull(index))
+                if (reader.TryGetString(index++, out var extraIds))
                 {
-                    item.ExtraIds = SplitToGuids(reader.GetString(index));
+                    item.ExtraIds = SplitToGuids(extraIds);
                 }
-
-                index++;
             }
 
-            if (!reader.IsDBNull(index))
+            if (reader.TryGetInt32(index++, out var totalBitrate))
             {
-                item.TotalBitrate = reader.GetInt32(index);
+                item.TotalBitrate = totalBitrate;
             }
 
-            index++;
-
-            if (!reader.IsDBNull(index))
+            if (reader.TryGetString(index++, out var extraTypeString))
             {
-                if (Enum.TryParse(reader.GetString(index), true, out ExtraType extraType))
+                if (Enum.TryParse(extraTypeString, true, out ExtraType extraType))
                 {
                     item.ExtraType = extraType;
                 }
             }
 
-            index++;
-
             if (hasArtistFields)
             {
-                if (item is IHasArtist hasArtists && !reader.IsDBNull(index))
+                if (item is IHasArtist hasArtists && reader.TryGetString(index, out var artists))
                 {
-                    hasArtists.Artists = reader.GetString(index).Split('|', StringSplitOptions.RemoveEmptyEntries);
+                    hasArtists.Artists = artists.Split('|', StringSplitOptions.RemoveEmptyEntries);
                 }
 
                 index++;
 
-                if (item is IHasAlbumArtist hasAlbumArtists && !reader.IsDBNull(index))
+                if (item is IHasAlbumArtist hasAlbumArtists && reader.TryGetString(index, out var albumArtists))
                 {
-                    hasAlbumArtists.AlbumArtists = reader.GetString(index).Split('|', StringSplitOptions.RemoveEmptyEntries);
+                    hasAlbumArtists.AlbumArtists = albumArtists.Split('|', StringSplitOptions.RemoveEmptyEntries);
                 }
 
                 index++;
             }
 
-            if (!reader.IsDBNull(index))
+            if (reader.TryGetString(index++, out var externalId))
             {
-                item.ExternalId = reader.GetString(index);
+                item.ExternalId = externalId;
             }
 
-            index++;
-
             if (HasField(query, ItemFields.SeriesPresentationUniqueKey))
             {
                 if (hasSeries != null)
                 {
-                    if (!reader.IsDBNull(index))
+                    if (reader.TryGetString(index, out var seriesPresentationUniqueKey))
                     {
-                        hasSeries.SeriesPresentationUniqueKey = reader.GetString(index);
+                        hasSeries.SeriesPresentationUniqueKey = seriesPresentationUniqueKey;
                     }
                 }
 
@@ -1931,21 +1856,19 @@ namespace Emby.Server.Implementations.Data
 
             if (enableProgramAttributes)
             {
-                if (item is LiveTvProgram program && !reader.IsDBNull(index))
+                if (item is LiveTvProgram program && reader.TryGetString(index, out var showId))
                 {
-                    program.ShowId = reader.GetString(index);
+                    program.ShowId = showId;
                 }
 
                 index++;
             }
 
-            if (!reader.IsDBNull(index))
+            if (reader.TryGetGuid(index, out var ownerId))
             {
-                item.OwnerId = reader.GetGuid(index);
+                item.OwnerId = ownerId;
             }
 
-            index++;
-
             return item;
         }
 
@@ -2025,21 +1948,21 @@ namespace Emby.Server.Implementations.Data
         /// <param name="reader">The reader.</param>
         /// <param name="item">The item.</param>
         /// <returns>ChapterInfo.</returns>
-        private ChapterInfo GetChapter(IReadOnlyList<IResultSetValue> reader, BaseItem item)
+        private ChapterInfo GetChapter(IReadOnlyList<ResultSetValue> reader, BaseItem item)
         {
             var chapter = new ChapterInfo
             {
                 StartPositionTicks = reader.GetInt64(0)
             };
 
-            if (!reader.IsDBNull(1))
+            if (reader.TryGetString(1, out var chapterName))
             {
-                chapter.Name = reader.GetString(1);
+                chapter.Name = chapterName;
             }
 
-            if (!reader.IsDBNull(2))
+            if (reader.TryGetString(2, out var imagePath))
             {
-                chapter.ImagePath = reader.GetString(2);
+                chapter.ImagePath = imagePath;
 
                 if (!string.IsNullOrEmpty(chapter.ImagePath))
                 {
@@ -2054,9 +1977,9 @@ namespace Emby.Server.Implementations.Data
                 }
             }
 
-            if (!reader.IsDBNull(3))
+            if (reader.TryReadDateTime(3, out var imageDateModified))
             {
-                chapter.ImageDateModified = reader[3].ReadDateTime();
+                chapter.ImageDateModified = imageDateModified;
             }
 
             return chapter;
@@ -2346,10 +2269,8 @@ namespace Emby.Server.Implementations.Data
             return query.IncludeItemTypes.Any(x => _seriesTypes.Contains(x));
         }
 
-        private List<string> GetFinalColumnsToSelect(InternalItemsQuery query, IEnumerable<string> startColumns)
+        private void SetFinalColumnsToSelect(InternalItemsQuery query, List<string> columns)
         {
-            var list = startColumns.ToList();
-
             foreach (var field in _allFields)
             {
                 if (!HasField(query, field))
@@ -2357,28 +2278,28 @@ namespace Emby.Server.Implementations.Data
                     switch (field)
                     {
                         case ItemFields.Settings:
-                            list.Remove("IsLocked");
-                            list.Remove("PreferredMetadataCountryCode");
-                            list.Remove("PreferredMetadataLanguage");
-                            list.Remove("LockedFields");
+                            columns.Remove("IsLocked");
+                            columns.Remove("PreferredMetadataCountryCode");
+                            columns.Remove("PreferredMetadataLanguage");
+                            columns.Remove("LockedFields");
                             break;
                         case ItemFields.ServiceName:
-                            list.Remove("ExternalServiceId");
+                            columns.Remove("ExternalServiceId");
                             break;
                         case ItemFields.SortName:
-                            list.Remove("ForcedSortName");
+                            columns.Remove("ForcedSortName");
                             break;
                         case ItemFields.Taglines:
-                            list.Remove("Tagline");
+                            columns.Remove("Tagline");
                             break;
                         case ItemFields.Tags:
-                            list.Remove("Tags");
+                            columns.Remove("Tags");
                             break;
                         case ItemFields.IsHD:
                             // do nothing
                             break;
                         default:
-                            list.Remove(field.ToString());
+                            columns.Remove(field.ToString());
                             break;
                     }
                 }
@@ -2386,60 +2307,60 @@ namespace Emby.Server.Implementations.Data
 
             if (!HasProgramAttributes(query))
             {
-                list.Remove("IsMovie");
-                list.Remove("IsSeries");
-                list.Remove("EpisodeTitle");
-                list.Remove("IsRepeat");
-                list.Remove("ShowId");
+                columns.Remove("IsMovie");
+                columns.Remove("IsSeries");
+                columns.Remove("EpisodeTitle");
+                columns.Remove("IsRepeat");
+                columns.Remove("ShowId");
             }
 
             if (!HasEpisodeAttributes(query))
             {
-                list.Remove("SeasonName");
-                list.Remove("SeasonId");
+                columns.Remove("SeasonName");
+                columns.Remove("SeasonId");
             }
 
             if (!HasStartDate(query))
             {
-                list.Remove("StartDate");
+                columns.Remove("StartDate");
             }
 
             if (!HasTrailerTypes(query))
             {
-                list.Remove("TrailerTypes");
+                columns.Remove("TrailerTypes");
             }
 
             if (!HasArtistFields(query))
             {
-                list.Remove("AlbumArtists");
-                list.Remove("Artists");
+                columns.Remove("AlbumArtists");
+                columns.Remove("Artists");
             }
 
             if (!HasSeriesFields(query))
             {
-                list.Remove("SeriesId");
+                columns.Remove("SeriesId");
             }
 
             if (!HasEpisodeAttributes(query))
             {
-                list.Remove("SeasonName");
-                list.Remove("SeasonId");
+                columns.Remove("SeasonName");
+                columns.Remove("SeasonId");
             }
 
             if (!query.DtoOptions.EnableImages)
             {
-                list.Remove("Images");
+                columns.Remove("Images");
             }
 
             if (EnableJoinUserData(query))
             {
-                list.Add("UserDatas.UserId");
-                list.Add("UserDatas.lastPlayedDate");
-                list.Add("UserDatas.playbackPositionTicks");
-                list.Add("UserDatas.playcount");
-                list.Add("UserDatas.isFavorite");
-                list.Add("UserDatas.played");
-                list.Add("UserDatas.rating");
+                columns.Add("UserDatas.UserId");
+                columns.Add("UserDatas.lastPlayedDate");
+                columns.Add("UserDatas.playbackPositionTicks");
+                columns.Add("UserDatas.playcount");
+                columns.Add("UserDatas.isFavorite");
+                columns.Add("UserDatas.played");
+                columns.Add("UserDatas.rating");
             }
 
             if (query.SimilarTo != null)
@@ -2487,7 +2408,7 @@ namespace Emby.Server.Implementations.Data
 
                 builder.Append(") as SimilarityScore");
 
-                list.Add(builder.ToString());
+                columns.Add(builder.ToString());
 
                 var oldLen = query.ExcludeItemIds.Length;
                 var newLen = oldLen + item.ExtraIds.Length + 1;
@@ -2514,10 +2435,8 @@ namespace Emby.Server.Implementations.Data
 
                 builder.Append(") as SearchScore");
 
-                list.Add(builder.ToString());
+                columns.Add(builder.ToString());
             }
-
-            return list;
         }
 
         private void BindSearchParams(InternalItemsQuery query, IStatement statement)
@@ -2583,31 +2502,25 @@ namespace Emby.Server.Implementations.Data
 
         private string GetGroupBy(InternalItemsQuery query)
         {
-            var groups = new List<string>();
-
-            if (EnableGroupByPresentationUniqueKey(query))
+            var enableGroupByPresentationUniqueKey = EnableGroupByPresentationUniqueKey(query);
+            if (enableGroupByPresentationUniqueKey && query.GroupBySeriesPresentationUniqueKey)
             {
-                groups.Add("PresentationUniqueKey");
+                return " Group by PresentationUniqueKey, SeriesPresentationUniqueKey";
             }
 
-            if (query.GroupBySeriesPresentationUniqueKey)
+            if (enableGroupByPresentationUniqueKey)
             {
-                groups.Add("SeriesPresentationUniqueKey");
+                return " Group by PresentationUniqueKey";
             }
 
-            if (groups.Count > 0)
+            if (query.GroupBySeriesPresentationUniqueKey)
             {
-                return " Group by " + string.Join(',', groups);
+                return " Group by SeriesPresentationUniqueKey";
             }
 
             return string.Empty;
         }
 
-        private string GetFromText(string alias = "A")
-        {
-            return " from TypedBaseItems " + alias;
-        }
-
         public int GetCount(InternalItemsQuery query)
         {
             if (query == null)
@@ -2625,17 +2538,21 @@ namespace Emby.Server.Implementations.Data
                 query.Limit = query.Limit.Value + 4;
             }
 
-            var commandText = "select "
-                              + string.Join(',', GetFinalColumnsToSelect(query, new[] { "count(distinct PresentationUniqueKey)" }))
-                              + GetFromText()
-                              + GetJoinUserDataText(query);
+            var columns = new List<string> { "count(distinct PresentationUniqueKey)" };
+            SetFinalColumnsToSelect(query, columns);
+            var commandTextBuilder = new StringBuilder("select ", 256)
+                .AppendJoin(',', columns)
+                .Append(FromText)
+                .Append(GetJoinUserDataText(query));
 
             var whereClauses = GetWhereClauses(query, null);
             if (whereClauses.Count != 0)
             {
-                commandText += " where " + string.Join(" AND ", whereClauses);
+                commandTextBuilder.Append(" where ")
+                    .AppendJoin(" AND ", whereClauses);
             }
 
+            var commandText = commandTextBuilder.ToString();
             int count;
             using (var connection = GetConnection(true))
             {
@@ -2677,20 +2594,23 @@ namespace Emby.Server.Implementations.Data
                 query.Limit = query.Limit.Value + 4;
             }
 
-            var commandText = "select "
-                            + string.Join(',', GetFinalColumnsToSelect(query, _retriveItemColumns))
-                            + GetFromText()
-                            + GetJoinUserDataText(query);
+            var columns = _retriveItemColumns.ToList();
+            SetFinalColumnsToSelect(query, columns);
+            var commandTextBuilder = new StringBuilder("select ", 1024)
+                .AppendJoin(',', columns)
+                .Append(FromText)
+                .Append(GetJoinUserDataText(query));
 
             var whereClauses = GetWhereClauses(query, null);
 
             if (whereClauses.Count != 0)
             {
-                commandText += " where " + string.Join(" AND ", whereClauses);
+                commandTextBuilder.Append(" where ")
+                    .AppendJoin(" AND ", whereClauses);
             }
 
-            commandText += GetGroupBy(query)
-                        + GetOrderByText(query);
+            commandTextBuilder.Append(GetGroupBy(query))
+                .Append(GetOrderByText(query));
 
             if (query.Limit.HasValue || query.StartIndex.HasValue)
             {
@@ -2698,15 +2618,18 @@ namespace Emby.Server.Implementations.Data
 
                 if (query.Limit.HasValue || offset > 0)
                 {
-                    commandText += " LIMIT " + (query.Limit ?? int.MaxValue).ToString(CultureInfo.InvariantCulture);
+                    commandTextBuilder.Append(" LIMIT ")
+                        .Append(query.Limit ?? int.MaxValue);
                 }
 
                 if (offset > 0)
                 {
-                    commandText += " OFFSET " + offset.ToString(CultureInfo.InvariantCulture);
+                    commandTextBuilder.Append(" OFFSET ")
+                        .Append(offset);
                 }
             }
 
+            var commandText = commandTextBuilder.ToString();
             var items = new List<BaseItem>();
             using (var connection = GetConnection(true))
             {
@@ -2862,20 +2785,27 @@ namespace Emby.Server.Implementations.Data
                 query.Limit = query.Limit.Value + 4;
             }
 
-            var commandText = "select "
-                            + string.Join(',', GetFinalColumnsToSelect(query, _retriveItemColumns))
-                            + GetFromText()
-                            + GetJoinUserDataText(query);
+            var columns = _retriveItemColumns.ToList();
+            SetFinalColumnsToSelect(query, columns);
+            var commandTextBuilder = new StringBuilder("select ", 512)
+                .AppendJoin(',', columns)
+                .Append(FromText)
+                .Append(GetJoinUserDataText(query));
 
             var whereClauses = GetWhereClauses(query, null);
 
             var whereText = whereClauses.Count == 0 ?
                 string.Empty :
-                " where " + string.Join(" AND ", whereClauses);
+                string.Join(" AND ", whereClauses);
 
-            commandText += whereText
-                        + GetGroupBy(query)
-                        + GetOrderByText(query);
+            if (!string.IsNullOrEmpty(whereText))
+            {
+                commandTextBuilder.Append(" where ")
+                    .Append(whereText);
+            }
+
+            commandTextBuilder.Append(GetGroupBy(query))
+                .Append(GetOrderByText(query));
 
             if (query.Limit.HasValue || query.StartIndex.HasValue)
             {
@@ -2883,43 +2813,58 @@ namespace Emby.Server.Implementations.Data
 
                 if (query.Limit.HasValue || offset > 0)
                 {
-                    commandText += " LIMIT " + (query.Limit ?? int.MaxValue).ToString(CultureInfo.InvariantCulture);
+                    commandTextBuilder.Append(" LIMIT ")
+                        .Append(query.Limit ?? int.MaxValue);
                 }
 
                 if (offset > 0)
                 {
-                    commandText += " OFFSET " + offset.ToString(CultureInfo.InvariantCulture);
+                    commandTextBuilder.Append(" OFFSET ")
+                        .Append(offset);
                 }
             }
 
             var isReturningZeroItems = query.Limit.HasValue && query.Limit <= 0;
 
-            var statementTexts = new List<string>();
+            var itemQuery = string.Empty;
+            var totalRecordCountQuery = string.Empty;
             if (!isReturningZeroItems)
             {
-                statementTexts.Add(commandText);
+                itemQuery = commandTextBuilder.ToString();
             }
 
             if (query.EnableTotalRecordCount)
             {
-                commandText = string.Empty;
+                commandTextBuilder.Clear();
+
+                commandTextBuilder.Append(" select ");
 
+                List<string> columnsToSelect;
                 if (EnableGroupByPresentationUniqueKey(query))
                 {
-                    commandText += " select " + string.Join(',', GetFinalColumnsToSelect(query, new[] { "count (distinct PresentationUniqueKey)" })) + GetFromText();
+                    columnsToSelect = new List<string> { "count (distinct PresentationUniqueKey)" };
                 }
                 else if (query.GroupBySeriesPresentationUniqueKey)
                 {
-                    commandText += " select " + string.Join(',', GetFinalColumnsToSelect(query, new[] { "count (distinct SeriesPresentationUniqueKey)" })) + GetFromText();
+                    columnsToSelect = new List<string> { "count (distinct SeriesPresentationUniqueKey)" };
                 }
                 else
                 {
-                    commandText += " select " + string.Join(',', GetFinalColumnsToSelect(query, new[] { "count (guid)" })) + GetFromText();
+                    columnsToSelect = new List<string> { "count (guid)" };
                 }
 
-                commandText += GetJoinUserDataText(query)
-                            + whereText;
-                statementTexts.Add(commandText);
+                SetFinalColumnsToSelect(query, columnsToSelect);
+
+                commandTextBuilder.AppendJoin(',', columnsToSelect)
+                    .Append(FromText)
+                    .Append(GetJoinUserDataText(query));
+                if (!string.IsNullOrEmpty(whereText))
+                {
+                    commandTextBuilder.Append(" where ")
+                        .Append(whereText);
+                }
+
+                totalRecordCountQuery = commandTextBuilder.ToString();
             }
 
             var list = new List<BaseItem>();
@@ -2929,11 +2874,12 @@ namespace Emby.Server.Implementations.Data
                 connection.RunInTransaction(
                 db =>
                 {
-                    var statements = PrepareAll(db, statementTexts);
+                    var itemQueryStatement = PrepareStatement(db, itemQuery);
+                    var totalRecordCountQueryStatement = PrepareStatement(db, totalRecordCountQuery);
 
                     if (!isReturningZeroItems)
                     {
-                        using (var statement = statements[0])
+                        using (var statement = itemQueryStatement)
                         {
                             if (EnableJoinUserData(query))
                             {
@@ -2963,11 +2909,14 @@ namespace Emby.Server.Implementations.Data
                                 }
                             }
                         }
+
+                        LogQueryTime("GetItems.ItemQuery", itemQuery, now);
                     }
 
+                    now = DateTime.UtcNow;
                     if (query.EnableTotalRecordCount)
                     {
-                        using (var statement = statements[statements.Length - 1])
+                        using (var statement = totalRecordCountQueryStatement)
                         {
                             if (EnableJoinUserData(query))
                             {
@@ -2982,11 +2931,12 @@ namespace Emby.Server.Implementations.Data
 
                             result.TotalRecordCount = statement.ExecuteQuery().SelectScalarInt().First();
                         }
+
+                        LogQueryTime("GetItems.TotalRecordCount", totalRecordCountQuery, now);
                     }
                 }, ReadTransactionMode);
             }
 
-            LogQueryTime("GetItems", commandText, now);
             result.Items = list;
             return result;
         }
@@ -3119,19 +3069,22 @@ namespace Emby.Server.Implementations.Data
 
             var now = DateTime.UtcNow;
 
-            var commandText = "select "
-                            + string.Join(',', GetFinalColumnsToSelect(query, new[] { "guid" }))
-                            + GetFromText()
-                            + GetJoinUserDataText(query);
+            var columns = new List<string> { "guid" };
+            SetFinalColumnsToSelect(query, columns);
+            var commandTextBuilder = new StringBuilder("select ", 256)
+                .AppendJoin(',', columns)
+                .Append(FromText)
+                .Append(GetJoinUserDataText(query));
 
             var whereClauses = GetWhereClauses(query, null);
             if (whereClauses.Count != 0)
             {
-                commandText += " where " + string.Join(" AND ", whereClauses);
+                commandTextBuilder.Append(" where ")
+                    .AppendJoin(" AND ", whereClauses);
             }
 
-            commandText += GetGroupBy(query)
-                        + GetOrderByText(query);
+            commandTextBuilder.Append(GetGroupBy(query))
+                .Append(GetOrderByText(query));
 
             if (query.Limit.HasValue || query.StartIndex.HasValue)
             {
@@ -3139,15 +3092,18 @@ namespace Emby.Server.Implementations.Data
 
                 if (query.Limit.HasValue || offset > 0)
                 {
-                    commandText += " LIMIT " + (query.Limit ?? int.MaxValue).ToString(CultureInfo.InvariantCulture);
+                    commandTextBuilder.Append(" LIMIT ")
+                        .Append(query.Limit ?? int.MaxValue);
                 }
 
                 if (offset > 0)
                 {
-                    commandText += " OFFSET " + offset.ToString(CultureInfo.InvariantCulture);
+                    commandTextBuilder.Append(" OFFSET ")
+                        .Append(offset);
                 }
             }
 
+            var commandText = commandTextBuilder.ToString();
             var list = new List<Guid>();
             using (var connection = GetConnection(true))
             {
@@ -3186,7 +3142,9 @@ namespace Emby.Server.Implementations.Data
 
             var now = DateTime.UtcNow;
 
-            var commandText = "select " + string.Join(',', GetFinalColumnsToSelect(query, new[] { "guid", "path" })) + GetFromText();
+            var columns = new List<string> { "guid", "path" };
+            SetFinalColumnsToSelect(query, columns);
+            var commandText = "select " + string.Join(',', columns) + FromText;
 
             var whereClauses = GetWhereClauses(query, null);
             if (whereClauses.Count != 0)
@@ -3228,12 +3186,8 @@ namespace Emby.Server.Implementations.Data
                     foreach (var row in statement.ExecuteQuery())
                     {
                         var id = row.GetGuid(0);
-                        string path = null;
 
-                        if (!row.IsDBNull(1))
-                        {
-                            path = row.GetString(1);
-                        }
+                        row.TryGetString(1, out var path);
 
                         list.Add(new Tuple<Guid, string>(id, path));
                     }
@@ -3266,9 +3220,11 @@ namespace Emby.Server.Implementations.Data
 
             var now = DateTime.UtcNow;
 
+            var columns = new List<string> { "guid" };
+            SetFinalColumnsToSelect(query, columns);
             var commandText = "select "
-                            + string.Join(',', GetFinalColumnsToSelect(query, new[] { "guid" }))
-                            + GetFromText()
+                            + string.Join(',', columns)
+                            + FromText
                             + GetJoinUserDataText(query);
 
             var whereClauses = GetWhereClauses(query, null);
@@ -3308,19 +3264,23 @@ namespace Emby.Server.Implementations.Data
             {
                 commandText = string.Empty;
 
+                List<string> columnsToSelect;
                 if (EnableGroupByPresentationUniqueKey(query))
                 {
-                    commandText += " select " + string.Join(',', GetFinalColumnsToSelect(query, new[] { "count (distinct PresentationUniqueKey)" })) + GetFromText();
+                    columnsToSelect = new List<string> { "count (distinct PresentationUniqueKey)" };
                 }
                 else if (query.GroupBySeriesPresentationUniqueKey)
                 {
-                    commandText += " select " + string.Join(',', GetFinalColumnsToSelect(query, new[] { "count (distinct SeriesPresentationUniqueKey)" })) + GetFromText();
+                    columnsToSelect = new List<string> { "count (distinct SeriesPresentationUniqueKey)" };
                 }
                 else
                 {
-                    commandText += " select " + string.Join(',', GetFinalColumnsToSelect(query, new[] { "count (guid)" })) + GetFromText();
+                    columnsToSelect = new List<string> { "count (guid)" };
                 }
 
+                SetFinalColumnsToSelect(query, columnsToSelect);
+                commandText += " select " + string.Join(',', columnsToSelect) + FromText;
+
                 commandText += GetJoinUserDataText(query)
                             + whereText;
                 statementTexts.Add(commandText);
@@ -4427,7 +4387,7 @@ namespace Emby.Server.Implementations.Data
                 whereClauses.Add(string.Join(" AND ", excludeIds));
             }
 
-            if (query.ExcludeProviderIds.Count > 0)
+            if (query.ExcludeProviderIds != null && query.ExcludeProviderIds.Count > 0)
             {
                 var excludeIds = new List<string>();
 
@@ -4457,7 +4417,7 @@ namespace Emby.Server.Implementations.Data
                 }
             }
 
-            if (query.HasAnyProviderId.Count > 0)
+            if (query.HasAnyProviderId != null && query.HasAnyProviderId.Count > 0)
             {
                 var hasProviderIds = new List<string>();
 
@@ -4515,56 +4475,50 @@ namespace Emby.Server.Implementations.Data
                 whereClauses.Add(GetProviderIdClause(query.HasTvdbId.Value, "tvdb"));
             }
 
-            var includedItemByNameTypes = GetItemByNameTypesInQuery(query);
-            var enableItemsByName = (query.IncludeItemsByName ?? false) && includedItemByNameTypes.Count > 0;
-
             var queryTopParentIds = query.TopParentIds;
 
-            if (queryTopParentIds.Length == 1)
+            if (queryTopParentIds.Length > 0)
             {
-                if (enableItemsByName && includedItemByNameTypes.Count == 1)
+                var includedItemByNameTypes = GetItemByNameTypesInQuery(query);
+                var enableItemsByName = (query.IncludeItemsByName ?? false) && includedItemByNameTypes.Count > 0;
+
+                if (queryTopParentIds.Length == 1)
                 {
-                    whereClauses.Add("(TopParentId=@TopParentId or Type=@IncludedItemByNameType)");
-                    if (statement != null)
+                    if (enableItemsByName && includedItemByNameTypes.Count == 1)
                     {
-                        statement.TryBind("@IncludedItemByNameType", includedItemByNameTypes[0]);
+                        whereClauses.Add("(TopParentId=@TopParentId or Type=@IncludedItemByNameType)");
+                        statement?.TryBind("@IncludedItemByNameType", includedItemByNameTypes[0]);
+                    }
+                    else if (enableItemsByName && includedItemByNameTypes.Count > 1)
+                    {
+                        var itemByNameTypeVal = string.Join(',', includedItemByNameTypes.Select(i => "'" + i + "'"));
+                        whereClauses.Add("(TopParentId=@TopParentId or Type in (" + itemByNameTypeVal + "))");
+                    }
+                    else
+                    {
+                        whereClauses.Add("(TopParentId=@TopParentId)");
                     }
-                }
-                else if (enableItemsByName && includedItemByNameTypes.Count > 1)
-                {
-                    var itemByNameTypeVal = string.Join(',', includedItemByNameTypes.Select(i => "'" + i + "'"));
-                    whereClauses.Add("(TopParentId=@TopParentId or Type in (" + itemByNameTypeVal + "))");
-                }
-                else
-                {
-                    whereClauses.Add("(TopParentId=@TopParentId)");
-                }
 
-                if (statement != null)
-                {
-                    statement.TryBind("@TopParentId", queryTopParentIds[0].ToString("N", CultureInfo.InvariantCulture));
+                    statement?.TryBind("@TopParentId", queryTopParentIds[0].ToString("N", CultureInfo.InvariantCulture));
                 }
-            }
-            else if (queryTopParentIds.Length > 1)
-            {
-                var val = string.Join(',', queryTopParentIds.Select(i => "'" + i.ToString("N", CultureInfo.InvariantCulture) + "'"));
-
-                if (enableItemsByName && includedItemByNameTypes.Count == 1)
+                else if (queryTopParentIds.Length > 1)
                 {
-                    whereClauses.Add("(Type=@IncludedItemByNameType or TopParentId in (" + val + "))");
-                    if (statement != null)
+                    var val = string.Join(',', queryTopParentIds.Select(i => "'" + i.ToString("N", CultureInfo.InvariantCulture) + "'"));
+
+                    if (enableItemsByName && includedItemByNameTypes.Count == 1)
                     {
-                        statement.TryBind("@IncludedItemByNameType", includedItemByNameTypes[0]);
+                        whereClauses.Add("(Type=@IncludedItemByNameType or TopParentId in (" + val + "))");
+                        statement?.TryBind("@IncludedItemByNameType", includedItemByNameTypes[0]);
+                    }
+                    else if (enableItemsByName && includedItemByNameTypes.Count > 1)
+                    {
+                        var itemByNameTypeVal = string.Join(',', includedItemByNameTypes.Select(i => "'" + i + "'"));
+                        whereClauses.Add("(Type in (" + itemByNameTypeVal + ") or TopParentId in (" + val + "))");
+                    }
+                    else
+                    {
+                        whereClauses.Add("TopParentId in (" + val + ")");
                     }
-                }
-                else if (enableItemsByName && includedItemByNameTypes.Count > 1)
-                {
-                    var itemByNameTypeVal = string.Join(',', includedItemByNameTypes.Select(i => "'" + i + "'"));
-                    whereClauses.Add("(Type in (" + itemByNameTypeVal + ") or TopParentId in (" + val + "))");
-                }
-                else
-                {
-                    whereClauses.Add("TopParentId in (" + val + ")");
                 }
             }
 
@@ -4846,17 +4800,12 @@ namespace Emby.Server.Implementations.Data
                 return true;
             }
 
-            var types = new[]
-            {
-                nameof(Episode),
-                nameof(Video),
-                nameof(Movie),
-                nameof(MusicVideo),
-                nameof(Series),
-                nameof(Season)
-            };
-
-            if (types.Any(i => query.IncludeItemTypes.Contains(i, StringComparer.OrdinalIgnoreCase)))
+            if (query.IncludeItemTypes.Contains(nameof(Episode), StringComparer.OrdinalIgnoreCase)
+                || query.IncludeItemTypes.Contains(nameof(Video), StringComparer.OrdinalIgnoreCase)
+                || query.IncludeItemTypes.Contains(nameof(Movie), StringComparer.OrdinalIgnoreCase)
+                || query.IncludeItemTypes.Contains(nameof(MusicVideo), StringComparer.OrdinalIgnoreCase)
+                || query.IncludeItemTypes.Contains(nameof(Series), StringComparer.OrdinalIgnoreCase)
+                || query.IncludeItemTypes.Contains(nameof(Season), StringComparer.OrdinalIgnoreCase))
             {
                 return true;
             }
@@ -5300,37 +5249,45 @@ AND Type = @InternalPersonType)");
 
             var now = DateTime.UtcNow;
 
-            var typeClause = itemValueTypes.Length == 1 ?
-                ("Type=" + itemValueTypes[0].ToString(CultureInfo.InvariantCulture)) :
-                ("Type in (" + string.Join(',', itemValueTypes.Select(i => i.ToString(CultureInfo.InvariantCulture))) + ")");
-
-            var commandText = "Select Value From ItemValues where " + typeClause;
+            var stringBuilder = new StringBuilder("Select Value From ItemValues where Type", 128);
+            if (itemValueTypes.Length == 1)
+            {
+                stringBuilder.Append('=')
+                    .Append(itemValueTypes[0]);
+            }
+            else
+            {
+                stringBuilder.Append(" in (")
+                    .AppendJoin(',', itemValueTypes)
+                    .Append(')');
+            }
 
             if (withItemTypes.Count > 0)
             {
-                var typeString = string.Join(',', withItemTypes.Select(i => "'" + i + "'"));
-                commandText += " AND ItemId In (select guid from typedbaseitems where type in (" + typeString + "))";
+                stringBuilder.Append(" AND ItemId In (select guid from typedbaseitems where type in (")
+                    .AppendJoinInSingleQuotes(',', withItemTypes)
+                    .Append("))");
             }
 
             if (excludeItemTypes.Count > 0)
             {
-                var typeString = string.Join(',', excludeItemTypes.Select(i => "'" + i + "'"));
-                commandText += " AND ItemId not In (select guid from typedbaseitems where type in (" + typeString + "))";
+                stringBuilder.Append(" AND ItemId not In (select guid from typedbaseitems where type in (")
+                    .AppendJoinInSingleQuotes(',', excludeItemTypes)
+                    .Append("))");
             }
 
-            commandText += " Group By CleanValue";
+            stringBuilder.Append(" Group By CleanValue");
+            var commandText = stringBuilder.ToString();
 
             var list = new List<string>();
             using (var connection = GetConnection(true))
+            using (var statement = PrepareStatement(connection, commandText))
             {
-                using (var statement = PrepareStatement(connection, commandText))
+                foreach (var row in statement.ExecuteQuery())
                 {
-                    foreach (var row in statement.ExecuteQuery())
+                    if (row.TryGetString(0, out var result))
                     {
-                        if (!row.IsDBNull(0))
-                        {
-                            list.Add(row.GetString(0));
-                        }
+                        list.Add(result);
                     }
                 }
             }
@@ -5356,18 +5313,19 @@ AND Type = @InternalPersonType)");
             var now = DateTime.UtcNow;
 
             var typeClause = itemValueTypes.Length == 1 ?
-                ("Type=" + itemValueTypes[0].ToString(CultureInfo.InvariantCulture)) :
-                ("Type in (" + string.Join(',', itemValueTypes.Select(i => i.ToString(CultureInfo.InvariantCulture))) + ")");
+                ("Type=" + itemValueTypes[0]) :
+                ("Type in (" + string.Join(',', itemValueTypes) + ")");
 
             InternalItemsQuery typeSubQuery = null;
 
-            Dictionary<string, string> itemCountColumns = null;
+            string itemCountColumns = null;
 
+            var stringBuilder = new StringBuilder(1024);
             var typesToCount = query.IncludeItemTypes;
 
             if (typesToCount.Length > 0)
             {
-                var itemCountColumnQuery = "select group_concat(type, '|')" + GetFromText("B");
+                stringBuilder.Append("(select group_concat(type, '|') from TypedBaseItems B");
 
                 typeSubQuery = new InternalItemsQuery(query.User)
                 {
@@ -5383,20 +5341,22 @@ AND Type = @InternalPersonType)");
                 };
                 var whereClauses = GetWhereClauses(typeSubQuery, null);
 
-                whereClauses.Add("guid in (select ItemId from ItemValues where ItemValues.CleanValue=A.CleanName AND " + typeClause + ")");
+                stringBuilder.Append(" where ")
+                    .AppendJoin(" AND ", whereClauses)
+                    .Append(" AND ")
+                    .Append("guid in (select ItemId from ItemValues where ItemValues.CleanValue=A.CleanName AND ")
+                    .Append(typeClause)
+                    .Append(")) as itemTypes");
 
-                itemCountColumnQuery += " where " + string.Join(" AND ", whereClauses);
-
-                itemCountColumns = new Dictionary<string, string>()
-                {
-                    { "itemTypes", "(" + itemCountColumnQuery + ") as itemTypes" }
-                };
+                itemCountColumns = stringBuilder.ToString();
+                stringBuilder.Clear();
             }
 
             List<string> columns = _retriveItemColumns.ToList();
-            if (itemCountColumns != null)
+            // Unfortunately we need to add it to columns to ensure the order of the columns in the select
+            if (!string.IsNullOrEmpty(itemCountColumns))
             {
-                columns.AddRange(itemCountColumns.Values);
+                columns.Add(itemCountColumns);
             }
 
             // do this first before calling GetFinalColumnsToSelect, otherwise ExcludeItemIds will be set by SimilarTo
@@ -5417,20 +5377,20 @@ AND Type = @InternalPersonType)");
                 IsSeries = query.IsSeries
             };
 
-            columns = GetFinalColumnsToSelect(query, columns);
-
-            var commandText = "select "
-                            + string.Join(',', columns)
-                            + GetFromText()
-                            + GetJoinUserDataText(query);
+            SetFinalColumnsToSelect(query, columns);
 
             var innerWhereClauses = GetWhereClauses(innerQuery, null);
 
-            var innerWhereText = innerWhereClauses.Count == 0 ?
-                string.Empty :
-                " where " + string.Join(" AND ", innerWhereClauses);
+            stringBuilder.Append(" where Type=@SelectType And CleanName In (Select CleanValue from ItemValues where ")
+                .Append(typeClause)
+                .Append(" AND ItemId in (select guid from TypedBaseItems");
+            if (innerWhereClauses.Count > 0)
+            {
+                stringBuilder.Append(" where ")
+                    .AppendJoin(" AND ", innerWhereClauses);
+            }
 
-            var whereText = " where Type=@SelectType And CleanName In (Select CleanValue from ItemValues where " + typeClause + " AND ItemId in (select guid from TypedBaseItems" + innerWhereText + "))";
+            stringBuilder.Append("))");
 
             var outerQuery = new InternalItemsQuery(query.User)
             {
@@ -5455,21 +5415,31 @@ AND Type = @InternalPersonType)");
             };
 
             var outerWhereClauses = GetWhereClauses(outerQuery, null);
-
             if (outerWhereClauses.Count != 0)
             {
-                whereText += " AND " + string.Join(" AND ", outerWhereClauses);
+                stringBuilder.Append(" AND ")
+                    .AppendJoin(" AND ", outerWhereClauses);
             }
 
-            commandText += whereText + " group by PresentationUniqueKey";
+            var whereText = stringBuilder.ToString();
+            stringBuilder.Clear();
 
-            if (query.SimilarTo != null || !string.IsNullOrEmpty(query.SearchTerm))
+            stringBuilder.Append("select ")
+                .AppendJoin(',', columns)
+                .Append(FromText)
+                .Append(GetJoinUserDataText(query))
+                .Append(whereText)
+                .Append(" group by PresentationUniqueKey");
+
+            if (query.OrderBy.Count != 0
+                || query.SimilarTo != null
+                || !string.IsNullOrEmpty(query.SearchTerm))
             {
-                commandText += GetOrderByText(query);
+                stringBuilder.Append(GetOrderByText(query));
             }
             else
             {
-                commandText += " order by SortName";
+                stringBuilder.Append(" order by SortName");
             }
 
             if (query.Limit.HasValue || query.StartIndex.HasValue)
@@ -5478,32 +5448,39 @@ AND Type = @InternalPersonType)");
 
                 if (query.Limit.HasValue || offset > 0)
                 {
-                    commandText += " LIMIT " + (query.Limit ?? int.MaxValue).ToString(CultureInfo.InvariantCulture);
+                    stringBuilder.Append(" LIMIT ")
+                        .Append(query.Limit ?? int.MaxValue);
                 }
 
                 if (offset > 0)
                 {
-                    commandText += " OFFSET " + offset.ToString(CultureInfo.InvariantCulture);
+                    stringBuilder.Append(" OFFSET ")
+                        .Append(offset);
                 }
             }
 
             var isReturningZeroItems = query.Limit.HasValue && query.Limit <= 0;
 
-            var statementTexts = new List<string>();
+            string commandText = string.Empty;
+
             if (!isReturningZeroItems)
             {
-                statementTexts.Add(commandText);
+                commandText = stringBuilder.ToString();
             }
 
+            string countText = string.Empty;
             if (query.EnableTotalRecordCount)
             {
-                var countText = "select "
-                            + string.Join(',', GetFinalColumnsToSelect(query, new[] { "count (distinct PresentationUniqueKey)" }))
-                            + GetFromText()
-                            + GetJoinUserDataText(query)
-                            + whereText;
+                stringBuilder.Clear();
+                var columnsToSelect = new List<string> { "count (distinct PresentationUniqueKey)" };
+                SetFinalColumnsToSelect(query, columnsToSelect);
+                stringBuilder.Append("select ")
+                    .AppendJoin(',', columnsToSelect)
+                    .Append(FromText)
+                    .Append(GetJoinUserDataText(query))
+                    .Append(whereText);
 
-                statementTexts.Add(countText);
+                countText = stringBuilder.ToString();
             }
 
             var list = new List<(BaseItem, ItemCounts)>();
@@ -5513,11 +5490,9 @@ AND Type = @InternalPersonType)");
                 connection.RunInTransaction(
                     db =>
                     {
-                        var statements = PrepareAll(db, statementTexts);
-
                         if (!isReturningZeroItems)
                         {
-                            using (var statement = statements[0])
+                            using (var statement = PrepareStatement(db, commandText))
                             {
                                 statement.TryBind("@SelectType", returnType);
                                 if (EnableJoinUserData(query))
@@ -5558,13 +5533,7 @@ AND Type = @InternalPersonType)");
 
                         if (query.EnableTotalRecordCount)
                         {
-                            commandText = "select "
-                                        + string.Join(',', GetFinalColumnsToSelect(query, new[] { "count (distinct PresentationUniqueKey)" }))
-                                        + GetFromText()
-                                        + GetJoinUserDataText(query)
-                                        + whereText;
-
-                            using (var statement = statements[statements.Length - 1])
+                            using (var statement = PrepareStatement(db, countText))
                             {
                                 statement.TryBind("@SelectType", returnType);
                                 if (EnableJoinUserData(query))
@@ -5601,7 +5570,7 @@ AND Type = @InternalPersonType)");
             return result;
         }
 
-        private ItemCounts GetItemCounts(IReadOnlyList<IResultSetValue> reader, int countStartColumn, string[] typesToCount)
+        private static ItemCounts GetItemCounts(IReadOnlyList<ResultSetValue> reader, int countStartColumn, string[] typesToCount)
         {
             var counts = new ItemCounts();
 
@@ -5610,51 +5579,43 @@ AND Type = @InternalPersonType)");
                 return counts;
             }
 
-            var typeString = reader.IsDBNull(countStartColumn) ? null : reader.GetString(countStartColumn);
-
-            if (string.IsNullOrWhiteSpace(typeString))
+            if (!reader.TryGetString(countStartColumn, out var typeString))
             {
                 return counts;
             }
 
-            var allTypes = typeString.Split('|', StringSplitOptions.RemoveEmptyEntries)
-                .ToLookup(x => x);
-
-            foreach (var type in allTypes)
+            foreach (var typeName in typeString.AsSpan().Split('|'))
             {
-                var value = type.Count();
-                var typeName = type.Key;
-
-                if (string.Equals(typeName, typeof(Series).FullName, StringComparison.OrdinalIgnoreCase))
+                if (typeName.Equals(typeof(Series).FullName, StringComparison.OrdinalIgnoreCase))
                 {
-                    counts.SeriesCount = value;
+                    counts.SeriesCount++;
                 }
-                else if (string.Equals(typeName, typeof(Episode).FullName, StringComparison.OrdinalIgnoreCase))
+                else if (typeName.Equals(typeof(Episode).FullName, StringComparison.OrdinalIgnoreCase))
                 {
-                    counts.EpisodeCount = value;
+                    counts.EpisodeCount++;
                 }
-                else if (string.Equals(typeName, typeof(Movie).FullName, StringComparison.OrdinalIgnoreCase))
+                else if (typeName.Equals(typeof(Movie).FullName, StringComparison.OrdinalIgnoreCase))
                 {
-                    counts.MovieCount = value;
+                    counts.MovieCount++;
                 }
-                else if (string.Equals(typeName, typeof(MusicAlbum).FullName, StringComparison.OrdinalIgnoreCase))
+                else if (typeName.Equals(typeof(MusicAlbum).FullName, StringComparison.OrdinalIgnoreCase))
                 {
-                    counts.AlbumCount = value;
+                    counts.AlbumCount++;
                 }
-                else if (string.Equals(typeName, typeof(MusicArtist).FullName, StringComparison.OrdinalIgnoreCase))
+                else if (typeName.Equals(typeof(MusicArtist).FullName, StringComparison.OrdinalIgnoreCase))
                 {
-                    counts.ArtistCount = value;
+                    counts.ArtistCount++;
                 }
-                else if (string.Equals(typeName, typeof(Audio).FullName, StringComparison.OrdinalIgnoreCase))
+                else if (typeName.Equals(typeof(Audio).FullName, StringComparison.OrdinalIgnoreCase))
                 {
-                    counts.SongCount = value;
+                    counts.SongCount++;
                 }
-                else if (string.Equals(typeName, typeof(Trailer).FullName, StringComparison.OrdinalIgnoreCase))
+                else if (typeName.Equals(typeof(Trailer).FullName, StringComparison.OrdinalIgnoreCase))
                 {
-                    counts.TrailerCount = value;
+                    counts.TrailerCount++;
                 }
 
-                counts.ItemCount += value;
+                counts.ItemCount++;
             }
 
             return counts;
@@ -5840,7 +5801,7 @@ AND Type = @InternalPersonType)");
             }
         }
 
-        private PersonInfo GetPerson(IReadOnlyList<IResultSetValue> reader)
+        private PersonInfo GetPerson(IReadOnlyList<ResultSetValue> reader)
         {
             var item = new PersonInfo
             {
@@ -5848,19 +5809,19 @@ AND Type = @InternalPersonType)");
                 Name = reader.GetString(1)
             };
 
-            if (!reader.IsDBNull(2))
+            if (reader.TryGetString(2, out var role))
             {
-                item.Role = reader.GetString(2);
+                item.Role = role;
             }
 
-            if (!reader.IsDBNull(3))
+            if (reader.TryGetString(3, out var type))
             {
-                item.Type = reader.GetString(3);
+                item.Type = type;
             }
 
-            if (!reader.IsDBNull(4))
+            if (reader.TryGetInt32(4, out var sortOrder))
             {
-                item.SortOrder = reader.GetInt32(4);
+                item.SortOrder = sortOrder;
             }
 
             return item;
@@ -6047,7 +6008,7 @@ AND Type = @InternalPersonType)");
         /// </summary>
         /// <param name="reader">The reader.</param>
         /// <returns>ChapterInfo.</returns>
-        private MediaStream GetMediaStream(IReadOnlyList<IResultSetValue> reader)
+        private MediaStream GetMediaStream(IReadOnlyList<ResultSetValue> reader)
         {
             var item = new MediaStream
             {
@@ -6056,150 +6017,150 @@ AND Type = @InternalPersonType)");
 
             item.Type = Enum.Parse<MediaStreamType>(reader[2].ToString(), true);
 
-            if (reader[3].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetString(3, out var codec))
             {
-                item.Codec = reader[3].ToString();
+                item.Codec = codec;
             }
 
-            if (reader[4].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetString(4, out var language))
             {
-                item.Language = reader[4].ToString();
+                item.Language = language;
             }
 
-            if (reader[5].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetString(5, out var channelLayout))
             {
-                item.ChannelLayout = reader[5].ToString();
+                item.ChannelLayout = channelLayout;
             }
 
-            if (reader[6].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetString(6, out var profile))
             {
-                item.Profile = reader[6].ToString();
+                item.Profile = profile;
             }
 
-            if (reader[7].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetString(7, out var aspectRatio))
             {
-                item.AspectRatio = reader[7].ToString();
+                item.AspectRatio = aspectRatio;
             }
 
-            if (reader[8].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetString(8, out var path))
             {
-                item.Path = RestorePath(reader[8].ToString());
+                item.Path = RestorePath(path);
             }
 
             item.IsInterlaced = reader.GetBoolean(9);
 
-            if (reader[10].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetInt32(10, out var bitrate))
             {
-                item.BitRate = reader.GetInt32(10);
+                item.BitRate = bitrate;
             }
 
-            if (reader[11].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetInt32(11, out var channels))
             {
-                item.Channels = reader.GetInt32(11);
+                item.Channels = channels;
             }
 
-            if (reader[12].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetInt32(12, out var sampleRate))
             {
-                item.SampleRate = reader.GetInt32(12);
+                item.SampleRate = sampleRate;
             }
 
             item.IsDefault = reader.GetBoolean(13);
             item.IsForced = reader.GetBoolean(14);
             item.IsExternal = reader.GetBoolean(15);
 
-            if (reader[16].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetInt32(16, out var width))
             {
-                item.Width = reader.GetInt32(16);
+                item.Width = width;
             }
 
-            if (reader[17].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetInt32(17, out var height))
             {
-                item.Height = reader.GetInt32(17);
+                item.Height = height;
             }
 
-            if (reader[18].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetSingle(18, out var averageFrameRate))
             {
-                item.AverageFrameRate = reader.GetFloat(18);
+                item.AverageFrameRate = averageFrameRate;
             }
 
-            if (reader[19].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetSingle(19, out var realFrameRate))
             {
-                item.RealFrameRate = reader.GetFloat(19);
+                item.RealFrameRate = realFrameRate;
             }
 
-            if (reader[20].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetSingle(20, out var level))
             {
-                item.Level = reader.GetFloat(20);
+                item.Level = level;
             }
 
-            if (reader[21].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetString(21, out var pixelFormat))
             {
-                item.PixelFormat = reader[21].ToString();
+                item.PixelFormat = pixelFormat;
             }
 
-            if (reader[22].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetInt32(22, out var bitDepth))
             {
-                item.BitDepth = reader.GetInt32(22);
+                item.BitDepth = bitDepth;
             }
 
-            if (reader[23].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetBoolean(23, out var isAnamorphic))
             {
-                item.IsAnamorphic = reader.GetBoolean(23);
+                item.IsAnamorphic = isAnamorphic;
             }
 
-            if (reader[24].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetInt32(24, out var refFrames))
             {
-                item.RefFrames = reader.GetInt32(24);
+                item.RefFrames = refFrames;
             }
 
-            if (reader[25].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetString(25, out var codecTag))
             {
-                item.CodecTag = reader.GetString(25);
+                item.CodecTag = codecTag;
             }
 
-            if (reader[26].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetString(26, out var comment))
             {
-                item.Comment = reader.GetString(26);
+                item.Comment = comment;
             }
 
-            if (reader[27].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetString(27, out var nalLengthSize))
             {
-                item.NalLengthSize = reader.GetString(27);
+                item.NalLengthSize = nalLengthSize;
             }
 
-            if (reader[28].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetBoolean(28, out var isAVC))
             {
-                item.IsAVC = reader[28].ToBool();
+                item.IsAVC = isAVC;
             }
 
-            if (reader[29].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetString(29, out var title))
             {
-                item.Title = reader[29].ToString();
+                item.Title = title;
             }
 
-            if (reader[30].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetString(30, out var timeBase))
             {
-                item.TimeBase = reader[30].ToString();
+                item.TimeBase = timeBase;
             }
 
-            if (reader[31].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetString(31, out var codecTimeBase))
             {
-                item.CodecTimeBase = reader[31].ToString();
+                item.CodecTimeBase = codecTimeBase;
             }
 
-            if (reader[32].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetString(32, out var colorPrimaries))
             {
-                item.ColorPrimaries = reader[32].ToString();
+                item.ColorPrimaries = colorPrimaries;
             }
 
-            if (reader[33].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetString(33, out var colorSpace))
             {
-                item.ColorSpace = reader[33].ToString();
+                item.ColorSpace = colorSpace;
             }
 
-            if (reader[34].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetString(34, out var colorTransfer))
             {
-                item.ColorTransfer = reader[34].ToString();
+                item.ColorTransfer = colorTransfer;
             }
 
             if (item.Type == MediaStreamType.Subtitle)
@@ -6348,36 +6309,36 @@ AND Type = @InternalPersonType)");
         /// </summary>
         /// <param name="reader">The reader.</param>
         /// <returns>MediaAttachment.</returns>
-        private MediaAttachment GetMediaAttachment(IReadOnlyList<IResultSetValue> reader)
+        private MediaAttachment GetMediaAttachment(IReadOnlyList<ResultSetValue> reader)
         {
             var item = new MediaAttachment
             {
                 Index = reader[1].ToInt()
             };
 
-            if (reader[2].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetString(2, out var codec))
             {
-                item.Codec = reader[2].ToString();
+                item.Codec = codec;
             }
 
-            if (reader[2].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetString(3, out var codecTag))
             {
-                item.CodecTag = reader[3].ToString();
+                item.CodecTag = codecTag;
             }
 
-            if (reader[4].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetString(4, out var comment))
             {
-                item.Comment = reader[4].ToString();
+                item.Comment = comment;
             }
 
-            if (reader[6].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetString(5, out var fileName))
             {
-                item.FileName = reader[5].ToString();
+                item.FileName = fileName;
             }
 
-            if (reader[6].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetString(6, out var mimeType))
             {
-                item.MimeType = reader[6].ToString();
+                item.MimeType = mimeType;
             }
 
             return item;
diff --git a/Emby.Server.Implementations/Data/SqliteUserDataRepository.cs b/Emby.Server.Implementations/Data/SqliteUserDataRepository.cs
index 6574db607..ef9af1dcd 100644
--- a/Emby.Server.Implementations/Data/SqliteUserDataRepository.cs
+++ b/Emby.Server.Implementations/Data/SqliteUserDataRepository.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
@@ -348,16 +350,16 @@ namespace Emby.Server.Implementations.Data
         /// Read a row from the specified reader into the provided userData object.
         /// </summary>
         /// <param name="reader"></param>
-        private UserItemData ReadRow(IReadOnlyList<IResultSetValue> reader)
+        private UserItemData ReadRow(IReadOnlyList<ResultSetValue> reader)
         {
             var userData = new UserItemData();
 
             userData.Key = reader[0].ToString();
             // userData.UserId = reader[1].ReadGuidFromBlob();
 
-            if (reader[2].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetDouble(2, out var rating))
             {
-                userData.Rating = reader[2].ToDouble();
+                userData.Rating = rating;
             }
 
             userData.Played = reader[3].ToBool();
@@ -365,19 +367,19 @@ namespace Emby.Server.Implementations.Data
             userData.IsFavorite = reader[5].ToBool();
             userData.PlaybackPositionTicks = reader[6].ToInt64();
 
-            if (reader[7].SQLiteType != SQLiteType.Null)
+            if (reader.TryReadDateTime(7, out var lastPlayedDate))
             {
-                userData.LastPlayedDate = reader[7].TryReadDateTime();
+                userData.LastPlayedDate = lastPlayedDate;
             }
 
-            if (reader[8].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetInt32(8, out var audioStreamIndex))
             {
-                userData.AudioStreamIndex = reader[8].ToInt();
+                userData.AudioStreamIndex = audioStreamIndex;
             }
 
-            if (reader[9].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetInt32(9, out var subtitleStreamIndex))
             {
-                userData.SubtitleStreamIndex = reader[9].ToInt();
+                userData.SubtitleStreamIndex = subtitleStreamIndex;
             }
 
             return userData;
diff --git a/Emby.Server.Implementations/Data/TypeMapper.cs b/Emby.Server.Implementations/Data/TypeMapper.cs
index 7044b1d19..064664e1f 100644
--- a/Emby.Server.Implementations/Data/TypeMapper.cs
+++ b/Emby.Server.Implementations/Data/TypeMapper.cs
@@ -13,7 +13,7 @@ namespace Emby.Server.Implementations.Data
         /// This holds all the types in the running assemblies
         /// so that we can de-serialize properly when we don't have strong types.
         /// </summary>
-        private readonly ConcurrentDictionary<string, Type> _typeMap = new ConcurrentDictionary<string, Type>();
+        private readonly ConcurrentDictionary<string, Type?> _typeMap = new ConcurrentDictionary<string, Type?>();
 
         /// <summary>
         /// Gets the type.
@@ -21,26 +21,16 @@ namespace Emby.Server.Implementations.Data
         /// <param name="typeName">Name of the type.</param>
         /// <returns>Type.</returns>
         /// <exception cref="ArgumentNullException"><c>typeName</c> is null.</exception>
-        public Type GetType(string typeName)
+        public Type? GetType(string typeName)
         {
             if (string.IsNullOrEmpty(typeName))
             {
                 throw new ArgumentNullException(nameof(typeName));
             }
 
-            return _typeMap.GetOrAdd(typeName, LookupType);
-        }
-
-        /// <summary>
-        /// Lookups the type.
-        /// </summary>
-        /// <param name="typeName">Name of the type.</param>
-        /// <returns>Type.</returns>
-        private Type LookupType(string typeName)
-        {
-            return AppDomain.CurrentDomain.GetAssemblies()
-                .Select(a => a.GetType(typeName))
-                .FirstOrDefault(t => t != null);
+            return _typeMap.GetOrAdd(typeName, k => AppDomain.CurrentDomain.GetAssemblies()
+                .Select(a => a.GetType(k))
+                .FirstOrDefault(t => t != null));
         }
     }
 }
diff --git a/Emby.Server.Implementations/Devices/DeviceId.cs b/Emby.Server.Implementations/Devices/DeviceId.cs
index fa6ac95fd..3d15b3e76 100644
--- a/Emby.Server.Implementations/Devices/DeviceId.cs
+++ b/Emby.Server.Implementations/Devices/DeviceId.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/Devices/DeviceManager.cs b/Emby.Server.Implementations/Devices/DeviceManager.cs
index da5047d24..2637addce 100644
--- a/Emby.Server.Implementations/Devices/DeviceManager.cs
+++ b/Emby.Server.Implementations/Devices/DeviceManager.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/Dto/DtoService.cs b/Emby.Server.Implementations/Dto/DtoService.cs
index 4ae35039a..7411239a1 100644
--- a/Emby.Server.Implementations/Dto/DtoService.cs
+++ b/Emby.Server.Implementations/Dto/DtoService.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/Emby.Server.Implementations.csproj b/Emby.Server.Implementations/Emby.Server.Implementations.csproj
index b8a544b8c..4c9e05821 100644
--- a/Emby.Server.Implementations/Emby.Server.Implementations.csproj
+++ b/Emby.Server.Implementations/Emby.Server.Implementations.csproj
@@ -9,6 +9,7 @@
     <ProjectReference Include="..\Emby.Naming\Emby.Naming.csproj" />
     <ProjectReference Include="..\Emby.Notifications\Emby.Notifications.csproj" />
     <ProjectReference Include="..\Jellyfin.Api\Jellyfin.Api.csproj" />
+    <ProjectReference Include="..\Jellyfin.Server.Implementations\Jellyfin.Server.Implementations.csproj" />
     <ProjectReference Include="..\MediaBrowser.Model\MediaBrowser.Model.csproj" />
     <ProjectReference Include="..\MediaBrowser.Common\MediaBrowser.Common.csproj" />
     <ProjectReference Include="..\MediaBrowser.Controller\MediaBrowser.Controller.csproj" />
@@ -23,15 +24,15 @@
 
   <ItemGroup>
     <PackageReference Include="Jellyfin.XmlTv" Version="10.6.2" />
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="5.0.1" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="5.0.2" />
     <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="5.0.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="5.0.0" />
     <PackageReference Include="Microsoft.Extensions.Hosting.Abstractions" Version="5.0.0" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="5.0.3" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="5.0.8" />
     <PackageReference Include="Mono.Nat" Version="3.0.1" />
-    <PackageReference Include="prometheus-net.DotNetRuntime" Version="4.0.0" />
-    <PackageReference Include="sharpcompress" Version="0.28.2" />
-    <PackageReference Include="SQLitePCL.pretty.netstandard" Version="2.2.0" />
+    <PackageReference Include="prometheus-net.DotNetRuntime" Version="4.1.0" />
+    <PackageReference Include="sharpcompress" Version="0.28.3" />
+    <PackageReference Include="SQLitePCL.pretty.netstandard" Version="3.1.0" />
     <PackageReference Include="DotNet.Glob" Version="3.1.2" />
   </ItemGroup>
 
@@ -43,11 +44,13 @@
     <TargetFramework>net5.0</TargetFramework>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
-    <TreatWarningsAsErrors Condition=" '$(Configuration)' == 'Release'">true</TreatWarningsAsErrors>
     <!-- https://github.com/microsoft/ApplicationInsights-dotnet/issues/2047 -->
     <NoWarn>AD0001</NoWarn>
-    <AnalysisMode Condition=" '$(Configuration)' == 'Debug' ">AllEnabledByDefault</AnalysisMode>
-    <CodeAnalysisRuleSet>../jellyfin.ruleset</CodeAnalysisRuleSet>
+    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
+  </PropertyGroup>
+
+  <PropertyGroup Condition=" '$(Configuration)' == 'Release'">
+    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
   </PropertyGroup>
 
   <!-- Code Analyzers-->
diff --git a/Emby.Server.Implementations/EntryPoints/ExternalPortForwarding.cs b/Emby.Server.Implementations/EntryPoints/ExternalPortForwarding.cs
index 14201ead2..0a4efd73c 100644
--- a/Emby.Server.Implementations/EntryPoints/ExternalPortForwarding.cs
+++ b/Emby.Server.Implementations/EntryPoints/ExternalPortForwarding.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
@@ -106,8 +108,6 @@ namespace Emby.Server.Implementations.EntryPoints
             NatUtility.StartDiscovery();
 
             _timer = new Timer((_) => _createdRules.Clear(), null, TimeSpan.FromMinutes(10), TimeSpan.FromMinutes(10));
-
-            _deviceDiscovery.DeviceDiscovered += OnDeviceDiscoveryDeviceDiscovered;
         }
 
         private void Stop()
@@ -118,13 +118,6 @@ namespace Emby.Server.Implementations.EntryPoints
             NatUtility.DeviceFound -= OnNatUtilityDeviceFound;
 
             _timer?.Dispose();
-
-            _deviceDiscovery.DeviceDiscovered -= OnDeviceDiscoveryDeviceDiscovered;
-        }
-
-        private void OnDeviceDiscoveryDeviceDiscovered(object sender, GenericEventArgs<UpnpDeviceInfo> e)
-        {
-            NatUtility.Search(e.Argument.LocalIpAddress, NatProtocol.Upnp);
         }
 
         private async void OnNatUtilityDeviceFound(object sender, DeviceEventArgs e)
diff --git a/Emby.Server.Implementations/EntryPoints/LibraryChangedNotifier.cs b/Emby.Server.Implementations/EntryPoints/LibraryChangedNotifier.cs
index ae1b51b4c..5bb4100ba 100644
--- a/Emby.Server.Implementations/EntryPoints/LibraryChangedNotifier.cs
+++ b/Emby.Server.Implementations/EntryPoints/LibraryChangedNotifier.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/EntryPoints/RecordingNotifier.cs b/Emby.Server.Implementations/EntryPoints/RecordingNotifier.cs
index 824bb85f4..e0ca02d98 100644
--- a/Emby.Server.Implementations/EntryPoints/RecordingNotifier.cs
+++ b/Emby.Server.Implementations/EntryPoints/RecordingNotifier.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/EntryPoints/UdpServerEntryPoint.cs b/Emby.Server.Implementations/EntryPoints/UdpServerEntryPoint.cs
index 3624e079f..2e72b18f5 100644
--- a/Emby.Server.Implementations/EntryPoints/UdpServerEntryPoint.cs
+++ b/Emby.Server.Implementations/EntryPoints/UdpServerEntryPoint.cs
@@ -1,5 +1,3 @@
-#nullable enable
-
 using System;
 using System.Net.Sockets;
 using System.Threading;
@@ -56,8 +54,8 @@ namespace Emby.Server.Implementations.EntryPoints
 
             try
             {
-                _udpServer = new UdpServer(_logger, _appHost, _config);
-                _udpServer.Start(PortNumber, _cancellationTokenSource.Token);
+                _udpServer = new UdpServer(_logger, _appHost, _config, PortNumber);
+                _udpServer.Start(_cancellationTokenSource.Token);
             }
             catch (SocketException ex)
             {
diff --git a/Emby.Server.Implementations/EntryPoints/UserDataChangeNotifier.cs b/Emby.Server.Implementations/EntryPoints/UserDataChangeNotifier.cs
index 1989e9ed2..d3bcd5e13 100644
--- a/Emby.Server.Implementations/EntryPoints/UserDataChangeNotifier.cs
+++ b/Emby.Server.Implementations/EntryPoints/UserDataChangeNotifier.cs
@@ -26,7 +26,7 @@ namespace Emby.Server.Implementations.EntryPoints
         private readonly Dictionary<Guid, List<BaseItem>> _changedItems = new Dictionary<Guid, List<BaseItem>>();
 
         private readonly object _syncLock = new object();
-        private Timer _updateTimer;
+        private Timer? _updateTimer;
 
         public UserDataChangeNotifier(IUserDataManager userDataManager, ISessionManager sessionManager, IUserManager userManager)
         {
@@ -42,7 +42,7 @@ namespace Emby.Server.Implementations.EntryPoints
             return Task.CompletedTask;
         }
 
-        void OnUserDataManagerUserDataSaved(object sender, UserDataSaveEventArgs e)
+        private void OnUserDataManagerUserDataSaved(object? sender, UserDataSaveEventArgs e)
         {
             if (e.SaveReason == UserDataSaveReason.PlaybackProgress)
             {
@@ -64,7 +64,7 @@ namespace Emby.Server.Implementations.EntryPoints
                     _updateTimer.Change(UpdateDuration, Timeout.Infinite);
                 }
 
-                if (!_changedItems.TryGetValue(e.UserId, out List<BaseItem> keys))
+                if (!_changedItems.TryGetValue(e.UserId, out List<BaseItem>? keys))
                 {
                     keys = new List<BaseItem>();
                     _changedItems[e.UserId] = keys;
@@ -87,7 +87,7 @@ namespace Emby.Server.Implementations.EntryPoints
             }
         }
 
-        private void UpdateTimerCallback(object state)
+        private void UpdateTimerCallback(object? state)
         {
             lock (_syncLock)
             {
diff --git a/Emby.Server.Implementations/HttpServer/Security/AuthorizationContext.cs b/Emby.Server.Implementations/HttpServer/Security/AuthorizationContext.cs
index 024404ceb..488614609 100644
--- a/Emby.Server.Implementations/HttpServer/Security/AuthorizationContext.cs
+++ b/Emby.Server.Implementations/HttpServer/Security/AuthorizationContext.cs
@@ -2,8 +2,8 @@
 
 using System;
 using System.Collections.Generic;
-using System.Linq;
 using System.Net;
+using Jellyfin.Extensions;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Net;
 using MediaBrowser.Controller.Security;
@@ -27,7 +27,7 @@ namespace Emby.Server.Implementations.HttpServer.Security
         {
             if (requestContext.Request.HttpContext.Items.TryGetValue("AuthorizationInfo", out var cached))
             {
-                return (AuthorizationInfo)cached;
+                return (AuthorizationInfo)cached!; // Cache should never contain null
             }
 
             return GetAuthorization(requestContext);
@@ -55,15 +55,15 @@ namespace Emby.Server.Implementations.HttpServer.Security
         }
 
         private AuthorizationInfo GetAuthorizationInfoFromDictionary(
-            in Dictionary<string, string> auth,
+            in Dictionary<string, string>? auth,
             in IHeaderDictionary headers,
             in IQueryCollection queryString)
         {
-            string deviceId = null;
-            string device = null;
-            string client = null;
-            string version = null;
-            string token = null;
+            string? deviceId = null;
+            string? device = null;
+            string? client = null;
+            string? version = null;
+            string? token = null;
 
             if (auth != null)
             {
@@ -206,7 +206,7 @@ namespace Emby.Server.Implementations.HttpServer.Security
         /// </summary>
         /// <param name="httpReq">The HTTP req.</param>
         /// <returns>Dictionary{System.StringSystem.String}.</returns>
-        private Dictionary<string, string> GetAuthorizationDictionary(HttpContext httpReq)
+        private Dictionary<string, string>? GetAuthorizationDictionary(HttpContext httpReq)
         {
             var auth = httpReq.Request.Headers["X-Emby-Authorization"];
 
@@ -215,7 +215,7 @@ namespace Emby.Server.Implementations.HttpServer.Security
                 auth = httpReq.Request.Headers[HeaderNames.Authorization];
             }
 
-            return GetAuthorization(auth);
+            return GetAuthorization(auth.Count > 0 ? auth[0] : null);
         }
 
         /// <summary>
@@ -223,7 +223,7 @@ namespace Emby.Server.Implementations.HttpServer.Security
         /// </summary>
         /// <param name="httpReq">The HTTP req.</param>
         /// <returns>Dictionary{System.StringSystem.String}.</returns>
-        private Dictionary<string, string> GetAuthorizationDictionary(HttpRequest httpReq)
+        private Dictionary<string, string>? GetAuthorizationDictionary(HttpRequest httpReq)
         {
             var auth = httpReq.Headers["X-Emby-Authorization"];
 
@@ -232,7 +232,7 @@ namespace Emby.Server.Implementations.HttpServer.Security
                 auth = httpReq.Headers[HeaderNames.Authorization];
             }
 
-            return GetAuthorization(auth);
+            return GetAuthorization(auth.Count > 0 ? auth[0] : null);
         }
 
         /// <summary>
@@ -240,43 +240,43 @@ namespace Emby.Server.Implementations.HttpServer.Security
         /// </summary>
         /// <param name="authorizationHeader">The authorization header.</param>
         /// <returns>Dictionary{System.StringSystem.String}.</returns>
-        private Dictionary<string, string> GetAuthorization(string authorizationHeader)
+        private Dictionary<string, string>? GetAuthorization(ReadOnlySpan<char> authorizationHeader)
         {
             if (authorizationHeader == null)
             {
                 return null;
             }
 
-            var parts = authorizationHeader.Split(' ', 2);
+            var firstSpace = authorizationHeader.IndexOf(' ');
 
-            // There should be at least to parts
-            if (parts.Length != 2)
+            // There should be at least two parts
+            if (firstSpace == -1)
             {
                 return null;
             }
 
-            var acceptedNames = new[] { "MediaBrowser", "Emby" };
+            var name = authorizationHeader[..firstSpace];
 
-            // It has to be a digest request
-            if (!acceptedNames.Contains(parts[0], StringComparer.OrdinalIgnoreCase))
+            if (!name.Equals("MediaBrowser", StringComparison.OrdinalIgnoreCase)
+                && !name.Equals("Emby", StringComparison.OrdinalIgnoreCase))
             {
                 return null;
             }
 
-            // Remove uptil the first space
-            authorizationHeader = parts[1];
-            parts = authorizationHeader.Split(',');
+            authorizationHeader = authorizationHeader[(firstSpace + 1)..];
 
             var result = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
 
-            foreach (var item in parts)
+            foreach (var item in authorizationHeader.Split(','))
             {
-                var param = item.Trim().Split('=', 2);
+                var trimmedItem = item.Trim();
+                var firstEqualsSign = trimmedItem.IndexOf('=');
 
-                if (param.Length == 2)
+                if (firstEqualsSign > 0)
                 {
-                    var value = NormalizeValue(param[1].Trim('"'));
-                    result[param[0]] = value;
+                    var key = trimmedItem[..firstEqualsSign].ToString();
+                    var value = NormalizeValue(trimmedItem[(firstEqualsSign + 1)..].Trim('"').ToString());
+                    result[key] = value;
                 }
             }
 
diff --git a/Emby.Server.Implementations/HttpServer/Security/SessionContext.cs b/Emby.Server.Implementations/HttpServer/Security/SessionContext.cs
index dd77b45d8..c375f36ce 100644
--- a/Emby.Server.Implementations/HttpServer/Security/SessionContext.cs
+++ b/Emby.Server.Implementations/HttpServer/Security/SessionContext.cs
@@ -36,14 +36,14 @@ namespace Emby.Server.Implementations.HttpServer.Security
             return GetSession((HttpContext)requestContext);
         }
 
-        public User GetUser(HttpContext requestContext)
+        public User? GetUser(HttpContext requestContext)
         {
             var session = GetSession(requestContext);
 
             return session == null || session.UserId.Equals(Guid.Empty) ? null : _userManager.GetUserById(session.UserId);
         }
 
-        public User GetUser(object requestContext)
+        public User? GetUser(object requestContext)
         {
             return GetUser(((HttpRequest)requestContext).HttpContext);
         }
diff --git a/Emby.Server.Implementations/HttpServer/WebSocketConnection.cs b/Emby.Server.Implementations/HttpServer/WebSocketConnection.cs
index 06acb5606..5d38ea0ca 100644
--- a/Emby.Server.Implementations/HttpServer/WebSocketConnection.cs
+++ b/Emby.Server.Implementations/HttpServer/WebSocketConnection.cs
@@ -1,5 +1,3 @@
-#nullable enable
-
 using System;
 using System.Buffers;
 using System.IO.Pipelines;
@@ -9,7 +7,7 @@ using System.Text;
 using System.Text.Json;
 using System.Threading;
 using System.Threading.Tasks;
-using MediaBrowser.Common.Json;
+using Jellyfin.Extensions.Json;
 using MediaBrowser.Controller.Net;
 using MediaBrowser.Model.Net;
 using MediaBrowser.Model.Session;
diff --git a/Emby.Server.Implementations/HttpServer/WebSocketManager.cs b/Emby.Server.Implementations/HttpServer/WebSocketManager.cs
index 1bee1ac31..861c0a95e 100644
--- a/Emby.Server.Implementations/HttpServer/WebSocketManager.cs
+++ b/Emby.Server.Implementations/HttpServer/WebSocketManager.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/IO/FileRefresher.cs b/Emby.Server.Implementations/IO/FileRefresher.cs
index 7435e9d0b..47a83d77c 100644
--- a/Emby.Server.Implementations/IO/FileRefresher.cs
+++ b/Emby.Server.Implementations/IO/FileRefresher.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/IO/LibraryMonitor.cs b/Emby.Server.Implementations/IO/LibraryMonitor.cs
index 3353fae9d..aa80bccd7 100644
--- a/Emby.Server.Implementations/IO/LibraryMonitor.cs
+++ b/Emby.Server.Implementations/IO/LibraryMonitor.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/IO/ManagedFileSystem.cs b/Emby.Server.Implementations/IO/ManagedFileSystem.cs
index 27096ed33..7c3c7da23 100644
--- a/Emby.Server.Implementations/IO/ManagedFileSystem.cs
+++ b/Emby.Server.Implementations/IO/ManagedFileSystem.cs
@@ -6,11 +6,11 @@ using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Runtime.InteropServices;
+using Jellyfin.Extensions;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Model.IO;
 using MediaBrowser.Model.System;
 using Microsoft.Extensions.Logging;
-using OperatingSystem = MediaBrowser.Common.System.OperatingSystem;
 
 namespace Emby.Server.Implementations.IO
 {
@@ -23,7 +23,7 @@ namespace Emby.Server.Implementations.IO
 
         private readonly List<IShortcutHandler> _shortcutHandlers = new List<IShortcutHandler>();
         private readonly string _tempPath;
-        private static readonly bool _isEnvironmentCaseInsensitive = RuntimeInformation.IsOSPlatform(OSPlatform.Windows);
+        private static readonly bool _isEnvironmentCaseInsensitive = OperatingSystem.IsWindows();
 
         public ManagedFileSystem(
             ILogger<ManagedFileSystem> logger,
@@ -61,7 +61,7 @@ namespace Emby.Server.Implementations.IO
         /// <param name="filename">The filename.</param>
         /// <returns>System.String.</returns>
         /// <exception cref="ArgumentNullException">filename</exception>
-        public virtual string ResolveShortcut(string filename)
+        public virtual string? ResolveShortcut(string filename)
         {
             if (string.IsNullOrEmpty(filename))
             {
@@ -243,8 +243,8 @@ namespace Emby.Server.Implementations.IO
                 {
                     result.Length = fileInfo.Length;
 
-                    // Issue #2354 get the size of files behind symbolic links
-                    if (fileInfo.Attributes.HasFlag(FileAttributes.ReparsePoint))
+                    // Issue #2354 get the size of files behind symbolic links. Also Enum.HasFlag is bad as it boxes!
+                    if ((fileInfo.Attributes & FileAttributes.ReparsePoint) == FileAttributes.ReparsePoint)
                     {
                         try
                         {
@@ -401,7 +401,7 @@ namespace Emby.Server.Implementations.IO
 
         public virtual void SetHidden(string path, bool isHidden)
         {
-            if (OperatingSystem.Id != OperatingSystemId.Windows)
+            if (!OperatingSystem.IsWindows())
             {
                 return;
             }
@@ -425,7 +425,7 @@ namespace Emby.Server.Implementations.IO
 
         public virtual void SetAttributes(string path, bool isHidden, bool isReadOnly)
         {
-            if (OperatingSystem.Id != OperatingSystemId.Windows)
+            if (!OperatingSystem.IsWindows())
             {
                 return;
             }
@@ -601,7 +601,7 @@ namespace Emby.Server.Implementations.IO
             return GetFiles(path, null, false, recursive);
         }
 
-        public virtual IEnumerable<FileSystemMetadata> GetFiles(string path, IReadOnlyList<string> extensions, bool enableCaseSensitiveExtensions, bool recursive = false)
+        public virtual IEnumerable<FileSystemMetadata> GetFiles(string path, IReadOnlyList<string>? extensions, bool enableCaseSensitiveExtensions, bool recursive = false)
         {
             var enumerationOptions = GetEnumerationOptions(recursive);
 
@@ -618,13 +618,13 @@ namespace Emby.Server.Implementations.IO
             {
                 files = files.Where(i =>
                 {
-                    var ext = i.Extension;
-                    if (ext == null)
+                    var ext = i.Extension.AsSpan();
+                    if (ext.IsEmpty)
                     {
                         return false;
                     }
 
-                    return extensions.Contains(ext, StringComparer.OrdinalIgnoreCase);
+                    return extensions.Contains(ext, StringComparison.OrdinalIgnoreCase);
                 });
             }
 
@@ -636,8 +636,7 @@ namespace Emby.Server.Implementations.IO
             var directoryInfo = new DirectoryInfo(path);
             var enumerationOptions = GetEnumerationOptions(recursive);
 
-            return ToMetadata(directoryInfo.EnumerateDirectories("*", enumerationOptions))
-                .Concat(ToMetadata(directoryInfo.EnumerateFiles("*", enumerationOptions)));
+            return ToMetadata(directoryInfo.EnumerateFileSystemInfos("*", enumerationOptions));
         }
 
         private IEnumerable<FileSystemMetadata> ToMetadata(IEnumerable<FileSystemInfo> infos)
@@ -655,7 +654,7 @@ namespace Emby.Server.Implementations.IO
             return GetFilePaths(path, null, false, recursive);
         }
 
-        public virtual IEnumerable<string> GetFilePaths(string path, string[] extensions, bool enableCaseSensitiveExtensions, bool recursive = false)
+        public virtual IEnumerable<string> GetFilePaths(string path, string[]? extensions, bool enableCaseSensitiveExtensions, bool recursive = false)
         {
             var enumerationOptions = GetEnumerationOptions(recursive);
 
@@ -672,13 +671,13 @@ namespace Emby.Server.Implementations.IO
             {
                 files = files.Where(i =>
                 {
-                    var ext = Path.GetExtension(i);
-                    if (ext == null)
+                    var ext = Path.GetExtension(i.AsSpan());
+                    if (ext.IsEmpty)
                     {
                         return false;
                     }
 
-                    return extensions.Contains(ext, StringComparer.OrdinalIgnoreCase);
+                    return extensions.Contains(ext, StringComparison.OrdinalIgnoreCase);
                 });
             }
 
diff --git a/Emby.Server.Implementations/IO/MbLinkShortcutHandler.cs b/Emby.Server.Implementations/IO/MbLinkShortcutHandler.cs
index e6696b8c4..76c58d5dc 100644
--- a/Emby.Server.Implementations/IO/MbLinkShortcutHandler.cs
+++ b/Emby.Server.Implementations/IO/MbLinkShortcutHandler.cs
@@ -17,7 +17,7 @@ namespace Emby.Server.Implementations.IO
 
         public string Extension => ".mblink";
 
-        public string Resolve(string shortcutPath)
+        public string? Resolve(string shortcutPath)
         {
             if (string.IsNullOrEmpty(shortcutPath))
             {
diff --git a/Emby.Server.Implementations/IO/StreamHelper.cs b/Emby.Server.Implementations/IO/StreamHelper.cs
index c16ebd61b..e4f5f4cf0 100644
--- a/Emby.Server.Implementations/IO/StreamHelper.cs
+++ b/Emby.Server.Implementations/IO/StreamHelper.cs
@@ -11,7 +11,7 @@ namespace Emby.Server.Implementations.IO
 {
     public class StreamHelper : IStreamHelper
     {
-        public async Task CopyToAsync(Stream source, Stream destination, int bufferSize, Action onStarted, CancellationToken cancellationToken)
+        public async Task CopyToAsync(Stream source, Stream destination, int bufferSize, Action? onStarted, CancellationToken cancellationToken)
         {
             byte[] buffer = ArrayPool<byte>.Shared.Rent(bufferSize);
             try
diff --git a/Emby.Server.Implementations/IStartupOptions.cs b/Emby.Server.Implementations/IStartupOptions.cs
index f719dc5f8..a430b9e72 100644
--- a/Emby.Server.Implementations/IStartupOptions.cs
+++ b/Emby.Server.Implementations/IStartupOptions.cs
@@ -1,5 +1,4 @@
 #pragma warning disable CS1591
-#nullable enable
 
 namespace Emby.Server.Implementations
 {
diff --git a/Emby.Server.Implementations/Images/BaseDynamicImageProvider.cs b/Emby.Server.Implementations/Images/BaseDynamicImageProvider.cs
index 5f7e51858..833fb0b7a 100644
--- a/Emby.Server.Implementations/Images/BaseDynamicImageProvider.cs
+++ b/Emby.Server.Implementations/Images/BaseDynamicImageProvider.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
@@ -191,7 +193,7 @@ namespace Emby.Server.Implementations.Images
                 InputPaths = GetStripCollageImagePaths(primaryItem, items).ToArray()
             };
 
-            if (options.InputPaths.Length == 0)
+            if (options.InputPaths.Count == 0)
             {
                 return null;
             }
diff --git a/Emby.Server.Implementations/Images/CollectionFolderImageProvider.cs b/Emby.Server.Implementations/Images/CollectionFolderImageProvider.cs
index 161b4c452..ff5f26ce0 100644
--- a/Emby.Server.Implementations/Images/CollectionFolderImageProvider.cs
+++ b/Emby.Server.Implementations/Images/CollectionFolderImageProvider.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/Images/DynamicImageProvider.cs b/Emby.Server.Implementations/Images/DynamicImageProvider.cs
index 50c531482..900b3fd9c 100644
--- a/Emby.Server.Implementations/Images/DynamicImageProvider.cs
+++ b/Emby.Server.Implementations/Images/DynamicImageProvider.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/Images/FolderImageProvider.cs b/Emby.Server.Implementations/Images/FolderImageProvider.cs
index 0224ab32a..859017f86 100644
--- a/Emby.Server.Implementations/Images/FolderImageProvider.cs
+++ b/Emby.Server.Implementations/Images/FolderImageProvider.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System.Collections.Generic;
diff --git a/Emby.Server.Implementations/Images/GenreImageProvider.cs b/Emby.Server.Implementations/Images/GenreImageProvider.cs
index 381788231..6da431c68 100644
--- a/Emby.Server.Implementations/Images/GenreImageProvider.cs
+++ b/Emby.Server.Implementations/Images/GenreImageProvider.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System.Collections.Generic;
diff --git a/Emby.Server.Implementations/Images/PlaylistImageProvider.cs b/Emby.Server.Implementations/Images/PlaylistImageProvider.cs
index a4c106e87..b8f0f0d65 100644
--- a/Emby.Server.Implementations/Images/PlaylistImageProvider.cs
+++ b/Emby.Server.Implementations/Images/PlaylistImageProvider.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System.Collections.Generic;
diff --git a/Emby.Server.Implementations/Library/CoreResolutionIgnoreRule.cs b/Emby.Server.Implementations/Library/CoreResolutionIgnoreRule.cs
index 3380e29d4..c7d113963 100644
--- a/Emby.Server.Implementations/Library/CoreResolutionIgnoreRule.cs
+++ b/Emby.Server.Implementations/Library/CoreResolutionIgnoreRule.cs
@@ -77,7 +77,7 @@ namespace Emby.Server.Implementations.Library
                 if (parent != null)
                 {
                     // Don't resolve these into audio files
-                    if (string.Equals(Path.GetFileNameWithoutExtension(filename), BaseItem.ThemeSongFilename, StringComparison.Ordinal)
+                    if (Path.GetFileNameWithoutExtension(filename.AsSpan()).Equals(BaseItem.ThemeSongFilename, StringComparison.Ordinal)
                         && _libraryManager.IsAudioFile(filename))
                     {
                         return true;
diff --git a/Emby.Server.Implementations/Library/ExclusiveLiveStream.cs b/Emby.Server.Implementations/Library/ExclusiveLiveStream.cs
index 236453e80..6c65b5899 100644
--- a/Emby.Server.Implementations/Library/ExclusiveLiveStream.cs
+++ b/Emby.Server.Implementations/Library/ExclusiveLiveStream.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/Library/IgnorePatterns.cs b/Emby.Server.Implementations/Library/IgnorePatterns.cs
index e30a67593..5384c04b3 100644
--- a/Emby.Server.Implementations/Library/IgnorePatterns.cs
+++ b/Emby.Server.Implementations/Library/IgnorePatterns.cs
@@ -1,5 +1,3 @@
-#nullable enable
-
 using System;
 using System.Linq;
 using DotNet.Globbing;
diff --git a/Emby.Server.Implementations/Library/LibraryManager.cs b/Emby.Server.Implementations/Library/LibraryManager.cs
index 4d207471a..13fb8b2fd 100644
--- a/Emby.Server.Implementations/Library/LibraryManager.cs
+++ b/Emby.Server.Implementations/Library/LibraryManager.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
@@ -19,6 +21,7 @@ using Emby.Server.Implementations.Playlists;
 using Emby.Server.Implementations.ScheduledTasks;
 using Jellyfin.Data.Entities;
 using Jellyfin.Data.Enums;
+using Jellyfin.Extensions;
 using MediaBrowser.Common.Extensions;
 using MediaBrowser.Common.Progress;
 using MediaBrowser.Controller;
@@ -694,25 +697,32 @@ namespace Emby.Server.Implementations.Library
         }
 
         private IEnumerable<BaseItem> ResolveFileList(
-            IEnumerable<FileSystemMetadata> fileList,
+            IReadOnlyList<FileSystemMetadata> fileList,
             IDirectoryService directoryService,
             Folder parent,
             string collectionType,
             IItemResolver[] resolvers,
             LibraryOptions libraryOptions)
         {
-            return fileList.Select(f =>
+            // Given that fileList is a list we can save enumerator allocations by indexing
+            for (var i = 0; i < fileList.Count; i++)
             {
+                var file = fileList[i];
+                BaseItem result = null;
                 try
                 {
-                    return ResolvePath(f, directoryService, resolvers, parent, collectionType, libraryOptions);
+                    result = ResolvePath(file, directoryService, resolvers, parent, collectionType, libraryOptions);
                 }
                 catch (Exception ex)
                 {
-                    _logger.LogError(ex, "Error resolving path {path}", f.FullName);
-                    return null;
+                    _logger.LogError(ex, "Error resolving path {Path}", file.FullName);
+                }
+
+                if (result != null)
+                {
+                    yield return result;
                 }
-            }).Where(i => i != null);
+            }
         }
 
         /// <summary>
@@ -1063,17 +1073,17 @@ namespace Emby.Server.Implementations.Library
             // Start by just validating the children of the root, but go no further
             await RootFolder.ValidateChildren(
                 new SimpleProgress<double>(),
-                cancellationToken,
                 new MetadataRefreshOptions(new DirectoryService(_fileSystem)),
-                recursive: false).ConfigureAwait(false);
+                recursive: false,
+                cancellationToken).ConfigureAwait(false);
 
             await GetUserRootFolder().RefreshMetadata(cancellationToken).ConfigureAwait(false);
 
             await GetUserRootFolder().ValidateChildren(
                 new SimpleProgress<double>(),
-                cancellationToken,
                 new MetadataRefreshOptions(new DirectoryService(_fileSystem)),
-                recursive: false).ConfigureAwait(false);
+                recursive: false,
+                cancellationToken).ConfigureAwait(false);
 
             // Quickly scan CollectionFolders for changes
             foreach (var folder in GetUserRootFolder().Children.OfType<Folder>())
@@ -1093,7 +1103,7 @@ namespace Emby.Server.Implementations.Library
             innerProgress.RegisterAction(pct => progress.Report(pct * 0.96));
 
             // Validate the entire media library
-            await RootFolder.ValidateChildren(innerProgress, cancellationToken, new MetadataRefreshOptions(new DirectoryService(_fileSystem)), recursive: true).ConfigureAwait(false);
+            await RootFolder.ValidateChildren(innerProgress, new MetadataRefreshOptions(new DirectoryService(_fileSystem)), recursive: true, cancellationToken).ConfigureAwait(false);
 
             progress.Report(96);
 
@@ -2074,7 +2084,7 @@ namespace Emby.Server.Implementations.Library
                 return new List<Folder>();
             }
 
-            return GetCollectionFoldersInternal(item, GetUserRootFolder().Children.OfType<Folder>().ToList());
+            return GetCollectionFoldersInternal(item, GetUserRootFolder().Children.OfType<Folder>());
         }
 
         public List<Folder> GetCollectionFolders(BaseItem item, List<Folder> allUserRootChildren)
@@ -2099,10 +2109,10 @@ namespace Emby.Server.Implementations.Library
             return GetCollectionFoldersInternal(item, allUserRootChildren);
         }
 
-        private static List<Folder> GetCollectionFoldersInternal(BaseItem item, List<Folder> allUserRootChildren)
+        private static List<Folder> GetCollectionFoldersInternal(BaseItem item, IEnumerable<Folder> allUserRootChildren)
         {
             return allUserRootChildren
-                .Where(i => string.Equals(i.Path, item.Path, StringComparison.OrdinalIgnoreCase) || i.PhysicalLocations.Contains(item.Path, StringComparer.OrdinalIgnoreCase))
+                .Where(i => string.Equals(i.Path, item.Path, StringComparison.OrdinalIgnoreCase) || i.PhysicalLocations.Contains(item.Path.AsSpan(), StringComparison.OrdinalIgnoreCase))
                 .ToList();
         }
 
@@ -2110,9 +2120,9 @@ namespace Emby.Server.Implementations.Library
         {
             if (!(item is CollectionFolder collectionFolder))
             {
+                // List.Find is more performant than FirstOrDefault due to enumerator allocation
                 collectionFolder = GetCollectionFolders(item)
-                   .OfType<CollectionFolder>()
-                   .FirstOrDefault();
+                    .Find(folder => folder is CollectionFolder) as CollectionFolder;
             }
 
             return collectionFolder == null ? new LibraryOptions() : collectionFolder.GetLibraryOptions();
@@ -2498,8 +2508,7 @@ namespace Emby.Server.Implementations.Library
         /// <inheritdoc />
         public bool IsVideoFile(string path)
         {
-            var resolver = new VideoResolver(GetNamingOptions());
-            return resolver.IsVideoFile(path);
+            return VideoResolver.IsVideoFile(path, GetNamingOptions());
         }
 
         /// <inheritdoc />
@@ -2531,9 +2540,10 @@ namespace Emby.Server.Implementations.Library
             {
                 episodeInfo = resolver.Resolve(episode.Path, isFolder, null, null, isAbsoluteNaming);
                 // Resolve from parent folder if it's not the Season folder
-                if (episodeInfo == null && episode.Parent.GetType() == typeof(Folder))
+                var parent = episode.GetParent();
+                if (episodeInfo == null && parent.GetType() == typeof(Folder))
                 {
-                    episodeInfo = resolver.Resolve(episode.Parent.Path, true, null, null, isAbsoluteNaming);
+                    episodeInfo = resolver.Resolve(parent.Path, true, null, null, isAbsoluteNaming);
                     if (episodeInfo != null)
                     {
                         // add the container
@@ -2677,6 +2687,7 @@ namespace Emby.Server.Implementations.Library
             return changed;
         }
 
+        /// <inheritdoc />
         public NamingOptions GetNamingOptions()
         {
             if (_namingOptions == null)
@@ -2690,13 +2701,12 @@ namespace Emby.Server.Implementations.Library
 
         public ItemLookupInfo ParseName(string name)
         {
-            var resolver = new VideoResolver(GetNamingOptions());
-
-            var result = resolver.CleanDateTime(name);
+            var namingOptions = GetNamingOptions();
+            var result = VideoResolver.CleanDateTime(name, namingOptions);
 
             return new ItemLookupInfo
             {
-                Name = resolver.TryCleanString(result.Name, out var newName) ? newName.ToString() : result.Name,
+                Name = VideoResolver.TryCleanString(result.Name, namingOptions, out var newName) ? newName.ToString() : result.Name,
                 Year = result.Year
             };
         }
@@ -2710,9 +2720,7 @@ namespace Emby.Server.Implementations.Library
                 .SelectMany(i => _fileSystem.GetFiles(i.FullName, _videoFileExtensions, false, false))
                 .ToList();
 
-            var videoListResolver = new VideoListResolver(namingOptions);
-
-            var videos = videoListResolver.Resolve(fileSystemChildren);
+            var videos = VideoListResolver.Resolve(fileSystemChildren, namingOptions);
 
             var currentVideo = videos.FirstOrDefault(i => string.Equals(owner.Path, i.Files[0].Path, StringComparison.OrdinalIgnoreCase));
 
@@ -2756,9 +2764,7 @@ namespace Emby.Server.Implementations.Library
                 .SelectMany(i => _fileSystem.GetFiles(i.FullName, _videoFileExtensions, false, false))
                 .ToList();
 
-            var videoListResolver = new VideoListResolver(namingOptions);
-
-            var videos = videoListResolver.Resolve(fileSystemChildren);
+            var videos = VideoListResolver.Resolve(fileSystemChildren, namingOptions);
 
             var currentVideo = videos.FirstOrDefault(i => string.Equals(owner.Path, i.Files[0].Path, StringComparison.OrdinalIgnoreCase));
 
diff --git a/Emby.Server.Implementations/Library/LiveStreamHelper.cs b/Emby.Server.Implementations/Library/LiveStreamHelper.cs
index c2951dd15..806269182 100644
--- a/Emby.Server.Implementations/Library/LiveStreamHelper.cs
+++ b/Emby.Server.Implementations/Library/LiveStreamHelper.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
@@ -10,7 +12,7 @@ using System.Threading;
 using System.Threading.Tasks;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Common.Extensions;
-using MediaBrowser.Common.Json;
+using Jellyfin.Extensions.Json;
 using MediaBrowser.Controller.MediaEncoding;
 using MediaBrowser.Model.Dlna;
 using MediaBrowser.Model.Dto;
diff --git a/Emby.Server.Implementations/Library/MediaSourceManager.cs b/Emby.Server.Implementations/Library/MediaSourceManager.cs
index 85d6d3043..91c9e61cf 100644
--- a/Emby.Server.Implementations/Library/MediaSourceManager.cs
+++ b/Emby.Server.Implementations/Library/MediaSourceManager.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
@@ -13,7 +15,7 @@ using Jellyfin.Data.Entities;
 using Jellyfin.Data.Enums;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Common.Extensions;
-using MediaBrowser.Common.Json;
+using Jellyfin.Extensions.Json;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.MediaEncoding;
@@ -350,7 +352,7 @@ namespace Emby.Server.Implementations.Library
 
         private string[] NormalizeLanguage(string language)
         {
-            if (language == null)
+            if (string.IsNullOrEmpty(language))
             {
                 return Array.Empty<string>();
             }
@@ -379,8 +381,7 @@ namespace Emby.Server.Implementations.Library
                 }
             }
 
-            var preferredSubs = string.IsNullOrEmpty(user.SubtitleLanguagePreference)
-                ? Array.Empty<string>() : NormalizeLanguage(user.SubtitleLanguagePreference);
+            var preferredSubs = NormalizeLanguage(user.SubtitleLanguagePreference);
 
             var defaultAudioIndex = source.DefaultAudioStreamIndex;
             var audioLangage = defaultAudioIndex == null
@@ -409,9 +410,7 @@ namespace Emby.Server.Implementations.Library
                 }
             }
 
-            var preferredAudio = string.IsNullOrEmpty(user.AudioLanguagePreference)
-                ? Array.Empty<string>()
-                : NormalizeLanguage(user.AudioLanguagePreference);
+            var preferredAudio = NormalizeLanguage(user.AudioLanguagePreference);
 
             source.DefaultAudioStreamIndex = MediaStreamSelector.GetDefaultAudioStreamIndex(source.MediaStreams, preferredAudio, user.PlayDefaultAudioTrack);
         }
diff --git a/Emby.Server.Implementations/Library/MediaStreamSelector.cs b/Emby.Server.Implementations/Library/MediaStreamSelector.cs
index 28fa06239..b833122ea 100644
--- a/Emby.Server.Implementations/Library/MediaStreamSelector.cs
+++ b/Emby.Server.Implementations/Library/MediaStreamSelector.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/Library/MusicManager.cs b/Emby.Server.Implementations/Library/MusicManager.cs
index f8bae4fd1..06300adeb 100644
--- a/Emby.Server.Implementations/Library/MusicManager.cs
+++ b/Emby.Server.Implementations/Library/MusicManager.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/Library/PathExtensions.cs b/Emby.Server.Implementations/Library/PathExtensions.cs
index 0de4edb7e..86b8039fa 100644
--- a/Emby.Server.Implementations/Library/PathExtensions.cs
+++ b/Emby.Server.Implementations/Library/PathExtensions.cs
@@ -1,5 +1,3 @@
-#nullable enable
-
 using System;
 using System.Diagnostics.CodeAnalysis;
 using MediaBrowser.Common.Providers;
diff --git a/Emby.Server.Implementations/Library/ResolverHelper.cs b/Emby.Server.Implementations/Library/ResolverHelper.cs
index 1d9b44874..ac75e5d3a 100644
--- a/Emby.Server.Implementations/Library/ResolverHelper.cs
+++ b/Emby.Server.Implementations/Library/ResolverHelper.cs
@@ -1,5 +1,3 @@
-#nullable enable
-
 using System;
 using System.IO;
 using System.Linq;
diff --git a/Emby.Server.Implementations/Library/Resolvers/Audio/AudioResolver.cs b/Emby.Server.Implementations/Library/Resolvers/Audio/AudioResolver.cs
index 4ad84579d..e893d6335 100644
--- a/Emby.Server.Implementations/Library/Resolvers/Audio/AudioResolver.cs
+++ b/Emby.Server.Implementations/Library/Resolvers/Audio/AudioResolver.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/Library/Resolvers/Audio/MusicAlbumResolver.cs b/Emby.Server.Implementations/Library/Resolvers/Audio/MusicAlbumResolver.cs
index bf32381eb..8e1eccb10 100644
--- a/Emby.Server.Implementations/Library/Resolvers/Audio/MusicAlbumResolver.cs
+++ b/Emby.Server.Implementations/Library/Resolvers/Audio/MusicAlbumResolver.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 using System;
 using System.Collections.Generic;
 using System.Linq;
diff --git a/Emby.Server.Implementations/Library/Resolvers/Audio/MusicArtistResolver.cs b/Emby.Server.Implementations/Library/Resolvers/Audio/MusicArtistResolver.cs
index 60f82806f..3d2ae95d2 100644
--- a/Emby.Server.Implementations/Library/Resolvers/Audio/MusicArtistResolver.cs
+++ b/Emby.Server.Implementations/Library/Resolvers/Audio/MusicArtistResolver.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 using System;
 using System.Linq;
 using System.Threading.Tasks;
diff --git a/Emby.Server.Implementations/Library/Resolvers/BaseVideoResolver.cs b/Emby.Server.Implementations/Library/Resolvers/BaseVideoResolver.cs
index 6e688693b..cdb492022 100644
--- a/Emby.Server.Implementations/Library/Resolvers/BaseVideoResolver.cs
+++ b/Emby.Server.Implementations/Library/Resolvers/BaseVideoResolver.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
@@ -45,11 +47,9 @@ namespace Emby.Server.Implementations.Library.Resolvers
         protected virtual TVideoType ResolveVideo<TVideoType>(ItemResolveArgs args, bool parseName)
               where TVideoType : Video, new()
         {
-            var namingOptions = ((LibraryManager)LibraryManager).GetNamingOptions();
+            var namingOptions = LibraryManager.GetNamingOptions();
 
             // If the path is a file check for a matching extensions
-            var parser = new VideoResolver(namingOptions);
-
             if (args.IsDirectory)
             {
                 TVideoType video = null;
@@ -64,7 +64,7 @@ namespace Emby.Server.Implementations.Library.Resolvers
                     {
                         if (IsDvdDirectory(child.FullName, filename, args.DirectoryService))
                         {
-                            videoInfo = parser.ResolveDirectory(args.Path);
+                            videoInfo = VideoResolver.ResolveDirectory(args.Path, namingOptions);
 
                             if (videoInfo == null)
                             {
@@ -82,7 +82,7 @@ namespace Emby.Server.Implementations.Library.Resolvers
 
                         if (IsBluRayDirectory(child.FullName, filename, args.DirectoryService))
                         {
-                            videoInfo = parser.ResolveDirectory(args.Path);
+                            videoInfo = VideoResolver.ResolveDirectory(args.Path, namingOptions);
 
                             if (videoInfo == null)
                             {
@@ -100,7 +100,7 @@ namespace Emby.Server.Implementations.Library.Resolvers
                     }
                     else if (IsDvdFile(filename))
                     {
-                        videoInfo = parser.ResolveDirectory(args.Path);
+                        videoInfo = VideoResolver.ResolveDirectory(args.Path, namingOptions);
 
                         if (videoInfo == null)
                         {
@@ -130,7 +130,7 @@ namespace Emby.Server.Implementations.Library.Resolvers
             }
             else
             {
-                var videoInfo = parser.Resolve(args.Path, false, false);
+                var videoInfo = VideoResolver.Resolve(args.Path, false, namingOptions, false);
 
                 if (videoInfo == null)
                 {
@@ -165,13 +165,13 @@ namespace Emby.Server.Implementations.Library.Resolvers
 
         protected void SetVideoType(Video video, VideoFileInfo videoInfo)
         {
-            var extension = Path.GetExtension(video.Path);
-            video.VideoType = string.Equals(extension, ".iso", StringComparison.OrdinalIgnoreCase) ||
-                string.Equals(extension, ".img", StringComparison.OrdinalIgnoreCase) ?
-              VideoType.Iso :
-              VideoType.VideoFile;
+            var extension = Path.GetExtension(video.Path.AsSpan());
+            video.VideoType = extension.Equals(".iso", StringComparison.OrdinalIgnoreCase)
+                              || extension.Equals(".img", StringComparison.OrdinalIgnoreCase)
+                ? VideoType.Iso
+                : VideoType.VideoFile;
 
-            video.IsShortcut = string.Equals(extension, ".strm", StringComparison.OrdinalIgnoreCase);
+            video.IsShortcut = extension.Equals(".strm", StringComparison.OrdinalIgnoreCase);
             video.IsPlaceHolder = videoInfo.IsStub;
 
             if (videoInfo.IsStub)
@@ -193,11 +193,11 @@ namespace Emby.Server.Implementations.Library.Resolvers
         {
             if (video.VideoType == VideoType.Iso)
             {
-                if (video.Path.IndexOf("dvd", StringComparison.OrdinalIgnoreCase) != -1)
+                if (video.Path.Contains("dvd", StringComparison.OrdinalIgnoreCase))
                 {
                     video.IsoType = IsoType.Dvd;
                 }
-                else if (video.Path.IndexOf("bluray", StringComparison.OrdinalIgnoreCase) != -1)
+                else if (video.Path.Contains("bluray", StringComparison.OrdinalIgnoreCase))
                 {
                     video.IsoType = IsoType.BluRay;
                 }
@@ -250,10 +250,7 @@ namespace Emby.Server.Implementations.Library.Resolvers
 
         protected void Set3DFormat(Video video)
         {
-            var namingOptions = ((LibraryManager)LibraryManager).GetNamingOptions();
-
-            var resolver = new Format3DParser(namingOptions);
-            var result = resolver.Parse(video.Path);
+            var result = Format3DParser.Parse(video.Path, LibraryManager.GetNamingOptions());
 
             Set3DFormat(video, result.Is3D, result.Format3D);
         }
diff --git a/Emby.Server.Implementations/Library/Resolvers/Books/BookResolver.cs b/Emby.Server.Implementations/Library/Resolvers/Books/BookResolver.cs
index 0525c7e30..68076730b 100644
--- a/Emby.Server.Implementations/Library/Resolvers/Books/BookResolver.cs
+++ b/Emby.Server.Implementations/Library/Resolvers/Books/BookResolver.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/Library/Resolvers/FolderResolver.cs b/Emby.Server.Implementations/Library/Resolvers/FolderResolver.cs
index 7dbce7a6e..7aaee017d 100644
--- a/Emby.Server.Implementations/Library/Resolvers/FolderResolver.cs
+++ b/Emby.Server.Implementations/Library/Resolvers/FolderResolver.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Resolvers;
diff --git a/Emby.Server.Implementations/Library/Resolvers/ItemResolver.cs b/Emby.Server.Implementations/Library/Resolvers/ItemResolver.cs
index 92fb2a753..fa45ccf84 100644
--- a/Emby.Server.Implementations/Library/Resolvers/ItemResolver.cs
+++ b/Emby.Server.Implementations/Library/Resolvers/ItemResolver.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Resolvers;
diff --git a/Emby.Server.Implementations/Library/Resolvers/Movies/BoxSetResolver.cs b/Emby.Server.Implementations/Library/Resolvers/Movies/BoxSetResolver.cs
index 295e9e120..69d71d0d9 100644
--- a/Emby.Server.Implementations/Library/Resolvers/Movies/BoxSetResolver.cs
+++ b/Emby.Server.Implementations/Library/Resolvers/Movies/BoxSetResolver.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 using System;
 using System.IO;
 using MediaBrowser.Controller.Entities;
diff --git a/Emby.Server.Implementations/Library/Resolvers/Movies/MovieResolver.cs b/Emby.Server.Implementations/Library/Resolvers/Movies/MovieResolver.cs
index 16bf4dc4a..889e29a6b 100644
--- a/Emby.Server.Implementations/Library/Resolvers/Movies/MovieResolver.cs
+++ b/Emby.Server.Implementations/Library/Resolvers/Movies/MovieResolver.cs
@@ -1,9 +1,12 @@
+#nullable disable
+
 using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Text.RegularExpressions;
 using Emby.Naming.Video;
+using Jellyfin.Extensions;
 using MediaBrowser.Controller.Drawing;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Entities.Movies;
@@ -255,10 +258,9 @@ namespace Emby.Server.Implementations.Library.Resolvers.Movies
                 }
             }
 
-            var namingOptions = ((LibraryManager)LibraryManager).GetNamingOptions();
+            var namingOptions = LibraryManager.GetNamingOptions();
 
-            var resolver = new VideoListResolver(namingOptions);
-            var resolverResult = resolver.Resolve(files, suppportMultiEditions).ToList();
+            var resolverResult = VideoListResolver.Resolve(files, namingOptions, suppportMultiEditions).ToList();
 
             var result = new MultiItemResolverResult
             {
@@ -535,7 +537,7 @@ namespace Emby.Server.Implementations.Library.Resolvers.Movies
             return returnVideo;
         }
 
-        private bool IsInvalid(Folder parent, string collectionType)
+        private bool IsInvalid(Folder parent, ReadOnlySpan<char> collectionType)
         {
             if (parent != null)
             {
@@ -545,12 +547,12 @@ namespace Emby.Server.Implementations.Library.Resolvers.Movies
                 }
             }
 
-            if (string.IsNullOrEmpty(collectionType))
+            if (collectionType.IsEmpty)
             {
                 return false;
             }
 
-            return !_validCollectionTypes.Contains(collectionType, StringComparer.OrdinalIgnoreCase);
+            return !_validCollectionTypes.Contains(collectionType, StringComparison.OrdinalIgnoreCase);
         }
     }
 }
diff --git a/Emby.Server.Implementations/Library/Resolvers/PhotoAlbumResolver.cs b/Emby.Server.Implementations/Library/Resolvers/PhotoAlbumResolver.cs
index 204c8a62e..534bc80dd 100644
--- a/Emby.Server.Implementations/Library/Resolvers/PhotoAlbumResolver.cs
+++ b/Emby.Server.Implementations/Library/Resolvers/PhotoAlbumResolver.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 using System;
 using MediaBrowser.Controller.Drawing;
 using MediaBrowser.Controller.Entities;
diff --git a/Emby.Server.Implementations/Library/Resolvers/PhotoResolver.cs b/Emby.Server.Implementations/Library/Resolvers/PhotoResolver.cs
index 3cb6542cf..57bf40e9e 100644
--- a/Emby.Server.Implementations/Library/Resolvers/PhotoResolver.cs
+++ b/Emby.Server.Implementations/Library/Resolvers/PhotoResolver.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/Library/Resolvers/PlaylistResolver.cs b/Emby.Server.Implementations/Library/Resolvers/PlaylistResolver.cs
index 5f051321f..ecd44be47 100644
--- a/Emby.Server.Implementations/Library/Resolvers/PlaylistResolver.cs
+++ b/Emby.Server.Implementations/Library/Resolvers/PlaylistResolver.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/Library/Resolvers/SpecialFolderResolver.cs b/Emby.Server.Implementations/Library/Resolvers/SpecialFolderResolver.cs
index 99f304190..7b4e14334 100644
--- a/Emby.Server.Implementations/Library/Resolvers/SpecialFolderResolver.cs
+++ b/Emby.Server.Implementations/Library/Resolvers/SpecialFolderResolver.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/Library/Resolvers/TV/EpisodeResolver.cs b/Emby.Server.Implementations/Library/Resolvers/TV/EpisodeResolver.cs
index 6f29bc649..d6ae91056 100644
--- a/Emby.Server.Implementations/Library/Resolvers/TV/EpisodeResolver.cs
+++ b/Emby.Server.Implementations/Library/Resolvers/TV/EpisodeResolver.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 using System;
 using System.Linq;
 using MediaBrowser.Controller.Entities;
diff --git a/Emby.Server.Implementations/Library/Resolvers/TV/SeasonResolver.cs b/Emby.Server.Implementations/Library/Resolvers/TV/SeasonResolver.cs
index 768e2e4f5..7d707df18 100644
--- a/Emby.Server.Implementations/Library/Resolvers/TV/SeasonResolver.cs
+++ b/Emby.Server.Implementations/Library/Resolvers/TV/SeasonResolver.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 using System.Globalization;
 using Emby.Naming.TV;
 using MediaBrowser.Controller.Entities.TV;
diff --git a/Emby.Server.Implementations/Library/Resolvers/TV/SeriesResolver.cs b/Emby.Server.Implementations/Library/Resolvers/TV/SeriesResolver.cs
index 8fc3e3e75..a1562abd3 100644
--- a/Emby.Server.Implementations/Library/Resolvers/TV/SeriesResolver.cs
+++ b/Emby.Server.Implementations/Library/Resolvers/TV/SeriesResolver.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/Library/Resolvers/VideoResolver.cs b/Emby.Server.Implementations/Library/Resolvers/VideoResolver.cs
index 62268fce9..9599faea4 100644
--- a/Emby.Server.Implementations/Library/Resolvers/VideoResolver.cs
+++ b/Emby.Server.Implementations/Library/Resolvers/VideoResolver.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using MediaBrowser.Controller.Entities;
diff --git a/Emby.Server.Implementations/Library/SearchEngine.cs b/Emby.Server.Implementations/Library/SearchEngine.cs
index bcdf854ca..9d0a24a88 100644
--- a/Emby.Server.Implementations/Library/SearchEngine.cs
+++ b/Emby.Server.Implementations/Library/SearchEngine.cs
@@ -1,14 +1,16 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using Diacritics.Extensions;
 using Jellyfin.Data.Entities;
 using Jellyfin.Data.Enums;
 using MediaBrowser.Controller.Dto;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Entities.Audio;
-using MediaBrowser.Controller.Extensions;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Model.Querying;
 using MediaBrowser.Model.Search;
diff --git a/Emby.Server.Implementations/Library/UserDataManager.cs b/Emby.Server.Implementations/Library/UserDataManager.cs
index 827e3c64b..8aa605a90 100644
--- a/Emby.Server.Implementations/Library/UserDataManager.cs
+++ b/Emby.Server.Implementations/Library/UserDataManager.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
@@ -220,7 +222,7 @@ namespace Emby.Server.Implementations.Library
             var hasRuntime = runtimeTicks > 0;
 
             // If a position has been reported, and if we know the duration
-            if (positionTicks > 0 && hasRuntime && !(item is AudioBook))
+            if (positionTicks > 0 && hasRuntime && item is not AudioBook && item is not Book)
             {
                 var pctIn = decimal.Divide(positionTicks, runtimeTicks) * 100;
 
@@ -239,7 +241,7 @@ namespace Emby.Server.Implementations.Library
                 {
                     // Enforce MinResumeDuration
                     var durationSeconds = TimeSpan.FromTicks(runtimeTicks).TotalSeconds;
-                    if (durationSeconds < _config.Configuration.MinResumeDurationSeconds && !(item is Book))
+                    if (durationSeconds < _config.Configuration.MinResumeDurationSeconds)
                     {
                         positionTicks = 0;
                         data.Played = playedToCompletion = true;
diff --git a/Emby.Server.Implementations/Library/UserViewManager.cs b/Emby.Server.Implementations/Library/UserViewManager.cs
index ac041bcf6..e2da672a3 100644
--- a/Emby.Server.Implementations/Library/UserViewManager.cs
+++ b/Emby.Server.Implementations/Library/UserViewManager.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/DirectRecorder.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/DirectRecorder.cs
index 7a6b1d8b6..3fcadf5b1 100644
--- a/Emby.Server.Implementations/LiveTv/EmbyTV/DirectRecorder.cs
+++ b/Emby.Server.Implementations/LiveTv/EmbyTV/DirectRecorder.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs
index 28a2095e1..797063120 100644
--- a/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs
+++ b/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/EncodedRecorder.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/EncodedRecorder.cs
index 9372b0f6c..93781cb7b 100644
--- a/Emby.Server.Implementations/LiveTv/EmbyTV/EncodedRecorder.cs
+++ b/Emby.Server.Implementations/LiveTv/EmbyTV/EncodedRecorder.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
@@ -9,9 +11,9 @@ using System.Text;
 using System.Text.Json;
 using System.Threading;
 using System.Threading.Tasks;
+using Jellyfin.Extensions;
+using Jellyfin.Extensions.Json;
 using MediaBrowser.Common.Configuration;
-using MediaBrowser.Common.Extensions;
-using MediaBrowser.Common.Json;
 using MediaBrowser.Controller;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Library;
diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/EpgChannelData.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/EpgChannelData.cs
index 8c27ca76e..0ec52a959 100644
--- a/Emby.Server.Implementations/LiveTv/EmbyTV/EpgChannelData.cs
+++ b/Emby.Server.Implementations/LiveTv/EmbyTV/EpgChannelData.cs
@@ -6,7 +6,6 @@ using MediaBrowser.Controller.LiveTv;
 
 namespace Emby.Server.Implementations.LiveTv.EmbyTV
 {
-
     internal class EpgChannelData
     {
 
@@ -39,13 +38,13 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
             }
         }
 
-        public ChannelInfo GetChannelById(string id)
+        public ChannelInfo? GetChannelById(string id)
             => _channelsById.GetValueOrDefault(id);
 
-        public ChannelInfo GetChannelByNumber(string number)
+        public ChannelInfo? GetChannelByNumber(string number)
             => _channelsByNumber.GetValueOrDefault(number);
 
-        public ChannelInfo GetChannelByName(string name)
+        public ChannelInfo? GetChannelByName(string name)
             => _channelsByName.GetValueOrDefault(name);
 
         public static string NormalizeName(string value)
diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/ItemDataProvider.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/ItemDataProvider.cs
index 1cac9cb96..4a031e475 100644
--- a/Emby.Server.Implementations/LiveTv/EmbyTV/ItemDataProvider.cs
+++ b/Emby.Server.Implementations/LiveTv/EmbyTV/ItemDataProvider.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
@@ -5,7 +7,7 @@ using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Text.Json;
-using MediaBrowser.Common.Json;
+using Jellyfin.Extensions.Json;
 using Microsoft.Extensions.Logging;
 
 namespace Emby.Server.Implementations.LiveTv.EmbyTV
diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/RecordingHelper.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/RecordingHelper.cs
index 142c59542..32245f899 100644
--- a/Emby.Server.Implementations/LiveTv/EmbyTV/RecordingHelper.cs
+++ b/Emby.Server.Implementations/LiveTv/EmbyTV/RecordingHelper.cs
@@ -6,7 +6,7 @@ using MediaBrowser.Controller.LiveTv;
 
 namespace Emby.Server.Implementations.LiveTv.EmbyTV
 {
-    internal class RecordingHelper
+    internal static class RecordingHelper
     {
         public static DateTime GetStartTime(TimerInfo timer)
         {
@@ -70,17 +70,7 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
 
         private static string GetDateString(DateTime date)
         {
-            date = date.ToLocalTime();
-
-            return string.Format(
-                CultureInfo.InvariantCulture,
-                "{0}_{1}_{2}_{3}_{4}_{5}",
-                date.Year.ToString("0000", CultureInfo.InvariantCulture),
-                date.Month.ToString("00", CultureInfo.InvariantCulture),
-                date.Day.ToString("00", CultureInfo.InvariantCulture),
-                date.Hour.ToString("00", CultureInfo.InvariantCulture),
-                date.Minute.ToString("00", CultureInfo.InvariantCulture),
-                date.Second.ToString("00", CultureInfo.InvariantCulture));
+            return date.ToLocalTime().ToString("yyyy_MM_dd_HH_mm_ss", CultureInfo.InvariantCulture);
         }
     }
 }
diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/TimerManager.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/TimerManager.cs
index 1efa90e25..6c52a9a73 100644
--- a/Emby.Server.Implementations/LiveTv/EmbyTV/TimerManager.cs
+++ b/Emby.Server.Implementations/LiveTv/EmbyTV/TimerManager.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/LiveTv/Listings/SchedulesDirect.cs b/Emby.Server.Implementations/LiveTv/Listings/SchedulesDirect.cs
index 9af65cabb..b7639a51c 100644
--- a/Emby.Server.Implementations/LiveTv/Listings/SchedulesDirect.cs
+++ b/Emby.Server.Implementations/LiveTv/Listings/SchedulesDirect.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
@@ -13,7 +15,7 @@ using System.Text.Json;
 using System.Threading;
 using System.Threading.Tasks;
 using MediaBrowser.Common;
-using MediaBrowser.Common.Json;
+using Jellyfin.Extensions.Json;
 using MediaBrowser.Common.Net;
 using MediaBrowser.Controller.LiveTv;
 using MediaBrowser.Model.Cryptography;
@@ -787,7 +789,7 @@ namespace Emby.Server.Implementations.LiveTv.Listings
             {
                 var channelNumber = GetChannelNumber(channel);
 
-                var station = allStations.Find(item => string.Equals(item.stationID, channel.stationID, StringComparison.OrdinalIgnoreCase)) 
+                var station = allStations.Find(item => string.Equals(item.stationID, channel.stationID, StringComparison.OrdinalIgnoreCase))
                     ?? new ScheduleDirect.Station
                     {
                         stationID = channel.stationID
diff --git a/Emby.Server.Implementations/LiveTv/Listings/XmlTvListingsProvider.cs b/Emby.Server.Implementations/LiveTv/Listings/XmlTvListingsProvider.cs
index 6824aa442..ebad4eddf 100644
--- a/Emby.Server.Implementations/LiveTv/Listings/XmlTvListingsProvider.cs
+++ b/Emby.Server.Implementations/LiveTv/Listings/XmlTvListingsProvider.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/LiveTv/LiveTvConfigurationFactory.cs b/Emby.Server.Implementations/LiveTv/LiveTvConfigurationFactory.cs
index ba916af38..098f193fb 100644
--- a/Emby.Server.Implementations/LiveTv/LiveTvConfigurationFactory.cs
+++ b/Emby.Server.Implementations/LiveTv/LiveTvConfigurationFactory.cs
@@ -1,21 +1,23 @@
-#pragma warning disable CS1591
-
 using System.Collections.Generic;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Model.LiveTv;
 
 namespace Emby.Server.Implementations.LiveTv
 {
+    /// <summary>
+    /// <see cref="IConfigurationFactory" /> implementation for <see cref="LiveTvOptions" />.
+    /// </summary>
     public class LiveTvConfigurationFactory : IConfigurationFactory
     {
+        /// <inheritdoc />
         public IEnumerable<ConfigurationStore> GetConfigurations()
         {
             return new ConfigurationStore[]
             {
                 new ConfigurationStore
                 {
-                     ConfigurationType = typeof(LiveTvOptions),
-                     Key = "livetv"
+                    ConfigurationType = typeof(LiveTvOptions),
+                    Key = "livetv"
                 }
             };
         }
diff --git a/Emby.Server.Implementations/LiveTv/LiveTvDtoService.cs b/Emby.Server.Implementations/LiveTv/LiveTvDtoService.cs
index 6af49dd45..21e1409ac 100644
--- a/Emby.Server.Implementations/LiveTv/LiveTvDtoService.cs
+++ b/Emby.Server.Implementations/LiveTv/LiveTvDtoService.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/LiveTv/LiveTvManager.cs b/Emby.Server.Implementations/LiveTv/LiveTvManager.cs
index 1145d8aa1..d964769b5 100644
--- a/Emby.Server.Implementations/LiveTv/LiveTvManager.cs
+++ b/Emby.Server.Implementations/LiveTv/LiveTvManager.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
@@ -2264,7 +2266,7 @@ namespace Emby.Server.Implementations.LiveTv
 
             if (dataSourceChanged)
             {
-                _taskManager.CancelIfRunningAndQueue<RefreshChannelsScheduledTask>();
+                _taskManager.CancelIfRunningAndQueue<RefreshGuideScheduledTask>();
             }
 
             return info;
@@ -2307,7 +2309,7 @@ namespace Emby.Server.Implementations.LiveTv
 
             _config.SaveConfiguration("livetv", config);
 
-            _taskManager.CancelIfRunningAndQueue<RefreshChannelsScheduledTask>();
+            _taskManager.CancelIfRunningAndQueue<RefreshGuideScheduledTask>();
 
             return info;
         }
@@ -2319,7 +2321,7 @@ namespace Emby.Server.Implementations.LiveTv
             config.ListingProviders = config.ListingProviders.Where(i => !string.Equals(id, i.Id, StringComparison.OrdinalIgnoreCase)).ToArray();
 
             _config.SaveConfiguration("livetv", config);
-            _taskManager.CancelIfRunningAndQueue<RefreshChannelsScheduledTask>();
+            _taskManager.CancelIfRunningAndQueue<RefreshGuideScheduledTask>();
         }
 
         public async Task<TunerChannelMapping> SetChannelMapping(string providerId, string tunerChannelId, string providerChannelId)
@@ -2353,7 +2355,7 @@ namespace Emby.Server.Implementations.LiveTv
             var tunerChannelMappings =
                 tunerChannels.Select(i => GetTunerChannelMapping(i, mappings, providerChannels)).ToList();
 
-            _taskManager.CancelIfRunningAndQueue<RefreshChannelsScheduledTask>();
+            _taskManager.CancelIfRunningAndQueue<RefreshGuideScheduledTask>();
 
             return tunerChannelMappings.First(i => string.Equals(i.Id, tunerChannelId, StringComparison.OrdinalIgnoreCase));
         }
diff --git a/Emby.Server.Implementations/LiveTv/LiveTvMediaSourceProvider.cs b/Emby.Server.Implementations/LiveTv/LiveTvMediaSourceProvider.cs
index 3a738fd5d..ecd28097d 100644
--- a/Emby.Server.Implementations/LiveTv/LiveTvMediaSourceProvider.cs
+++ b/Emby.Server.Implementations/LiveTv/LiveTvMediaSourceProvider.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/LiveTv/RefreshChannelsScheduledTask.cs b/Emby.Server.Implementations/LiveTv/RefreshGuideScheduledTask.cs
index 582b64923..15df0dcf1 100644
--- a/Emby.Server.Implementations/LiveTv/RefreshChannelsScheduledTask.cs
+++ b/Emby.Server.Implementations/LiveTv/RefreshGuideScheduledTask.cs
@@ -1,7 +1,6 @@
-#pragma warning disable CS1591
-
 using System;
 using System.Collections.Generic;
+using System.Threading;
 using System.Threading.Tasks;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Controller.LiveTv;
@@ -10,34 +9,55 @@ using MediaBrowser.Model.Tasks;
 
 namespace Emby.Server.Implementations.LiveTv
 {
-    public class RefreshChannelsScheduledTask : IScheduledTask, IConfigurableScheduledTask
+    /// <summary>
+    /// The "Refresh Guide" scheduled task.
+    /// </summary>
+    public class RefreshGuideScheduledTask : IScheduledTask, IConfigurableScheduledTask
     {
         private readonly ILiveTvManager _liveTvManager;
         private readonly IConfigurationManager _config;
 
-        public RefreshChannelsScheduledTask(ILiveTvManager liveTvManager, IConfigurationManager config)
+        /// <summary>
+        /// Initializes a new instance of the <see cref="RefreshGuideScheduledTask"/> class.
+        /// </summary>
+        /// <param name="liveTvManager">The live tv manager.</param>
+        /// <param name="config">The configuration manager.</param>
+        public RefreshGuideScheduledTask(ILiveTvManager liveTvManager, IConfigurationManager config)
         {
             _liveTvManager = liveTvManager;
             _config = config;
         }
 
+        /// <inheritdoc />
         public string Name => "Refresh Guide";
 
+        /// <inheritdoc />
         public string Description => "Downloads channel information from live tv services.";
 
+        /// <inheritdoc />
         public string Category => "Live TV";
 
-        public Task Execute(System.Threading.CancellationToken cancellationToken, IProgress<double> progress)
+        /// <inheritdoc />
+        public bool IsHidden => _liveTvManager.Services.Count == 1 && GetConfiguration().TunerHosts.Length == 0;
+
+        /// <inheritdoc />
+        public bool IsEnabled => true;
+
+        /// <inheritdoc />
+        public bool IsLogged => true;
+
+        /// <inheritdoc />
+        public string Key => "RefreshGuide";
+
+        /// <inheritdoc />
+        public Task Execute(CancellationToken cancellationToken, IProgress<double> progress)
         {
             var manager = (LiveTvManager)_liveTvManager;
 
             return manager.RefreshChannels(progress, cancellationToken);
         }
 
-        /// <summary>
-        /// Creates the triggers that define when the task will run.
-        /// </summary>
-        /// <returns>IEnumerable{BaseTaskTrigger}.</returns>
+        /// <inheritdoc />
         public IEnumerable<TaskTriggerInfo> GetDefaultTriggers()
         {
             return new[]
@@ -51,13 +71,5 @@ namespace Emby.Server.Implementations.LiveTv
         {
             return _config.GetConfiguration<LiveTvOptions>("livetv");
         }
-
-        public bool IsHidden => _liveTvManager.Services.Count == 1 && GetConfiguration().TunerHosts.Length == 0;
-
-        public bool IsEnabled => true;
-
-        public bool IsLogged => true;
-
-        public string Key => "RefreshGuide";
     }
 }
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/BaseTunerHost.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/BaseTunerHost.cs
index fbcd4ef37..5941613cf 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/BaseTunerHost.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/BaseTunerHost.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
@@ -38,6 +40,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
         public virtual bool IsSupported => true;
 
         protected abstract Task<List<ChannelInfo>> GetChannelsInternal(TunerHostInfo tuner, CancellationToken cancellationToken);
+
         public abstract string Type { get; }
 
         public async Task<List<ChannelInfo>> GetChannels(TunerHostInfo tuner, bool enableCache, CancellationToken cancellationToken)
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/Channels.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/Channels.cs
index 740cbb66e..0f0453189 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/Channels.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/Channels.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
 {
     internal class Channels
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/DiscoverResponse.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/DiscoverResponse.cs
index 09d77f838..42068cd34 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/DiscoverResponse.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/DiscoverResponse.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 using System;
 
 namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs
index 324109bcf..011748d1d 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
@@ -10,8 +12,9 @@ using System.Net.Http;
 using System.Text.Json;
 using System.Threading;
 using System.Threading.Tasks;
+using Jellyfin.Extensions;
+using Jellyfin.Extensions.Json;
 using MediaBrowser.Common.Extensions;
-using MediaBrowser.Common.Json;
 using MediaBrowser.Common.Net;
 using MediaBrowser.Controller;
 using MediaBrowser.Controller.Configuration;
@@ -74,7 +77,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
         {
             var model = await GetModelInfo(info, false, cancellationToken).ConfigureAwait(false);
 
-            using var response = await _httpClientFactory.CreateClient(NamedClient.Default).GetAsync(model.LineupURL, HttpCompletionOption.ResponseHeadersRead, cancellationToken).ConfigureAwait(false);
+            using var response = await _httpClientFactory.CreateClient(NamedClient.Default).GetAsync(model.LineupURL ?? model.BaseURL + "/lineup.json", HttpCompletionOption.ResponseHeadersRead, cancellationToken).ConfigureAwait(false);
             await using var stream = await response.Content.ReadAsStreamAsync(cancellationToken).ConfigureAwait(false);
             var lineup = await JsonSerializer.DeserializeAsync<List<Channels>>(stream, _jsonOptions, cancellationToken)
                 .ConfigureAwait(false) ?? new List<Channels>();
@@ -581,7 +584,6 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                     Logger,
                     Config,
                     _appHost,
-                    _networkManager,
                     _streamHelper);
             }
 
@@ -622,7 +624,6 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                 Logger,
                 Config,
                 _appHost,
-                _networkManager,
                 _streamHelper);
         }
 
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs
index a7fda1d72..3016eeda2 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs
index b16ccc561..58e0c7448 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
@@ -10,7 +12,6 @@ using System.Net.Sockets;
 using System.Threading;
 using System.Threading.Tasks;
 using MediaBrowser.Common.Configuration;
-using MediaBrowser.Common.Net;
 using MediaBrowser.Controller;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Model.Dto;
@@ -28,7 +29,6 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
         private readonly IServerApplicationHost _appHost;
         private readonly IHdHomerunChannelCommands _channelCommands;
         private readonly int _numTuners;
-        private readonly INetworkManager _networkManager;
 
         public HdHomerunUdpStream(
             MediaSourceInfo mediaSource,
@@ -40,12 +40,10 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             ILogger logger,
             IConfigurationManager configurationManager,
             IServerApplicationHost appHost,
-            INetworkManager networkManager,
             IStreamHelper streamHelper)
             : base(mediaSource, tunerHostInfo, fileSystem, logger, configurationManager, streamHelper)
         {
             _appHost = appHost;
-            _networkManager = networkManager;
             OriginalStreamId = originalStreamId;
             _channelCommands = channelCommands;
             _numTuners = numTuners;
@@ -126,7 +124,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                 using (udpClient)
                 using (hdHomerunManager)
                 {
-                    if (!(ex is OperationCanceledException))
+                    if (ex is not OperationCanceledException)
                     {
                         Logger.LogError(ex, "Error opening live stream:");
                     }
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs
index f8baf55da..96a678c1d 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/M3UTunerHost.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/M3UTunerHost.cs
index 4b170b2e4..8fa6f5ad6 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/M3UTunerHost.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/M3UTunerHost.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
@@ -27,6 +29,14 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 {
     public class M3UTunerHost : BaseTunerHost, ITunerHost, IConfigurableTunerHost
     {
+        private static readonly string[] _disallowedSharedStreamExtensions =
+        {
+            ".mkv",
+            ".mp4",
+            ".m3u8",
+            ".mpd"
+        };
+
         private readonly IHttpClientFactory _httpClientFactory;
         private readonly IServerApplicationHost _appHost;
         private readonly INetworkManager _networkManager;
@@ -65,7 +75,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
         {
             var channelIdPrefix = GetFullChannelIdPrefix(info);
 
-            return await new M3uParser(Logger, _httpClientFactory, _appHost)
+            return await new M3uParser(Logger, _httpClientFactory)
                 .Parse(info, channelIdPrefix, cancellationToken)
                 .ConfigureAwait(false);
         }
@@ -86,14 +96,6 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
             return Task.FromResult(list);
         }
 
-        private static readonly string[] _disallowedSharedStreamExtensions =
-        {
-            ".mkv",
-            ".mp4",
-            ".m3u8",
-            ".mpd"
-        };
-
         protected override async Task<ILiveStream> GetChannelStream(TunerHostInfo info, ChannelInfo channelInfo, string streamId, List<ILiveStream> currentLiveStreams, CancellationToken cancellationToken)
         {
             var tunerCount = info.TunerCount;
@@ -128,7 +130,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 
         public async Task Validate(TunerHostInfo info)
         {
-            using (var stream = await new M3uParser(Logger, _httpClientFactory, _appHost).GetListingsStream(info, CancellationToken.None).ConfigureAwait(false))
+            using (var stream = await new M3uParser(Logger, _httpClientFactory).GetListingsStream(info, CancellationToken.None).ConfigureAwait(false))
             {
             }
         }
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs
index 84d416149..c9657f605 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
@@ -8,6 +10,7 @@ using System.Net.Http;
 using System.Text.RegularExpressions;
 using System.Threading;
 using System.Threading.Tasks;
+using Jellyfin.Extensions;
 using MediaBrowser.Common.Extensions;
 using MediaBrowser.Common.Net;
 using MediaBrowser.Controller;
@@ -19,15 +22,15 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 {
     public class M3uParser
     {
+        private const string ExtInfPrefix = "#EXTINF:";
+
         private readonly ILogger _logger;
         private readonly IHttpClientFactory _httpClientFactory;
-        private readonly IServerApplicationHost _appHost;
 
-        public M3uParser(ILogger logger, IHttpClientFactory httpClientFactory, IServerApplicationHost appHost)
+        public M3uParser(ILogger logger, IHttpClientFactory httpClientFactory)
         {
             _logger = logger;
             _httpClientFactory = httpClientFactory;
-            _appHost = appHost;
         }
 
         public async Task<List<ChannelInfo>> Parse(TunerHostInfo info, string channelIdPrefix, CancellationToken cancellationToken)
@@ -59,8 +62,6 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
             return File.OpenRead(info.Url);
         }
 
-        private const string ExtInfPrefix = "#EXTINF:";
-
         private async Task<List<ChannelInfo>> GetChannelsAsync(TextReader reader, string channelIdPrefix, string tunerHostId)
         {
             var channels = new List<ChannelInfo>();
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/SharedHttpStream.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/SharedHttpStream.cs
index eeb2426f4..f572151b8 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/SharedHttpStream.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/SharedHttpStream.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
@@ -89,8 +91,6 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 
             var taskCompletionSource = new TaskCompletionSource<bool>();
 
-            var now = DateTime.UtcNow;
-
             _ = StartStreaming(response, taskCompletionSource, LiveStreamCancellationTokenSource.Token);
 
             // OpenedMediaSource.Protocol = MediaProtocol.File;
@@ -118,7 +118,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
             if (!taskCompletionSource.Task.Result)
             {
                 Logger.LogWarning("Zero bytes copied from stream {0} to {1} but no exception raised", GetType().Name, TempFilePath);
-                throw new EndOfStreamException(String.Format(CultureInfo.InvariantCulture, "Zero bytes copied from stream {0}", GetType().Name));
+                throw new EndOfStreamException(string.Format(CultureInfo.InvariantCulture, "Zero bytes copied from stream {0}", GetType().Name));
             }
         }
 
diff --git a/Emby.Server.Implementations/Localization/Core/af.json b/Emby.Server.Implementations/Localization/Core/af.json
index b029b7042..4f21c66bc 100644
--- a/Emby.Server.Implementations/Localization/Core/af.json
+++ b/Emby.Server.Implementations/Localization/Core/af.json
@@ -115,5 +115,7 @@
     "TaskRefreshChapterImages": "Verkry Hoofstuk Beelde",
     "Undefined": "Ongedefineerd",
     "Forced": "Geforseer",
-    "Default": "Oorspronklik"
+    "Default": "Oorspronklik",
+    "TaskCleanActivityLogDescription": "Verwyder aktiwiteitsaantekeninge ouer as die opgestelde ouderdom.",
+    "TaskCleanActivityLog": "Maak Aktiwiteitsaantekeninge Skoon"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/ar.json b/Emby.Server.Implementations/Localization/Core/ar.json
index 4b898e6fe..be629c8a4 100644
--- a/Emby.Server.Implementations/Localization/Core/ar.json
+++ b/Emby.Server.Implementations/Localization/Core/ar.json
@@ -113,5 +113,12 @@
     "TaskRefreshPeopleDescription": "تحديث البيانات الوصفية للممثلين والمخرجين في مكتبة الوسائط الخاصة بك.",
     "TaskRefreshPeople": "إعادة تحميل الأشخاص",
     "TaskCleanLogsDescription": "حذف السجلات الأقدم من {0} يوم.",
-    "TaskCleanLogs": "حذف دليل السجل"
+    "TaskCleanLogs": "حذف دليل السجل",
+    "TaskCleanActivityLogDescription": "يحذف سجل الأنشطة الأقدم من الوقت الموضوع.",
+    "TaskCleanActivityLog": "حذف سجل الأنشطة",
+    "Default": "الإعدادات الافتراضية",
+    "Undefined": "غير معرف",
+    "Forced": "ملحقة",
+    "TaskOptimizeDatabaseDescription": "يضغط قاعدة البيانات ويقتطع المساحة الحرة. تشغيل هذه المهمة بعد فحص المكتبة أو إجراء تغييرات أخرى تشير ضمنًا إلى أن تعديلات قاعدة البيانات قد تؤدي إلى تحسين الأداء.",
+    "TaskOptimizeDatabase": "تحسين قاعدة البيانات"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/bg-BG.json b/Emby.Server.Implementations/Localization/Core/bg-BG.json
index 9db3b50d9..f55287d15 100644
--- a/Emby.Server.Implementations/Localization/Core/bg-BG.json
+++ b/Emby.Server.Implementations/Localization/Core/bg-BG.json
@@ -8,7 +8,7 @@
     "CameraImageUploadedFrom": "Нова снимка от камера беше качена от {0}",
     "Channels": "Канали",
     "ChapterNameValue": "Глава {0}",
-    "Collections": "Поредици",
+    "Collections": "Колекции",
     "DeviceOfflineWithName": "{0} се разкачи",
     "DeviceOnlineWithName": "{0} е свързан",
     "FailedLoginAttemptWithUserName": "Неуспешен опит за влизане от {0}",
@@ -29,17 +29,17 @@
     "Inherit": "Наследяване",
     "ItemAddedWithName": "{0} е добавено към библиотеката",
     "ItemRemovedWithName": "{0} е премахнато от библиотеката",
-    "LabelIpAddressValue": "ИП адрес: {0}",
-    "LabelRunningTimeValue": "Стартирано от: {0}",
+    "LabelIpAddressValue": "IP адрес: {0}",
+    "LabelRunningTimeValue": "Продължителност: {0}",
     "Latest": "Последни",
-    "MessageApplicationUpdated": "Сървърът е обновен",
-    "MessageApplicationUpdatedTo": "Сървърът е обновен до {0}",
-    "MessageNamedServerConfigurationUpdatedWithValue": "Секцията {0} от сървърната конфигурация се актуализира",
-    "MessageServerConfigurationUpdated": "Конфигурацията на сървъра се актуализира",
+    "MessageApplicationUpdated": "Сървърът беше обновен",
+    "MessageApplicationUpdatedTo": "Сървърът беше обновен до {0}",
+    "MessageNamedServerConfigurationUpdatedWithValue": "Секцията {0} от сървърната конфигурация беше актуализирана",
+    "MessageServerConfigurationUpdated": "Конфигурацията на сървъра беше актуализирана",
     "MixedContent": "Смесено съдържание",
     "Movies": "Филми",
     "Music": "Музика",
-    "MusicVideos": "Музикални клипове",
+    "MusicVideos": "Музикални видеа",
     "NameInstallFailed": "{0} не можа да се инсталира",
     "NameSeasonNumber": "Сезон {0}",
     "NameSeasonUnknown": "Неразпознат сезон",
@@ -62,7 +62,7 @@
     "NotificationOptionVideoPlaybackStopped": "Възпроизвеждането на видео е спряно",
     "Photos": "Снимки",
     "Playlists": "Списъци",
-    "Plugin": "Приставка",
+    "Plugin": "Добавка",
     "PluginInstalledWithName": "{0} е инсталиранa",
     "PluginUninstalledWithName": "{0} е деинсталиранa",
     "PluginUpdatedWithName": "{0} е обновенa",
@@ -116,5 +116,9 @@
     "TasksMaintenanceCategory": "Поддръжка",
     "Undefined": "Неопределено",
     "Forced": "Принудително",
-    "Default": "По подразбиране"
+    "Default": "По подразбиране",
+    "TaskCleanActivityLogDescription": "Изтрива записите в дневника с активност по стари от конфигурираната възраст.",
+    "TaskCleanActivityLog": "Изчисти дневника с активност",
+    "TaskOptimizeDatabaseDescription": "Прави базата данни по-компактна и освобождава място. Пускането на тази задача след сканиране на библиотеката или правене на други промени, свързани с модификации на базата данни, може да подобри производителността.",
+    "TaskOptimizeDatabase": "Оптимизирай базата данни"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/bn.json b/Emby.Server.Implementations/Localization/Core/bn.json
index a23037af8..c3fbe2408 100644
--- a/Emby.Server.Implementations/Localization/Core/bn.json
+++ b/Emby.Server.Implementations/Localization/Core/bn.json
@@ -1,7 +1,7 @@
 {
     "DeviceOnlineWithName": "{0}-এর সাথে সংযুক্ত হয়েছে",
     "DeviceOfflineWithName": "{0}-এর সাথে সংযোগ বিচ্ছিন্ন হয়েছে",
-    "Collections": "কলেক্শন",
+    "Collections": "সংগ্রহ",
     "ChapterNameValue": "অধ্যায় {0}",
     "Channels": "চ্যানেল",
     "CameraImageUploadedFrom": "{0} থেকে একটি নতুন ক্যামেরার চিত্র আপলোড করা হয়েছে",
@@ -115,7 +115,7 @@
     "TaskRefreshLibraryDescription": "নতুন ফাইলের জন্য মিডিয়া লাইব্রেরি স্ক্যান এবং মেটাডাটা রিফ্রেশ করুন।",
     "Undefined": "অসঙ্গায়িত",
     "Forced": "জোরকরে",
-    "TaskCleanActivityLogDescription": "নির্ধারিত সময়ের আগের কাজের  হিসাব মুছে দিন খালি করুন",
+    "TaskCleanActivityLogDescription": "নির্ধারিত সময়ের আগের কাজের হিসাব মুছে দিন খালি করুন.",
     "TaskCleanActivityLog": "কাজের ফাইল খালি করুন",
     "Default": "প্রাথমিক"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/ca.json b/Emby.Server.Implementations/Localization/Core/ca.json
index fd8437b6d..1b612dc71 100644
--- a/Emby.Server.Implementations/Localization/Core/ca.json
+++ b/Emby.Server.Implementations/Localization/Core/ca.json
@@ -118,5 +118,7 @@
     "TaskCleanActivityLog": "Buidar Registre d'Activitat",
     "Undefined": "Indefinit",
     "Forced": "Forçat",
-    "Default": "Defecto"
+    "Default": "Defecto",
+    "TaskOptimizeDatabaseDescription": "Compacta la base de dades i trunca l'espai lliure. Executar aquesta tasca després d’escanejar la biblioteca o fer altres canvis que impliquin modificacions a la base de dades pot millorar el rendiment.",
+    "TaskOptimizeDatabase": "Optimitzar la base de dades"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/cs.json b/Emby.Server.Implementations/Localization/Core/cs.json
index 775267183..62b2b6328 100644
--- a/Emby.Server.Implementations/Localization/Core/cs.json
+++ b/Emby.Server.Implementations/Localization/Core/cs.json
@@ -39,7 +39,7 @@
     "MixedContent": "Smíšený obsah",
     "Movies": "Filmy",
     "Music": "Hudba",
-    "MusicVideos": "Hudební klipy",
+    "MusicVideos": "Hudební videa",
     "NameInstallFailed": "Instalace {0} selhala",
     "NameSeasonNumber": "Sezóna {0}",
     "NameSeasonUnknown": "Neznámá sezóna",
@@ -118,5 +118,7 @@
     "TaskCleanActivityLog": "Smazat záznam aktivity",
     "Undefined": "Nedefinované",
     "Forced": "Vynucené",
-    "Default": "Výchozí"
+    "Default": "Výchozí",
+    "TaskOptimizeDatabaseDescription": "Zmenší databázi a odstraní prázdné místo. Spuštění této úlohy po skenování knihovny či jiných změnách databáze může zlepšit výkon.",
+    "TaskOptimizeDatabase": "Optimalizovat databázi"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/da.json b/Emby.Server.Implementations/Localization/Core/da.json
index 051d6d009..b2c484a31 100644
--- a/Emby.Server.Implementations/Localization/Core/da.json
+++ b/Emby.Server.Implementations/Localization/Core/da.json
@@ -39,7 +39,7 @@
     "MixedContent": "Blandet indhold",
     "Movies": "Film",
     "Music": "Musik",
-    "MusicVideos": "Musikvideoer",
+    "MusicVideos": "Musik videoer",
     "NameInstallFailed": "{0} installationen mislykkedes",
     "NameSeasonNumber": "Sæson {0}",
     "NameSeasonUnknown": "Ukendt Sæson",
@@ -118,5 +118,7 @@
     "TaskCleanActivityLog": "Ryd Aktivitetslog",
     "Undefined": "Udefineret",
     "Forced": "Tvunget",
-    "Default": "Standard"
+    "Default": "Standard",
+    "TaskOptimizeDatabaseDescription": "Kompakter database og forkorter fri plads. Ved at køre denne proces efter at scanne biblioteket eller efter at ændre noget som kunne have indflydelse på databasen, kan forbedre ydeevne.",
+    "TaskOptimizeDatabase": "Optimér database"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/de.json b/Emby.Server.Implementations/Localization/Core/de.json
index 9d82b5878..c924e5c15 100644
--- a/Emby.Server.Implementations/Localization/Core/de.json
+++ b/Emby.Server.Implementations/Localization/Core/de.json
@@ -3,7 +3,7 @@
     "AppDeviceValues": "App: {0}, Gerät: {1}",
     "Application": "Anwendung",
     "Artists": "Interpreten",
-    "AuthenticationSucceededWithUserName": "{0} wurde angemeldet",
+    "AuthenticationSucceededWithUserName": "{0} erfolgreich authentifiziert",
     "Books": "Bücher",
     "CameraImageUploadedFrom": "Ein neues Kamerafoto wurde von {0} hochgeladen",
     "Channels": "Kanäle",
@@ -16,7 +16,7 @@
     "Folders": "Verzeichnisse",
     "Genres": "Genres",
     "HeaderAlbumArtists": "Album-Interpreten",
-    "HeaderContinueWatching": "Fortsetzen",
+    "HeaderContinueWatching": "Weiterschauen",
     "HeaderFavoriteAlbums": "Lieblingsalben",
     "HeaderFavoriteArtists": "Lieblings-Interpreten",
     "HeaderFavoriteEpisodes": "Lieblingsepisoden",
@@ -118,5 +118,7 @@
     "TaskCleanActivityLog": "Aktivitätsprotokoll aufräumen",
     "Undefined": "Undefiniert",
     "Forced": "Erzwungen",
-    "Default": "Standard"
+    "Default": "Standard",
+    "TaskOptimizeDatabaseDescription": "Komprimiert die Datenbank und trimmt den freien Speicherplatz. Die Ausführung dieser Aufgabe nach dem Scannen der Bibliothek oder nach anderen Änderungen, die Datenbankänderungen implizieren, kann die Leistung verbessern.",
+    "TaskOptimizeDatabase": "Datenbank optimieren"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/en-GB.json b/Emby.Server.Implementations/Localization/Core/en-GB.json
index 7667612b9..8b2e8b6b1 100644
--- a/Emby.Server.Implementations/Localization/Core/en-GB.json
+++ b/Emby.Server.Implementations/Localization/Core/en-GB.json
@@ -118,5 +118,7 @@
     "TaskCleanActivityLog": "Clean Activity Log",
     "Undefined": "Undefined",
     "Forced": "Forced",
-    "Default": "Default"
+    "Default": "Default",
+    "TaskOptimizeDatabaseDescription": "Compacts database and truncates free space. Running this task after scanning the library or doing other changes that imply database modifications might improve performance.",
+    "TaskOptimizeDatabase": "Optimise database"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/en-US.json b/Emby.Server.Implementations/Localization/Core/en-US.json
index f8f595faa..65964f6d9 100644
--- a/Emby.Server.Implementations/Localization/Core/en-US.json
+++ b/Emby.Server.Implementations/Localization/Core/en-US.json
@@ -117,5 +117,7 @@
     "TaskRefreshChannels": "Refresh Channels",
     "TaskRefreshChannelsDescription": "Refreshes internet channel information.",
     "TaskDownloadMissingSubtitles": "Download missing subtitles",
-    "TaskDownloadMissingSubtitlesDescription": "Searches the internet for missing subtitles based on metadata configuration."
+    "TaskDownloadMissingSubtitlesDescription": "Searches the internet for missing subtitles based on metadata configuration.",
+    "TaskOptimizeDatabase": "Optimize database",
+    "TaskOptimizeDatabaseDescription": "Compacts database and truncates free space. Running this task after scanning the library or doing other changes that imply database modifications might improve performance."
 }
diff --git a/Emby.Server.Implementations/Localization/Core/es-AR.json b/Emby.Server.Implementations/Localization/Core/es-AR.json
index 0d4a14be0..6321f695c 100644
--- a/Emby.Server.Implementations/Localization/Core/es-AR.json
+++ b/Emby.Server.Implementations/Localization/Core/es-AR.json
@@ -118,5 +118,7 @@
     "TaskCleanActivityLog": "Borrar log de actividades",
     "Undefined": "Indefinido",
     "Forced": "Forzado",
-    "Default": "Por Defecto"
+    "Default": "Por Defecto",
+    "TaskOptimizeDatabaseDescription": "Compacta la base de datos y restaura el espacio libre. Ejecutar esta tarea después de actualizar las librerías o realizar otros cambios que impliquen modificar las bases de datos puede mejorar la performance.",
+    "TaskOptimizeDatabase": "Optimización de base de datos"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/es.json b/Emby.Server.Implementations/Localization/Core/es.json
index 16fde325f..7d42182b0 100644
--- a/Emby.Server.Implementations/Localization/Core/es.json
+++ b/Emby.Server.Implementations/Localization/Core/es.json
@@ -70,7 +70,7 @@
     "ScheduledTaskFailedWithName": "{0} falló",
     "ScheduledTaskStartedWithName": "{0} iniciada",
     "ServerNameNeedsToBeRestarted": "{0} necesita ser reiniciado",
-    "Shows": "Series de Televisión",
+    "Shows": "Series",
     "Songs": "Canciones",
     "StartupEmbyServerIsLoading": "Jellyfin Server se está cargando. Vuelve a intentarlo en breve.",
     "SubtitleDownloadFailureForItem": "Error al descargar subtítulos para {0}",
@@ -118,5 +118,7 @@
     "TaskCleanActivityLog": "Limpiar registro de actividad",
     "Undefined": "Indefinido",
     "Forced": "Forzado",
-    "Default": "Predeterminado"
+    "Default": "Predeterminado",
+    "TaskOptimizeDatabase": "Optimizar la base de datos",
+    "TaskOptimizeDatabaseDescription": "Compacta y libera el espacio libre en la base de datos. Ejecutar esta tarea tras escanear la biblioteca o hacer cambios que impliquen modificaciones en la base de datos puede mejorar el rendimiento."
 }
diff --git a/Emby.Server.Implementations/Localization/Core/es_419.json b/Emby.Server.Implementations/Localization/Core/es_419.json
index 6d2a5c7ac..a968c6dab 100644
--- a/Emby.Server.Implementations/Localization/Core/es_419.json
+++ b/Emby.Server.Implementations/Localization/Core/es_419.json
@@ -117,5 +117,7 @@
     "TaskCleanActivityLog": "Limpiar Registro de Actividades",
     "Undefined": "Sin definir",
     "Forced": "Forzado",
-    "Default": "Por Defecto"
+    "Default": "Por Defecto",
+    "TaskOptimizeDatabaseDescription": "Compacta la base de datos y restaura el espacio libre. Ejecutar esta tarea después de actualizar las librerías o realizar otros cambios que impliquen modificar las bases de datos puede mejorar la performance.",
+    "TaskOptimizeDatabase": "Optimización de base de datos"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/fa.json b/Emby.Server.Implementations/Localization/Core/fa.json
index e9e4f61b8..8ab657e5b 100644
--- a/Emby.Server.Implementations/Localization/Core/fa.json
+++ b/Emby.Server.Implementations/Localization/Core/fa.json
@@ -34,7 +34,7 @@
     "Latest": "جدیدترین‌ها",
     "MessageApplicationUpdated": "سرور Jellyfin بروزرسانی شد",
     "MessageApplicationUpdatedTo": "سرور Jellyfin به نسخه {0} بروزرسانی شد",
-    "MessageNamedServerConfigurationUpdatedWithValue": "پکربندی بخش {0} سرور  بروزرسانی شد",
+    "MessageNamedServerConfigurationUpdatedWithValue": "پکربندی بخش {0} سرور بروزرسانی شد",
     "MessageServerConfigurationUpdated": "پیکربندی سرور بروزرسانی شد",
     "MixedContent": "محتوای مخلوط",
     "Movies": "فیلم‌ها",
diff --git a/Emby.Server.Implementations/Localization/Core/fi.json b/Emby.Server.Implementations/Localization/Core/fi.json
index fd6148e78..4a1f4f1d5 100644
--- a/Emby.Server.Implementations/Localization/Core/fi.json
+++ b/Emby.Server.Implementations/Localization/Core/fi.json
@@ -1,5 +1,5 @@
 {
-    "HeaderLiveTV": "Live TV",
+    "HeaderLiveTV": "Suora TV",
     "NewVersionIsAvailable": "Uusi versio Jellyfin-palvelimesta on ladattavissa.",
     "NameSeasonUnknown": "Tuntematon kausi",
     "NameSeasonNumber": "Kausi {0}",
@@ -117,5 +117,7 @@
     "Default": "Oletus",
     "TaskCleanActivityLogDescription": "Poistaa määritettyä ikää vanhemmat tapahtumat toimintahistoriasta.",
     "TaskCleanActivityLog": "Tyhjennä toimintahistoria",
-    "Undefined": "Määrittelemätön"
+    "Undefined": "Määrittelemätön",
+    "TaskOptimizeDatabaseDescription": "Tiivistää ja puhdistaa tietokannan. Tämän toiminnon suorittaminen kirjastojen skannauksen tai muiden tietokantaan liittyvien muutoksien jälkeen voi parantaa suorituskykyä.",
+    "TaskOptimizeDatabase": "Optimoi tietokanta"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/fr.json b/Emby.Server.Implementations/Localization/Core/fr.json
index 1e195378f..0e4c38425 100644
--- a/Emby.Server.Implementations/Localization/Core/fr.json
+++ b/Emby.Server.Implementations/Localization/Core/fr.json
@@ -15,7 +15,7 @@
     "Favorites": "Favoris",
     "Folders": "Dossiers",
     "Genres": "Genres",
-    "HeaderAlbumArtists": "Artistes",
+    "HeaderAlbumArtists": "Artistes de l'album",
     "HeaderContinueWatching": "Continuer à regarder",
     "HeaderFavoriteAlbums": "Albums favoris",
     "HeaderFavoriteArtists": "Artistes préférés",
@@ -39,7 +39,7 @@
     "MixedContent": "Contenu mixte",
     "Movies": "Films",
     "Music": "Musique",
-    "MusicVideos": "Vidéos musicales",
+    "MusicVideos": "Clips musicaux",
     "NameInstallFailed": "{0} échec de l'installation",
     "NameSeasonNumber": "Saison {0}",
     "NameSeasonUnknown": "Saison Inconnue",
@@ -99,7 +99,7 @@
     "TaskRefreshChannels": "Rafraîchir les chaines",
     "TaskCleanTranscodeDescription": "Supprime les fichiers transcodés de plus d'un jour.",
     "TaskCleanTranscode": "Nettoyer les dossier des transcodages",
-    "TaskUpdatePluginsDescription": "Télécharge et installe les mises à jours des extensions configurés pour être mises à jour automatiquement.",
+    "TaskUpdatePluginsDescription": "Télécharge et installe les mises à jours des extensions configurées pour être mises à jour automatiquement.",
     "TaskUpdatePlugins": "Mettre à jour les extensions",
     "TaskRefreshPeopleDescription": "Met à jour les métadonnées pour les acteurs et réalisateurs dans votre bibliothèque.",
     "TaskRefreshPeople": "Rafraîchir les acteurs",
@@ -107,7 +107,7 @@
     "TaskCleanLogs": "Nettoyer le répertoire des journaux",
     "TaskRefreshLibraryDescription": "Scanne toute les bibliothèques pour trouver les nouveaux fichiers et rafraîchit les métadonnées.",
     "TaskRefreshLibrary": "Scanner toutes les Bibliothèques",
-    "TaskRefreshChapterImagesDescription": "Crée des images de miniature pour les vidéos ayant des chapitres.",
+    "TaskRefreshChapterImagesDescription": "Crée des vignettes pour les vidéos ayant des chapitres.",
     "TaskRefreshChapterImages": "Extraire les images de chapitre",
     "TaskCleanCacheDescription": "Supprime les fichiers de cache dont le système n'a plus besoin.",
     "TaskCleanCache": "Vider le répertoire cache",
@@ -118,5 +118,7 @@
     "TaskCleanActivityLog": "Nettoyer le journal d'activité",
     "Undefined": "Non défini",
     "Forced": "Forcé",
-    "Default": "Par défaut"
+    "Default": "Par défaut",
+    "TaskOptimizeDatabaseDescription": "Réduit les espaces vides/inutiles et compacte la base de données. Utiliser cette fonction après une mise à jour de la bibliothèque ou toute autre modification de la base de données peut améliorer les performances du serveur.",
+    "TaskOptimizeDatabase": "Optimiser la base de données"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/gl.json b/Emby.Server.Implementations/Localization/Core/gl.json
index 11139d32a..afb22ab47 100644
--- a/Emby.Server.Implementations/Localization/Core/gl.json
+++ b/Emby.Server.Implementations/Localization/Core/gl.json
@@ -79,5 +79,43 @@
     "PluginUninstalledWithName": "{0} foi desinstalado",
     "PluginInstalledWithName": "{0} foi instalado",
     "Playlists": "Listas de reproducción",
-    "Photos": "Fotos"
+    "Photos": "Fotos",
+    "UserLockedOutWithName": "O usuario {0} foi bloqueado",
+    "UserDownloadingItemWithValues": "{0} está a ser transferido {1}",
+    "UserDeletedWithName": "O usuario {0} foi borrado",
+    "UserCreatedWithName": "O usuario {0} foi creado",
+    "Plugin": "Plugin",
+    "NotificationOptionVideoPlaybackStopped": "Reproducción de vídeo parada",
+    "NotificationOptionVideoPlayback": "Reproducción de vídeo iniciada",
+    "NotificationOptionUserLockedOut": "Usuario bloqueado",
+    "NotificationOptionTaskFailed": "Falla na tarefa axendada",
+    "TaskCleanTranscodeDescription": "Borra os arquivos de transcode anteriores a un día.",
+    "TaskCleanTranscode": "Limpar Directorio de Transcode",
+    "UserStoppedPlayingItemWithValues": "{0} rematou de reproducir {1} en {2}",
+    "UserStartedPlayingItemWithValues": "{0} está reproducindo {1} en {2}",
+    "TaskDownloadMissingSubtitlesDescription": "Busca en internet por subtítulos que faltan baseado na configuración de metadatos.",
+    "TaskDownloadMissingSubtitles": "Descargar subtítulos que faltan",
+    "TaskRefreshChannelsDescription": "Refresca a información do canle de internet.",
+    "TaskRefreshChannels": "Refrescar Canles",
+    "TaskUpdatePluginsDescription": "Descarga e instala actualizacións para plugins que están configurados para actualizarse automáticamente.",
+    "TaskRefreshPeopleDescription": "Actualiza os metadatos dos actores e directores na túa libraría multimedia.",
+    "TaskRefreshPeople": "Refrescar Persoas",
+    "TaskCleanLogsDescription": "Borra arquivos de rexistro que son mais antigos que {0} días.",
+    "TaskRefreshLibraryDescription": "Escanea a tua libraría multimedia buscando novos arquivos e refrescando os metadatos.",
+    "TaskRefreshLibrary": "Escanear Libraría Multimedia",
+    "TaskRefreshChapterImagesDescription": "Crea previsualizacións para videos que teñen capítulos.",
+    "TaskRefreshChapterImages": "Extraer Imaxes dos Capítulos",
+    "TaskCleanCacheDescription": "Borra ficheiros da caché que xa non son necesarios para o sistema.",
+    "TaskCleanCache": "Limpa Directorio de Caché",
+    "TaskCleanActivityLogDescription": "Borra as entradas no rexistro de actividade anteriores á data configurada.",
+    "TasksApplicationCategory": "Aplicación",
+    "ValueSpecialEpisodeName": "Especial - {0}",
+    "ValueHasBeenAddedToLibrary": "{0} foi engadido a túa libraría multimedia",
+    "TasksLibraryCategory": "Libraría",
+    "TasksMaintenanceCategory": "Mantemento",
+    "VersionNumber": "Versión {0}",
+    "UserPolicyUpdatedWithName": "A política de usuario foi actualizada para {0}",
+    "UserPasswordChangedWithName": "Cambiouse o contrasinal para o usuario {0}",
+    "UserOnlineFromDevice": "{0} está en liña desde {1}",
+    "UserOfflineFromDevice": "{0} desconectouse desde {1}"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/hi.json b/Emby.Server.Implementations/Localization/Core/hi.json
index ef3697b15..82dc601bc 100644
--- a/Emby.Server.Implementations/Localization/Core/hi.json
+++ b/Emby.Server.Implementations/Localization/Core/hi.json
@@ -51,5 +51,14 @@
     "Latest": "सबसे नया",
     "LabelIpAddressValue": "आई पी एड्रेस: {0}",
     "ItemRemovedWithName": "{0} लाइब्रेरी में से निकाल दिया है",
-    "HomeVideos": "होम वीडियोस"
+    "HomeVideos": "होम वीडियोस",
+    "NotificationOptionVideoPlayback": "वीडियो प्लेबैक शुरू हुआ",
+    "NotificationOptionUserLockedOut": "उपयोगकर्ता लॉक हो गया",
+    "NotificationOptionTaskFailed": "निर्धारित कार्य विफलता",
+    "NotificationOptionServerRestartRequired": "सर्वर पुनरारंभ आवश्यक है",
+    "NotificationOptionPluginUpdateInstalled": "प्लगइन अद्यतन स्थापित",
+    "NotificationOptionNewLibraryContent": "नई सामग्री जोड़ी गई",
+    "LabelRunningTimeValue": "चलने का समय: {0}",
+    "ItemAddedWithName": "{0} को लाइब्रेरी में जोड़ा गया",
+    "Inherit": "इनहेरिट"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/hu.json b/Emby.Server.Implementations/Localization/Core/hu.json
index ef8070503..255d5427a 100644
--- a/Emby.Server.Implementations/Localization/Core/hu.json
+++ b/Emby.Server.Implementations/Localization/Core/hu.json
@@ -39,7 +39,7 @@
     "MixedContent": "Vegyes tartalom",
     "Movies": "Filmek",
     "Music": "Zene",
-    "MusicVideos": "Zenei videók",
+    "MusicVideos": "Zenei videóklippek",
     "NameInstallFailed": "{0} sikertelen telepítés",
     "NameSeasonNumber": "{0}. évad",
     "NameSeasonUnknown": "Ismeretlen évad",
@@ -74,7 +74,7 @@
     "Songs": "Dalok",
     "StartupEmbyServerIsLoading": "A Jellyfin Szerver betöltődik. Kérlek, próbáld újra hamarosan.",
     "SubtitleDownloadFailureForItem": "Subtitles failed to download for {0}",
-    "SubtitleDownloadFailureFromForItem": "Nem sikerült a felirat letöltése innen:  {0} ehhez: {1}",
+    "SubtitleDownloadFailureFromForItem": "Nem sikerült a felirat letöltése innen: {0} ehhez: {1}",
     "Sync": "Szinkronizál",
     "System": "Rendszer",
     "TvShows": "TV műsorok",
@@ -82,12 +82,12 @@
     "UserCreatedWithName": "{0} felhasználó létrehozva",
     "UserDeletedWithName": "{0} felhasználó törölve",
     "UserDownloadingItemWithValues": "{0} letölti {1}",
-    "UserLockedOutWithName": "{0}  felhasználó zárolva van",
-    "UserOfflineFromDevice": "{0} kijelentkezett innen:  {1}",
+    "UserLockedOutWithName": "{0} felhasználó zárolva van",
+    "UserOfflineFromDevice": "{0} kijelentkezett innen: {1}",
     "UserOnlineFromDevice": "{0} online innen: {1}",
     "UserPasswordChangedWithName": "Jelszó megváltozott a következő felhasználó számára: {0}",
     "UserPolicyUpdatedWithName": "A felhasználói házirend frissítve lett neki: {0}",
-    "UserStartedPlayingItemWithValues": "{0} elkezdte játszani a következőt: {1} itt:  {2}",
+    "UserStartedPlayingItemWithValues": "{0} elkezdte játszani a következőt: {1} itt: {2}",
     "UserStoppedPlayingItemWithValues": "{0} befejezte {1} lejátászását itt: {2}",
     "ValueHasBeenAddedToLibrary": "{0} hozzáadva a médiatárhoz",
     "ValueSpecialEpisodeName": "Special - {0}",
@@ -118,5 +118,7 @@
     "TaskCleanActivityLog": "Tevékenységnapló törlése",
     "Undefined": "Meghatározatlan",
     "Forced": "Kényszerített",
-    "Default": "Alapértelmezett"
+    "Default": "Alapértelmezett",
+    "TaskOptimizeDatabaseDescription": "Tömöríti az adatbázist és csonkolja a szabad helyet. A feladat futtatása a könyvtár beolvasása után, vagy egyéb, adatbázis-módosítást igénylő változtatások végrehajtása javíthatja a teljesítményt.",
+    "TaskOptimizeDatabase": "Adatbázis optimalizálása"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/is.json b/Emby.Server.Implementations/Localization/Core/is.json
index 0f769eaad..b262a8b42 100644
--- a/Emby.Server.Implementations/Localization/Core/is.json
+++ b/Emby.Server.Implementations/Localization/Core/is.json
@@ -25,7 +25,7 @@
     "Channels": "Stöðvar",
     "CameraImageUploadedFrom": "Ný ljósmynd frá myndavél hefur verið hlaðið upp frá {0}",
     "Books": "Bækur",
-    "AuthenticationSucceededWithUserName": "{0} náði að auðkennast",
+    "AuthenticationSucceededWithUserName": "{0} auðkenning tókst",
     "Artists": "Listamaður",
     "Application": "Forrit",
     "AppDeviceValues": "Snjallforrit: {0}, Tæki: {1}",
@@ -106,5 +106,6 @@
     "TasksChannelsCategory": "Netrásir",
     "TasksApplicationCategory": "Forrit",
     "TasksLibraryCategory": "Miðlasafn",
-    "TasksMaintenanceCategory": "Viðhald"
+    "TasksMaintenanceCategory": "Viðhald",
+    "Default": "Sjálfgefið"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/it.json b/Emby.Server.Implementations/Localization/Core/it.json
index 110f8043d..0bde76e74 100644
--- a/Emby.Server.Implementations/Localization/Core/it.json
+++ b/Emby.Server.Implementations/Localization/Core/it.json
@@ -62,7 +62,7 @@
     "NotificationOptionVideoPlaybackStopped": "La riproduzione video è stata interrotta",
     "Photos": "Foto",
     "Playlists": "Playlist",
-    "Plugin": "Plug-in",
+    "Plugin": "Plugin",
     "PluginInstalledWithName": "{0} è stato Installato",
     "PluginUninstalledWithName": "{0} è stato disinstallato",
     "PluginUpdatedWithName": "{0} è stato aggiornato",
@@ -70,7 +70,7 @@
     "ScheduledTaskFailedWithName": "{0} fallito",
     "ScheduledTaskStartedWithName": "{0} avviati",
     "ServerNameNeedsToBeRestarted": "{0} deve essere riavviato",
-    "Shows": "Programmi",
+    "Shows": "Serie TV",
     "Songs": "Canzoni",
     "StartupEmbyServerIsLoading": "Jellyfin server si sta avviando. Per favore riprova più tardi.",
     "SubtitleDownloadFailureForItem": "Impossibile scaricare i sottotitoli per {0}",
@@ -87,7 +87,7 @@
     "UserOnlineFromDevice": "{0} è online su {1}",
     "UserPasswordChangedWithName": "La password è stata cambiata per l'utente {0}",
     "UserPolicyUpdatedWithName": "La policy dell'utente è stata aggiornata per {0}",
-    "UserStartedPlayingItemWithValues": "{0} ha avviato la riproduzione di {1} su {2}",
+    "UserStartedPlayingItemWithValues": "{0} ha avviato la riproduzione di \"{1}\" su {2}",
     "UserStoppedPlayingItemWithValues": "{0} ha interrotto la riproduzione di {1} su {2}",
     "ValueHasBeenAddedToLibrary": "{0} è stato aggiunto alla tua libreria multimediale",
     "ValueSpecialEpisodeName": "Speciale - {0}",
@@ -118,5 +118,7 @@
     "TaskCleanActivityLogDescription": "Elimina gli inserimenti nel registro delle attività più vecchie dell’età configurata.",
     "Undefined": "Non Definito",
     "Forced": "Forzato",
-    "Default": "Predefinito"
+    "Default": "Predefinito",
+    "TaskOptimizeDatabaseDescription": "Compatta Database e tronca spazi liberi. Eseguire questa azione dopo la scansione o dopo aver fatto altri cambiamenti inerenti il database potrebbe aumentarne la performance.",
+    "TaskOptimizeDatabase": "Ottimizza Database"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/ja.json b/Emby.Server.Implementations/Localization/Core/ja.json
index fa0ab8b92..0d90ad31c 100644
--- a/Emby.Server.Implementations/Localization/Core/ja.json
+++ b/Emby.Server.Implementations/Localization/Core/ja.json
@@ -117,5 +117,7 @@
     "TaskCleanActivityLog": "アクティビティの履歴を消去",
     "Undefined": "未定義",
     "Forced": "強制",
-    "Default": "デフォルト"
+    "Default": "デフォルト",
+    "TaskOptimizeDatabaseDescription": "データベースをコンパクトにして、空き領域を切り詰めます。メディアライブラリのスキャン後でこのタスクを実行するとパフォーマンスが向上する可能性があります。",
+    "TaskOptimizeDatabase": "データベースの最適化"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/kk.json b/Emby.Server.Implementations/Localization/Core/kk.json
index 829a29ad4..1b4a18deb 100644
--- a/Emby.Server.Implementations/Localization/Core/kk.json
+++ b/Emby.Server.Implementations/Localization/Core/kk.json
@@ -5,23 +5,23 @@
     "Artists": "Oryndauşylar",
     "AuthenticationSucceededWithUserName": "{0} tüpnūsqalyq rastaluy sättı aiaqtaldy",
     "Books": "Kıtaptar",
-    "CameraImageUploadedFrom": "{0} kamerasynan jaŋa suret jüktep salyndy",
+    "CameraImageUploadedFrom": "{0} kamerasynan jaña suret jüktep salyndy",
     "Channels": "Arnalar",
     "ChapterNameValue": "{0}-sahna",
     "Collections": "Jiyntyqtar",
     "DeviceOfflineWithName": "{0} ajyratylğan",
     "DeviceOnlineWithName": "{0} qosylğan",
     "FailedLoginAttemptWithUserName": "{0} tarapynan kıru äreketı sätsız aiaqtaldy",
-    "Favorites": "Taŋdaulylar",
+    "Favorites": "Tañdaulylar",
     "Folders": "Qaltalar",
     "Genres": "Janrlar",
     "HeaderAlbumArtists": "Älbom oryndauşylary",
     "HeaderContinueWatching": "Qaraudy jalğastyru",
-    "HeaderFavoriteAlbums": "Taŋdauly älbomdar",
-    "HeaderFavoriteArtists": "Taŋdauly oryndauşylar",
-    "HeaderFavoriteEpisodes": "Taŋdauly telebölımder",
-    "HeaderFavoriteShows": "Taŋdauly körsetımder",
-    "HeaderFavoriteSongs": "Taŋdauly äuender",
+    "HeaderFavoriteAlbums": "Tañdauly älbomdar",
+    "HeaderFavoriteArtists": "Tañdauly oryndauşylar",
+    "HeaderFavoriteEpisodes": "Tañdauly telebölımder",
+    "HeaderFavoriteShows": "Tañdauly körsetımder",
+    "HeaderFavoriteSongs": "Tañdauly äuender",
     "HeaderLiveTV": "Efir",
     "HeaderNextUp": "Kezektı",
     "HeaderRecordingGroups": "Jazba toptary",
@@ -31,11 +31,11 @@
     "ItemRemovedWithName": "{0} tasyğyşhanadan alastaldy",
     "LabelIpAddressValue": "IP-mekenjaiy: {0}",
     "LabelRunningTimeValue": "Oinatu uaqyty: {0}",
-    "Latest": "Eŋ keiıngı",
-    "MessageApplicationUpdated": "Jellyfin Serverı jaŋartyldy",
-    "MessageApplicationUpdatedTo": "Jellyfin Serverı {0} nūsqasyna jaŋartyldy",
-    "MessageNamedServerConfigurationUpdatedWithValue": "Server teŋşelımderınıŋ {0} bölımı jaŋartyldy",
-    "MessageServerConfigurationUpdated": "Server teŋşelımderı jaŋartyldy",
+    "Latest": "Eñ keiıngı",
+    "MessageApplicationUpdated": "Jellyfin Serverı jañartyldy",
+    "MessageApplicationUpdatedTo": "Jellyfin Serverı {0} nūsqasyna jañartyldy",
+    "MessageNamedServerConfigurationUpdatedWithValue": "Server teñşelımderınıñ {0} bölımı jañartyldy",
+    "MessageServerConfigurationUpdated": "Server teñşelımderı jañartyldy",
     "MixedContent": "Aralas mazmūn",
     "Movies": "Filmder",
     "Music": "Muzyka",
@@ -43,18 +43,18 @@
     "NameInstallFailed": "{0} ornatyluy sätsız",
     "NameSeasonNumber": "{0}-mausym",
     "NameSeasonUnknown": "Belgısız mausym",
-    "NewVersionIsAvailable": "Jaŋa Jellyfin Server nūsqasy jüktep aluğa qoljetımdı.",
-    "NotificationOptionApplicationUpdateAvailable": "Qoldanba jaŋartuy qoljetımdı",
-    "NotificationOptionApplicationUpdateInstalled": "Qoldanba jaŋartuy ornatyldy",
+    "NewVersionIsAvailable": "Jaña Jellyfin Server nūsqasy jüktep aluğa qoljetımdı.",
+    "NotificationOptionApplicationUpdateAvailable": "Qoldanba jañartuy qoljetımdı",
+    "NotificationOptionApplicationUpdateInstalled": "Qoldanba jañartuy ornatyldy",
     "NotificationOptionAudioPlayback": "Dybys oinatuy bastaldy",
     "NotificationOptionAudioPlaybackStopped": "Dybys oinatuy toqtatyldy",
     "NotificationOptionCameraImageUploaded": "Kameradan fotosuret jüktep salynğan",
     "NotificationOptionInstallationFailed": "Ornatu sätsızdıgı",
-    "NotificationOptionNewLibraryContent": "Jaŋa mazmūn üstelıngen",
+    "NotificationOptionNewLibraryContent": "Jaña mazmūn üstelıngen",
     "NotificationOptionPluginError": "Plagin sätsızdıgı",
     "NotificationOptionPluginInstalled": "Plagin ornatyldy",
     "NotificationOptionPluginUninstalled": "Plagin ornatuy boldyrylmady",
-    "NotificationOptionPluginUpdateInstalled": "Plagin jaŋartuy ornatyldy",
+    "NotificationOptionPluginUpdateInstalled": "Plagin jañartuy ornatyldy",
     "NotificationOptionServerRestartRequired": "Serverdı qaita ıske qosu qajet",
     "NotificationOptionTaskFailed": "Josparlağan tapsyrma sätsızdıgı",
     "NotificationOptionUserLockedOut": "Paidalanuşy qūrsauly",
@@ -65,14 +65,14 @@
     "Plugin": "Plagin",
     "PluginInstalledWithName": "{0} ornatyldy",
     "PluginUninstalledWithName": "{0} joiyldy",
-    "PluginUpdatedWithName": "{0} jaŋartyldy",
+    "PluginUpdatedWithName": "{0} jañartyldy",
     "ProviderValue": "Jetkızuşı: {0}",
     "ScheduledTaskFailedWithName": "{0} sätsız",
     "ScheduledTaskStartedWithName": "{0} ıske qosyldy",
     "ServerNameNeedsToBeRestarted": "{0} qaita ıske qosu qajet",
     "Shows": "Körsetımder",
     "Songs": "Äuender",
-    "StartupEmbyServerIsLoading": "Jellyfin Server jüktelude. Ärekettı köp ūzamai qaitalaŋyz.",
+    "StartupEmbyServerIsLoading": "Jellyfin Server jüktelude. Ärekettı köp ūzamai qaitalañyz.",
     "SubtitleDownloadFailureForItem": "Субтитрлер {0} үшін жүктеліп алынуы сәтсіз",
     "SubtitleDownloadFailureFromForItem": "{1} üşın subtitrlerdı {0} közınen jüktep alu sätsız",
     "Sync": "Ündestıru",
@@ -86,7 +86,7 @@
     "UserOfflineFromDevice": "{0} — {1} tarapynan ajyratyldy",
     "UserOnlineFromDevice": "{0} — {1} tarapynan qosyldy",
     "UserPasswordChangedWithName": "Paidalanuşy {0} üşın paröl özgertıldı",
-    "UserPolicyUpdatedWithName": "Paidalanuşy {0} üşın saiasattary jaŋartyldy",
+    "UserPolicyUpdatedWithName": "Paidalanuşy {0} üşın saiasattary jañartyldy",
     "UserStartedPlayingItemWithValues": "{0} — {2} tarapynan {1} oinatuda",
     "UserStoppedPlayingItemWithValues": "{0} — {2} tarapynan {1} oinatuyn toqtatty",
     "ValueHasBeenAddedToLibrary": "{0} tasyğyşhanağa üstelındı",
@@ -94,10 +94,10 @@
     "VersionNumber": "Nūsqasy {0}",
     "Default": "Ädepkı",
     "TaskDownloadMissingSubtitles": "Joq subtitrlerdı jüktep alu",
-    "TaskRefreshChannels": "Arnalardy jaŋğyrtu",
+    "TaskRefreshChannels": "Arnalardy jañğyrtu",
     "TaskCleanTranscode": "Qaita kodtau katalogyn tazalau",
-    "TaskUpdatePlugins": "Plaginderdı jaŋartu",
-    "TaskRefreshPeople": "Adamdardy jaŋğyrtu",
+    "TaskUpdatePlugins": "Plaginderdı jañartu",
+    "TaskRefreshPeople": "Adamdardy jañğyrtu",
     "TaskCleanLogs": "Jūrnal katalogyn tazalau",
     "TaskRefreshLibrary": "Tasyğyşhanany skanerleu",
     "TaskRefreshChapterImages": "Sahna suretterın şyğaryp alu",
@@ -109,14 +109,16 @@
     "TasksMaintenanceCategory": "Qyzmet körsetu",
     "Undefined": "Anyqtalmağan",
     "Forced": "Mäjbürlı",
-    "TaskDownloadMissingSubtitlesDescription": "Metaderekter teŋşelımderı negızınde joq subtitrlerdı İnternetten ızdeidı.",
-    "TaskRefreshChannelsDescription": "Internet-arnalar mälımetterın jaŋğyrtady.",
+    "TaskDownloadMissingSubtitlesDescription": "Metaderekter teñşelımderı negızınde joq subtitrlerdı İnternetten ızdeidı.",
+    "TaskRefreshChannelsDescription": "Internet-arnalar mälımetterın jañğyrtady.",
     "TaskCleanTranscodeDescription": "Bіr künnen asqan qaita kodtau faildaryn joiady.",
-    "TaskUpdatePluginsDescription": "Avtomatty türde jaŋartuğa teŋşelgen plaginder üşın jaŋartulardy jüktep alady jäne ornatady.",
-    "TaskRefreshPeopleDescription": "Tasyğyşhanadağy aktörler men rejisörler metaderekterın jaŋartady.",
+    "TaskUpdatePluginsDescription": "Avtomatty türde jañartuğa teñşelgen plaginder üşın jañartulardy jüktep alady jäne ornatady.",
+    "TaskRefreshPeopleDescription": "Tasyğyşhanadağy aktörler men rejisörler metaderekterın jañartady.",
     "TaskCleanLogsDescription": "{0} künnen asqan jūrnal faildaryn joiady.",
-    "TaskRefreshLibraryDescription": "Tasyğyşhanadağy jaŋa faildardy skanerleidі jäne metaderekterdı jaŋğyrtady.",
+    "TaskRefreshLibraryDescription": "Tasyğyşhanadağy jaña faildardy skanerleidі jäne metaderekterdı jañğyrtady.",
     "TaskRefreshChapterImagesDescription": "Sahnalary bar beineler üşın nobailar jasaidy.",
     "TaskCleanCacheDescription": "Jüiede qajet emes keştelgen faildardy joiady.",
-    "TaskCleanActivityLogDescription": "Äreket jūrnalyndağy teŋşelgen jasynan asqan jazbalary joiady."
+    "TaskCleanActivityLogDescription": "Äreket jūrnalyndağy teñşelgen jasynan asqan jazbalary joiady.",
+    "TaskOptimizeDatabaseDescription": "Derekqordy qysyp, bos oryndy qysqartady. Būl tapsyrmany tasyğyşhanany skanerlegennen keiın nemese derekqorğa meñzeitın basqa özgertuler ıstelgennen keiın oryndau önımdılıktı damytuy mümkın.",
+    "TaskOptimizeDatabase": "Derekqordy oñtailandyru"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/ko.json b/Emby.Server.Implementations/Localization/Core/ko.json
index 9179bbc8d..409b4d26b 100644
--- a/Emby.Server.Implementations/Localization/Core/ko.json
+++ b/Emby.Server.Implementations/Localization/Core/ko.json
@@ -118,5 +118,7 @@
     "TaskCleanActivityLog": "활동내역청소",
     "Undefined": "일치하지 않음",
     "Forced": "강제하기",
-    "Default": "기본 설정"
+    "Default": "기본 설정",
+    "TaskOptimizeDatabaseDescription": "데이터베이스를 압축하고 사용 가능한 공간을 늘립니다. 라이브러리를 검색한 후 이 작업을 실행하거나 데이터베이스 수정같은 비슷한 작업을 수행하면 성능이 향상될 수 있습니다.",
+    "TaskOptimizeDatabase": "데이터베이스 최적화"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/lt-LT.json b/Emby.Server.Implementations/Localization/Core/lt-LT.json
index 9920ef4d5..f3a131d40 100644
--- a/Emby.Server.Implementations/Localization/Core/lt-LT.json
+++ b/Emby.Server.Implementations/Localization/Core/lt-LT.json
@@ -114,8 +114,9 @@
     "TasksApplicationCategory": "Programa",
     "TasksLibraryCategory": "Mediateka",
     "TasksMaintenanceCategory": "Priežiūra",
-    "TaskCleanActivityLog": "Švarus veiklos žurnalas",
+    "TaskCleanActivityLog": "Išvalyti veiklos žurnalą",
     "Undefined": "Neapibrėžtas",
     "Forced": "Priverstas",
-    "Default": "Numatytas"
+    "Default": "Numatytas",
+    "TaskCleanActivityLogDescription": "Ištrina veiklos žuranlo įrašus, kurie yra senesni nei nustatytas amžius."
 }
diff --git a/Emby.Server.Implementations/Localization/Core/lv.json b/Emby.Server.Implementations/Localization/Core/lv.json
index a46bdc3de..443a74a10 100644
--- a/Emby.Server.Implementations/Localization/Core/lv.json
+++ b/Emby.Server.Implementations/Localization/Core/lv.json
@@ -117,5 +117,7 @@
     "TaskCleanActivityLogDescription": "Nodzēš darbību žurnāla ierakstus, kuri ir vecāki par doto vecumu.",
     "TaskCleanActivityLog": "Notīrīt Darbību Žurnālu",
     "Undefined": "Nenoteikts",
-    "Default": "Noklusējums"
+    "Default": "Noklusējums",
+    "TaskOptimizeDatabaseDescription": "Saspiež datubāzi un atbrīvo atmiņu. Uzdevum palaišana pēc bibliotēku skenēšanas vai citām, ar datubāzi saistītām, izmaiņām iespējams uzlabos ātrdarbību.",
+    "TaskOptimizeDatabase": "Optimizēt datubāzi"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/ml.json b/Emby.Server.Implementations/Localization/Core/ml.json
index e764963cf..435f9b630 100644
--- a/Emby.Server.Implementations/Localization/Core/ml.json
+++ b/Emby.Server.Implementations/Localization/Core/ml.json
@@ -117,5 +117,7 @@
     "Favorites": "പ്രിയങ്കരങ്ങൾ",
     "Books": "പുസ്തകങ്ങൾ",
     "Genres": "വിഭാഗങ്ങൾ",
-    "Channels": "ചാനലുകൾ"
+    "Channels": "ചാനലുകൾ",
+    "TaskOptimizeDatabaseDescription": "ഡാറ്റാബേസ് ചുരുക്കുകയും സ്വതന്ത്ര ഇടം വെട്ടിച്ചുരുക്കുകയും ചെയ്യുന്നു. ലൈബ്രറി സ്‌കാൻ ചെയ്‌തതിനുശേഷം അല്ലെങ്കിൽ ഡാറ്റാബേസ് പരിഷ്‌ക്കരണങ്ങളെ സൂചിപ്പിക്കുന്ന മറ്റ് മാറ്റങ്ങൾ ചെയ്‌തതിന് ശേഷം ഈ ടാസ്‌ക് പ്രവർത്തിപ്പിക്കുന്നത് പ്രകടനം മെച്ചപ്പെടുത്തും.",
+    "TaskOptimizeDatabase": "ഡാറ്റാബേസ് ഒപ്റ്റിമൈസ് ചെയ്യുക"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/ms.json b/Emby.Server.Implementations/Localization/Core/ms.json
index 5e3d095ff..b2dcf270c 100644
--- a/Emby.Server.Implementations/Localization/Core/ms.json
+++ b/Emby.Server.Implementations/Localization/Core/ms.json
@@ -5,7 +5,7 @@
     "Artists": "Artis",
     "AuthenticationSucceededWithUserName": "{0} berjaya disahkan",
     "Books": "Buku-buku",
-    "CameraImageUploadedFrom": "Ada gambar dari kamera yang baru dimuat naik melalui {0}",
+    "CameraImageUploadedFrom": "Gambar baharu telah dimuat naik melalui {0}",
     "Channels": "Saluran",
     "ChapterNameValue": "Bab {0}",
     "Collections": "Koleksi",
@@ -39,29 +39,29 @@
     "MixedContent": "Kandungan campuran",
     "Movies": "Filem",
     "Music": "Muzik",
-    "MusicVideos": "Video muzik",
+    "MusicVideos": "Muzik video",
     "NameInstallFailed": "{0} pemasangan gagal",
     "NameSeasonNumber": "Musim {0}",
     "NameSeasonUnknown": "Musim Tidak Diketahui",
     "NewVersionIsAvailable": "Versi terbaru Jellyfin Server bersedia untuk dimuat turunkan.",
     "NotificationOptionApplicationUpdateAvailable": "Kemas kini aplikasi telah sedia",
-    "NotificationOptionApplicationUpdateInstalled": "Application update installed",
-    "NotificationOptionAudioPlayback": "Audio playback started",
-    "NotificationOptionAudioPlaybackStopped": "Audio playback stopped",
-    "NotificationOptionCameraImageUploaded": "Camera image uploaded",
+    "NotificationOptionApplicationUpdateInstalled": "Kemas kini aplikasi telah dipasang",
+    "NotificationOptionAudioPlayback": "Ulangmain audio bermula",
+    "NotificationOptionAudioPlaybackStopped": "Ulangmain audio dihentikan",
+    "NotificationOptionCameraImageUploaded": "Imej kamera telah dimuatnaik",
     "NotificationOptionInstallationFailed": "Pemasangan gagal",
-    "NotificationOptionNewLibraryContent": "New content added",
-    "NotificationOptionPluginError": "Plugin failure",
-    "NotificationOptionPluginInstalled": "Plugin installed",
+    "NotificationOptionNewLibraryContent": "Kandungan baru telah ditambah",
+    "NotificationOptionPluginError": "Kegagalan plugin",
+    "NotificationOptionPluginInstalled": "Plugin telah dipasang",
     "NotificationOptionPluginUninstalled": "Plugin uninstalled",
     "NotificationOptionPluginUpdateInstalled": "Plugin update installed",
     "NotificationOptionServerRestartRequired": "Server restart required",
     "NotificationOptionTaskFailed": "Scheduled task failure",
     "NotificationOptionUserLockedOut": "User locked out",
     "NotificationOptionVideoPlayback": "Video playback started",
-    "NotificationOptionVideoPlaybackStopped": "Video playback stopped",
-    "Photos": "Photos",
-    "Playlists": "Playlists",
+    "NotificationOptionVideoPlaybackStopped": "Ulangmain video dihentikan",
+    "Photos": "Gambar-gambar",
+    "Playlists": "Senarai main",
     "Plugin": "Plugin",
     "PluginInstalledWithName": "{0} was installed",
     "PluginUninstalledWithName": "{0} was uninstalled",
@@ -71,10 +71,10 @@
     "ScheduledTaskStartedWithName": "{0} bermula",
     "ServerNameNeedsToBeRestarted": "{0} needs to be restarted",
     "Shows": "Series",
-    "Songs": "Songs",
-    "StartupEmbyServerIsLoading": "Jellyfin Server is loading. Please try again shortly.",
+    "Songs": "Lagu-lagu",
+    "StartupEmbyServerIsLoading": "Pelayan Jellyfin sedang dimuatkan. Sila cuba sebentar lagi.",
     "SubtitleDownloadFailureForItem": "Subtitles failed to download for {0}",
-    "SubtitleDownloadFailureFromForItem": "Subtitles failed to download from {0} for {1}",
+    "SubtitleDownloadFailureFromForItem": "Muat turun sarikata gagal dari {0} untuk {1}",
     "Sync": "Sync",
     "System": "Sistem",
     "TvShows": "TV Shows",
@@ -82,14 +82,32 @@
     "UserCreatedWithName": "User {0} has been created",
     "UserDeletedWithName": "User {0} has been deleted",
     "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}",
+    "UserLockedOutWithName": "Pengguna {0} telah dikunci",
+    "UserOfflineFromDevice": "{0} telah terputus dari {1}",
+    "UserOnlineFromDevice": "{0} berada dalam talian dari {1}",
+    "UserPasswordChangedWithName": "Kata laluan telah ditukar bagi pengguna {0}",
+    "UserPolicyUpdatedWithName": "Dasar pengguna telah dikemas kini untuk {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": "Khas - {0}",
-    "VersionNumber": "Versi {0}"
+    "VersionNumber": "Versi {0}",
+    "TaskCleanActivityLog": "Log Aktiviti Bersih",
+    "TasksChannelsCategory": "Saluran Internet",
+    "TasksApplicationCategory": "Aplikasi",
+    "TasksLibraryCategory": "Perpustakaan",
+    "TasksMaintenanceCategory": "Penyelenggaraan",
+    "Undefined": "Tidak ditentukan",
+    "Forced": "Paksa",
+    "Default": "Asal",
+    "TaskCleanCache": "Bersihkan Direktori Cache",
+    "TaskCleanActivityLogDescription": "Padamkan entri log aktiviti yang lebih tua daripada usia yang dikonfigurasi.",
+    "TaskRefreshPeople": "Segarkan Orang",
+    "TaskCleanLogsDescription": "Padamkan fail log yang berumur lebih dari {0} hari.",
+    "TaskCleanLogs": "Bersihkan Direktotri Log",
+    "TaskRefreshLibraryDescription": "Imbas perpustakaan media untuk mencari fail-fail baru dan menyegarkan metadata.",
+    "TaskRefreshLibrary": "Imbas Perpustakaan Media",
+    "TaskRefreshChapterImagesDescription": "Membuat gambaran kecil untuk video yang mempunyai bab.",
+    "TaskRefreshChapterImages": "Ekstrak Gambar-gambar Bab",
+    "TaskCleanCacheDescription": "Menghapuskan fail cache yang tidak lagi diperlukan oleh sistem."
 }
diff --git a/Emby.Server.Implementations/Localization/Core/nb.json b/Emby.Server.Implementations/Localization/Core/nb.json
index d5bca9f6c..81c1eefe7 100644
--- a/Emby.Server.Implementations/Localization/Core/nb.json
+++ b/Emby.Server.Implementations/Localization/Core/nb.json
@@ -30,20 +30,20 @@
     "ItemAddedWithName": "{0} ble lagt til i biblioteket",
     "ItemRemovedWithName": "{0} ble fjernet fra biblioteket",
     "LabelIpAddressValue": "IP-adresse: {0}",
-    "LabelRunningTimeValue": "Kjøretid {0}",
+    "LabelRunningTimeValue": "Spilletid {0}",
     "Latest": "Siste",
-    "MessageApplicationUpdated": "Jellyfin Server har blitt oppdatert",
-    "MessageApplicationUpdatedTo": "Jellyfin Server ble oppdatert til {0}",
-    "MessageNamedServerConfigurationUpdatedWithValue": "Serverkonfigurasjon seksjon {0} har blitt oppdatert",
-    "MessageServerConfigurationUpdated": "Serverkonfigurasjon er oppdatert",
+    "MessageApplicationUpdated": "Jellyfin-tjeneren har blitt oppdatert",
+    "MessageApplicationUpdatedTo": "Jellyfin-tjeneren ble oppdatert til {0}",
+    "MessageNamedServerConfigurationUpdatedWithValue": "Tjenerkonfigurasjonsseksjon {0} har blitt oppdatert",
+    "MessageServerConfigurationUpdated": "Tjenerkonfigurasjon er oppdatert",
     "MixedContent": "Blandet innhold",
     "Movies": "Filmer",
     "Music": "Musikk",
     "MusicVideos": "Musikkvideoer",
-    "NameInstallFailed": "{0}-installasjonen mislyktes",
+    "NameInstallFailed": "Installasjonen av {0} mislyktes",
     "NameSeasonNumber": "Sesong {0}",
-    "NameSeasonUnknown": "Sesong ukjent",
-    "NewVersionIsAvailable": "En ny versjon av Jellyfin Server er tilgjengelig for nedlasting.",
+    "NameSeasonUnknown": "Ukjent sesong",
+    "NewVersionIsAvailable": "En ny versjon av Jellyfin-tjeneren er tilgjengelig for nedlasting.",
     "NotificationOptionApplicationUpdateAvailable": "En programvareoppdatering er tilgjengelig",
     "NotificationOptionApplicationUpdateInstalled": "Applikasjonsoppdatering installert",
     "NotificationOptionAudioPlayback": "Lydavspilling startet",
@@ -51,18 +51,18 @@
     "NotificationOptionCameraImageUploaded": "Kamerabilde lastet opp",
     "NotificationOptionInstallationFailed": "Installasjonen feilet",
     "NotificationOptionNewLibraryContent": "Nytt innhold lagt til",
-    "NotificationOptionPluginError": "Pluginfeil",
-    "NotificationOptionPluginInstalled": "Plugin installert",
-    "NotificationOptionPluginUninstalled": "Plugin avinstallert",
-    "NotificationOptionPluginUpdateInstalled": "Pluginoppdatering installert",
-    "NotificationOptionServerRestartRequired": "Serveromstart er nødvendig",
+    "NotificationOptionPluginError": "Programvareutvidelsesfeil",
+    "NotificationOptionPluginInstalled": "Programvareutvidelse installert",
+    "NotificationOptionPluginUninstalled": "Programvareutvidelse avinstallert",
+    "NotificationOptionPluginUpdateInstalled": "Programvareutvidelsesoppdatering installert",
+    "NotificationOptionServerRestartRequired": "Tjeneromstart er nødvendig",
     "NotificationOptionTaskFailed": "Feil under utføring av planlagt oppgave",
     "NotificationOptionUserLockedOut": "Bruker er utestengt",
     "NotificationOptionVideoPlayback": "Videoavspilling startet",
     "NotificationOptionVideoPlaybackStopped": "Videoavspilling stoppet",
     "Photos": "Bilder",
     "Playlists": "Spillelister",
-    "Plugin": "Plugin",
+    "Plugin": "Programvareutvidelse",
     "PluginInstalledWithName": "{0} ble installert",
     "PluginUninstalledWithName": "{0} ble avinstallert",
     "PluginUpdatedWithName": "{0} ble oppdatert",
@@ -72,7 +72,7 @@
     "ServerNameNeedsToBeRestarted": "{0} må startes på nytt",
     "Shows": "Program",
     "Songs": "Sanger",
-    "StartupEmbyServerIsLoading": "Jellyfin Server laster. Prøv igjen snart.",
+    "StartupEmbyServerIsLoading": "Jellyfin-tjener laster. Prøv igjen snart.",
     "SubtitleDownloadFailureForItem": "En feil oppstå under nedlasting av undertekster for  {0}",
     "SubtitleDownloadFailureFromForItem": "Kunne ikke laste ned undertekster fra {0} for {1}",
     "Sync": "Synkroniser",
@@ -86,37 +86,38 @@
     "UserOfflineFromDevice": "{0} har koblet fra {1}",
     "UserOnlineFromDevice": "{0} er tilkoblet fra {1}",
     "UserPasswordChangedWithName": "Passordet for {0} er oppdatert",
-    "UserPolicyUpdatedWithName": "Brukerpolicyen har blitt oppdatert for {0}",
+    "UserPolicyUpdatedWithName": "Brukerretningslinjene har blitt oppdatert for {0}",
     "UserStartedPlayingItemWithValues": "{0} har startet avspilling {1} på {2}",
-    "UserStoppedPlayingItemWithValues": "{0} har stoppet avspilling  {1}",
+    "UserStoppedPlayingItemWithValues": "{0} har stoppet avspilling {1}",
     "ValueHasBeenAddedToLibrary": "{0} har blitt lagt til i mediebiblioteket ditt",
     "ValueSpecialEpisodeName": "Spesialepisode - {0}",
     "VersionNumber": "Versjon {0}",
-    "TasksChannelsCategory": "Internett kanaler",
+    "TasksChannelsCategory": "Internettkanaler",
     "TasksApplicationCategory": "Applikasjon",
     "TasksLibraryCategory": "Bibliotek",
     "TasksMaintenanceCategory": "Vedlikehold",
-    "TaskCleanCache": "Tøm buffer katalog",
+    "TaskCleanCache": "Tøm hurtigbuffer",
     "TaskRefreshLibrary": "Skann mediebibliotek",
     "TaskRefreshChapterImagesDescription": "Lager forhåndsvisningsbilder for videoer som har kapitler.",
-    "TaskRefreshChapterImages": "Trekk ut Kapittelbilder",
+    "TaskRefreshChapterImages": "Trekk ut kapittelbilder",
     "TaskCleanCacheDescription": "Sletter mellomlagrede filer som ikke lengre trengs av systemet.",
-    "TaskDownloadMissingSubtitlesDescription": "Søker etter manglende underteksting på nett basert på metadatakonfigurasjon.",
-    "TaskDownloadMissingSubtitles": "Last ned manglende underteksting",
-    "TaskRefreshChannelsDescription": "Frisker opp internettkanalinformasjon.",
-    "TaskRefreshChannels": "Oppfrisk kanaler",
+    "TaskDownloadMissingSubtitlesDescription": "Søker etter manglende undertekster på nett basert på metadatakonfigurasjon.",
+    "TaskDownloadMissingSubtitles": "Last ned manglende undertekster",
+    "TaskRefreshChannelsDescription": "Oppdaterer internettkanalinformasjon.",
+    "TaskRefreshChannels": "Oppdater kanaler",
     "TaskCleanTranscodeDescription": "Sletter omkodede filer som er mer enn én dag gamle.",
     "TaskCleanTranscode": "Tøm transkodingmappe",
-    "TaskUpdatePluginsDescription": "Laster ned og installerer oppdateringer for utvidelser som er stilt inn til å oppdatere automatisk.",
-    "TaskUpdatePlugins": "Oppdater utvidelser",
+    "TaskUpdatePluginsDescription": "Laster ned og installerer oppdateringer for programvareutvidelser som er stilt inn til å oppdatere automatisk.",
+    "TaskUpdatePlugins": "Oppdater programvareutvidelse",
     "TaskRefreshPeopleDescription": "Oppdaterer metadata for skuespillere og regissører i mediebiblioteket ditt.",
-    "TaskRefreshPeople": "Oppfrisk personer",
+    "TaskRefreshPeople": "Oppdater personer",
     "TaskCleanLogsDescription": "Sletter loggfiler som er eldre enn {0} dager gamle.",
     "TaskCleanLogs": "Tøm loggmappe",
     "TaskRefreshLibraryDescription": "Skanner mediebibliotekene dine for nye filer og oppdaterer metadata.",
     "TaskCleanActivityLog": "Tøm aktivitetslogg",
     "Undefined": "Udefinert",
-    "Forced": "Tvungen",
+    "Forced": "Tvunget",
     "Default": "Standard",
-    "TaskCleanActivityLogDescription": "Sletter oppføringer i aktivitetsloggen som er eldre enn den konfigurerte alderen."
+    "TaskCleanActivityLogDescription": "Sletter oppføringer i aktivitetsloggen som er eldre enn den konfigurerte alderen.",
+    "TaskOptimizeDatabase": "Optimiser database"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/nl.json b/Emby.Server.Implementations/Localization/Core/nl.json
index ffc329e35..f79840c78 100644
--- a/Emby.Server.Implementations/Localization/Core/nl.json
+++ b/Emby.Server.Implementations/Localization/Core/nl.json
@@ -1,11 +1,11 @@
 {
     "Albums": "Albums",
     "AppDeviceValues": "App: {0}, Apparaat: {1}",
-    "Application": "Applicatie",
+    "Application": "Toepassing",
     "Artists": "Artiesten",
-    "AuthenticationSucceededWithUserName": "{0} is succesvol geverifieerd",
+    "AuthenticationSucceededWithUserName": "{0} is succesvol geauthenticeerd",
     "Books": "Boeken",
-    "CameraImageUploadedFrom": "Er is een nieuwe camera afbeelding toegevoegd via {0}",
+    "CameraImageUploadedFrom": "Nieuwe camera afbeelding toegevoegd vanaf {0}",
     "Channels": "Kanalen",
     "ChapterNameValue": "Hoofdstuk {0}",
     "Collections": "Verzamelingen",
@@ -25,7 +25,7 @@
     "HeaderLiveTV": "Live TV",
     "HeaderNextUp": "Volgende",
     "HeaderRecordingGroups": "Opnamegroepen",
-    "HomeVideos": "Home video's",
+    "HomeVideos": "Thuis video's",
     "Inherit": "Erven",
     "ItemAddedWithName": "{0} is toegevoegd aan de bibliotheek",
     "ItemRemovedWithName": "{0} is verwijderd uit de bibliotheek",
@@ -92,11 +92,11 @@
     "ValueHasBeenAddedToLibrary": "{0} is toegevoegd aan je mediabibliotheek",
     "ValueSpecialEpisodeName": "Speciaal - {0}",
     "VersionNumber": "Versie {0}",
-    "TaskDownloadMissingSubtitlesDescription": "Zoekt op het internet naar missende ondertitels gebaseerd op metadata configuratie.",
-    "TaskDownloadMissingSubtitles": "Download missende ondertitels",
+    "TaskDownloadMissingSubtitlesDescription": "Zoekt op het internet naar missende ondertiteling gebaseerd op metadata configuratie.",
+    "TaskDownloadMissingSubtitles": "Download missende ondertiteling",
     "TaskRefreshChannelsDescription": "Vernieuwt informatie van internet kanalen.",
     "TaskRefreshChannels": "Vernieuw Kanalen",
-    "TaskCleanTranscodeDescription": "Verwijder transcode bestanden ouder dan 1 dag.",
+    "TaskCleanTranscodeDescription": "Verwijdert transcode bestanden ouder dan 1 dag.",
     "TaskCleanLogs": "Log Folder Opschonen",
     "TaskCleanTranscode": "Transcode Folder Opschonen",
     "TaskUpdatePluginsDescription": "Download en installeert updates voor plugins waar automatisch updaten aan staat.",
@@ -108,15 +108,17 @@
     "TaskRefreshLibrary": "Scan Media Bibliotheek",
     "TaskRefreshChapterImagesDescription": "Maakt thumbnails aan voor videos met hoofdstukken.",
     "TaskRefreshChapterImages": "Hoofdstukafbeeldingen Uitpakken",
-    "TaskCleanCacheDescription": "Verwijder gecachte bestanden die het systeem niet langer nodig heeft.",
+    "TaskCleanCacheDescription": "Verwijdert gecachte bestanden die het systeem niet langer nodig heeft.",
     "TaskCleanCache": "Cache Folder Opschonen",
     "TasksChannelsCategory": "Internet Kanalen",
     "TasksApplicationCategory": "Applicatie",
     "TasksLibraryCategory": "Bibliotheek",
     "TasksMaintenanceCategory": "Onderhoud",
-    "TaskCleanActivityLogDescription": "Verwijder activiteiten logs ouder dan de ingestelde tijd.",
+    "TaskCleanActivityLogDescription": "Verwijdert activiteiten logs ouder dan de ingestelde tijd.",
     "TaskCleanActivityLog": "Leeg activiteiten logboek",
     "Undefined": "Niet gedefinieerd",
     "Forced": "Geforceerd",
-    "Default": "Standaard"
+    "Default": "Standaard",
+    "TaskOptimizeDatabaseDescription": "Comprimeert de database en trimt vrije ruimte. Het uitvoeren van deze taak kan de prestaties verbeteren, na het scannen van de bibliotheek of andere aanpassingen die invloed hebben op de database.",
+    "TaskOptimizeDatabase": "Database optimaliseren"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/nn.json b/Emby.Server.Implementations/Localization/Core/nn.json
index 6236515b2..32d4f3a8b 100644
--- a/Emby.Server.Implementations/Localization/Core/nn.json
+++ b/Emby.Server.Implementations/Localization/Core/nn.json
@@ -1,25 +1,25 @@
 {
-    "MessageServerConfigurationUpdated": "Tenar konfigurasjonen har blitt oppdatert",
+    "MessageServerConfigurationUpdated": "Tenarkonfigurasjonen har blitt oppdatert",
     "MessageNamedServerConfigurationUpdatedWithValue": "Tenar konfigurasjon seksjon {0} har blitt oppdatert",
-    "MessageApplicationUpdatedTo": "Jellyfin Tenaren har blitt oppdatert til {0}",
-    "MessageApplicationUpdated": "Jellyfin Tenaren har blitt oppdatert",
+    "MessageApplicationUpdatedTo": "Jellyfin-tenaren har blitt oppdatert til {0}",
+    "MessageApplicationUpdated": "Jellyfin-tenaren har blitt oppdatert",
     "Latest": "Nyaste",
     "LabelRunningTimeValue": "Speletid: {0}",
-    "LabelIpAddressValue": "IP adresse: {0}",
+    "LabelIpAddressValue": "IP-adresse: {0}",
     "ItemRemovedWithName": "{0} vart fjerna frå biblioteket",
     "ItemAddedWithName": "{0} vart lagt til i biblioteket",
-    "Inherit": "Arv",
-    "HomeVideos": "Heime Videoar",
+    "Inherit": "Arve",
+    "HomeVideos": "Heimevideoar",
     "HeaderRecordingGroups": "Innspelingsgrupper",
     "HeaderNextUp": "Neste",
     "HeaderLiveTV": "Direkte TV",
-    "HeaderFavoriteSongs": "Favoritt Songar",
-    "HeaderFavoriteShows": "Favoritt Seriar",
-    "HeaderFavoriteEpisodes": "Favoritt Episodar",
-    "HeaderFavoriteArtists": "Favoritt Artistar",
-    "HeaderFavoriteAlbums": "Favoritt Album",
+    "HeaderFavoriteSongs": "Favorittsongar",
+    "HeaderFavoriteShows": "Favorittseriar",
+    "HeaderFavoriteEpisodes": "Favorittepisodar",
+    "HeaderFavoriteArtists": "Favorittartistar",
+    "HeaderFavoriteAlbums": "Favorittalbum",
     "HeaderContinueWatching": "Fortsett å sjå",
-    "HeaderAlbumArtists": "Album Artist",
+    "HeaderAlbumArtists": "Albumartist",
     "Genres": "Sjangrar",
     "Folders": "Mapper",
     "Favorites": "Favorittar",
@@ -29,18 +29,18 @@
     "Collections": "Samlingar",
     "ChapterNameValue": "Kapittel {0}",
     "Channels": "Kanalar",
-    "CameraImageUploadedFrom": "Eit nytt kamera bilete har blitt lasta opp frå {0}",
+    "CameraImageUploadedFrom": "Eit nytt kamerabilete har blitt lasta opp frå {0}",
     "Books": "Bøker",
-    "AuthenticationSucceededWithUserName": "{0} Har logga inn",
+    "AuthenticationSucceededWithUserName": "{0} har logga inn",
     "Artists": "Artistar",
     "Application": "Program",
     "AppDeviceValues": "App: {0}, Eining: {1}",
     "Albums": "Album",
     "NotificationOptionServerRestartRequired": "Tenaren krev omstart",
-    "NotificationOptionPluginUpdateInstalled": "Tilleggsprogram-oppdatering vart installert",
-    "NotificationOptionPluginUninstalled": "Tilleggsprogram avinstallert",
-    "NotificationOptionPluginInstalled": "Tilleggsprogram installert",
-    "NotificationOptionPluginError": "Tilleggsprogram feila",
+    "NotificationOptionPluginUpdateInstalled": "Programvaretilleggoppdatering vart installert",
+    "NotificationOptionPluginUninstalled": "Programvaretillegg avinstallert",
+    "NotificationOptionPluginInstalled": "Programvaretillegg installert",
+    "NotificationOptionPluginError": "Programvaretillegg feila",
     "NotificationOptionNewLibraryContent": "Nytt innhald er lagt til",
     "NotificationOptionInstallationFailed": "Installasjonsfeil",
     "NotificationOptionCameraImageUploaded": "Kamerabilde vart lasta opp",
@@ -48,33 +48,33 @@
     "NotificationOptionAudioPlayback": "Lydavspilling påbyrja",
     "NotificationOptionApplicationUpdateInstalled": "Applikasjonsoppdatering er installert",
     "NotificationOptionApplicationUpdateAvailable": "Applikasjonsoppdatering er tilgjengeleg",
-    "NewVersionIsAvailable": "Ein ny versjon av Jellyfin serveren er tilgjengeleg for nedlasting.",
+    "NewVersionIsAvailable": "Ein ny versjon av Jellyfin-tjenaren er tilgjengeleg for nedlasting.",
     "NameSeasonUnknown": "Ukjend sesong",
     "NameSeasonNumber": "Sesong {0}",
-    "NameInstallFailed": "{0} Installasjonen feila",
+    "NameInstallFailed": "Installasjonen av {0} feila",
     "MusicVideos": "Musikkvideoar",
     "Music": "Musikk",
     "Movies": "Filmar",
     "MixedContent": "Blanda innhald",
-    "Sync": "Synkronisera",
+    "Sync": "Synkroniser",
     "TaskDownloadMissingSubtitlesDescription": "Søk Internettet for manglande undertekstar basert på metadatainnstillingar.",
     "TaskDownloadMissingSubtitles": "Last ned manglande undertekstar",
     "TaskRefreshChannelsDescription": "Oppdater internettkanalinformasjon.",
     "TaskRefreshChannels": "Oppdater kanalar",
-    "TaskCleanTranscodeDescription": "Slett transkodefiler som er meir enn ein dag gamal.",
-    "TaskCleanTranscode": "Reins transkodemappe",
+    "TaskCleanTranscodeDescription": "Slett transkodefiler som er meir enn ein dag gammal.",
+    "TaskCleanTranscode": "Fjern transkodemappe",
     "TaskUpdatePluginsDescription": "Laster ned og installerer oppdateringar for programtillegg som er sette opp til å oppdaterast automatisk.",
-    "TaskUpdatePlugins": "Oppdaterer programtillegg",
+    "TaskUpdatePlugins": "Oppdaterer programvaretillegg",
     "TaskRefreshPeopleDescription": "Oppdaterer metadata for skodespelarar og regissørar i mediebiblioteket ditt.",
     "TaskRefreshPeople": "Oppdater personar",
     "TaskCleanLogsDescription": "Slett loggfiler som er meir enn {0} dagar gamle.",
-    "TaskCleanLogs": "Reins loggmappe",
+    "TaskCleanLogs": "Slett loggmappa",
     "TaskRefreshLibraryDescription": "Skannar mediebiblioteket ditt for nye filer og oppdaterer metadata.",
     "TaskRefreshLibrary": "Skann mediebibliotek",
     "TaskRefreshChapterImagesDescription": "Lager miniatyrbilete for videoar som har kapittel.",
     "TaskRefreshChapterImages": "Trekk ut kapittelbilete",
-    "TaskCleanCacheDescription": "Slettar mellomlagra filer som ikkje lengre trengst av systemet.",
-    "TaskCleanCache": "Rens mappe for hurtiglager",
+    "TaskCleanCacheDescription": "Sletter mellomlagra filer som ikkje lengre trengst av systemet.",
+    "TaskCleanCache": "Fjern hurtigbuffer",
     "TasksChannelsCategory": "Internettkanalar",
     "TasksApplicationCategory": "Applikasjon",
     "TasksLibraryCategory": "Bibliotek",
@@ -96,9 +96,9 @@
     "TvShows": "TV-seriar",
     "System": "System",
     "SubtitleDownloadFailureFromForItem": "Feila å laste ned undertekstar frå {0} for {1}",
-    "StartupEmbyServerIsLoading": "Jellyfintenaren laster. Prøv igjen om litt.",
-    "Songs": "Songar",
-    "Shows": "Program",
+    "StartupEmbyServerIsLoading": "Jellyfin-tenaren laster. Prøv igjen seinare.",
+    "Songs": "Sangar",
+    "Shows": "Seriar",
     "ServerNameNeedsToBeRestarted": "{0} må omstartast",
     "ScheduledTaskStartedWithName": "{0} starta",
     "ScheduledTaskFailedWithName": "{0} feila",
@@ -106,11 +106,16 @@
     "PluginUpdatedWithName": "{0} blei oppdatert",
     "PluginUninstalledWithName": "{0} blei avinstallert",
     "PluginInstalledWithName": "{0} blei installert",
-    "Plugin": "Programtillegg",
-    "Playlists": "Speleliste",
-    "Photos": "Foto",
+    "Plugin": "Programvaretillegg",
+    "Playlists": "Spelelister",
+    "Photos": "Bilete",
     "NotificationOptionVideoPlaybackStopped": "Videoavspeling stoppa",
     "NotificationOptionVideoPlayback": "Videoavspeling starta",
     "NotificationOptionUserLockedOut": "Brukar er utestengd",
-    "NotificationOptionTaskFailed": "Planlagt oppgåve feila"
+    "NotificationOptionTaskFailed": "Planlagt oppgåve feila",
+    "TaskCleanActivityLogDescription": "Sletter aktivitetslogginnlegg som er eldre enn den konfigurerte alderen.",
+    "TaskCleanActivityLog": "Slett aktivitetslogg",
+    "Undefined": "Udefinert",
+    "Forced": "Tvungen",
+    "Default": "Standard"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/pa.json b/Emby.Server.Implementations/Localization/Core/pa.json
index 469fa89b6..d1db09232 100644
--- a/Emby.Server.Implementations/Localization/Core/pa.json
+++ b/Emby.Server.Implementations/Localization/Core/pa.json
@@ -1,5 +1,5 @@
 {
-    "TaskRefreshChapterImages": "ਐਬਸਟਰੈਕਟ ਅਧਿਆਇ ਅਧਿਆਇ",
+    "TaskRefreshChapterImages": "ਐਕਸਟਰੈਕਟ ਚੈਪਟਰ ਚਿੱਤਰ",
     "TaskDownloadMissingSubtitlesDescription": "ਮੈਟਾਡੇਟਾ ਕੌਂਫਿਗਰੇਸ਼ਨ ਦੇ ਅਧਾਰ ਤੇ ਗਾਇਬ ਉਪਸਿਰਲੇਖਾਂ ਲਈ ਇੰਟਰਨੈਟ ਦੀ ਭਾਲ ਕਰਦਾ ਹੈ.",
     "TaskDownloadMissingSubtitles": "ਗਾਇਬ ਉਪਸਿਰਲੇਖ ਡਾ Download ਨਲੋਡ ਕਰੋ",
     "TaskRefreshChannelsDescription": "ਇੰਟਰਨੈੱਟ ਚੈਨਲ ਦੀ ਜਾਣਕਾਰੀ ਨੂੰ ਤਾਜ਼ਾ ਕਰਦਾ ਹੈ.",
diff --git a/Emby.Server.Implementations/Localization/Core/pl.json b/Emby.Server.Implementations/Localization/Core/pl.json
index e3da96a85..275bdec6e 100644
--- a/Emby.Server.Implementations/Localization/Core/pl.json
+++ b/Emby.Server.Implementations/Localization/Core/pl.json
@@ -118,5 +118,6 @@
     "TaskCleanActivityLog": "Czyść dziennik aktywności",
     "Undefined": "Nieustalony",
     "Forced": "Wymuszony",
-    "Default": "Domyślne"
+    "Default": "Domyślne",
+    "TaskOptimizeDatabase": "Optymalizuj bazę danych"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/pt.json b/Emby.Server.Implementations/Localization/Core/pt.json
index f1a78b2d3..b435672ad 100644
--- a/Emby.Server.Implementations/Localization/Core/pt.json
+++ b/Emby.Server.Implementations/Localization/Core/pt.json
@@ -61,7 +61,7 @@
     "NameSeasonUnknown": "Temporada Desconhecida",
     "NameSeasonNumber": "Temporada {0}",
     "NameInstallFailed": "Falha na instalação de {0}",
-    "MusicVideos": "Videoclips",
+    "MusicVideos": "Videoclipes",
     "Music": "Música",
     "MixedContent": "Conteúdo Misto",
     "MessageServerConfigurationUpdated": "A configuração do servidor foi actualizada",
diff --git a/Emby.Server.Implementations/Localization/Core/ru.json b/Emby.Server.Implementations/Localization/Core/ru.json
index 46b47cf4a..248f06c4b 100644
--- a/Emby.Server.Implementations/Localization/Core/ru.json
+++ b/Emby.Server.Implementations/Localization/Core/ru.json
@@ -39,7 +39,7 @@
     "MixedContent": "Смешанное содержимое",
     "Movies": "Кино",
     "Music": "Музыка",
-    "MusicVideos": "Музыкальные клипы",
+    "MusicVideos": "Муз. видео",
     "NameInstallFailed": "Установка {0} неудачна",
     "NameSeasonNumber": "Сезон {0}",
     "NameSeasonUnknown": "Сезон неопознан",
@@ -75,7 +75,7 @@
     "StartupEmbyServerIsLoading": "Jellyfin Server загружается. Повторите попытку в ближайшее время.",
     "SubtitleDownloadFailureForItem": "Субтитры к {0} не удалось загрузить",
     "SubtitleDownloadFailureFromForItem": "Субтитры к {1} не удалось загрузить с {0}",
-    "Sync": "Синхронизация",
+    "Sync": "Синхро",
     "System": "Система",
     "TvShows": "ТВ",
     "User": "Пользователь",
@@ -118,5 +118,7 @@
     "TaskCleanActivityLog": "Очистить журнал активности",
     "Undefined": "Не определено",
     "Forced": "Форсир-ые",
-    "Default": "По умолчанию"
+    "Default": "По умолчанию",
+    "TaskOptimizeDatabaseDescription": "Сжимает базу данных и обрезает свободное место. Выполнение этой задачи после сканирования библиотеки или внесения других изменений, предполагающих модификации базы данных, может повысить производительность.",
+    "TaskOptimizeDatabase": "Оптимизировать базу данных"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/sk.json b/Emby.Server.Implementations/Localization/Core/sk.json
index 99fbd3954..37da7d5ab 100644
--- a/Emby.Server.Implementations/Localization/Core/sk.json
+++ b/Emby.Server.Implementations/Localization/Core/sk.json
@@ -118,5 +118,7 @@
     "TaskCleanActivityLog": "Vyčistiť log aktivít",
     "Undefined": "Nedefinované",
     "Forced": "Vynútené",
-    "Default": "Predvolené"
+    "Default": "Predvolené",
+    "TaskOptimizeDatabaseDescription": "Zmenší databázu a odstráni prázdne miesto. Spustenie tejto úlohy po skenovaní knižnice alebo po iných zmenách zahŕňajúcich úpravy databáze môže zlepšiť výkon.",
+    "TaskOptimizeDatabase": "Optimalizovať databázu"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/sl-SI.json b/Emby.Server.Implementations/Localization/Core/sl-SI.json
index 343e067b7..a6fcbd3e2 100644
--- a/Emby.Server.Implementations/Localization/Core/sl-SI.json
+++ b/Emby.Server.Implementations/Localization/Core/sl-SI.json
@@ -16,7 +16,7 @@
     "Folders": "Mape",
     "Genres": "Zvrsti",
     "HeaderAlbumArtists": "Izvajalci albuma",
-    "HeaderContinueWatching": "Nadaljuj z ogledom",
+    "HeaderContinueWatching": "Nadaljuj ogled",
     "HeaderFavoriteAlbums": "Priljubljeni albumi",
     "HeaderFavoriteArtists": "Priljubljeni izvajalci",
     "HeaderFavoriteEpisodes": "Priljubljene epizode",
@@ -90,7 +90,7 @@
     "UserStartedPlayingItemWithValues": "{0} predvaja {1} na {2}",
     "UserStoppedPlayingItemWithValues": "{0} je nehal predvajati {1} na {2}",
     "ValueHasBeenAddedToLibrary": "{0} je bil dodan vaši knjižnici",
-    "ValueSpecialEpisodeName": "Posebna - {0}",
+    "ValueSpecialEpisodeName": "Bonus - {0}",
     "VersionNumber": "Različica {0}",
     "TaskDownloadMissingSubtitles": "Prenesi manjkajoče podnapise",
     "TaskRefreshChannelsDescription": "Osveži podatke spletnih kanalov.",
@@ -118,5 +118,7 @@
     "TaskCleanActivityLog": "Počisti dnevnik aktivnosti",
     "Undefined": "Nedoločen",
     "Forced": "Prisilno",
-    "Default": "Privzeto"
+    "Default": "Privzeto",
+    "TaskOptimizeDatabaseDescription": "Stisne bazo podatkov in uredi prazen prostor. Zagon tega opravila po iskanju predstavnosti ali drugih spremembah ki vplivajo na bazo podatkov lahko izboljša hitrost delovanja.",
+    "TaskOptimizeDatabase": "Optimiziraj bazo podatkov"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/sq.json b/Emby.Server.Implementations/Localization/Core/sq.json
index 0d909b06e..e36fdc43d 100644
--- a/Emby.Server.Implementations/Localization/Core/sq.json
+++ b/Emby.Server.Implementations/Localization/Core/sq.json
@@ -42,8 +42,8 @@
     "Sync": "Sinkronizo",
     "SubtitleDownloadFailureFromForItem": "Titrat deshtuan të shkarkohen nga {0} për {1}",
     "StartupEmbyServerIsLoading": "Serveri Jellyfin po ngarkohet. Ju lutemi provoni përseri pas pak.",
-    "Songs": "Këngë",
-    "Shows": "Seriale",
+    "Songs": "Këngët",
+    "Shows": "Serialet",
     "ServerNameNeedsToBeRestarted": "{0} duhet të ristartoj",
     "ScheduledTaskStartedWithName": "{0} filloi",
     "ScheduledTaskFailedWithName": "{0} dështoi",
@@ -74,9 +74,9 @@
     "NameSeasonUnknown": "Sezon i panjohur",
     "NameSeasonNumber": "Sezoni {0}",
     "NameInstallFailed": "Instalimi i {0} dështoi",
-    "MusicVideos": "Video muzikore",
+    "MusicVideos": "Videot muzikore",
     "Music": "Muzikë",
-    "Movies": "Filma",
+    "Movies": "Filmat",
     "MixedContent": "Përmbajtje e përzier",
     "MessageServerConfigurationUpdated": "Konfigurimet e serverit u përditësuan",
     "MessageNamedServerConfigurationUpdatedWithValue": "Seksioni i konfigurimit të serverit {0} u përditësua",
@@ -97,20 +97,27 @@
     "HeaderFavoriteAlbums": "Albumet e preferuar",
     "HeaderContinueWatching": "Vazhdo të shikosh",
     "HeaderAlbumArtists": "Artistët e albumeve",
-    "Genres": "Zhanre",
-    "Folders": "Dosje",
-    "Favorites": "Të preferuara",
+    "Genres": "Zhanret",
+    "Folders": "Skedarët",
+    "Favorites": "Të preferuarat",
     "FailedLoginAttemptWithUserName": "Përpjekja për hyrje dështoi nga {0}",
     "DeviceOnlineWithName": "{0} u lidh",
     "DeviceOfflineWithName": "{0} u shkëput",
-    "Collections": "Koleksione",
+    "Collections": "Koleksionet",
     "ChapterNameValue": "Kapituj",
-    "Channels": "Kanale",
+    "Channels": "Kanalet",
     "CameraImageUploadedFrom": "Një foto e re nga kamera u ngarkua nga {0}",
-    "Books": "Libra",
+    "Books": "Librat",
     "AuthenticationSucceededWithUserName": "{0} u identifikua me sukses",
-    "Artists": "Artistë",
+    "Artists": "Artistët",
     "Application": "Aplikacioni",
     "AppDeviceValues": "Aplikacioni: {0}, Pajisja: {1}",
-    "Albums": "Albume"
+    "Albums": "Albumet",
+    "TaskCleanActivityLogDescription": "Pastro të dhënat mbi aktivitetin më të vjetra sesa koha e përcaktuar.",
+    "TaskCleanActivityLog": "Pastro të dhënat mbi aktivitetin",
+    "Undefined": "I papërcaktuar",
+    "Forced": "I detyruar",
+    "Default": "Parazgjedhur",
+    "TaskOptimizeDatabaseDescription": "Kompakton bazën e të dhënave dhe shkurton hapësirën e lirë. Drejtimi i kësaj detyre pasi skanoni bibliotekën ose bëni ndryshime të tjera që nënkuptojnë modifikime të bazës së të dhënave mund të përmirësojë performancën.",
+    "TaskOptimizeDatabase": "Optimizo databazën"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/sv.json b/Emby.Server.Implementations/Localization/Core/sv.json
index b5a7fa5b8..d992bf79b 100644
--- a/Emby.Server.Implementations/Localization/Core/sv.json
+++ b/Emby.Server.Implementations/Localization/Core/sv.json
@@ -39,7 +39,7 @@
     "MixedContent": "Blandat innehåll",
     "Movies": "Filmer",
     "Music": "Musik",
-    "MusicVideos": "Musikvideos",
+    "MusicVideos": "Musikvideor",
     "NameInstallFailed": "{0} installationen misslyckades",
     "NameSeasonNumber": "Säsong {0}",
     "NameSeasonUnknown": "Okänd säsong",
diff --git a/Emby.Server.Implementations/Localization/Core/ta.json b/Emby.Server.Implementations/Localization/Core/ta.json
index c737ba42b..d6e9aa8e5 100644
--- a/Emby.Server.Implementations/Localization/Core/ta.json
+++ b/Emby.Server.Implementations/Localization/Core/ta.json
@@ -69,7 +69,7 @@
     "NameSeasonUnknown": "அறியப்படாத பருவம்",
     "NameSeasonNumber": "பருவம் {0}",
     "NameInstallFailed": "{0} நிறுவல் தோல்வியடைந்தது",
-    "MusicVideos": "இசைப்படங்கள்",
+    "MusicVideos": "இசை கானொளி",
     "Music": "இசை",
     "Movies": "திரைப்படங்கள்",
     "Latest": "புதியவை",
@@ -117,5 +117,7 @@
     "TaskCleanActivityLog": "செயல்பாட்டு பதிவை அழி",
     "Undefined": "வரையறுக்கப்படாத",
     "Forced": "கட்டாயப்படுத்தப்பட்டது",
-    "Default": "இயல்புநிலை"
+    "Default": "இயல்புநிலை",
+    "TaskOptimizeDatabaseDescription": "தரவுத்தளத்தை சுருக்கி, இலவச இடத்தை குறைக்கிறது. நூலகத்தை ஸ்கேன் செய்தபின் அல்லது தரவுத்தள மாற்றங்களைக் குறிக்கும் பிற மாற்றங்களைச் செய்தபின் இந்த பணியை இயக்குவது செயல்திறனை மேம்படுத்தக்கூடும்.",
+    "TaskOptimizeDatabase": "தரவுத்தளத்தை மேம்படுத்தவும்"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/th.json b/Emby.Server.Implementations/Localization/Core/th.json
index 5bf58baf8..e26010423 100644
--- a/Emby.Server.Implementations/Localization/Core/th.json
+++ b/Emby.Server.Implementations/Localization/Core/th.json
@@ -113,5 +113,9 @@
     "Sync": "ซิงค์",
     "SubtitleDownloadFailureFromForItem": "ไม่สามารถดาวน์โหลดคำบรรยายจาก {0} สำหรับ {1} ได้",
     "StartupEmbyServerIsLoading": "กำลังโหลดเซิร์ฟเวอร์ Jellyfin โปรดลองอีกครั้งในอีกสักครู่",
-    "Default": "ค่าเริ่มต้น"
+    "Default": "ค่าเริ่มต้น",
+    "TaskCleanActivityLogDescription": "ลบบันทึกกิจกรรมที่เก่ากว่าค่าที่กำหนดไว้",
+    "TaskCleanActivityLog": "ล้างบันทึกกิจกรรม",
+    "Undefined": "ไม่ได้กำหนด",
+    "Forced": "บังคับใช้"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/tr.json b/Emby.Server.Implementations/Localization/Core/tr.json
index c6b904045..771c91d59 100644
--- a/Emby.Server.Implementations/Localization/Core/tr.json
+++ b/Emby.Server.Implementations/Localization/Core/tr.json
@@ -43,7 +43,7 @@
     "NameInstallFailed": "{0} kurulumu başarısız",
     "NameSeasonNumber": "Sezon {0}",
     "NameSeasonUnknown": "Bilinmeyen Sezon",
-    "NewVersionIsAvailable": "Jellyfin Sunucusunun yeni bir versiyonu indirmek için hazır.",
+    "NewVersionIsAvailable": "Jellyfin Sunucusunun yeni bir sürümü indirmek için hazır.",
     "NotificationOptionApplicationUpdateAvailable": "Uygulama güncellemesi mevcut",
     "NotificationOptionApplicationUpdateInstalled": "Uygulama güncellemesi yüklendi",
     "NotificationOptionAudioPlayback": "Ses çalma başladı",
@@ -75,7 +75,7 @@
     "StartupEmbyServerIsLoading": "Jellyfin Sunucusu yükleniyor. Lütfen kısa süre sonra tekrar deneyin.",
     "SubtitleDownloadFailureForItem": "Subtitles failed to download for {0}",
     "SubtitleDownloadFailureFromForItem": "{1} için alt yazılar {0} 'dan indirilemedi",
-    "Sync": "Eşitle",
+    "Sync": "Eşzamanlama",
     "System": "Sistem",
     "TvShows": "Diziler",
     "User": "Kullanıcı",
@@ -89,34 +89,36 @@
     "UserPolicyUpdatedWithName": "Kullanıcı politikası {0} için güncellendi",
     "UserStartedPlayingItemWithValues": "{0}, {2} cihazında {1} izliyor",
     "UserStoppedPlayingItemWithValues": "{0}, {2} cihazında {1} izlemeyi bitirdi",
-    "ValueHasBeenAddedToLibrary": "Medya kitaplığınıza {0} eklendi",
+    "ValueHasBeenAddedToLibrary": "Medya kütüphanenize {0} eklendi",
     "ValueSpecialEpisodeName": "Özel - {0}",
-    "VersionNumber": "Versiyon {0}",
+    "VersionNumber": "Sürüm {0}",
     "TaskCleanCache": "Geçici dosya klasörünü temizle",
     "TasksChannelsCategory": "İnternet kanalları",
     "TasksApplicationCategory": "Uygulama",
     "TasksLibraryCategory": "Kütüphane",
-    "TasksMaintenanceCategory": "Onarım",
+    "TasksMaintenanceCategory": "Bakım",
     "TaskRefreshPeopleDescription": "Medya kütüphanenizdeki videoların oyuncu ve yönetmen bilgilerini günceller.",
     "TaskDownloadMissingSubtitlesDescription": "Metadata ayarlarını baz alarak eksik altyazıları internette arar.",
     "TaskDownloadMissingSubtitles": "Eksik altyazıları indir",
     "TaskRefreshChannelsDescription": "Internet kanal bilgilerini yenile.",
     "TaskRefreshChannels": "Kanalları Yenile",
-    "TaskCleanTranscodeDescription": "Bir günü dolmuş dönüştürme bilgisi içeren dosyaları siler.",
+    "TaskCleanTranscodeDescription": "Bir günden daha eski dönüştürme dosyalarını siler.",
     "TaskCleanTranscode": "Dönüşüm Dizinini Temizle",
     "TaskUpdatePluginsDescription": "Otomatik güncellenmeye ayarlanmış eklentilerin güncellemelerini indirir ve kurar.",
     "TaskUpdatePlugins": "Eklentileri Güncelle",
     "TaskRefreshPeople": "Kullanıcıları Yenile",
-    "TaskCleanLogsDescription": "{0} günden eski log dosyalarını siler.",
-    "TaskCleanLogs": "Log Dizinini Temizle",
-    "TaskRefreshLibraryDescription": "Medya kütüphanenize eklenen yeni dosyaları arar ve bilgileri yeniler.",
+    "TaskCleanLogsDescription": "{0} günden eski günlük dosyalarını siler.",
+    "TaskCleanLogs": "Günlük Dizinini Temizle",
+    "TaskRefreshLibraryDescription": "Medya kütüphanenize eklenen yeni dosyaları arar ve ortam bilgilerini yeniler.",
     "TaskRefreshLibrary": "Medya Kütüphanesini Tara",
     "TaskRefreshChapterImagesDescription": "Sahnelere ayrılmış videolar için küçük resimler oluştur.",
     "TaskRefreshChapterImages": "Bölüm Resimlerini Çıkar",
     "TaskCleanCacheDescription": "Sistem tarafından artık ihtiyaç duyulmayan önbellek dosyalarını siler.",
-    "TaskCleanActivityLog": "İşlem Günlüğünü Temizle",
-    "TaskCleanActivityLogDescription": "Belirtilen sureden daha eski etkinlik log kayıtları silindi.",
+    "TaskCleanActivityLog": "Etkinlik Günlüğünü Temizle",
+    "TaskCleanActivityLogDescription": "Yapılandırılan tarihten daha eski olan etkinlik günlüğü girişlerini siler.",
     "Undefined": "Bilinmeyen",
     "Default": "Varsayılan",
-    "Forced": "Zorla"
+    "Forced": "Zorla",
+    "TaskOptimizeDatabaseDescription": "Veritabanını sıkıştırır ve boş alanı keser. Kitaplığı taradıktan sonra veya veritabanında değişiklik anlamına gelen diğer işlemleri yaptıktan sonra bu görevi çalıştırmak performansı artırabilir.",
+    "TaskOptimizeDatabase": "Veritabanını optimize et"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/uk.json b/Emby.Server.Implementations/Localization/Core/uk.json
index b6073bf6a..5a2069df5 100644
--- a/Emby.Server.Implementations/Localization/Core/uk.json
+++ b/Emby.Server.Implementations/Localization/Core/uk.json
@@ -1,5 +1,5 @@
 {
-    "MusicVideos": "Музичні кліпи",
+    "MusicVideos": "Музичні відеокліпи",
     "Music": "Музика",
     "Movies": "Фільми",
     "MessageApplicationUpdatedTo": "Jellyfin Server оновлено до версії {0}",
@@ -113,7 +113,7 @@
     "MessageNamedServerConfigurationUpdatedWithValue": "Розділ конфігурації сервера {0} оновлено",
     "Inherit": "Успадкувати",
     "HeaderRecordingGroups": "Групи запису",
-    "Forced": "Примусово",
+    "Forced": "Форсовані",
     "TaskCleanActivityLogDescription": "Видаляє старші за встановлений термін записи з журналу активності.",
     "TaskCleanActivityLog": "Очистити журнал активності",
     "Undefined": "Не визначено",
diff --git a/Emby.Server.Implementations/Localization/Core/vi.json b/Emby.Server.Implementations/Localization/Core/vi.json
index 58652c469..20ab1dd7d 100644
--- a/Emby.Server.Implementations/Localization/Core/vi.json
+++ b/Emby.Server.Implementations/Localization/Core/vi.json
@@ -117,5 +117,7 @@
     "TaskCleanActivityLog": "Xóa Nhật Ký Hoạt Động",
     "Undefined": "Không Xác Định",
     "Forced": "Bắt Buộc",
-    "Default": "Mặc Định"
+    "Default": "Mặc Định",
+    "TaskOptimizeDatabaseDescription": "Thu gọn cơ sở dữ liệu và cắt bớt dung lượng trống. Chạy tác vụ này sau khi quét thư viện hoặc thực hiện các thay đổi khác ngụ ý sửa đổi cơ sở dữ liệu có thể cải thiện hiệu suất.",
+    "TaskOptimizeDatabase": "Tối ưu hóa cơ sở dữ liệu"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/zh-CN.json b/Emby.Server.Implementations/Localization/Core/zh-CN.json
index 12803456e..faa9c40e2 100644
--- a/Emby.Server.Implementations/Localization/Core/zh-CN.json
+++ b/Emby.Server.Implementations/Localization/Core/zh-CN.json
@@ -118,5 +118,7 @@
     "TaskCleanActivityLogDescription": "删除早于设置时间的活动日志条目。",
     "Undefined": "未定义",
     "Forced": "强制的",
-    "Default": "默认"
+    "Default": "默认",
+    "TaskOptimizeDatabaseDescription": "压缩数据库并优化可用空间，在扫描库或执行其他数据库修改后运行此任务可能会提高性能。",
+    "TaskOptimizeDatabase": "优化数据库"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/zh-TW.json b/Emby.Server.Implementations/Localization/Core/zh-TW.json
index affb0e099..c3b223f63 100644
--- a/Emby.Server.Implementations/Localization/Core/zh-TW.json
+++ b/Emby.Server.Implementations/Localization/Core/zh-TW.json
@@ -37,7 +37,7 @@
     "MixedContent": "混合內容",
     "Movies": "電影",
     "Music": "音樂",
-    "MusicVideos": "音樂MV",
+    "MusicVideos": "音樂錄影帶",
     "NameInstallFailed": "{0} 安裝失敗",
     "NameSeasonNumber": "第 {0} 季",
     "NameSeasonUnknown": "未知季數",
diff --git a/Emby.Server.Implementations/Localization/LocalizationManager.cs b/Emby.Server.Implementations/Localization/LocalizationManager.cs
index 301578616..9808e47de 100644
--- a/Emby.Server.Implementations/Localization/LocalizationManager.cs
+++ b/Emby.Server.Implementations/Localization/LocalizationManager.cs
@@ -1,14 +1,15 @@
+#nullable disable
+
 using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Globalization;
 using System.IO;
-using System.Linq;
 using System.Reflection;
 using System.Text.Json;
 using System.Threading.Tasks;
-using MediaBrowser.Common.Extensions;
-using MediaBrowser.Common.Json;
+using Jellyfin.Extensions;
+using Jellyfin.Extensions.Json;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.Globalization;
@@ -162,12 +163,22 @@ namespace Emby.Server.Implementations.Localization
 
         /// <inheritdoc />
         public CultureDto FindLanguageInfo(string language)
-            => GetCultures()
-                .FirstOrDefault(i =>
-                    string.Equals(i.DisplayName, language, StringComparison.OrdinalIgnoreCase)
-                    || string.Equals(i.Name, language, StringComparison.OrdinalIgnoreCase)
-                    || i.ThreeLetterISOLanguageNames.Contains(language, StringComparer.OrdinalIgnoreCase)
-                    || string.Equals(i.TwoLetterISOLanguageName, language, StringComparison.OrdinalIgnoreCase));
+        {
+            // TODO language should ideally be a ReadOnlySpan but moq cannot mock ref structs
+            for (var i = 0; i < _cultures.Count; i++)
+            {
+                var culture = _cultures[i];
+                if (language.Equals(culture.DisplayName, StringComparison.OrdinalIgnoreCase)
+                    || language.Equals(culture.Name, StringComparison.OrdinalIgnoreCase)
+                    || culture.ThreeLetterISOLanguageNames.Contains(language, StringComparison.OrdinalIgnoreCase)
+                    || language.Equals(culture.TwoLetterISOLanguageName, StringComparison.OrdinalIgnoreCase))
+                {
+                    return culture;
+                }
+            }
+
+            return default;
+        }
 
         /// <inheritdoc />
         public IEnumerable<CountryInfo> GetCountries()
@@ -217,7 +228,7 @@ namespace Emby.Server.Implementations.Localization
                 throw new ArgumentNullException(nameof(rating));
             }
 
-            if (_unratedValues.Contains(rating, StringComparer.OrdinalIgnoreCase))
+            if (_unratedValues.Contains(rating.AsSpan(), StringComparison.OrdinalIgnoreCase))
             {
                 return null;
             }
@@ -245,11 +256,11 @@ namespace Emby.Server.Implementations.Localization
             var index = rating.IndexOf(':', StringComparison.Ordinal);
             if (index != -1)
             {
-                rating = rating.Substring(index).TrimStart(':').Trim();
+                var trimmedRating = rating.AsSpan(index).TrimStart(':').Trim();
 
-                if (!string.IsNullOrWhiteSpace(rating))
+                if (!trimmedRating.IsEmpty)
                 {
-                    return GetRatingLevel(rating);
+                    return GetRatingLevel(trimmedRating.ToString());
                 }
             }
 
@@ -311,7 +322,8 @@ namespace Emby.Server.Implementations.Localization
 
             return _dictionaries.GetOrAdd(
                 culture,
-                f => GetDictionary(Prefix, culture, DefaultCulture + ".json").GetAwaiter().GetResult());
+                (key, localizationManager) => localizationManager.GetDictionary(Prefix, key, DefaultCulture + ".json").GetAwaiter().GetResult(),
+                this);
         }
 
         private async Task<Dictionary<string, string>> GetDictionary(string prefix, string culture, string baseFilename)
diff --git a/Emby.Server.Implementations/MediaEncoder/EncodingManager.cs b/Emby.Server.Implementations/MediaEncoder/EncodingManager.cs
index 031b5d2e7..8aaa1f7bb 100644
--- a/Emby.Server.Implementations/MediaEncoder/EncodingManager.cs
+++ b/Emby.Server.Implementations/MediaEncoder/EncodingManager.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/Net/SocketFactory.cs b/Emby.Server.Implementations/Net/SocketFactory.cs
index 0781a0e33..137728616 100644
--- a/Emby.Server.Implementations/Net/SocketFactory.cs
+++ b/Emby.Server.Implementations/Net/SocketFactory.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/Net/UdpSocket.cs b/Emby.Server.Implementations/Net/UdpSocket.cs
index 4e25768cf..a8b18d292 100644
--- a/Emby.Server.Implementations/Net/UdpSocket.cs
+++ b/Emby.Server.Implementations/Net/UdpSocket.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/Playlists/PlaylistManager.cs b/Emby.Server.Implementations/Playlists/PlaylistManager.cs
index 2d1a559f1..8cafde38e 100644
--- a/Emby.Server.Implementations/Playlists/PlaylistManager.cs
+++ b/Emby.Server.Implementations/Playlists/PlaylistManager.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
@@ -145,7 +147,7 @@ namespace Emby.Server.Implementations.Playlists
 
                 playlist.SetMediaType(options.MediaType);
 
-                parentFolder.AddChild(playlist, CancellationToken.None);
+                parentFolder.AddChild(playlist);
 
                 await playlist.RefreshMetadata(new MetadataRefreshOptions(new DirectoryService(_fileSystem)) { ForceSave = true }, CancellationToken.None)
                     .ConfigureAwait(false);
diff --git a/Emby.Server.Implementations/Plugins/PluginManager.cs b/Emby.Server.Implementations/Plugins/PluginManager.cs
index 14df20936..fc0920edf 100644
--- a/Emby.Server.Implementations/Plugins/PluginManager.cs
+++ b/Emby.Server.Implementations/Plugins/PluginManager.cs
@@ -1,5 +1,3 @@
-#nullable enable
-
 using System;
 using System.Collections.Generic;
 using System.Globalization;
@@ -12,8 +10,8 @@ using System.Text.Json;
 using System.Threading.Tasks;
 using MediaBrowser.Common;
 using MediaBrowser.Common.Extensions;
-using MediaBrowser.Common.Json;
-using MediaBrowser.Common.Json.Converters;
+using Jellyfin.Extensions.Json;
+using Jellyfin.Extensions.Json.Converters;
 using MediaBrowser.Common.Net;
 using MediaBrowser.Common.Plugins;
 using MediaBrowser.Model.Configuration;
@@ -396,7 +394,7 @@ namespace Emby.Server.Implementations.Plugins
                 Category = packageInfo.Category,
                 Changelog = versionInfo.Changelog ?? string.Empty,
                 Description = packageInfo.Description,
-                Id = new Guid(packageInfo.Id),
+                Id = packageInfo.Id,
                 Name = packageInfo.Name,
                 Overview = packageInfo.Overview,
                 Owner = packageInfo.Owner,
@@ -457,7 +455,8 @@ namespace Emby.Server.Implementations.Plugins
             try
             {
                 _logger.LogDebug("Creating instance of {Type}", type);
-                var instance = (IPlugin)ActivatorUtilities.CreateInstance(_appHost.ServiceProvider, type);
+                // _appHost.ServiceProvider is already assigned when we create the plugins
+                var instance = (IPlugin)ActivatorUtilities.CreateInstance(_appHost.ServiceProvider!, type);
                 if (plugin == null)
                 {
                     // Create a dummy record for the providers.
diff --git a/Emby.Server.Implementations/QuickConnect/QuickConnectManager.cs b/Emby.Server.Implementations/QuickConnect/QuickConnectManager.cs
index 0259dc436..898cbedbb 100644
--- a/Emby.Server.Implementations/QuickConnect/QuickConnectManager.cs
+++ b/Emby.Server.Implementations/QuickConnect/QuickConnectManager.cs
@@ -7,7 +7,6 @@ using MediaBrowser.Common.Extensions;
 using MediaBrowser.Controller;
 using MediaBrowser.Controller.Authentication;
 using MediaBrowser.Controller.Configuration;
-using MediaBrowser.Controller.Net;
 using MediaBrowser.Controller.QuickConnect;
 using MediaBrowser.Controller.Security;
 using MediaBrowser.Model.QuickConnect;
@@ -20,14 +19,28 @@ namespace Emby.Server.Implementations.QuickConnect
     /// </summary>
     public class QuickConnectManager : IQuickConnect, IDisposable
     {
-        private readonly RNGCryptoServiceProvider _rng = new RNGCryptoServiceProvider();
-        private readonly ConcurrentDictionary<string, QuickConnectResult> _currentRequests = new ConcurrentDictionary<string, QuickConnectResult>();
+        /// <summary>
+        /// The name of internal access tokens.
+        /// </summary>
+        private const string TokenName = "QuickConnect";
+
+        /// <summary>
+        /// The length of user facing codes.
+        /// </summary>
+        private const int CodeLength = 6;
+
+        /// <summary>
+        /// The time (in minutes) that the quick connect token is valid.
+        /// </summary>
+        private const int Timeout = 10;
+
+        private readonly RNGCryptoServiceProvider _rng = new();
+        private readonly ConcurrentDictionary<string, QuickConnectResult> _currentRequests = new();
 
         private readonly IServerConfigurationManager _config;
         private readonly ILogger<QuickConnectManager> _logger;
-        private readonly IAuthenticationRepository _authenticationRepository;
-        private readonly IAuthorizationContext _authContext;
         private readonly IServerApplicationHost _appHost;
+        private readonly IAuthenticationRepository _authenticationRepository;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="QuickConnectManager"/> class.
@@ -36,86 +49,42 @@ namespace Emby.Server.Implementations.QuickConnect
         /// <param name="config">Configuration.</param>
         /// <param name="logger">Logger.</param>
         /// <param name="appHost">Application host.</param>
-        /// <param name="authContext">Authentication context.</param>
         /// <param name="authenticationRepository">Authentication repository.</param>
         public QuickConnectManager(
             IServerConfigurationManager config,
             ILogger<QuickConnectManager> logger,
             IServerApplicationHost appHost,
-            IAuthorizationContext authContext,
             IAuthenticationRepository authenticationRepository)
         {
             _config = config;
             _logger = logger;
             _appHost = appHost;
-            _authContext = authContext;
             _authenticationRepository = authenticationRepository;
-
-            ReloadConfiguration();
         }
 
-        /// <inheritdoc/>
-        public int CodeLength { get; set; } = 6;
-
-        /// <inheritdoc/>
-        public string TokenName { get; set; } = "QuickConnect";
-
-        /// <inheritdoc/>
-        public QuickConnectState State { get; private set; } = QuickConnectState.Unavailable;
-
-        /// <inheritdoc/>
-        public int Timeout { get; set; } = 5;
-
-        private DateTime DateActivated { get; set; }
+        /// <inheritdoc />
+        public bool IsEnabled => _config.Configuration.QuickConnectAvailable;
 
-        /// <inheritdoc/>
-        public void AssertActive()
+        /// <summary>
+        /// Assert that quick connect is currently active and throws an exception if it is not.
+        /// </summary>
+        private void AssertActive()
         {
-            if (State != QuickConnectState.Active)
+            if (!IsEnabled)
             {
-                throw new ArgumentException("Quick connect is not active on this server");
+                throw new AuthenticationException("Quick connect is not active on this server");
             }
         }
 
         /// <inheritdoc/>
-        public void Activate()
-        {
-            DateActivated = DateTime.UtcNow;
-            SetState(QuickConnectState.Active);
-        }
-
-        /// <inheritdoc/>
-        public void SetState(QuickConnectState newState)
-        {
-            _logger.LogDebug("Changed quick connect state from {State} to {newState}", State, newState);
-
-            ExpireRequests(true);
-
-            State = newState;
-            _config.Configuration.QuickConnectAvailable = newState == QuickConnectState.Available || newState == QuickConnectState.Active;
-            _config.SaveConfiguration();
-
-            _logger.LogDebug("Configuration saved");
-        }
-
-        /// <inheritdoc/>
         public QuickConnectResult TryConnect()
         {
+            AssertActive();
             ExpireRequests();
 
-            if (State != QuickConnectState.Active)
-            {
-                _logger.LogDebug("Refusing quick connect initiation request, current state is {State}", State);
-                throw new AuthenticationException("Quick connect is not active on this server");
-            }
-
+            var secret = GenerateSecureRandom();
             var code = GenerateCode();
-            var result = new QuickConnectResult()
-            {
-                Secret = GenerateSecureRandom(),
-                DateAdded = DateTime.UtcNow,
-                Code = code
-            };
+            var result = new QuickConnectResult(secret, code, DateTime.UtcNow);
 
             _currentRequests[code] = result;
             return result;
@@ -124,12 +93,12 @@ namespace Emby.Server.Implementations.QuickConnect
         /// <inheritdoc/>
         public QuickConnectResult CheckRequestStatus(string secret)
         {
-            ExpireRequests();
             AssertActive();
+            ExpireRequests();
 
             string code = _currentRequests.Where(x => x.Value.Secret == secret).Select(x => x.Value.Code).DefaultIfEmpty(string.Empty).First();
 
-            if (!_currentRequests.TryGetValue(code, out QuickConnectResult result))
+            if (!_currentRequests.TryGetValue(code, out QuickConnectResult? result))
             {
                 throw new ResourceNotFoundException("Unable to find request with provided secret");
             }
@@ -137,8 +106,11 @@ namespace Emby.Server.Implementations.QuickConnect
             return result;
         }
 
-        /// <inheritdoc/>
-        public string GenerateCode()
+        /// <summary>
+        /// Generates a short code to display to the user to uniquely identify this request.
+        /// </summary>
+        /// <returns>A short, unique alphanumeric string.</returns>
+        private string GenerateCode()
         {
             Span<byte> raw = stackalloc byte[4];
 
@@ -159,10 +131,10 @@ namespace Emby.Server.Implementations.QuickConnect
         /// <inheritdoc/>
         public bool AuthorizeRequest(Guid userId, string code)
         {
-            ExpireRequests();
             AssertActive();
+            ExpireRequests();
 
-            if (!_currentRequests.TryGetValue(code, out QuickConnectResult result))
+            if (!_currentRequests.TryGetValue(code, out QuickConnectResult? result))
             {
                 throw new ResourceNotFoundException("Unable to find request");
             }
@@ -172,16 +144,16 @@ namespace Emby.Server.Implementations.QuickConnect
                 throw new InvalidOperationException("Request is already authorized");
             }
 
-            result.Authentication = Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture);
+            var token = Guid.NewGuid();
+            result.Authentication = token;
 
             // Change the time on the request so it expires one minute into the future. It can't expire immediately as otherwise some clients wouldn't ever see that they have been authenticated.
-            var added = result.DateAdded ?? DateTime.UtcNow.Subtract(TimeSpan.FromMinutes(Timeout));
-            result.DateAdded = added.Subtract(TimeSpan.FromMinutes(Timeout - 1));
+            result.DateAdded = DateTime.Now.Add(TimeSpan.FromMinutes(1));
 
             _authenticationRepository.Create(new AuthenticationInfo
             {
                 AppName = TokenName,
-                AccessToken = result.Authentication,
+                AccessToken = token.ToString("N", CultureInfo.InvariantCulture),
                 DateCreated = DateTime.UtcNow,
                 DeviceId = _appHost.SystemId,
                 DeviceName = _appHost.FriendlyName,
@@ -194,28 +166,6 @@ namespace Emby.Server.Implementations.QuickConnect
             return true;
         }
 
-        /// <inheritdoc/>
-        public int DeleteAllDevices(Guid user)
-        {
-            var raw = _authenticationRepository.Get(new AuthenticationInfoQuery()
-            {
-                DeviceId = _appHost.SystemId,
-                UserId = user
-            });
-
-            var tokens = raw.Items.Where(x => x.AppName.StartsWith(TokenName, StringComparison.Ordinal));
-
-            var removed = 0;
-            foreach (var token in tokens)
-            {
-                _authenticationRepository.Delete(token);
-                _logger.LogDebug("Deleted token {AccessToken}", token.AccessToken);
-                removed++;
-            }
-
-            return removed;
-        }
-
         /// <summary>
         /// Dispose.
         /// </summary>
@@ -233,7 +183,7 @@ namespace Emby.Server.Implementations.QuickConnect
         {
             if (disposing)
             {
-                _rng?.Dispose();
+                _rng.Dispose();
             }
         }
 
@@ -245,22 +195,19 @@ namespace Emby.Server.Implementations.QuickConnect
             return Convert.ToHexString(bytes);
         }
 
-        /// <inheritdoc/>
-        public void ExpireRequests(bool expireAll = false)
+        /// <summary>
+        /// Expire quick connect requests that are over the time limit. If <paramref name="expireAll"/> is true, all requests are unconditionally expired.
+        /// </summary>
+        /// <param name="expireAll">If true, all requests will be expired.</param>
+        private void ExpireRequests(bool expireAll = false)
         {
-            // Check if quick connect should be deactivated
-            if (State == QuickConnectState.Active && DateTime.UtcNow > DateActivated.AddMinutes(Timeout) && !expireAll)
-            {
-                _logger.LogDebug("Quick connect time expired, deactivating");
-                SetState(QuickConnectState.Available);
-                expireAll = true;
-            }
+            // All requests before this timestamp have expired
+            var minTime = DateTime.UtcNow.AddMinutes(-Timeout);
 
             // Expire stale connection requests
             foreach (var (_, currentRequest) in _currentRequests)
             {
-                var added = currentRequest.DateAdded ?? DateTime.UnixEpoch;
-                if (expireAll || DateTime.UtcNow > added.AddMinutes(Timeout))
+                if (expireAll || currentRequest.DateAdded < minTime)
                 {
                     var code = currentRequest.Code;
                     _logger.LogDebug("Removing expired request {Code}", code);
@@ -272,10 +219,5 @@ namespace Emby.Server.Implementations.QuickConnect
                 }
             }
         }
-
-        private void ReloadConfiguration()
-        {
-            State = _config.Configuration.QuickConnectAvailable ? QuickConnectState.Available : QuickConnectState.Unavailable;
-        }
     }
 }
diff --git a/Emby.Server.Implementations/ScheduledTasks/ScheduledTaskWorker.cs b/Emby.Server.Implementations/ScheduledTasks/ScheduledTaskWorker.cs
index 101d9b537..b34325041 100644
--- a/Emby.Server.Implementations/ScheduledTasks/ScheduledTaskWorker.cs
+++ b/Emby.Server.Implementations/ScheduledTasks/ScheduledTaskWorker.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
@@ -10,7 +12,7 @@ using System.Threading.Tasks;
 using Jellyfin.Data.Events;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Common.Extensions;
-using MediaBrowser.Common.Json;
+using Jellyfin.Extensions.Json;
 using MediaBrowser.Common.Progress;
 using MediaBrowser.Model.Tasks;
 using Microsoft.Extensions.Logging;
@@ -709,11 +711,7 @@ namespace Emby.Server.Implementations.ScheduledTasks
                     throw new ArgumentException("Info did not contain a TimeOfDayTicks.", nameof(info));
                 }
 
-                return new DailyTrigger
-                {
-                    TimeOfDay = TimeSpan.FromTicks(info.TimeOfDayTicks.Value),
-                    TaskOptions = options
-                };
+                return new DailyTrigger(TimeSpan.FromTicks(info.TimeOfDayTicks.Value), options);
             }
 
             if (info.Type.Equals(nameof(WeeklyTrigger), StringComparison.OrdinalIgnoreCase))
@@ -728,12 +726,7 @@ namespace Emby.Server.Implementations.ScheduledTasks
                     throw new ArgumentException("Info did not contain a DayOfWeek.", nameof(info));
                 }
 
-                return new WeeklyTrigger
-                {
-                    TimeOfDay = TimeSpan.FromTicks(info.TimeOfDayTicks.Value),
-                    DayOfWeek = info.DayOfWeek.Value,
-                    TaskOptions = options
-                };
+                return new WeeklyTrigger(TimeSpan.FromTicks(info.TimeOfDayTicks.Value), info.DayOfWeek.Value, options);
             }
 
             if (info.Type.Equals(nameof(IntervalTrigger), StringComparison.OrdinalIgnoreCase))
@@ -743,16 +736,12 @@ namespace Emby.Server.Implementations.ScheduledTasks
                     throw new ArgumentException("Info did not contain a IntervalTicks.", nameof(info));
                 }
 
-                return new IntervalTrigger
-                {
-                    Interval = TimeSpan.FromTicks(info.IntervalTicks.Value),
-                    TaskOptions = options
-                };
+                return new IntervalTrigger(TimeSpan.FromTicks(info.IntervalTicks.Value), options);
             }
 
             if (info.Type.Equals(nameof(StartupTrigger), StringComparison.OrdinalIgnoreCase))
             {
-                return new StartupTrigger();
+                return new StartupTrigger(options);
             }
 
             throw new ArgumentException("Unrecognized trigger type: " + info.Type);
diff --git a/Emby.Server.Implementations/ScheduledTasks/TaskManager.cs b/Emby.Server.Implementations/ScheduledTasks/TaskManager.cs
index af316e108..4f0df75bf 100644
--- a/Emby.Server.Implementations/ScheduledTasks/TaskManager.cs
+++ b/Emby.Server.Implementations/ScheduledTasks/TaskManager.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/ScheduledTasks/Tasks/ChapterImagesTask.cs b/Emby.Server.Implementations/ScheduledTasks/Tasks/ChapterImagesTask.cs
index 2312c85d9..baeb86a22 100644
--- a/Emby.Server.Implementations/ScheduledTasks/Tasks/ChapterImagesTask.cs
+++ b/Emby.Server.Implementations/ScheduledTasks/Tasks/ChapterImagesTask.cs
@@ -140,8 +140,10 @@ namespace Emby.Server.Implementations.ScheduledTasks
                         previouslyFailedImages.Add(key);
 
                         var parentPath = Path.GetDirectoryName(failHistoryPath);
-
-                        Directory.CreateDirectory(parentPath);
+                        if (parentPath != null)
+                        {
+                            Directory.CreateDirectory(parentPath);
+                        }
 
                         string text = string.Join('|', previouslyFailedImages);
                         File.WriteAllText(failHistoryPath, text);
diff --git a/Emby.Server.Implementations/ScheduledTasks/Tasks/CleanActivityLogTask.cs b/Emby.Server.Implementations/ScheduledTasks/Tasks/CleanActivityLogTask.cs
index 4abbf784b..19600b1e6 100644
--- a/Emby.Server.Implementations/ScheduledTasks/Tasks/CleanActivityLogTask.cs
+++ b/Emby.Server.Implementations/ScheduledTasks/Tasks/CleanActivityLogTask.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading;
@@ -65,7 +65,7 @@ namespace Emby.Server.Implementations.ScheduledTasks.Tasks
                 throw new Exception($"Activity Log Retention days must be at least 0. Currently: {retentionDays}");
             }
 
-            var startDate = DateTime.UtcNow.AddDays(retentionDays.Value * -1);
+            var startDate = DateTime.UtcNow.AddDays(-retentionDays.Value);
             return _activityManager.CleanAsync(startDate);
         }
 
@@ -75,4 +75,4 @@ namespace Emby.Server.Implementations.ScheduledTasks.Tasks
             return Enumerable.Empty<TaskTriggerInfo>();
         }
     }
-}
\ No newline at end of file
+}
diff --git a/Emby.Server.Implementations/ScheduledTasks/Tasks/OptimizeDatabaseTask.cs b/Emby.Server.Implementations/ScheduledTasks/Tasks/OptimizeDatabaseTask.cs
new file mode 100644
index 000000000..1ad1d0f50
--- /dev/null
+++ b/Emby.Server.Implementations/ScheduledTasks/Tasks/OptimizeDatabaseTask.cs
@@ -0,0 +1,101 @@
+using System;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using Jellyfin.Server.Implementations;
+using MediaBrowser.Model.Globalization;
+using MediaBrowser.Model.Tasks;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+
+namespace Emby.Server.Implementations.ScheduledTasks.Tasks
+{
+    /// <summary>
+    /// Optimizes Jellyfin's database by issuing a VACUUM command.
+    /// </summary>
+    public class OptimizeDatabaseTask : IScheduledTask, IConfigurableScheduledTask
+    {
+        private readonly ILogger<OptimizeDatabaseTask> _logger;
+        private readonly ILocalizationManager _localization;
+        private readonly JellyfinDbProvider _provider;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="OptimizeDatabaseTask" /> class.
+        /// </summary>
+        public OptimizeDatabaseTask(
+            ILogger<OptimizeDatabaseTask> logger,
+            ILocalizationManager localization,
+            JellyfinDbProvider provider)
+        {
+            _logger = logger;
+            _localization = localization;
+            _provider = provider;
+        }
+
+        /// <inheritdoc />
+        public string Name => _localization.GetLocalizedString("TaskOptimizeDatabase");
+
+        /// <inheritdoc />
+        public string Description => _localization.GetLocalizedString("TaskOptimizeDatabaseDescription");
+
+        /// <inheritdoc />
+        public string Category => _localization.GetLocalizedString("TasksMaintenanceCategory");
+
+        /// <inheritdoc />
+        public string Key => "OptimizeDatabaseTask";
+
+        /// <inheritdoc />
+        public bool IsHidden => false;
+
+        /// <inheritdoc />
+        public bool IsEnabled => true;
+
+        /// <inheritdoc />
+        public bool IsLogged => true;
+
+        /// <summary>
+        /// 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(24).Ticks }
+            };
+        }
+
+        /// <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)
+        {
+            _logger.LogInformation("Optimizing and vacuuming jellyfin.db...");
+
+            try
+            {
+                using var context = _provider.CreateContext();
+                if (context.Database.IsSqlite())
+                {
+                    context.Database.ExecuteSqlRaw("PRAGMA optimize");
+                    context.Database.ExecuteSqlRaw("VACUUM");
+                    _logger.LogInformation("jellyfin.db optimized successfully!");
+                }
+                else
+                {
+                    _logger.LogInformation("This database doesn't support optimization");
+                }
+            }
+            catch (Exception e)
+            {
+                _logger.LogError(e, "Error while optimizing jellyfin.db");
+            }
+
+            return Task.CompletedTask;
+        }
+    }
+}
diff --git a/Emby.Server.Implementations/ScheduledTasks/Triggers/DailyTrigger.cs b/Emby.Server.Implementations/ScheduledTasks/Triggers/DailyTrigger.cs
index 3b40320ab..29ab6a73d 100644
--- a/Emby.Server.Implementations/ScheduledTasks/Triggers/DailyTrigger.cs
+++ b/Emby.Server.Implementations/ScheduledTasks/Triggers/DailyTrigger.cs
@@ -8,29 +8,31 @@ namespace Emby.Server.Implementations.ScheduledTasks
     /// <summary>
     /// Represents a task trigger that fires everyday.
     /// </summary>
-    public class DailyTrigger : ITaskTrigger
+    public sealed class DailyTrigger : ITaskTrigger
     {
-        /// <summary>
-        /// Occurs when [triggered].
-        /// </summary>
-        public event EventHandler<EventArgs> Triggered;
+        private readonly TimeSpan _timeOfDay;
+        private Timer? _timer;
 
         /// <summary>
-        /// Gets or sets the time of day to trigger the task to run.
+        /// Initializes a new instance of the <see cref="DailyTrigger"/> class.
         /// </summary>
-        /// <value>The time of day.</value>
-        public TimeSpan TimeOfDay { get; set; }
+        /// <param name="timeofDay">The time of day to trigger the task to run.</param>
+        /// <param name="taskOptions">The options of this task.</param>
+        public DailyTrigger(TimeSpan timeofDay, TaskOptions taskOptions)
+        {
+            _timeOfDay = timeofDay;
+            TaskOptions = taskOptions;
+        }
 
         /// <summary>
-        /// Gets or sets the options of this task.
+        /// Occurs when [triggered].
         /// </summary>
-        public TaskOptions TaskOptions { get; set; }
+        public event EventHandler<EventArgs>? Triggered;
 
         /// <summary>
-        /// Gets or sets the timer.
+        /// Gets the options of this task.
         /// </summary>
-        /// <value>The timer.</value>
-        private Timer Timer { get; set; }
+        public TaskOptions TaskOptions { get; }
 
         /// <summary>
         /// Stars waiting for the trigger action.
@@ -45,14 +47,14 @@ namespace Emby.Server.Implementations.ScheduledTasks
 
             var now = DateTime.Now;
 
-            var triggerDate = now.TimeOfDay > TimeOfDay ? now.Date.AddDays(1) : now.Date;
-            triggerDate = triggerDate.Add(TimeOfDay);
+            var triggerDate = now.TimeOfDay > _timeOfDay ? now.Date.AddDays(1) : now.Date;
+            triggerDate = triggerDate.Add(_timeOfDay);
 
             var dueTime = triggerDate - now;
 
             logger.LogInformation("Daily trigger for {Task} set to fire at {TriggerDate:yyyy-MM-dd HH:mm:ss.fff zzz}, which is {DueTime:c} from now.", taskName, triggerDate, dueTime);
 
-            Timer = new Timer(state => OnTriggered(), null, dueTime, TimeSpan.FromMilliseconds(-1));
+            _timer = new Timer(state => OnTriggered(), null, dueTime, TimeSpan.FromMilliseconds(-1));
         }
 
         /// <summary>
@@ -68,10 +70,7 @@ namespace Emby.Server.Implementations.ScheduledTasks
         /// </summary>
         private void DisposeTimer()
         {
-            if (Timer != null)
-            {
-                Timer.Dispose();
-            }
+            _timer?.Dispose();
         }
 
         /// <summary>
diff --git a/Emby.Server.Implementations/ScheduledTasks/Triggers/IntervalTrigger.cs b/Emby.Server.Implementations/ScheduledTasks/Triggers/IntervalTrigger.cs
index b04fd7c7e..30568e809 100644
--- a/Emby.Server.Implementations/ScheduledTasks/Triggers/IntervalTrigger.cs
+++ b/Emby.Server.Implementations/ScheduledTasks/Triggers/IntervalTrigger.cs
@@ -9,31 +9,32 @@ namespace Emby.Server.Implementations.ScheduledTasks
     /// <summary>
     /// Represents a task trigger that runs repeatedly on an interval.
     /// </summary>
-    public class IntervalTrigger : ITaskTrigger
+    public sealed class IntervalTrigger : ITaskTrigger
     {
+        private readonly TimeSpan _interval;
         private DateTime _lastStartDate;
+        private Timer? _timer;
 
         /// <summary>
-        /// Occurs when [triggered].
+        /// Initializes a new instance of the <see cref="IntervalTrigger"/> class.
         /// </summary>
-        public event EventHandler<EventArgs> Triggered;
-
-        /// <summary>
-        /// Gets or sets the interval.
-        /// </summary>
-        /// <value>The interval.</value>
-        public TimeSpan Interval { get; set; }
+        /// <param name="interval">The interval.</param>
+        /// <param name="taskOptions">The options of this task.</param>
+        public IntervalTrigger(TimeSpan interval, TaskOptions taskOptions)
+        {
+            _interval = interval;
+            TaskOptions = taskOptions;
+        }
 
         /// <summary>
-        /// Gets or sets the options of this task.
+        /// Occurs when [triggered].
         /// </summary>
-        public TaskOptions TaskOptions { get; set; }
+        public event EventHandler<EventArgs>? Triggered;
 
         /// <summary>
-        /// Gets or sets the timer.
+        /// Gets the options of this task.
         /// </summary>
-        /// <value>The timer.</value>
-        private Timer Timer { get; set; }
+        public TaskOptions TaskOptions { get; }
 
         /// <summary>
         /// Stars waiting for the trigger action.
@@ -55,7 +56,7 @@ namespace Emby.Server.Implementations.ScheduledTasks
             }
             else
             {
-                triggerDate = new[] { lastResult.EndTimeUtc, _lastStartDate }.Max().Add(Interval);
+                triggerDate = new[] { lastResult.EndTimeUtc, _lastStartDate }.Max().Add(_interval);
             }
 
             if (DateTime.UtcNow > triggerDate)
@@ -71,7 +72,7 @@ namespace Emby.Server.Implementations.ScheduledTasks
                 dueTime = maxDueTime;
             }
 
-            Timer = new Timer(state => OnTriggered(), null, dueTime, TimeSpan.FromMilliseconds(-1));
+            _timer = new Timer(state => OnTriggered(), null, dueTime, TimeSpan.FromMilliseconds(-1));
         }
 
         /// <summary>
@@ -87,10 +88,7 @@ namespace Emby.Server.Implementations.ScheduledTasks
         /// </summary>
         private void DisposeTimer()
         {
-            if (Timer != null)
-            {
-                Timer.Dispose();
-            }
+            _timer?.Dispose();
         }
 
         /// <summary>
diff --git a/Emby.Server.Implementations/ScheduledTasks/Triggers/StartupTrigger.cs b/Emby.Server.Implementations/ScheduledTasks/Triggers/StartupTrigger.cs
index 7cd5493da..18b9a8b75 100644
--- a/Emby.Server.Implementations/ScheduledTasks/Triggers/StartupTrigger.cs
+++ b/Emby.Server.Implementations/ScheduledTasks/Triggers/StartupTrigger.cs
@@ -10,24 +10,28 @@ namespace Emby.Server.Implementations.ScheduledTasks
     /// <summary>
     /// Class StartupTaskTrigger.
     /// </summary>
-    public class StartupTrigger : ITaskTrigger
+    public sealed class StartupTrigger : ITaskTrigger
     {
+        public const int DelayMs = 3000;
+
         /// <summary>
-        /// Occurs when [triggered].
+        /// Initializes a new instance of the <see cref="StartupTrigger"/> class.
         /// </summary>
-        public event EventHandler<EventArgs> Triggered;
-
-        public int DelayMs { get; set; }
+        /// <param name="taskOptions">The options of this task.</param>
+        public StartupTrigger(TaskOptions taskOptions)
+        {
+            TaskOptions = taskOptions;
+        }
 
         /// <summary>
-        /// Gets or sets the options of this task.
+        /// Occurs when [triggered].
         /// </summary>
-        public TaskOptions TaskOptions { get; set; }
+        public event EventHandler<EventArgs>? Triggered;
 
-        public StartupTrigger()
-        {
-            DelayMs = 3000;
-        }
+        /// <summary>
+        /// Gets the options of this task.
+        /// </summary>
+        public TaskOptions TaskOptions { get; }
 
         /// <summary>
         /// Stars waiting for the trigger action.
diff --git a/Emby.Server.Implementations/ScheduledTasks/Triggers/WeeklyTrigger.cs b/Emby.Server.Implementations/ScheduledTasks/Triggers/WeeklyTrigger.cs
index 0c0ebec08..36ae190b0 100644
--- a/Emby.Server.Implementations/ScheduledTasks/Triggers/WeeklyTrigger.cs
+++ b/Emby.Server.Implementations/ScheduledTasks/Triggers/WeeklyTrigger.cs
@@ -8,35 +8,34 @@ namespace Emby.Server.Implementations.ScheduledTasks
     /// <summary>
     /// Represents a task trigger that fires on a weekly basis.
     /// </summary>
-    public class WeeklyTrigger : ITaskTrigger
+    public sealed class WeeklyTrigger : ITaskTrigger
     {
-        /// <summary>
-        /// Occurs when [triggered].
-        /// </summary>
-        public event EventHandler<EventArgs> Triggered;
-
-        /// <summary>
-        /// Gets or sets the time of day to trigger the task to run.
-        /// </summary>
-        /// <value>The time of day.</value>
-        public TimeSpan TimeOfDay { get; set; }
+        private readonly TimeSpan _timeOfDay;
+        private readonly DayOfWeek _dayOfWeek;
+        private Timer? _timer;
 
         /// <summary>
-        /// Gets or sets the day of week.
+        /// Initializes a new instance of the <see cref="WeeklyTrigger"/> class.
         /// </summary>
-        /// <value>The day of week.</value>
-        public DayOfWeek DayOfWeek { get; set; }
+        /// <param name="timeofDay">The time of day to trigger the task to run.</param>
+        /// <param name="dayOfWeek">The day of week.</param>
+        /// <param name="taskOptions">The options of this task.</param>
+        public WeeklyTrigger(TimeSpan timeofDay, DayOfWeek dayOfWeek, TaskOptions taskOptions)
+        {
+            _timeOfDay = timeofDay;
+            _dayOfWeek = dayOfWeek;
+            TaskOptions = taskOptions;
+        }
 
         /// <summary>
-        /// Gets or sets the options of this task.
+        /// Occurs when [triggered].
         /// </summary>
-        public TaskOptions TaskOptions { get; set; }
+        public event EventHandler<EventArgs>? Triggered;
 
         /// <summary>
-        /// Gets or sets the timer.
+        /// Gets the options of this task.
         /// </summary>
-        /// <value>The timer.</value>
-        private Timer Timer { get; set; }
+        public TaskOptions TaskOptions { get; }
 
         /// <summary>
         /// Stars waiting for the trigger action.
@@ -51,7 +50,7 @@ namespace Emby.Server.Implementations.ScheduledTasks
 
             var triggerDate = GetNextTriggerDateTime();
 
-            Timer = new Timer(state => OnTriggered(), null, triggerDate - DateTime.Now, TimeSpan.FromMilliseconds(-1));
+            _timer = new Timer(state => OnTriggered(), null, triggerDate - DateTime.Now, TimeSpan.FromMilliseconds(-1));
         }
 
         /// <summary>
@@ -63,22 +62,22 @@ namespace Emby.Server.Implementations.ScheduledTasks
             var now = DateTime.Now;
 
             // If it's on the same day
-            if (now.DayOfWeek == DayOfWeek)
+            if (now.DayOfWeek == _dayOfWeek)
             {
                 // It's either later today, or a week from now
-                return now.TimeOfDay < TimeOfDay ? now.Date.Add(TimeOfDay) : now.Date.AddDays(7).Add(TimeOfDay);
+                return now.TimeOfDay < _timeOfDay ? now.Date.Add(_timeOfDay) : now.Date.AddDays(7).Add(_timeOfDay);
             }
 
             var triggerDate = now.Date;
 
             // Walk the date forward until we get to the trigger day
-            while (triggerDate.DayOfWeek != DayOfWeek)
+            while (triggerDate.DayOfWeek != _dayOfWeek)
             {
                 triggerDate = triggerDate.AddDays(1);
             }
 
             // Return the trigger date plus the time offset
-            return triggerDate.Add(TimeOfDay);
+            return triggerDate.Add(_timeOfDay);
         }
 
         /// <summary>
@@ -94,10 +93,7 @@ namespace Emby.Server.Implementations.ScheduledTasks
         /// </summary>
         private void DisposeTimer()
         {
-            if (Timer != null)
-            {
-                Timer.Dispose();
-            }
+            _timer?.Dispose();
         }
 
         /// <summary>
diff --git a/Emby.Server.Implementations/Security/AuthenticationRepository.cs b/Emby.Server.Implementations/Security/AuthenticationRepository.cs
index 4bc12f44a..e8eac315b 100644
--- a/Emby.Server.Implementations/Security/AuthenticationRepository.cs
+++ b/Emby.Server.Implementations/Security/AuthenticationRepository.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
@@ -289,7 +291,7 @@ namespace Emby.Server.Implementations.Security
             return result;
         }
 
-        private static AuthenticationInfo Get(IReadOnlyList<IResultSetValue> reader)
+        private static AuthenticationInfo Get(IReadOnlyList<ResultSetValue> reader)
         {
             var info = new AuthenticationInfo
             {
@@ -297,50 +299,49 @@ namespace Emby.Server.Implementations.Security
                 AccessToken = reader[1].ToString()
             };
 
-            if (reader[2].SQLiteType != SQLiteType.Null)
-            {
-                info.DeviceId = reader[2].ToString();
-            }
-
-            if (reader[3].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetString(2, out var deviceId))
             {
-                info.AppName = reader[3].ToString();
+                info.DeviceId = deviceId;
             }
 
-            if (reader[4].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetString(3, out var appName))
             {
-                info.AppVersion = reader[4].ToString();
+                info.AppName = appName;
             }
 
-            if (reader[5].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetString(4, out var appVersion))
             {
-                info.DeviceName = reader[5].ToString();
+                info.AppVersion = appVersion;
             }
 
-            if (reader[6].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetString(6, out var userId))
             {
-                info.UserId = new Guid(reader[6].ToString());
+                info.UserId = new Guid(userId);
             }
 
-            if (reader[7].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetString(7, out var userName))
             {
-                info.UserName = reader[7].ToString();
+                info.UserName = userName;
             }
 
             info.DateCreated = reader[8].ReadDateTime();
 
-            if (reader[9].SQLiteType != SQLiteType.Null)
+            if (reader.TryReadDateTime(9, out var dateLastActivity))
             {
-                info.DateLastActivity = reader[9].ReadDateTime();
+                info.DateLastActivity = dateLastActivity;
             }
             else
             {
                 info.DateLastActivity = info.DateCreated;
             }
 
-            if (reader[10].SQLiteType != SQLiteType.Null)
+            if (reader.TryGetString(10, out var customName))
+            {
+                info.DeviceName = customName;
+            }
+            else if (reader.TryGetString(5, out var deviceName))
             {
-                info.DeviceName = reader[10].ToString();
+                info.DeviceName = deviceName;
             }
 
             return info;
@@ -361,9 +362,9 @@ namespace Emby.Server.Implementations.Security
 
                         foreach (var row in statement.ExecuteQuery())
                         {
-                            if (row[0].SQLiteType != SQLiteType.Null)
+                            if (row.TryGetString(0, out var customName))
                             {
-                                result.CustomName = row[0].ToString();
+                                result.CustomName = customName;
                             }
                         }
 
diff --git a/Emby.Server.Implementations/Serialization/MyXmlSerializer.cs b/Emby.Server.Implementations/Serialization/MyXmlSerializer.cs
index 27024e4e1..5ff73de81 100644
--- a/Emby.Server.Implementations/Serialization/MyXmlSerializer.cs
+++ b/Emby.Server.Implementations/Serialization/MyXmlSerializer.cs
@@ -19,7 +19,10 @@ namespace Emby.Server.Implementations.Serialization
             new ConcurrentDictionary<string, XmlSerializer>();
 
         private static XmlSerializer GetSerializer(Type type)
-            => _serializers.GetOrAdd(type.FullName, _ => new XmlSerializer(type));
+            => _serializers.GetOrAdd(
+                type.FullName ?? throw new ArgumentException($"Invalid type {type}."),
+                (_, t) => new XmlSerializer(t),
+                type);
 
         /// <summary>
         /// Serializes to writer.
@@ -38,7 +41,7 @@ namespace Emby.Server.Implementations.Serialization
         /// <param name="type">The type.</param>
         /// <param name="stream">The stream.</param>
         /// <returns>System.Object.</returns>
-        public object DeserializeFromStream(Type type, Stream stream)
+        public object? DeserializeFromStream(Type type, Stream stream)
         {
             using (var reader = XmlReader.Create(stream))
             {
@@ -81,7 +84,7 @@ namespace Emby.Server.Implementations.Serialization
         /// <param name="type">The type.</param>
         /// <param name="file">The file.</param>
         /// <returns>System.Object.</returns>
-        public object DeserializeFromFile(Type type, string file)
+        public object? DeserializeFromFile(Type type, string file)
         {
             using (var stream = File.OpenRead(file))
             {
@@ -95,7 +98,7 @@ namespace Emby.Server.Implementations.Serialization
         /// <param name="type">The type.</param>
         /// <param name="buffer">The buffer.</param>
         /// <returns>System.Object.</returns>
-        public object DeserializeFromBytes(Type type, byte[] buffer)
+        public object? DeserializeFromBytes(Type type, byte[] buffer)
         {
             using (var stream = new MemoryStream(buffer, 0, buffer.Length, false, true))
             {
diff --git a/Emby.Server.Implementations/ServerApplicationPaths.cs b/Emby.Server.Implementations/ServerApplicationPaths.cs
index ac589b03c..6cf9a8f71 100644
--- a/Emby.Server.Implementations/ServerApplicationPaths.cs
+++ b/Emby.Server.Implementations/ServerApplicationPaths.cs
@@ -25,6 +25,10 @@ namespace Emby.Server.Implementations
                 cacheDirectoryPath,
                 webDirectoryPath)
         {
+            // ProgramDataPath cannot change when the server is running, so cache these to avoid allocations.
+            RootFolderPath = Path.Join(ProgramDataPath, "root");
+            DefaultUserViewsPath = Path.Combine(RootFolderPath, "default");
+            DefaultInternalMetadataPath = Path.Combine(ProgramDataPath, "metadata");
             InternalMetadataPath = DefaultInternalMetadataPath;
         }
 
@@ -32,13 +36,13 @@ namespace Emby.Server.Implementations
         /// Gets the path to the base root media directory.
         /// </summary>
         /// <value>The root folder path.</value>
-        public string RootFolderPath => Path.Combine(ProgramDataPath, "root");
+        public string RootFolderPath { get; }
 
         /// <summary>
         /// Gets the path to the default user view directory.  Used if no specific user view is defined.
         /// </summary>
         /// <value>The default user views path.</value>
-        public string DefaultUserViewsPath => Path.Combine(RootFolderPath, "default");
+        public string DefaultUserViewsPath { get; }
 
         /// <summary>
         /// Gets the path to the People directory.
@@ -98,7 +102,7 @@ namespace Emby.Server.Implementations
         public string UserConfigurationDirectoryPath => Path.Combine(ConfigurationDirectoryPath, "users");
 
         /// <inheritdoc/>
-        public string DefaultInternalMetadataPath => Path.Combine(ProgramDataPath, "metadata");
+        public string DefaultInternalMetadataPath { get; }
 
         /// <inheritdoc />
         public string InternalMetadataPath { get; set; }
diff --git a/Emby.Server.Implementations/Session/SessionManager.cs b/Emby.Server.Implementations/Session/SessionManager.cs
index 6844152ea..c4b19f417 100644
--- a/Emby.Server.Implementations/Session/SessionManager.cs
+++ b/Emby.Server.Implementations/Session/SessionManager.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
@@ -10,6 +12,7 @@ using System.Threading.Tasks;
 using Jellyfin.Data.Entities;
 using Jellyfin.Data.Enums;
 using Jellyfin.Data.Events;
+using Jellyfin.Extensions;
 using MediaBrowser.Common.Events;
 using MediaBrowser.Common.Extensions;
 using MediaBrowser.Controller;
@@ -1540,23 +1543,26 @@ namespace Emby.Server.Implementations.Session
                     Limit = 1
                 }).Items.FirstOrDefault();
 
-            var allExistingForDevice = _authRepo.Get(
-                new AuthenticationInfoQuery
-                {
-                    DeviceId = deviceId
-                }).Items;
-
-            foreach (var auth in allExistingForDevice)
+            if (!string.IsNullOrEmpty(deviceId))
             {
-                if (existing == null || !string.Equals(auth.AccessToken, existing.AccessToken, StringComparison.Ordinal))
-                {
-                    try
+                var allExistingForDevice = _authRepo.Get(
+                    new AuthenticationInfoQuery
                     {
-                        Logout(auth);
-                    }
-                    catch (Exception ex)
+                        DeviceId = deviceId
+                    }).Items;
+
+                foreach (var auth in allExistingForDevice)
+                {
+                    if (existing == null || !string.Equals(auth.AccessToken, existing.AccessToken, StringComparison.Ordinal))
                     {
-                        _logger.LogError(ex, "Error while logging out.");
+                        try
+                        {
+                            Logout(auth);
+                        }
+                        catch (Exception ex)
+                        {
+                            _logger.LogError(ex, "Error while logging out.");
+                        }
                     }
                 }
             }
diff --git a/Emby.Server.Implementations/Session/SessionWebSocketListener.cs b/Emby.Server.Implementations/Session/SessionWebSocketListener.cs
index 39c369a01..e9e3ca7f4 100644
--- a/Emby.Server.Implementations/Session/SessionWebSocketListener.cs
+++ b/Emby.Server.Implementations/Session/SessionWebSocketListener.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 using System;
 using System.Collections.Generic;
 using System.Linq;
diff --git a/Emby.Server.Implementations/Session/WebSocketController.cs b/Emby.Server.Implementations/Session/WebSocketController.cs
index a653b58c2..9fa92a53a 100644
--- a/Emby.Server.Implementations/Session/WebSocketController.cs
+++ b/Emby.Server.Implementations/Session/WebSocketController.cs
@@ -1,6 +1,4 @@
 #pragma warning disable CS1591
-#pragma warning disable SA1600
-#nullable enable
 
 using System;
 using System.Collections.Generic;
diff --git a/Emby.Server.Implementations/Sorting/AiredEpisodeOrderComparer.cs b/Emby.Server.Implementations/Sorting/AiredEpisodeOrderComparer.cs
index 60698e803..2b0ab536f 100644
--- a/Emby.Server.Implementations/Sorting/AiredEpisodeOrderComparer.cs
+++ b/Emby.Server.Implementations/Sorting/AiredEpisodeOrderComparer.cs
@@ -16,7 +16,7 @@ namespace Emby.Server.Implementations.Sorting
         /// <param name="x">The x.</param>
         /// <param name="y">The y.</param>
         /// <returns>System.Int32.</returns>
-        public int Compare(BaseItem x, BaseItem y)
+        public int Compare(BaseItem? x, BaseItem? y)
         {
             if (x == null)
             {
diff --git a/Emby.Server.Implementations/Sorting/AlbumArtistComparer.cs b/Emby.Server.Implementations/Sorting/AlbumArtistComparer.cs
index 7657cc74e..42e644970 100644
--- a/Emby.Server.Implementations/Sorting/AlbumArtistComparer.cs
+++ b/Emby.Server.Implementations/Sorting/AlbumArtistComparer.cs
@@ -18,7 +18,7 @@ namespace Emby.Server.Implementations.Sorting
         /// <param name="x">The x.</param>
         /// <param name="y">The y.</param>
         /// <returns>System.Int32.</returns>
-        public int Compare(BaseItem x, BaseItem y)
+        public int Compare(BaseItem? x, BaseItem? y)
         {
             return string.Compare(GetValue(x), GetValue(y), StringComparison.CurrentCultureIgnoreCase);
         }
@@ -28,7 +28,7 @@ namespace Emby.Server.Implementations.Sorting
         /// </summary>
         /// <param name="x">The x.</param>
         /// <returns>System.String.</returns>
-        private static string GetValue(BaseItem x)
+        private static string? GetValue(BaseItem? x)
         {
             var audio = x as IHasAlbumArtist;
 
diff --git a/Emby.Server.Implementations/Sorting/AlbumComparer.cs b/Emby.Server.Implementations/Sorting/AlbumComparer.cs
index 7dfdd9ecf..1db3f5e9c 100644
--- a/Emby.Server.Implementations/Sorting/AlbumComparer.cs
+++ b/Emby.Server.Implementations/Sorting/AlbumComparer.cs
@@ -17,7 +17,7 @@ namespace Emby.Server.Implementations.Sorting
         /// <param name="x">The x.</param>
         /// <param name="y">The y.</param>
         /// <returns>System.Int32.</returns>
-        public int Compare(BaseItem x, BaseItem y)
+        public int Compare(BaseItem? x, BaseItem? y)
         {
             return string.Compare(GetValue(x), GetValue(y), StringComparison.CurrentCultureIgnoreCase);
         }
@@ -27,7 +27,7 @@ namespace Emby.Server.Implementations.Sorting
         /// </summary>
         /// <param name="x">The x.</param>
         /// <returns>System.String.</returns>
-        private static string GetValue(BaseItem x)
+        private static string? GetValue(BaseItem? x)
         {
             var audio = x as Audio;
 
diff --git a/Emby.Server.Implementations/Sorting/ArtistComparer.cs b/Emby.Server.Implementations/Sorting/ArtistComparer.cs
index 756d3c5b6..98bee3fd9 100644
--- a/Emby.Server.Implementations/Sorting/ArtistComparer.cs
+++ b/Emby.Server.Implementations/Sorting/ArtistComparer.cs
@@ -15,7 +15,7 @@ namespace Emby.Server.Implementations.Sorting
         public string Name => ItemSortBy.Artist;
 
         /// <inheritdoc />
-        public int Compare(BaseItem x, BaseItem y)
+        public int Compare(BaseItem? x, BaseItem? y)
         {
             return string.Compare(GetValue(x), GetValue(y), StringComparison.CurrentCultureIgnoreCase);
         }
@@ -25,7 +25,7 @@ namespace Emby.Server.Implementations.Sorting
         /// </summary>
         /// <param name="x">The x.</param>
         /// <returns>System.String.</returns>
-        private static string GetValue(BaseItem x)
+        private static string? GetValue(BaseItem? x)
         {
             if (!(x is Audio audio))
             {
diff --git a/Emby.Server.Implementations/Sorting/CommunityRatingComparer.cs b/Emby.Server.Implementations/Sorting/CommunityRatingComparer.cs
index 980954ba0..5f142fa4b 100644
--- a/Emby.Server.Implementations/Sorting/CommunityRatingComparer.cs
+++ b/Emby.Server.Implementations/Sorting/CommunityRatingComparer.cs
@@ -21,7 +21,7 @@ namespace Emby.Server.Implementations.Sorting
         /// <param name="x">The x.</param>
         /// <param name="y">The y.</param>
         /// <returns>System.Int32.</returns>
-        public int Compare(BaseItem x, BaseItem y)
+        public int Compare(BaseItem? x, BaseItem? y)
         {
             if (x == null)
             {
diff --git a/Emby.Server.Implementations/Sorting/CriticRatingComparer.cs b/Emby.Server.Implementations/Sorting/CriticRatingComparer.cs
index fa136c36d..d20dedc2d 100644
--- a/Emby.Server.Implementations/Sorting/CriticRatingComparer.cs
+++ b/Emby.Server.Implementations/Sorting/CriticRatingComparer.cs
@@ -15,14 +15,14 @@ namespace Emby.Server.Implementations.Sorting
         /// <param name="x">The x.</param>
         /// <param name="y">The y.</param>
         /// <returns>System.Int32.</returns>
-        public int Compare(BaseItem x, BaseItem y)
+        public int Compare(BaseItem? x, BaseItem? y)
         {
             return GetValue(x).CompareTo(GetValue(y));
         }
 
-        private static float GetValue(BaseItem x)
+        private static float GetValue(BaseItem? x)
         {
-            return x.CriticRating ?? 0;
+            return x?.CriticRating ?? 0;
         }
 
         /// <summary>
diff --git a/Emby.Server.Implementations/Sorting/DateCreatedComparer.cs b/Emby.Server.Implementations/Sorting/DateCreatedComparer.cs
index cbca300d2..d3f10f78c 100644
--- a/Emby.Server.Implementations/Sorting/DateCreatedComparer.cs
+++ b/Emby.Server.Implementations/Sorting/DateCreatedComparer.cs
@@ -16,7 +16,7 @@ namespace Emby.Server.Implementations.Sorting
         /// <param name="x">The x.</param>
         /// <param name="y">The y.</param>
         /// <returns>System.Int32.</returns>
-        public int Compare(BaseItem x, BaseItem y)
+        public int Compare(BaseItem? x, BaseItem? y)
         {
             if (x == null)
             {
diff --git a/Emby.Server.Implementations/Sorting/DateLastMediaAddedComparer.cs b/Emby.Server.Implementations/Sorting/DateLastMediaAddedComparer.cs
index 03ff19d21..b1cb123ce 100644
--- a/Emby.Server.Implementations/Sorting/DateLastMediaAddedComparer.cs
+++ b/Emby.Server.Implementations/Sorting/DateLastMediaAddedComparer.cs
@@ -1,3 +1,4 @@
+#nullable disable
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/Sorting/DatePlayedComparer.cs b/Emby.Server.Implementations/Sorting/DatePlayedComparer.cs
index 16bd2aff8..08a44319f 100644
--- a/Emby.Server.Implementations/Sorting/DatePlayedComparer.cs
+++ b/Emby.Server.Implementations/Sorting/DatePlayedComparer.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 using System;
 using Jellyfin.Data.Entities;
 using MediaBrowser.Controller.Entities;
diff --git a/Emby.Server.Implementations/Sorting/IsFavoriteOrLikeComparer.cs b/Emby.Server.Implementations/Sorting/IsFavoriteOrLikeComparer.cs
index 0c4e82d01..73e628cf7 100644
--- a/Emby.Server.Implementations/Sorting/IsFavoriteOrLikeComparer.cs
+++ b/Emby.Server.Implementations/Sorting/IsFavoriteOrLikeComparer.cs
@@ -1,3 +1,4 @@
+#nullable disable
 #pragma warning disable CS1591
 
 using Jellyfin.Data.Entities;
diff --git a/Emby.Server.Implementations/Sorting/IsFolderComparer.cs b/Emby.Server.Implementations/Sorting/IsFolderComparer.cs
index a35192eff..3c5ddeefa 100644
--- a/Emby.Server.Implementations/Sorting/IsFolderComparer.cs
+++ b/Emby.Server.Implementations/Sorting/IsFolderComparer.cs
@@ -20,7 +20,7 @@ namespace Emby.Server.Implementations.Sorting
         /// <param name="x">The x.</param>
         /// <param name="y">The y.</param>
         /// <returns>System.Int32.</returns>
-        public int Compare(BaseItem x, BaseItem y)
+        public int Compare(BaseItem? x, BaseItem? y)
         {
             return GetValue(x).CompareTo(GetValue(y));
         }
@@ -30,9 +30,9 @@ namespace Emby.Server.Implementations.Sorting
         /// </summary>
         /// <param name="x">The x.</param>
         /// <returns>System.String.</returns>
-        private static int GetValue(BaseItem x)
+        private static int GetValue(BaseItem? x)
         {
-            return x.IsFolder ? 0 : 1;
+            return x?.IsFolder ?? true ? 0 : 1;
         }
     }
 }
diff --git a/Emby.Server.Implementations/Sorting/IsPlayedComparer.cs b/Emby.Server.Implementations/Sorting/IsPlayedComparer.cs
index d95948406..7d77a8bc5 100644
--- a/Emby.Server.Implementations/Sorting/IsPlayedComparer.cs
+++ b/Emby.Server.Implementations/Sorting/IsPlayedComparer.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using Jellyfin.Data.Entities;
diff --git a/Emby.Server.Implementations/Sorting/IsUnplayedComparer.cs b/Emby.Server.Implementations/Sorting/IsUnplayedComparer.cs
index 1632c5a7a..926835f90 100644
--- a/Emby.Server.Implementations/Sorting/IsUnplayedComparer.cs
+++ b/Emby.Server.Implementations/Sorting/IsUnplayedComparer.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using Jellyfin.Data.Entities;
diff --git a/Emby.Server.Implementations/Sorting/NameComparer.cs b/Emby.Server.Implementations/Sorting/NameComparer.cs
index da020d8d8..4de81a69e 100644
--- a/Emby.Server.Implementations/Sorting/NameComparer.cs
+++ b/Emby.Server.Implementations/Sorting/NameComparer.cs
@@ -16,7 +16,7 @@ namespace Emby.Server.Implementations.Sorting
         /// <param name="x">The x.</param>
         /// <param name="y">The y.</param>
         /// <returns>System.Int32.</returns>
-        public int Compare(BaseItem x, BaseItem y)
+        public int Compare(BaseItem? x, BaseItem? y)
         {
             if (x == null)
             {
diff --git a/Emby.Server.Implementations/Sorting/OfficialRatingComparer.cs b/Emby.Server.Implementations/Sorting/OfficialRatingComparer.cs
index 76bb798b5..a81f78ebf 100644
--- a/Emby.Server.Implementations/Sorting/OfficialRatingComparer.cs
+++ b/Emby.Server.Implementations/Sorting/OfficialRatingComparer.cs
@@ -29,7 +29,7 @@ namespace Emby.Server.Implementations.Sorting
         /// <param name="x">The x.</param>
         /// <param name="y">The y.</param>
         /// <returns>System.Int32.</returns>
-        public int Compare(BaseItem x, BaseItem y)
+        public int Compare(BaseItem? x, BaseItem? y)
         {
             if (x == null)
             {
diff --git a/Emby.Server.Implementations/Sorting/PlayCountComparer.cs b/Emby.Server.Implementations/Sorting/PlayCountComparer.cs
index 5c2830322..04e4865cb 100644
--- a/Emby.Server.Implementations/Sorting/PlayCountComparer.cs
+++ b/Emby.Server.Implementations/Sorting/PlayCountComparer.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 using Jellyfin.Data.Entities;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Library;
diff --git a/Emby.Server.Implementations/Sorting/PremiereDateComparer.cs b/Emby.Server.Implementations/Sorting/PremiereDateComparer.cs
index 92ac04dc6..c98f97bf1 100644
--- a/Emby.Server.Implementations/Sorting/PremiereDateComparer.cs
+++ b/Emby.Server.Implementations/Sorting/PremiereDateComparer.cs
@@ -16,7 +16,7 @@ namespace Emby.Server.Implementations.Sorting
         /// <param name="x">The x.</param>
         /// <param name="y">The y.</param>
         /// <returns>System.Int32.</returns>
-        public int Compare(BaseItem x, BaseItem y)
+        public int Compare(BaseItem? x, BaseItem? y)
         {
             return GetDate(x).CompareTo(GetDate(y));
         }
@@ -26,8 +26,13 @@ namespace Emby.Server.Implementations.Sorting
         /// </summary>
         /// <param name="x">The x.</param>
         /// <returns>DateTime.</returns>
-        private static DateTime GetDate(BaseItem x)
+        private static DateTime GetDate(BaseItem? x)
         {
+            if (x == null)
+            {
+                return DateTime.MinValue;
+            }
+
             if (x.PremiereDate.HasValue)
             {
                 return x.PremiereDate.Value;
diff --git a/Emby.Server.Implementations/Sorting/ProductionYearComparer.cs b/Emby.Server.Implementations/Sorting/ProductionYearComparer.cs
index e2857df0b..df9f9957d 100644
--- a/Emby.Server.Implementations/Sorting/ProductionYearComparer.cs
+++ b/Emby.Server.Implementations/Sorting/ProductionYearComparer.cs
@@ -15,7 +15,7 @@ namespace Emby.Server.Implementations.Sorting
         /// <param name="x">The x.</param>
         /// <param name="y">The y.</param>
         /// <returns>System.Int32.</returns>
-        public int Compare(BaseItem x, BaseItem y)
+        public int Compare(BaseItem? x, BaseItem? y)
         {
             return GetValue(x).CompareTo(GetValue(y));
         }
@@ -25,8 +25,13 @@ namespace Emby.Server.Implementations.Sorting
         /// </summary>
         /// <param name="x">The x.</param>
         /// <returns>DateTime.</returns>
-        private static int GetValue(BaseItem x)
+        private static int GetValue(BaseItem? x)
         {
+            if (x == null)
+            {
+                return 0;
+            }
+
             if (x.ProductionYear.HasValue)
             {
                 return x.ProductionYear.Value;
diff --git a/Emby.Server.Implementations/Sorting/RandomComparer.cs b/Emby.Server.Implementations/Sorting/RandomComparer.cs
index 7739d0418..af3bc2750 100644
--- a/Emby.Server.Implementations/Sorting/RandomComparer.cs
+++ b/Emby.Server.Implementations/Sorting/RandomComparer.cs
@@ -16,7 +16,7 @@ namespace Emby.Server.Implementations.Sorting
         /// <param name="x">The x.</param>
         /// <param name="y">The y.</param>
         /// <returns>System.Int32.</returns>
-        public int Compare(BaseItem x, BaseItem y)
+        public int Compare(BaseItem? x, BaseItem? y)
         {
             return Guid.NewGuid().CompareTo(Guid.NewGuid());
         }
diff --git a/Emby.Server.Implementations/Sorting/RuntimeComparer.cs b/Emby.Server.Implementations/Sorting/RuntimeComparer.cs
index dde44333d..129315303 100644
--- a/Emby.Server.Implementations/Sorting/RuntimeComparer.cs
+++ b/Emby.Server.Implementations/Sorting/RuntimeComparer.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 using System;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Sorting;
diff --git a/Emby.Server.Implementations/Sorting/SeriesSortNameComparer.cs b/Emby.Server.Implementations/Sorting/SeriesSortNameComparer.cs
index b9205ee07..4123a59f8 100644
--- a/Emby.Server.Implementations/Sorting/SeriesSortNameComparer.cs
+++ b/Emby.Server.Implementations/Sorting/SeriesSortNameComparer.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/Sorting/SortNameComparer.cs b/Emby.Server.Implementations/Sorting/SortNameComparer.cs
index f745e193b..8d30716d3 100644
--- a/Emby.Server.Implementations/Sorting/SortNameComparer.cs
+++ b/Emby.Server.Implementations/Sorting/SortNameComparer.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 using System;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Sorting;
diff --git a/Emby.Server.Implementations/Sorting/StartDateComparer.cs b/Emby.Server.Implementations/Sorting/StartDateComparer.cs
index 558a3d351..c3df7c47e 100644
--- a/Emby.Server.Implementations/Sorting/StartDateComparer.cs
+++ b/Emby.Server.Implementations/Sorting/StartDateComparer.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
diff --git a/Emby.Server.Implementations/Sorting/StudioComparer.cs b/Emby.Server.Implementations/Sorting/StudioComparer.cs
index 5766dc542..6826aee3b 100644
--- a/Emby.Server.Implementations/Sorting/StudioComparer.cs
+++ b/Emby.Server.Implementations/Sorting/StudioComparer.cs
@@ -1,7 +1,10 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
 using System.Linq;
+using Jellyfin.Extensions;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Sorting;
 using MediaBrowser.Model.Querying;
@@ -28,7 +31,7 @@ namespace Emby.Server.Implementations.Sorting
                 throw new ArgumentNullException(nameof(y));
             }
 
-            return AlphanumComparator.CompareValues(x.Studios.FirstOrDefault() ?? string.Empty, y.Studios.FirstOrDefault() ?? string.Empty);
+            return AlphanumericComparator.CompareValues(x.Studios.FirstOrDefault(), y.Studios.FirstOrDefault());
         }
 
         /// <summary>
diff --git a/Emby.Server.Implementations/SyncPlay/Group.cs b/Emby.Server.Implementations/SyncPlay/Group.cs
index 7c2ad2477..12efff261 100644
--- a/Emby.Server.Implementations/SyncPlay/Group.cs
+++ b/Emby.Server.Implementations/SyncPlay/Group.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 using System;
 using System.Collections.Generic;
 using System.Linq;
diff --git a/Emby.Server.Implementations/SyncPlay/SyncPlayManager.cs b/Emby.Server.Implementations/SyncPlay/SyncPlayManager.cs
index 72c0a838e..993456196 100644
--- a/Emby.Server.Implementations/SyncPlay/SyncPlayManager.cs
+++ b/Emby.Server.Implementations/SyncPlay/SyncPlayManager.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
diff --git a/Emby.Server.Implementations/TV/TVSeriesManager.cs b/Emby.Server.Implementations/TV/TVSeriesManager.cs
index 829df64bf..af453d148 100644
--- a/Emby.Server.Implementations/TV/TVSeriesManager.cs
+++ b/Emby.Server.Implementations/TV/TVSeriesManager.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
@@ -152,7 +154,7 @@ namespace Emby.Server.Implementations.TV
                         return i.Item1 != DateTime.MinValue;
                     }
 
-                    if (alwaysEnableFirstEpisode || i.Item1 != DateTime.MinValue)
+                    if (alwaysEnableFirstEpisode || (i.Item1 != DateTime.MinValue && i.Item1.Date >= request.NextUpDateCutoff))
                     {
                         anyFound = true;
                         return true;
diff --git a/Emby.Server.Implementations/Udp/UdpServer.cs b/Emby.Server.Implementations/Udp/UdpServer.cs
index db5265e79..8179e26c5 100644
--- a/Emby.Server.Implementations/Udp/UdpServer.cs
+++ b/Emby.Server.Implementations/Udp/UdpServer.cs
@@ -18,17 +18,17 @@ namespace Emby.Server.Implementations.Udp
     public sealed class UdpServer : IDisposable
     {
         /// <summary>
+        /// Address Override Configuration Key.
+        /// </summary>
+        public const string AddressOverrideConfigKey = "PublishedServerUrl";
+
+        /// <summary>
         /// The _logger.
         /// </summary>
         private readonly ILogger _logger;
         private readonly IServerApplicationHost _appHost;
         private readonly IConfiguration _config;
 
-        /// <summary>
-        /// Address Override Configuration Key.
-        /// </summary>
-        public const string AddressOverrideConfigKey = "PublishedServerUrl";
-
         private Socket _udpSocket;
         private IPEndPoint _endpoint;
         private readonly byte[] _receiveBuffer = new byte[8192];
@@ -38,49 +38,58 @@ namespace Emby.Server.Implementations.Udp
         /// <summary>
         /// Initializes a new instance of the <see cref="UdpServer" /> class.
         /// </summary>
-        public UdpServer(ILogger logger, IServerApplicationHost appHost, IConfiguration configuration)
+        /// <param name="logger">The logger.</param>
+        /// <param name="appHost">The application host.</param>
+        /// <param name="configuration">The configuration manager.</param>
+        /// <param name="port">The port.</param>
+        public UdpServer(
+            ILogger logger,
+            IServerApplicationHost appHost,
+            IConfiguration configuration,
+            int port)
         {
             _logger = logger;
             _appHost = appHost;
             _config = configuration;
+
+            _endpoint = new IPEndPoint(IPAddress.Any, port);
+
+            _udpSocket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
+            _udpSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
         }
 
         private async Task RespondToV2Message(string messageText, EndPoint endpoint, CancellationToken cancellationToken)
         {
-            string localUrl = !string.IsNullOrEmpty(_config[AddressOverrideConfigKey])
-                ? _config[AddressOverrideConfigKey]
-                : _appHost.GetSmartApiUrl(((IPEndPoint)endpoint).Address);
+            string? localUrl = _config[AddressOverrideConfigKey];
+            if (string.IsNullOrEmpty(localUrl))
+            {
+                localUrl = _appHost.GetSmartApiUrl(((IPEndPoint)endpoint).Address);
+            }
 
-            if (!string.IsNullOrEmpty(localUrl))
+            if (string.IsNullOrEmpty(localUrl))
             {
-                var response = new ServerDiscoveryInfo(localUrl, _appHost.SystemId, _appHost.FriendlyName);
+                _logger.LogWarning("Unable to respond to udp request because the local ip address could not be determined.");
+                return;
+            }
 
-                try
-                {
-                    await _udpSocket.SendToAsync(JsonSerializer.SerializeToUtf8Bytes(response), SocketFlags.None, endpoint).ConfigureAwait(false);
-                }
-                catch (SocketException ex)
-                {
-                    _logger.LogError(ex, "Error sending response message");
-                }
+            var response = new ServerDiscoveryInfo(localUrl, _appHost.SystemId, _appHost.FriendlyName);
+
+            try
+            {
+                await _udpSocket.SendToAsync(JsonSerializer.SerializeToUtf8Bytes(response), SocketFlags.None, endpoint).ConfigureAwait(false);
             }
-            else
+            catch (SocketException ex)
             {
-                _logger.LogWarning("Unable to respond to udp request because the local ip address could not be determined.");
+                _logger.LogError(ex, "Error sending response message");
             }
         }
 
         /// <summary>
         /// Starts the specified port.
         /// </summary>
-        /// <param name="port">The port.</param>
         /// <param name="cancellationToken">The cancellation token to cancel operation.</param>
-        public void Start(int port, CancellationToken cancellationToken)
+        public void Start(CancellationToken cancellationToken)
         {
-            _endpoint = new IPEndPoint(IPAddress.Any, port);
-
-            _udpSocket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
-            _udpSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
             _udpSocket.Bind(_endpoint);
 
             _ = Task.Run(async () => await BeginReceiveAsync(cancellationToken).ConfigureAwait(false), cancellationToken).ConfigureAwait(false);
@@ -88,9 +97,9 @@ namespace Emby.Server.Implementations.Udp
 
         private async Task BeginReceiveAsync(CancellationToken cancellationToken)
         {
+            var infiniteTask = Task.Delay(-1, cancellationToken);
             while (!cancellationToken.IsCancellationRequested)
             {
-                var infiniteTask = Task.Delay(-1, cancellationToken);
                 try
                 {
                     var task = _udpSocket.ReceiveFromAsync(_receiveBuffer, SocketFlags.None, _endpoint);
diff --git a/Emby.Server.Implementations/Updates/InstallationManager.cs b/Emby.Server.Implementations/Updates/InstallationManager.cs
index 653b1381b..7b0afa4e2 100644
--- a/Emby.Server.Implementations/Updates/InstallationManager.cs
+++ b/Emby.Server.Implementations/Updates/InstallationManager.cs
@@ -1,5 +1,3 @@
-#nullable enable
-
 using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
@@ -13,7 +11,7 @@ using System.Threading;
 using System.Threading.Tasks;
 using Jellyfin.Data.Events;
 using MediaBrowser.Common.Configuration;
-using MediaBrowser.Common.Json;
+using Jellyfin.Extensions.Json;
 using MediaBrowser.Common.Net;
 using MediaBrowser.Common.Plugins;
 using MediaBrowser.Common.Updates;
@@ -101,12 +99,12 @@ namespace Emby.Server.Implementations.Updates
         public IEnumerable<InstallationInfo> CompletedInstallations => _completedInstallationsInternal;
 
         /// <inheritdoc />
-        public async Task<IList<PackageInfo>> GetPackages(string manifestName, string manifest, bool filterIncompatible, CancellationToken cancellationToken = default)
+        public async Task<PackageInfo[]> GetPackages(string manifestName, string manifest, bool filterIncompatible, CancellationToken cancellationToken = default)
         {
             try
             {
-                List<PackageInfo>? packages = await _httpClientFactory.CreateClient(NamedClient.Default)
-                        .GetFromJsonAsync<List<PackageInfo>>(new Uri(manifest), _jsonSerializerOptions, cancellationToken).ConfigureAwait(false);
+                PackageInfo[]? packages = await _httpClientFactory.CreateClient(NamedClient.Default)
+                        .GetFromJsonAsync<PackageInfo[]>(new Uri(manifest), _jsonSerializerOptions, cancellationToken).ConfigureAwait(false);
 
                 if (packages == null)
                 {
@@ -179,20 +177,14 @@ namespace Emby.Server.Implementations.Updates
                     // Where repositories have the same content, the details from the first is taken.
                     foreach (var package in await GetPackages(repository.Name ?? "Unnamed Repo", repository.Url, true, cancellationToken).ConfigureAwait(true))
                     {
-                        if (!Guid.TryParse(package.Id, out var packageGuid))
-                        {
-                            // Package doesn't have a valid GUID, skip.
-                            continue;
-                        }
-
-                        var existing = FilterPackages(result, package.Name, packageGuid).FirstOrDefault();
+                        var existing = FilterPackages(result, package.Name, package.Id).FirstOrDefault();
 
                         // Remove invalid versions from the valid package.
                         for (var i = package.Versions.Count - 1; i >= 0; i--)
                         {
                             var version = package.Versions[i];
 
-                            var plugin = _pluginManager.GetPlugin(packageGuid, version.VersionNumber);
+                            var plugin = _pluginManager.GetPlugin(package.Id, version.VersionNumber);
                             if (plugin != null)
                             {
                                 await _pluginManager.GenerateManifest(package, version.VersionNumber, plugin.Path, plugin.Manifest.Status).ConfigureAwait(false);
@@ -231,7 +223,7 @@ namespace Emby.Server.Implementations.Updates
         public IEnumerable<PackageInfo> FilterPackages(
             IEnumerable<PackageInfo> availablePackages,
             string? name = null,
-            Guid? id = default,
+            Guid id = default,
             Version? specificVersion = null)
         {
             if (name != null)
@@ -239,9 +231,9 @@ namespace Emby.Server.Implementations.Updates
                 availablePackages = availablePackages.Where(x => x.Name.Equals(name, StringComparison.OrdinalIgnoreCase));
             }
 
-            if (id != Guid.Empty)
+            if (id != default)
             {
-                availablePackages = availablePackages.Where(x => Guid.Parse(x.Id) == id);
+                availablePackages = availablePackages.Where(x => x.Id == id);
             }
 
             if (specificVersion != null)
@@ -256,7 +248,7 @@ namespace Emby.Server.Implementations.Updates
         public IEnumerable<InstallationInfo> GetCompatibleVersions(
             IEnumerable<PackageInfo> availablePackages,
             string? name = null,
-            Guid? id = default,
+            Guid id = default,
             Version? minVersion = null,
             Version? specificVersion = null)
         {
@@ -286,7 +278,7 @@ namespace Emby.Server.Implementations.Updates
                 yield return new InstallationInfo
                 {
                     Changelog = v.Changelog,
-                    Id = new Guid(package.Id),
+                    Id = package.Id,
                     Name = package.Name,
                     Version = v.VersionNumber,
                     SourceUrl = v.SourceUrl,