Merge branch 'master' into authenticationdb-efcore

# Conflicts:
#	Jellyfin.Api/Helpers/RequestHelpers.cs

88 files changed, 897 insertions, 932 deletions

diff --git a/Emby.Server.Implementations/AppBase/ConfigurationHelper.cs b/Emby.Server.Implementations/AppBase/ConfigurationHelper.cs
index 3f7076383..29bac6634 100644
--- a/Emby.Server.Implementations/AppBase/ConfigurationHelper.cs
+++ b/Emby.Server.Implementations/AppBase/ConfigurationHelper.cs
@@ -3,7 +3,6 @@
 using System;
 using System.IO;
 using System.Linq;
-using MediaBrowser.Common.Extensions;
 using MediaBrowser.Model.Serialization;
 
 namespace Emby.Server.Implementations.AppBase
diff --git a/Emby.Server.Implementations/ApplicationHost.cs b/Emby.Server.Implementations/ApplicationHost.cs
index f2ed20fbc..213890c67 100644
--- a/Emby.Server.Implementations/ApplicationHost.cs
+++ b/Emby.Server.Implementations/ApplicationHost.cs
@@ -210,7 +210,7 @@ namespace Emby.Server.Implementations
         /// Gets or sets the configuration manager.
         /// </summary>
         /// <value>The configuration manager.</value>
-        protected IConfigurationManager ConfigurationManager { get; set; }
+        public ServerConfigurationManager ConfigurationManager { get; set; }
 
         /// <summary>
         /// Gets or sets the service provider.
@@ -233,12 +233,6 @@ namespace Emby.Server.Implementations
         public string PublishedServerUrl => _startupOptions.PublishedServerUrl ?? _startupConfig[UdpServer.AddressOverrideConfigKey];
 
         /// <summary>
-        /// Gets the server configuration manager.
-        /// </summary>
-        /// <value>The server configuration manager.</value>
-        public IServerConfigurationManager ServerConfigurationManager => (IServerConfigurationManager)ConfigurationManager;
-
-        /// <summary>
         /// Initializes a new instance of the <see cref="ApplicationHost"/> class.
         /// </summary>
         /// <param name="applicationPaths">Instance of the <see cref="IServerApplicationPaths"/> interface.</param>
@@ -255,43 +249,26 @@ namespace Emby.Server.Implementations
             IFileSystem fileSystem,
             IServiceCollection serviceCollection)
         {
-            _xmlSerializer = new MyXmlSerializer();
-
-            ServiceCollection = serviceCollection;
-
             ApplicationPaths = applicationPaths;
             LoggerFactory = loggerFactory;
-            _fileSystemManager = fileSystem;
-
-            ConfigurationManager = new ServerConfigurationManager(ApplicationPaths, LoggerFactory, _xmlSerializer, _fileSystemManager);
-            // Have to migrate settings here as migration subsystem not yet initialised.
-            MigrateNetworkConfiguration();
-
-            // Have to pre-register the NetworkConfigurationFactory, as the configuration sub-system is not yet initialised.
-            ConfigurationManager.RegisterConfiguration<NetworkConfigurationFactory>();
-            NetManager = new NetworkManager((IServerConfigurationManager)ConfigurationManager, LoggerFactory.CreateLogger<NetworkManager>());
-
-            Logger = LoggerFactory.CreateLogger<ApplicationHost>();
-
             _startupOptions = options;
             _startupConfig = startupConfig;
+            _fileSystemManager = fileSystem;
+            ServiceCollection = serviceCollection;
 
-            // Initialize runtime stat collection
-            if (ServerConfigurationManager.Configuration.EnableMetrics)
-            {
-                DotNetRuntimeStatsBuilder.Default().StartCollecting();
-            }
-
+            Logger = LoggerFactory.CreateLogger<ApplicationHost>();
             fileSystem.AddShortcutHandler(new MbLinkShortcutHandler(fileSystem));
 
             ApplicationVersion = typeof(ApplicationHost).Assembly.GetName().Version;
             ApplicationVersionString = ApplicationVersion.ToString(3);
             ApplicationUserAgent = Name.Replace(' ', '-') + "/" + ApplicationVersionString;
 
+            _xmlSerializer = new MyXmlSerializer();
+            ConfigurationManager = new ServerConfigurationManager(ApplicationPaths, LoggerFactory, _xmlSerializer, _fileSystemManager);
             _pluginManager = new PluginManager(
                 LoggerFactory.CreateLogger<PluginManager>(),
                 this,
-                ServerConfigurationManager.Configuration,
+                ConfigurationManager.Configuration,
                 ApplicationPaths.PluginsPath,
                 ApplicationVersion);
         }
@@ -306,9 +283,9 @@ namespace Emby.Server.Implementations
             if (!File.Exists(path))
             {
                 var networkSettings = new NetworkConfiguration();
-                ClassMigrationHelper.CopyProperties(ServerConfigurationManager.Configuration, networkSettings);
+                ClassMigrationHelper.CopyProperties(ConfigurationManager.Configuration, networkSettings);
                 _xmlSerializer.SerializeToFile(networkSettings, path);
-                Logger?.LogDebug("Successfully migrated network settings.");
+                Logger.LogDebug("Successfully migrated network settings.");
             }
         }
 
@@ -358,10 +335,7 @@ namespace Emby.Server.Implementations
         {
             get
             {
-                if (_deviceId == null)
-                {
-                    _deviceId = new DeviceId(ApplicationPaths, LoggerFactory);
-                }
+                _deviceId ??= new DeviceId(ApplicationPaths, LoggerFactory);
 
                 return _deviceId.Value;
             }
@@ -393,10 +367,7 @@ namespace Emby.Server.Implementations
         /// <returns>System.Object.</returns>
         protected object CreateInstanceSafe(Type type)
         {
-            if (_creatingInstances == null)
-            {
-                _creatingInstances = new List<Type>();
-            }
+            _creatingInstances ??= new List<Type>();
 
             if (_creatingInstances.IndexOf(type) != -1)
             {
@@ -545,7 +516,21 @@ namespace Emby.Server.Implementations
         /// <inheritdoc/>
         public void Init()
         {
-            var networkConfiguration = ServerConfigurationManager.GetNetworkConfiguration();
+            DiscoverTypes();
+
+            ConfigurationManager.AddParts(GetExports<IConfigurationFactory>());
+
+            // Have to migrate settings here as migration subsystem not yet initialised.
+            MigrateNetworkConfiguration();
+            NetManager = new NetworkManager(ConfigurationManager, LoggerFactory.CreateLogger<NetworkManager>());
+
+            // Initialize runtime stat collection
+            if (ConfigurationManager.Configuration.EnableMetrics)
+            {
+                DotNetRuntimeStatsBuilder.Default().StartCollecting();
+            }
+
+            var networkConfiguration = ConfigurationManager.GetNetworkConfiguration();
             HttpPort = networkConfiguration.HttpServerPortNumber;
             HttpsPort = networkConfiguration.HttpsPortNumber;
 
@@ -563,8 +548,6 @@ namespace Emby.Server.Implementations
             };
             Certificate = GetCertificate(CertificateInfo);
 
-            DiscoverTypes();
-
             RegisterServices();
 
             _pluginManager.RegisterServices(ServiceCollection);
@@ -579,7 +562,8 @@ namespace Emby.Server.Implementations
 
             ServiceCollection.AddMemoryCache();
 
-            ServiceCollection.AddSingleton(ConfigurationManager);
+            ServiceCollection.AddSingleton<IServerConfigurationManager>(ConfigurationManager);
+            ServiceCollection.AddSingleton<IConfigurationManager>(ConfigurationManager);
             ServiceCollection.AddSingleton<IApplicationHost>(this);
             ServiceCollection.AddSingleton<IPluginManager>(_pluginManager);
             ServiceCollection.AddSingleton<IApplicationPaths>(ApplicationPaths);
@@ -606,8 +590,6 @@ namespace Emby.Server.Implementations
             ServiceCollection.AddSingleton<IServerApplicationHost>(this);
             ServiceCollection.AddSingleton<IServerApplicationPaths>(ApplicationPaths);
 
-            ServiceCollection.AddSingleton(ServerConfigurationManager);
-
             ServiceCollection.AddSingleton<ILocalizationManager, LocalizationManager>();
 
             ServiceCollection.AddSingleton<IBlurayExaminer, BdInfoExaminer>();
@@ -619,12 +601,8 @@ namespace Emby.Server.Implementations
 
             ServiceCollection.AddSingleton<IAuthenticationRepository, AuthenticationRepository>();
 
-            // TODO: Refactor to eliminate the circular dependency here so that Lazy<T> isn't required
-            ServiceCollection.AddTransient(provider => new Lazy<IDtoService>(provider.GetRequiredService<IDtoService>));
-
-            // TODO: Refactor to eliminate the circular dependency here so that Lazy<T> isn't required
-            ServiceCollection.AddTransient(provider => new Lazy<EncodingHelper>(provider.GetRequiredService<EncodingHelper>));
             ServiceCollection.AddSingleton<IMediaEncoder, MediaBrowser.MediaEncoding.Encoder.MediaEncoder>();
+            ServiceCollection.AddSingleton<EncodingHelper>();
 
             // TODO: Refactor to eliminate the circular dependencies here so that Lazy<T> isn't required
             ServiceCollection.AddTransient(provider => new Lazy<ILibraryMonitor>(provider.GetRequiredService<ILibraryMonitor>));
@@ -687,8 +665,6 @@ namespace Emby.Server.Implementations
 
             ServiceCollection.AddSingleton<ISubtitleEncoder, MediaBrowser.MediaEncoding.Subtitles.SubtitleEncoder>();
 
-            ServiceCollection.AddSingleton<EncodingHelper>();
-
             ServiceCollection.AddSingleton<IAttachmentExtractor, MediaBrowser.MediaEncoding.Attachments.AttachmentExtractor>();
 
             ServiceCollection.AddSingleton<TranscodingJobHelper>();
@@ -794,7 +770,7 @@ namespace Emby.Server.Implementations
         {
             // For now there's no real way to inject these properly
             BaseItem.Logger = Resolve<ILogger<BaseItem>>();
-            BaseItem.ConfigurationManager = ServerConfigurationManager;
+            BaseItem.ConfigurationManager = ConfigurationManager;
             BaseItem.LibraryManager = Resolve<ILibraryManager>();
             BaseItem.ProviderManager = Resolve<IProviderManager>();
             BaseItem.LocalizationManager = Resolve<ILocalizationManager>();
@@ -816,13 +792,12 @@ namespace Emby.Server.Implementations
         /// </summary>
         private void FindParts()
         {
-            if (!ServerConfigurationManager.Configuration.IsPortAuthorized)
+            if (!ConfigurationManager.Configuration.IsPortAuthorized)
             {
-                ServerConfigurationManager.Configuration.IsPortAuthorized = true;
+                ConfigurationManager.Configuration.IsPortAuthorized = true;
                 ConfigurationManager.SaveConfiguration();
             }
 
-            ConfigurationManager.AddParts(GetExports<IConfigurationFactory>());
             _pluginManager.CreatePlugins();
 
             _urlPrefixes = GetUrlPrefixes().ToArray();
@@ -926,7 +901,7 @@ namespace Emby.Server.Implementations
         protected void OnConfigurationUpdated(object sender, EventArgs e)
         {
             var requiresRestart = false;
-            var networkConfiguration = ServerConfigurationManager.GetNetworkConfiguration();
+            var networkConfiguration = ConfigurationManager.GetNetworkConfiguration();
 
             // Don't do anything if these haven't been set yet
             if (HttpPort != 0 && HttpsPort != 0)
@@ -935,10 +910,10 @@ namespace Emby.Server.Implementations
                 if (networkConfiguration.HttpServerPortNumber != HttpPort ||
                     networkConfiguration.HttpsPortNumber != HttpsPort)
                 {
-                    if (ServerConfigurationManager.Configuration.IsPortAuthorized)
+                    if (ConfigurationManager.Configuration.IsPortAuthorized)
                     {
-                        ServerConfigurationManager.Configuration.IsPortAuthorized = false;
-                        ServerConfigurationManager.SaveConfiguration();
+                        ConfigurationManager.Configuration.IsPortAuthorized = false;
+                        ConfigurationManager.SaveConfiguration();
 
                         requiresRestart = true;
                     }
@@ -1154,7 +1129,7 @@ namespace Emby.Server.Implementations
         }
 
         /// <inheritdoc/>
-        public bool ListenWithHttps => Certificate != null && ServerConfigurationManager.GetNetworkConfiguration().EnableHttps;
+        public bool ListenWithHttps => Certificate != null && ConfigurationManager.GetNetworkConfiguration().EnableHttps;
 
         /// <inheritdoc/>
         public string GetSmartApiUrl(IPAddress ipAddress, int? port = null)
@@ -1238,14 +1213,14 @@ namespace Emby.Server.Implementations
                 Scheme = scheme ?? (ListenWithHttps ? Uri.UriSchemeHttps : Uri.UriSchemeHttp),
                 Host = host,
                 Port = port ?? (ListenWithHttps ? HttpsPort : HttpPort),
-                Path = ServerConfigurationManager.GetNetworkConfiguration().BaseUrl
+                Path = ConfigurationManager.GetNetworkConfiguration().BaseUrl
             }.ToString().TrimEnd('/');
         }
 
         public string FriendlyName =>
-            string.IsNullOrEmpty(ServerConfigurationManager.Configuration.ServerName)
+            string.IsNullOrEmpty(ConfigurationManager.Configuration.ServerName)
                 ? Environment.MachineName
-                : ServerConfigurationManager.Configuration.ServerName;
+                : ConfigurationManager.Configuration.ServerName;
 
         /// <summary>
         /// Shuts down.
diff --git a/Emby.Server.Implementations/Channels/ChannelManager.cs b/Emby.Server.Implementations/Channels/ChannelManager.cs
index 87ebe960a..7324b0ee9 100644
--- a/Emby.Server.Implementations/Channels/ChannelManager.cs
+++ b/Emby.Server.Implementations/Channels/ChannelManager.cs
@@ -3,7 +3,6 @@ using System.Collections.Generic;
 using System.Globalization;
 using System.IO;
 using System.Linq;
-using System.Text;
 using System.Text.Json;
 using System.Threading;
 using System.Threading.Tasks;
diff --git a/Emby.Server.Implementations/Collections/CollectionManager.cs b/Emby.Server.Implementations/Collections/CollectionManager.cs
index db532ce5b..c56f33448 100644
--- a/Emby.Server.Implementations/Collections/CollectionManager.cs
+++ b/Emby.Server.Implementations/Collections/CollectionManager.cs
@@ -1,6 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Threading;
@@ -8,11 +7,9 @@ using System.Threading.Tasks;
 using Jellyfin.Data.Entities;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Controller.Collections;
-using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Entities.Movies;
 using MediaBrowser.Controller.Library;
-using MediaBrowser.Controller.Plugins;
 using MediaBrowser.Controller.Providers;
 using MediaBrowser.Model.Configuration;
 using MediaBrowser.Model.Entities;
@@ -124,7 +121,7 @@ namespace Emby.Server.Implementations.Collections
 
         private IEnumerable<BoxSet> GetCollections(User user)
         {
-            var folder = GetCollectionsFolder(false).Result;
+            var folder = GetCollectionsFolder(false).GetAwaiter().GetResult();
 
             return folder == null
                 ? Enumerable.Empty<BoxSet>()
@@ -167,7 +164,7 @@ namespace Emby.Server.Implementations.Collections
 
                 parentFolder.AddChild(collection, CancellationToken.None);
 
-                if (options.ItemIdList.Length > 0)
+                if (options.ItemIdList.Count > 0)
                 {
                     await AddToCollectionAsync(
                         collection.Id,
@@ -251,11 +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));
                 }
             }
         }
@@ -307,11 +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 />
@@ -319,11 +308,11 @@ namespace Emby.Server.Implementations.Collections
         {
             var results = new Dictionary<Guid, BaseItem>();
 
-            var allBoxsets = GetCollections(user).ToList();
+            var allBoxSets = GetCollections(user).ToList();
 
             foreach (var item in items)
             {
-                if (!(item is ISupportsBoxSetGrouping))
+                if (item is not ISupportsBoxSetGrouping)
                 {
                     results[item.Id] = item;
                 }
@@ -331,34 +320,45 @@ namespace Emby.Server.Implementations.Collections
                 {
                     var itemId = item.Id;
 
-                    var currentBoxSets = allBoxsets
-                        .Where(i => i.ContainsLinkedChildByItemId(itemId))
-                        .ToList();
-
-                    if (currentBoxSets.Count > 0)
+                    var itemIsInBoxSet = false;
+                    foreach (var boxSet in allBoxSets)
                     {
-                        foreach (var boxset in currentBoxSets)
+                        if (!boxSet.ContainsLinkedChildByItemId(itemId))
                         {
-                            results[boxset.Id] = boxset;
+                            continue;
                         }
+
+                        itemIsInBoxSet = true;
+
+                        results.TryAdd(boxSet.Id, boxSet);
+                    }
+
+                    // skip any item that is in a box set
+                    if (itemIsInBoxSet)
+                    {
+                        continue;
                     }
-                    else
+
+                    var alreadyInResults = false;
+                    // this is kind of a performance hack because only Video has alternate versions that should be in a box set?
+                    if (item is Video video)
                     {
-                        var alreadyInResults = false;
-                        foreach (var child in item.GetMediaSources(true))
+                        foreach (var childId in video.GetLocalAlternateVersionIds())
                         {
-                            if (Guid.TryParse(child.Id, out var id) && results.ContainsKey(id))
+                            if (!results.ContainsKey(childId))
                             {
-                                alreadyInResults = true;
-                                break;
+                                continue;
                             }
-                        }
 
-                        if (!alreadyInResults)
-                        {
-                            results[item.Id] = item;
+                            alreadyInResults = true;
+                            break;
                         }
                     }
+
+                    if (!alreadyInResults)
+                    {
+                        results[itemId] = item;
+                    }
                 }
             }
 
diff --git a/Emby.Server.Implementations/ConfigurationOptions.cs b/Emby.Server.Implementations/ConfigurationOptions.cs
index cd9dbb1bd..01dc728c1 100644
--- a/Emby.Server.Implementations/ConfigurationOptions.cs
+++ b/Emby.Server.Implementations/ConfigurationOptions.cs
@@ -1,5 +1,4 @@
 using System.Collections.Generic;
-using Emby.Server.Implementations.HttpServer;
 using static MediaBrowser.Controller.Extensions.ConfigurationExtensions;
 
 namespace Emby.Server.Implementations
diff --git a/Emby.Server.Implementations/Data/SqliteItemRepository.cs b/Emby.Server.Implementations/Data/SqliteItemRepository.cs
index 2ae805447..835eb0692 100644
--- a/Emby.Server.Implementations/Data/SqliteItemRepository.cs
+++ b/Emby.Server.Implementations/Data/SqliteItemRepository.cs
@@ -1,6 +1,7 @@
 #pragma warning disable CS1591
 
 using System;
+using System.Buffers.Text;
 using System.Collections.Generic;
 using System.Globalization;
 using System.IO;
@@ -502,7 +503,7 @@ namespace Emby.Server.Implementations.Data
                     using (var saveImagesStatement = base.PrepareStatement(db, "Update TypedBaseItems set Images=@Images where guid=@Id"))
                     {
                         saveImagesStatement.TryBind("@Id", item.Id.ToByteArray());
-                        saveImagesStatement.TryBind("@Images", SerializeImages(item));
+                        saveImagesStatement.TryBind("@Images", SerializeImages(item.ImageInfos));
 
                         saveImagesStatement.MoveNext();
                     }
@@ -897,8 +898,8 @@ namespace Emby.Server.Implementations.Data
             saveItemStatement.TryBind("@ExternalSeriesId", item.ExternalSeriesId);
             saveItemStatement.TryBind("@Tagline", item.Tagline);
 
-            saveItemStatement.TryBind("@ProviderIds", SerializeProviderIds(item));
-            saveItemStatement.TryBind("@Images", SerializeImages(item));
+            saveItemStatement.TryBind("@ProviderIds", SerializeProviderIds(item.ProviderIds));
+            saveItemStatement.TryBind("@Images", SerializeImages(item.ImageInfos));
 
             if (item.ProductionLocations.Length > 0)
             {
@@ -968,10 +969,10 @@ namespace Emby.Server.Implementations.Data
             saveItemStatement.MoveNext();
         }
 
-        private static string SerializeProviderIds(BaseItem item)
+        internal static string SerializeProviderIds(Dictionary<string, string> providerIds)
         {
             StringBuilder str = new StringBuilder();
-            foreach (var i in item.ProviderIds)
+            foreach (var i in providerIds)
             {
                 // Ideally we shouldn't need this IsNullOrWhiteSpace check,
                 // but we're seeing some cases of bad data slip through
@@ -995,35 +996,25 @@ namespace Emby.Server.Implementations.Data
             return str.ToString();
         }
 
-        private static void DeserializeProviderIds(string value, BaseItem item)
+        internal static void DeserializeProviderIds(string value, IHasProviderIds item)
         {
             if (string.IsNullOrWhiteSpace(value))
             {
                 return;
             }
 
-            if (item.ProviderIds.Count > 0)
+            foreach (var part in value.SpanSplit('|'))
             {
-                return;
-            }
-
-            var parts = value.Split('|', StringSplitOptions.RemoveEmptyEntries);
-
-            foreach (var part in parts)
-            {
-                var idParts = part.Split('=');
-
-                if (idParts.Length == 2)
+                var providerDelimiterIndex = part.IndexOf('=');
+                if (providerDelimiterIndex != -1 && providerDelimiterIndex == part.LastIndexOf('='))
                 {
-                    item.SetProviderId(idParts[0], idParts[1]);
+                    item.SetProviderId(part.Slice(0, providerDelimiterIndex).ToString(), part.Slice(providerDelimiterIndex + 1).ToString());
                 }
             }
         }
 
-        private string SerializeImages(BaseItem item)
+        internal string SerializeImages(ItemImageInfo[] images)
         {
-            var images = item.ImageInfos;
-
             if (images.Length == 0)
             {
                 return null;
@@ -1045,21 +1036,15 @@ namespace Emby.Server.Implementations.Data
             return str.ToString();
         }
 
-        private void DeserializeImages(string value, BaseItem item)
+        internal ItemImageInfo[] DeserializeImages(string value)
         {
             if (string.IsNullOrWhiteSpace(value))
             {
-                return;
-            }
-
-            if (item.ImageInfos.Length > 0)
-            {
-                return;
+                return Array.Empty<ItemImageInfo>();
             }
 
-            var parts = value.Split('|' , StringSplitOptions.RemoveEmptyEntries);
             var list = new List<ItemImageInfo>();
-            foreach (var part in parts)
+            foreach (var part in value.SpanSplit('|'))
             {
                 var image = ItemImageInfoFromValueString(part);
 
@@ -1069,15 +1054,14 @@ namespace Emby.Server.Implementations.Data
                 }
             }
 
-            item.ImageInfos = list.ToArray();
+            return list.ToArray();
         }
 
-        public void AppendItemImageInfo(StringBuilder bldr, ItemImageInfo image)
+        private void AppendItemImageInfo(StringBuilder bldr, ItemImageInfo image)
         {
             const char Delimiter = '*';
 
             var path = image.Path ?? string.Empty;
-            var hash = image.BlurHash ?? string.Empty;
 
             bldr.Append(GetPathToSave(path))
                 .Append(Delimiter)
@@ -1087,48 +1071,105 @@ namespace Emby.Server.Implementations.Data
                 .Append(Delimiter)
                 .Append(image.Width)
                 .Append(Delimiter)
-                .Append(image.Height)
-                .Append(Delimiter)
-                // Replace delimiters with other characters.
-                // This can be removed when we migrate to a proper DB.
-                .Append(hash.Replace('*', '/').Replace('|', '\\'));
+                .Append(image.Height);
+
+            var hash = image.BlurHash;
+            if (!string.IsNullOrEmpty(hash))
+            {
+                bldr.Append(Delimiter)
+                    // Replace delimiters with other characters.
+                    // This can be removed when we migrate to a proper DB.
+                    .Append(hash.Replace('*', '/').Replace('|', '\\'));
+            }
         }
 
-        public ItemImageInfo ItemImageInfoFromValueString(string value)
+        internal ItemImageInfo ItemImageInfoFromValueString(ReadOnlySpan<char> value)
         {
-            var parts = value.Split('*', StringSplitOptions.None);
+            var nextSegment = value.IndexOf('*');
+            if (nextSegment == -1)
+            {
+                return null;
+            }
 
-            if (parts.Length < 3)
+            ReadOnlySpan<char> path = value[..nextSegment];
+            value = value[(nextSegment + 1)..];
+            nextSegment = value.IndexOf('*');
+            if (nextSegment == -1)
             {
                 return null;
             }
 
-            var image = new ItemImageInfo();
+            ReadOnlySpan<char> dateModified = value[..nextSegment];
+            value = value[(nextSegment + 1)..];
+            nextSegment = value.IndexOf('*');
+            if (nextSegment == -1)
+            {
+                nextSegment = value.Length;
+            }
+
+            ReadOnlySpan<char> imageType = value[..nextSegment];
 
-            image.Path = RestorePath(parts[0]);
+            var image = new ItemImageInfo
+            {
+                Path = RestorePath(path.ToString())
+            };
 
-            if (long.TryParse(parts[1], NumberStyles.Any, CultureInfo.InvariantCulture, out var ticks))
+            if (long.TryParse(dateModified, NumberStyles.Any, CultureInfo.InvariantCulture, out var ticks))
             {
                 image.DateModified = new DateTime(ticks, DateTimeKind.Utc);
             }
 
-            if (Enum.TryParse(parts[2], true, out ImageType type))
+            if (Enum.TryParse(imageType.ToString(), true, out ImageType type))
             {
                 image.Type = type;
             }
 
-            if (parts.Length >= 5)
+            // Optional parameters: width*height*blurhash
+            if (nextSegment + 1 < value.Length - 1)
             {
-                if (int.TryParse(parts[3], NumberStyles.Integer, CultureInfo.InvariantCulture, out var width)
-                    && int.TryParse(parts[4], NumberStyles.Integer, CultureInfo.InvariantCulture, out var height))
+                value = value[(nextSegment + 1)..];
+                nextSegment = value.IndexOf('*');
+                if (nextSegment == -1 || nextSegment == value.Length)
+                {
+                    return image;
+                }
+
+                ReadOnlySpan<char> widthSpan = value[..nextSegment];
+
+                value = value[(nextSegment + 1)..];
+                nextSegment = value.IndexOf('*');
+                if (nextSegment == -1)
+                {
+                    nextSegment = value.Length;
+                }
+
+                ReadOnlySpan<char> heightSpan = value[..nextSegment];
+
+                if (int.TryParse(widthSpan, NumberStyles.Integer, CultureInfo.InvariantCulture, out var width)
+                    && int.TryParse(heightSpan, NumberStyles.Integer, CultureInfo.InvariantCulture, out var height))
                 {
                     image.Width = width;
                     image.Height = height;
                 }
 
-                if (parts.Length >= 6)
+                if (nextSegment < value.Length - 1)
                 {
-                    image.BlurHash = parts[5].Replace('/', '*').Replace('\\', '|');
+                    value = value[(nextSegment + 1)..];
+                    var length = value.Length;
+
+                    Span<char> blurHashSpan = stackalloc char[length];
+                    for (int i = 0; i < length; i++)
+                    {
+                        var c = value[i];
+                        blurHashSpan[i] = c switch
+                        {
+                            '/' => '*',
+                            '\\' => '|',
+                            _ => c
+                        };
+                    }
+
+                    image.BlurHash = new string(blurHashSpan);
                 }
             }
 
@@ -1311,7 +1352,14 @@ namespace Emby.Server.Implementations.Data
 
             if (!reader.IsDBNull(index))
             {
-                item.ChannelId = new Guid(reader.GetString(index));
+                if (!Utf8Parser.TryParse(reader[index].ToBlob(), out Guid value, out _, standardFormat: 'N'))
+                {
+                    var str = reader.GetString(index);
+                    Logger.LogWarning("{ChannelId} isn't in the expected format", str);
+                    value = new Guid(str);
+                }
+
+                item.ChannelId = value;
             }
 
             index++;
@@ -1790,7 +1838,7 @@ namespace Emby.Server.Implementations.Data
                 index++;
             }
 
-            if (!reader.IsDBNull(index))
+            if (item.ProviderIds.Count == 0 && !reader.IsDBNull(index))
             {
                 DeserializeProviderIds(reader.GetString(index), item);
             }
@@ -1799,9 +1847,9 @@ namespace Emby.Server.Implementations.Data
 
             if (query.DtoOptions.EnableImages)
             {
-                if (!reader.IsDBNull(index))
+                if (item.ImageInfos.Length == 0 && !reader.IsDBNull(index))
                 {
-                    DeserializeImages(reader.GetString(index), item);
+                    item.ImageInfos = DeserializeImages(reader.GetString(index));
                 }
 
                 index++;
@@ -2116,30 +2164,7 @@ namespace Emby.Server.Implementations.Data
                     || query.IsLiked.HasValue;
         }
 
-        private readonly ItemFields[] _allFields = Enum.GetNames(typeof(ItemFields))
-            .Select(i => (ItemFields)Enum.Parse(typeof(ItemFields), i, true))
-            .ToArray();
-
-        private string[] GetColumnNamesFromField(ItemFields field)
-        {
-            switch (field)
-            {
-                case ItemFields.Settings:
-                    return new[] { "IsLocked", "PreferredMetadataCountryCode", "PreferredMetadataLanguage", "LockedFields" };
-                case ItemFields.ServiceName:
-                    return new[] { "ExternalServiceId" };
-                case ItemFields.SortName:
-                    return new[] { "ForcedSortName" };
-                case ItemFields.Taglines:
-                    return new[] { "Tagline" };
-                case ItemFields.Tags:
-                    return new[] { "Tags" };
-                case ItemFields.IsHD:
-                    return Array.Empty<string>();
-                default:
-                    return new[] { field.ToString() };
-            }
-        }
+        private readonly ItemFields[] _allFields = Enum.GetValues<ItemFields>();
 
         private bool HasField(InternalItemsQuery query, ItemFields name)
         {
@@ -2329,9 +2354,32 @@ namespace Emby.Server.Implementations.Data
             {
                 if (!HasField(query, field))
                 {
-                    foreach (var fieldToRemove in GetColumnNamesFromField(field))
+                    switch (field)
                     {
-                        list.Remove(fieldToRemove);
+                        case ItemFields.Settings:
+                            list.Remove("IsLocked");
+                            list.Remove("PreferredMetadataCountryCode");
+                            list.Remove("PreferredMetadataLanguage");
+                            list.Remove("LockedFields");
+                            break;
+                        case ItemFields.ServiceName:
+                            list.Remove("ExternalServiceId");
+                            break;
+                        case ItemFields.SortName:
+                            list.Remove("ForcedSortName");
+                            break;
+                        case ItemFields.Taglines:
+                            list.Remove("Tagline");
+                            break;
+                        case ItemFields.Tags:
+                            list.Remove("Tags");
+                            break;
+                        case ItemFields.IsHD:
+                            // do nothing
+                            break;
+                        default:
+                            list.Remove(field.ToString());
+                            break;
                     }
                 }
             }
@@ -2578,9 +2626,9 @@ namespace Emby.Server.Implementations.Data
             }
 
             var commandText = "select "
-                            + string.Join(',', GetFinalColumnsToSelect(query, new[] { "count(distinct PresentationUniqueKey)" }))
-                            + GetFromText()
-                            + GetJoinUserDataText(query);
+                              + string.Join(',', GetFinalColumnsToSelect(query, new[] { "count(distinct PresentationUniqueKey)" }))
+                              + GetFromText()
+                              + GetJoinUserDataText(query);
 
             var whereClauses = GetWhereClauses(query, null);
             if (whereClauses.Count != 0)
@@ -2721,87 +2769,22 @@ namespace Emby.Server.Implementations.Data
 
         private string FixUnicodeChars(string buffer)
         {
-            if (buffer.IndexOf('\u2013', StringComparison.Ordinal) > -1)
-            {
-                buffer = buffer.Replace('\u2013', '-'); // en dash
-            }
-
-            if (buffer.IndexOf('\u2014', StringComparison.Ordinal) > -1)
-            {
-                buffer = buffer.Replace('\u2014', '-'); // em dash
-            }
-
-            if (buffer.IndexOf('\u2015', StringComparison.Ordinal) > -1)
-            {
-                buffer = buffer.Replace('\u2015', '-'); // horizontal bar
-            }
-
-            if (buffer.IndexOf('\u2017', StringComparison.Ordinal) > -1)
-            {
-                buffer = buffer.Replace('\u2017', '_'); // double low line
-            }
-
-            if (buffer.IndexOf('\u2018', StringComparison.Ordinal) > -1)
-            {
-                buffer = buffer.Replace('\u2018', '\''); // left single quotation mark
-            }
-
-            if (buffer.IndexOf('\u2019', StringComparison.Ordinal) > -1)
-            {
-                buffer = buffer.Replace('\u2019', '\''); // right single quotation mark
-            }
-
-            if (buffer.IndexOf('\u201a', StringComparison.Ordinal) > -1)
-            {
-                buffer = buffer.Replace('\u201a', ','); // single low-9 quotation mark
-            }
-
-            if (buffer.IndexOf('\u201b', StringComparison.Ordinal) > -1)
-            {
-                buffer = buffer.Replace('\u201b', '\''); // single high-reversed-9 quotation mark
-            }
-
-            if (buffer.IndexOf('\u201c', StringComparison.Ordinal) > -1)
-            {
-                buffer = buffer.Replace('\u201c', '\"'); // left double quotation mark
-            }
-
-            if (buffer.IndexOf('\u201d', StringComparison.Ordinal) > -1)
-            {
-                buffer = buffer.Replace('\u201d', '\"'); // right double quotation mark
-            }
-
-            if (buffer.IndexOf('\u201e', StringComparison.Ordinal) > -1)
-            {
-                buffer = buffer.Replace('\u201e', '\"'); // double low-9 quotation mark
-            }
-
-            if (buffer.IndexOf('\u2026', StringComparison.Ordinal) > -1)
-            {
-                buffer = buffer.Replace("\u2026", "...", StringComparison.Ordinal); // horizontal ellipsis
-            }
-
-            if (buffer.IndexOf('\u2032', StringComparison.Ordinal) > -1)
-            {
-                buffer = buffer.Replace('\u2032', '\''); // prime
-            }
-
-            if (buffer.IndexOf('\u2033', StringComparison.Ordinal) > -1)
-            {
-                buffer = buffer.Replace('\u2033', '\"'); // double prime
-            }
-
-            if (buffer.IndexOf('\u0060', StringComparison.Ordinal) > -1)
-            {
-                buffer = buffer.Replace('\u0060', '\''); // grave accent
-            }
-
-            if (buffer.IndexOf('\u00B4', StringComparison.Ordinal) > -1)
-            {
-                buffer = buffer.Replace('\u00B4', '\''); // acute accent
-            }
-
-            return buffer;
+            buffer = buffer.Replace('\u2013', '-'); // en dash
+            buffer = buffer.Replace('\u2014', '-'); // em dash
+            buffer = buffer.Replace('\u2015', '-'); // horizontal bar
+            buffer = buffer.Replace('\u2017', '_'); // double low line
+            buffer = buffer.Replace('\u2018', '\''); // left single quotation mark
+            buffer = buffer.Replace('\u2019', '\''); // right single quotation mark
+            buffer = buffer.Replace('\u201a', ','); // single low-9 quotation mark
+            buffer = buffer.Replace('\u201b', '\''); // single high-reversed-9 quotation mark
+            buffer = buffer.Replace('\u201c', '\"'); // left double quotation mark
+            buffer = buffer.Replace('\u201d', '\"'); // right double quotation mark
+            buffer = buffer.Replace('\u201e', '\"'); // double low-9 quotation mark
+            buffer = buffer.Replace("\u2026", "...", StringComparison.Ordinal); // horizontal ellipsis
+            buffer = buffer.Replace('\u2032', '\''); // prime
+            buffer = buffer.Replace('\u2033', '\"'); // double prime
+            buffer = buffer.Replace('\u0060', '\''); // grave accent
+            return buffer.Replace('\u00B4', '\''); // acute accent
         }
 
         private void AddItem(List<BaseItem> items, BaseItem newItem)
@@ -3584,11 +3567,11 @@ namespace Emby.Server.Implementations.Data
                 statement?.TryBind("@IsFolder", query.IsFolder);
             }
 
-            var includeTypes = query.IncludeItemTypes.SelectMany(MapIncludeItemTypes).ToArray();
+            var includeTypes = query.IncludeItemTypes.Select(MapIncludeItemTypes).Where(x => x != null).ToArray();
             // Only specify excluded types if no included types are specified
             if (includeTypes.Length == 0)
             {
-                var excludeTypes = query.ExcludeItemTypes.SelectMany(MapIncludeItemTypes).ToArray();
+                var excludeTypes = query.ExcludeItemTypes.Select(MapIncludeItemTypes).Where(x => x != null).ToArray();
                 if (excludeTypes.Length == 1)
                 {
                     whereClauses.Add("type<>@type");
@@ -4532,7 +4515,7 @@ namespace Emby.Server.Implementations.Data
                 whereClauses.Add(GetProviderIdClause(query.HasTvdbId.Value, "tvdb"));
             }
 
-            var includedItemByNameTypes = GetItemByNameTypesInQuery(query).SelectMany(MapIncludeItemTypes).ToList();
+            var includedItemByNameTypes = GetItemByNameTypesInQuery(query);
             var enableItemsByName = (query.IncludeItemsByName ?? false) && includedItemByNameTypes.Count > 0;
 
             var queryTopParentIds = query.TopParentIds;
@@ -4790,27 +4773,27 @@ namespace Emby.Server.Implementations.Data
 
             if (IsTypeInQuery(nameof(Person), query))
             {
-                list.Add(nameof(Person));
+                list.Add(typeof(Person).FullName);
             }
 
             if (IsTypeInQuery(nameof(Genre), query))
             {
-                list.Add(nameof(Genre));
+                list.Add(typeof(Genre).FullName);
             }
 
             if (IsTypeInQuery(nameof(MusicGenre), query))
             {
-                list.Add(nameof(MusicGenre));
+                list.Add(typeof(MusicGenre).FullName);
             }
 
             if (IsTypeInQuery(nameof(MusicArtist), query))
             {
-                list.Add(nameof(MusicArtist));
+                list.Add(typeof(MusicArtist).FullName);
             }
 
             if (IsTypeInQuery(nameof(Studio), query))
             {
-                list.Add(nameof(Studio));
+                list.Add(typeof(Studio).FullName);
             }
 
             return list;
@@ -4915,15 +4898,10 @@ namespace Emby.Server.Implementations.Data
             typeof(AggregateFolder)
         };
 
-        public void UpdateInheritedValues(CancellationToken cancellationToken)
-        {
-            UpdateInheritedTags(cancellationToken);
-        }
-
-        private void UpdateInheritedTags(CancellationToken cancellationToken)
+        public void UpdateInheritedValues()
         {
             string sql = string.Join(
-                ";",
+                ';',
                 new string[]
                 {
                     "delete from itemvalues where type = 6",
@@ -4946,37 +4924,38 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
             }
         }
 
-        private static Dictionary<string, string[]> GetTypeMapDictionary()
+        private static Dictionary<string, string> GetTypeMapDictionary()
         {
-            var dict = new Dictionary<string, string[]>(StringComparer.OrdinalIgnoreCase);
+            var dict = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
 
             foreach (var t in _knownTypes)
             {
-                dict[t.Name] = new[] { t.FullName };
+                dict[t.Name] = t.FullName ;
             }
 
-            dict["Program"] = new[] { typeof(LiveTvProgram).FullName };
-            dict["TvChannel"] = new[] { typeof(LiveTvChannel).FullName };
+            dict["Program"] = typeof(LiveTvProgram).FullName;
+            dict["TvChannel"] = typeof(LiveTvChannel).FullName;
 
             return dict;
         }
 
         // Not crazy about having this all the way down here, but at least it's in one place
-        private readonly Dictionary<string, string[]> _types = GetTypeMapDictionary();
+        private readonly Dictionary<string, string> _types = GetTypeMapDictionary();
 
-        private string[] MapIncludeItemTypes(string value)
+        private string MapIncludeItemTypes(string value)
         {
-            if (_types.TryGetValue(value, out string[] result))
+            if (_types.TryGetValue(value, out string result))
             {
                 return result;
             }
 
             if (IsValidType(value))
             {
-                return new[] { value };
+                return value;
             }
 
-            return Array.Empty<string>();
+            Logger.LogWarning("Unknown item type: {ItemType}", value);
+            return null;
         }
 
         public void DeleteItem(Guid id)
@@ -5279,31 +5258,46 @@ AND Type = @InternalPersonType)");
 
         public List<string> GetStudioNames()
         {
-            return GetItemValueNames(new[] { 3 }, new List<string>(), new List<string>());
+            return GetItemValueNames(new[] { 3 }, Array.Empty<string>(), Array.Empty<string>());
         }
 
         public List<string> GetAllArtistNames()
         {
-            return GetItemValueNames(new[] { 0, 1 }, new List<string>(), new List<string>());
+            return GetItemValueNames(new[] { 0, 1 }, Array.Empty<string>(), Array.Empty<string>());
         }
 
         public List<string> GetMusicGenreNames()
         {
-            return GetItemValueNames(new[] { 2 }, new List<string> { "Audio", "MusicVideo", "MusicAlbum", "MusicArtist" }, new List<string>());
+            return GetItemValueNames(
+                new[] { 2 },
+                new string[]
+                {
+                    typeof(Audio).FullName,
+                    typeof(MusicVideo).FullName,
+                    typeof(MusicAlbum).FullName,
+                    typeof(MusicArtist).FullName
+                },
+                Array.Empty<string>());
         }
 
         public List<string> GetGenreNames()
         {
-            return GetItemValueNames(new[] { 2 }, new List<string>(), new List<string> { "Audio", "MusicVideo", "MusicAlbum", "MusicArtist" });
+            return GetItemValueNames(
+                new[] { 2 },
+                Array.Empty<string>(),
+                new string[]
+                {
+                    typeof(Audio).FullName,
+                    typeof(MusicVideo).FullName,
+                    typeof(MusicAlbum).FullName,
+                    typeof(MusicArtist).FullName
+                });
         }
 
-        private List<string> GetItemValueNames(int[] itemValueTypes, List<string> withItemTypes, List<string> excludeItemTypes)
+        private List<string> GetItemValueNames(int[] itemValueTypes, IReadOnlyList<string> withItemTypes, IReadOnlyList<string> excludeItemTypes)
         {
             CheckDisposed();
 
-            withItemTypes = withItemTypes.SelectMany(MapIncludeItemTypes).ToList();
-            excludeItemTypes = excludeItemTypes.SelectMany(MapIncludeItemTypes).ToList();
-
             var now = DateTime.UtcNow;
 
             var typeClause = itemValueTypes.Length == 1 ?
@@ -5415,7 +5409,6 @@ AND Type = @InternalPersonType)");
                 ItemIds = query.ItemIds,
                 TopParentIds = query.TopParentIds,
                 ParentId = query.ParentId,
-                IsPlayed = query.IsPlayed,
                 IsAiring = query.IsAiring,
                 IsMovie = query.IsMovie,
                 IsSports = query.IsSports,
@@ -5441,6 +5434,7 @@ AND Type = @InternalPersonType)");
 
             var outerQuery = new InternalItemsQuery(query.User)
             {
+                IsPlayed = query.IsPlayed,
                 IsFavorite = query.IsFavorite,
                 IsFavoriteOrLiked = query.IsFavoriteOrLiked,
                 IsLiked = query.IsLiked,
@@ -5469,7 +5463,9 @@ AND Type = @InternalPersonType)");
 
             commandText += whereText + " group by PresentationUniqueKey";
 
-            if (query.SimilarTo != null || !string.IsNullOrEmpty(query.SearchTerm))
+            if (query.OrderBy.Count != 0
+                || query.SimilarTo != null
+                || !string.IsNullOrEmpty(query.SearchTerm))
             {
                 commandText += GetOrderByText(query);
             }
@@ -5809,7 +5805,10 @@ AND Type = @InternalPersonType)");
                 var endIndex = Math.Min(people.Count, startIndex + Limit);
                 for (var i = startIndex; i < endIndex; i++)
                 {
-                    insertText.AppendFormat("(@ItemId, @Name{0}, @Role{0}, @PersonType{0}, @SortOrder{0}, @ListOrder{0}),", i.ToString(CultureInfo.InvariantCulture));
+                    insertText.AppendFormat(
+                        CultureInfo.InvariantCulture,
+                        "(@ItemId, @Name{0}, @Role{0}, @PersonType{0}, @SortOrder{0}, @ListOrder{0}),",
+                        i.ToString(CultureInfo.InvariantCulture));
                 }
 
                 // Remove last comma
@@ -6261,7 +6260,7 @@ AND Type = @InternalPersonType)");
             CheckDisposed();
             if (id == Guid.Empty)
             {
-                throw new ArgumentException(nameof(id));
+                throw new ArgumentException("Guid can't be empty.", nameof(id));
             }
 
             if (attachments == null)
diff --git a/Emby.Server.Implementations/Dto/DtoService.cs b/Emby.Server.Implementations/Dto/DtoService.cs
index 54b18a8c8..4ae35039a 100644
--- a/Emby.Server.Implementations/Dto/DtoService.cs
+++ b/Emby.Server.Implementations/Dto/DtoService.cs
@@ -665,10 +665,7 @@ namespace Emby.Server.Implementations.Dto
             var tag = GetImageCacheTag(item, image);
             if (!string.IsNullOrEmpty(image.BlurHash))
             {
-                if (dto.ImageBlurHashes == null)
-                {
-                    dto.ImageBlurHashes = new Dictionary<ImageType, Dictionary<string, string>>();
-                }
+                dto.ImageBlurHashes ??= new Dictionary<ImageType, Dictionary<string, string>>();
 
                 if (!dto.ImageBlurHashes.ContainsKey(image.Type))
                 {
@@ -702,10 +699,7 @@ namespace Emby.Server.Implementations.Dto
 
             if (hashes.Count > 0)
             {
-                if (dto.ImageBlurHashes == null)
-                {
-                    dto.ImageBlurHashes = new Dictionary<ImageType, Dictionary<string, string>>();
-                }
+                dto.ImageBlurHashes ??= new Dictionary<ImageType, Dictionary<string, string>>();
 
                 dto.ImageBlurHashes[imageType] = hashes;
             }
@@ -898,10 +892,7 @@ namespace Emby.Server.Implementations.Dto
                     dto.Taglines = new string[] { item.Tagline };
                 }
 
-                if (dto.Taglines == null)
-                {
-                    dto.Taglines = Array.Empty<string>();
-                }
+                dto.Taglines ??= Array.Empty<string>();
             }
 
             dto.Type = item.GetBaseItemKind();
diff --git a/Emby.Server.Implementations/Emby.Server.Implementations.csproj b/Emby.Server.Implementations/Emby.Server.Implementations.csproj
index be552ef93..8ea98f454 100644
--- a/Emby.Server.Implementations/Emby.Server.Implementations.csproj
+++ b/Emby.Server.Implementations/Emby.Server.Implementations.csproj
@@ -29,9 +29,9 @@
     <PackageReference Include="Microsoft.Extensions.Hosting.Abstractions" Version="5.0.0" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="5.0.3" />
     <PackageReference Include="Mono.Nat" Version="3.0.1" />
-    <PackageReference Include="prometheus-net.DotNetRuntime" Version="3.4.1" />
-    <PackageReference Include="sharpcompress" Version="0.28.1" />
-    <PackageReference Include="SQLitePCL.pretty.netstandard" Version="2.1.0" />
+    <PackageReference Include="prometheus-net.DotNetRuntime" Version="4.1.0" />
+    <PackageReference Include="sharpcompress" Version="0.28.2" />
+    <PackageReference Include="SQLitePCL.pretty.netstandard" Version="2.2.0" />
     <PackageReference Include="DotNet.Glob" Version="3.1.2" />
   </ItemGroup>
 
@@ -46,6 +46,8 @@
     <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>
   </PropertyGroup>
 
   <!-- Code Analyzers-->
@@ -55,10 +57,6 @@
     <PackageReference Include="SmartAnalyzers.MultithreadingAnalyzer" Version="1.1.31" PrivateAssets="All" />
   </ItemGroup>
 
-  <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
-    <CodeAnalysisRuleSet>../jellyfin.ruleset</CodeAnalysisRuleSet>
-  </PropertyGroup>
-
   <ItemGroup>
     <EmbeddedResource Include="Localization\iso6392.txt" />
     <EmbeddedResource Include="Localization\countries.json" />
diff --git a/Emby.Server.Implementations/HttpServer/Security/AuthService.cs b/Emby.Server.Implementations/HttpServer/Security/AuthService.cs
index 4a0fc8239..9afabf527 100644
--- a/Emby.Server.Implementations/HttpServer/Security/AuthService.cs
+++ b/Emby.Server.Implementations/HttpServer/Security/AuthService.cs
@@ -1,6 +1,5 @@
 #pragma warning disable CS1591
 
-using System;
 using Jellyfin.Data.Enums;
 using MediaBrowser.Controller.Authentication;
 using MediaBrowser.Controller.Net;
diff --git a/Emby.Server.Implementations/HttpServer/Security/SessionContext.cs b/Emby.Server.Implementations/HttpServer/Security/SessionContext.cs
index 1b295a92d..414ba7ca0 100644
--- a/Emby.Server.Implementations/HttpServer/Security/SessionContext.cs
+++ b/Emby.Server.Implementations/HttpServer/Security/SessionContext.cs
@@ -29,7 +29,7 @@ namespace Emby.Server.Implementations.HttpServer.Security
             var authorization = _authContext.GetAuthorizationInfo(requestContext);
 
             var user = authorization.User;
-            return _sessionManager.LogSessionActivity(authorization.Client, authorization.Version, authorization.DeviceId, authorization.Device, requestContext.GetNormalizedRemoteIp(), user);
+            return _sessionManager.LogSessionActivity(authorization.Client, authorization.Version, authorization.DeviceId, authorization.Device, requestContext.GetNormalizedRemoteIp().ToString(), user);
         }
 
         public Task<SessionInfo> GetSession(object requestContext)
diff --git a/Emby.Server.Implementations/HttpServer/WebSocketManager.cs b/Emby.Server.Implementations/HttpServer/WebSocketManager.cs
index d6cf6233e..1bee1ac31 100644
--- a/Emby.Server.Implementations/HttpServer/WebSocketManager.cs
+++ b/Emby.Server.Implementations/HttpServer/WebSocketManager.cs
@@ -14,15 +14,18 @@ namespace Emby.Server.Implementations.HttpServer
     public class WebSocketManager : IWebSocketManager
     {
         private readonly IWebSocketListener[] _webSocketListeners;
+        private readonly IAuthService _authService;
         private readonly ILogger<WebSocketManager> _logger;
         private readonly ILoggerFactory _loggerFactory;
 
         public WebSocketManager(
+            IAuthService authService,
             IEnumerable<IWebSocketListener> webSocketListeners,
             ILogger<WebSocketManager> logger,
             ILoggerFactory loggerFactory)
         {
             _webSocketListeners = webSocketListeners.ToArray();
+            _authService = authService;
             _logger = logger;
             _loggerFactory = loggerFactory;
         }
@@ -30,6 +33,7 @@ namespace Emby.Server.Implementations.HttpServer
         /// <inheritdoc />
         public async Task WebSocketRequestHandler(HttpContext context)
         {
+            _ = _authService.Authenticate(context.Request);
             try
             {
                 _logger.LogInformation("WS {IP} request", context.Connection.RemoteIpAddress);
diff --git a/Emby.Server.Implementations/IO/ManagedFileSystem.cs b/Emby.Server.Implementations/IO/ManagedFileSystem.cs
index c0e757543..27096ed33 100644
--- a/Emby.Server.Implementations/IO/ManagedFileSystem.cs
+++ b/Emby.Server.Implementations/IO/ManagedFileSystem.cs
@@ -2,11 +2,10 @@
 
 using System;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.Globalization;
 using System.IO;
 using System.Linq;
-using System.Text;
+using System.Runtime.InteropServices;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Model.IO;
 using MediaBrowser.Model.System;
@@ -24,7 +23,7 @@ namespace Emby.Server.Implementations.IO
 
         private readonly List<IShortcutHandler> _shortcutHandlers = new List<IShortcutHandler>();
         private readonly string _tempPath;
-        private readonly bool _isEnvironmentCaseInsensitive;
+        private static readonly bool _isEnvironmentCaseInsensitive = RuntimeInformation.IsOSPlatform(OSPlatform.Windows);
 
         public ManagedFileSystem(
             ILogger<ManagedFileSystem> logger,
@@ -32,8 +31,6 @@ namespace Emby.Server.Implementations.IO
         {
             Logger = logger;
             _tempPath = applicationPaths.TempDirectory;
-
-            _isEnvironmentCaseInsensitive = OperatingSystem.Id == OperatingSystemId.Windows;
         }
 
         public virtual void AddShortcutHandler(IShortcutHandler handler)
@@ -72,7 +69,7 @@ namespace Emby.Server.Implementations.IO
             }
 
             var extension = Path.GetExtension(filename);
-            var handler = _shortcutHandlers.FirstOrDefault(i => string.Equals(extension, i.Extension, StringComparison.OrdinalIgnoreCase));
+            var handler = _shortcutHandlers.Find(i => string.Equals(extension, i.Extension, StringComparison.OrdinalIgnoreCase));
 
             return handler?.Resolve(filename);
         }
@@ -249,13 +246,20 @@ namespace Emby.Server.Implementations.IO
                     // Issue #2354 get the size of files behind symbolic links
                     if (fileInfo.Attributes.HasFlag(FileAttributes.ReparsePoint))
                     {
-                        using (Stream thisFileStream = File.OpenRead(fileInfo.FullName))
+                        try
                         {
-                            result.Length = thisFileStream.Length;
+                            using (Stream thisFileStream = File.OpenRead(fileInfo.FullName))
+                            {
+                                result.Length = thisFileStream.Length;
+                            }
+                        }
+                        catch (FileNotFoundException ex)
+                        {
+                            // Dangling symlinks cannot be detected before opening the file unfortunately...
+                            Logger.LogError(ex, "Reading the file size of the symlink at {Path} failed. Marking the file as not existing.", fileInfo.FullName);
+                            result.Exists = false;
                         }
                     }
-
-                    result.DirectoryName = fileInfo.DirectoryName;
                 }
 
                 result.CreationTimeUtc = GetCreationTimeUtc(info);
@@ -294,16 +298,37 @@ namespace Emby.Server.Implementations.IO
         /// <param name="filename">The filename.</param>
         /// <returns>System.String.</returns>
         /// <exception cref="ArgumentNullException">The filename is null.</exception>
-        public virtual string GetValidFilename(string filename)
+        public string GetValidFilename(string filename)
         {
-            var builder = new StringBuilder(filename);
-
-            foreach (var c in Path.GetInvalidFileNameChars())
+            var invalid = Path.GetInvalidFileNameChars();
+            var first = filename.IndexOfAny(invalid);
+            if (first == -1)
             {
-                builder = builder.Replace(c, ' ');
+                // Fast path for clean strings
+                return filename;
             }
 
-            return builder.ToString();
+            return string.Create(
+                filename.Length,
+                (filename, invalid, first),
+                (chars, state) =>
+                {
+                    state.filename.AsSpan().CopyTo(chars);
+
+                    chars[state.first++] = ' ';
+
+                    var len = chars.Length;
+                    foreach (var c in state.invalid)
+                    {
+                        for (int i = state.first; i < len; i++)
+                        {
+                            if (chars[i] == c)
+                            {
+                                chars[i] = ' ';
+                            }
+                        }
+                    }
+                });
         }
 
         /// <summary>
@@ -487,26 +512,9 @@ namespace Emby.Server.Implementations.IO
                 throw new ArgumentNullException(nameof(path));
             }
 
-            var separatorChar = Path.DirectorySeparatorChar;
-
-            return path.IndexOf(parentPath.TrimEnd(separatorChar) + separatorChar, StringComparison.OrdinalIgnoreCase) != -1;
-        }
-
-        public virtual bool IsRootPath(string path)
-        {
-            if (string.IsNullOrEmpty(path))
-            {
-                throw new ArgumentNullException(nameof(path));
-            }
-
-            var parent = Path.GetDirectoryName(path);
-
-            if (!string.IsNullOrEmpty(parent))
-            {
-                return false;
-            }
-
-            return true;
+            return path.Contains(
+                Path.TrimEndingDirectorySeparator(parentPath) + Path.DirectorySeparatorChar,
+                _isEnvironmentCaseInsensitive ? StringComparison.OrdinalIgnoreCase : StringComparison.Ordinal);
         }
 
         public virtual string NormalizePath(string path)
@@ -521,7 +529,7 @@ namespace Emby.Server.Implementations.IO
                 return path;
             }
 
-            return path.TrimEnd(Path.DirectorySeparatorChar);
+            return Path.TrimEndingDirectorySeparator(path);
         }
 
         public virtual bool AreEqual(string path1, string path2)
@@ -536,7 +544,10 @@ namespace Emby.Server.Implementations.IO
                 return false;
             }
 
-            return string.Equals(NormalizePath(path1), NormalizePath(path2), StringComparison.OrdinalIgnoreCase);
+            return string.Equals(
+                NormalizePath(path1),
+                NormalizePath(path2),
+                _isEnvironmentCaseInsensitive ? StringComparison.OrdinalIgnoreCase : StringComparison.Ordinal);
         }
 
         public virtual string GetFileNameWithoutExtension(FileSystemMetadata info)
@@ -689,20 +700,5 @@ namespace Emby.Server.Implementations.IO
                 AttributesToSkip = 0
             };
         }
-
-        private static void RunProcess(string path, string args, string workingDirectory)
-        {
-            using (var process = Process.Start(new ProcessStartInfo
-            {
-                Arguments = args,
-                FileName = path,
-                CreateNoWindow = true,
-                WorkingDirectory = workingDirectory,
-                WindowStyle = ProcessWindowStyle.Normal
-            }))
-            {
-                process.WaitForExit();
-            }
-        }
     }
 }
diff --git a/Emby.Server.Implementations/IStartupOptions.cs b/Emby.Server.Implementations/IStartupOptions.cs
index 0b823ff06..f719dc5f8 100644
--- a/Emby.Server.Implementations/IStartupOptions.cs
+++ b/Emby.Server.Implementations/IStartupOptions.cs
@@ -1,6 +1,5 @@
 #pragma warning disable CS1591
 #nullable enable
-using System;
 
 namespace Emby.Server.Implementations
 {
diff --git a/Emby.Server.Implementations/Images/ArtistImageProvider.cs b/Emby.Server.Implementations/Images/ArtistImageProvider.cs
index afa4ec7b1..e96b64595 100644
--- a/Emby.Server.Implementations/Images/ArtistImageProvider.cs
+++ b/Emby.Server.Implementations/Images/ArtistImageProvider.cs
@@ -2,20 +2,12 @@
 
 using System;
 using System.Collections.Generic;
-using System.Linq;
-using Emby.Server.Implementations.Images;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Controller.Drawing;
-using MediaBrowser.Controller.Dto;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Entities.Audio;
-using MediaBrowser.Controller.Entities.Movies;
-using MediaBrowser.Controller.Entities.TV;
-using MediaBrowser.Controller.Playlists;
 using MediaBrowser.Controller.Providers;
-using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.IO;
-using MediaBrowser.Model.Querying;
 
 namespace Emby.Server.Implementations.Images
 {
diff --git a/Emby.Server.Implementations/Images/BaseDynamicImageProvider.cs b/Emby.Server.Implementations/Images/BaseDynamicImageProvider.cs
index 5f7e51858..6fa3c1c61 100644
--- a/Emby.Server.Implementations/Images/BaseDynamicImageProvider.cs
+++ b/Emby.Server.Implementations/Images/BaseDynamicImageProvider.cs
@@ -191,7 +191,7 @@ 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/DynamicImageProvider.cs b/Emby.Server.Implementations/Images/DynamicImageProvider.cs
index 462eb03a8..50c531482 100644
--- a/Emby.Server.Implementations/Images/DynamicImageProvider.cs
+++ b/Emby.Server.Implementations/Images/DynamicImageProvider.cs
@@ -4,7 +4,6 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
-using Emby.Server.Implementations.Images;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Controller.Drawing;
 using MediaBrowser.Controller.Dto;
diff --git a/Emby.Server.Implementations/Images/PlaylistImageProvider.cs b/Emby.Server.Implementations/Images/PlaylistImageProvider.cs
index 0ce1b91e8..a4c106e87 100644
--- a/Emby.Server.Implementations/Images/PlaylistImageProvider.cs
+++ b/Emby.Server.Implementations/Images/PlaylistImageProvider.cs
@@ -29,9 +29,7 @@ namespace Emby.Server.Implementations.Images
                 {
                     var subItem = i.Item2;
 
-                    var episode = subItem as Episode;
-
-                    if (episode != null)
+                    if (subItem is Episode episode)
                     {
                         var series = episode.Series;
                         if (series != null && series.HasImage(ImageType.Primary))
diff --git a/Emby.Server.Implementations/Library/LibraryManager.cs b/Emby.Server.Implementations/Library/LibraryManager.cs
index c18838caf..4d207471a 100644
--- a/Emby.Server.Implementations/Library/LibraryManager.cs
+++ b/Emby.Server.Implementations/Library/LibraryManager.cs
@@ -48,6 +48,7 @@ using MediaBrowser.Providers.MediaInfo;
 using Microsoft.Extensions.Caching.Memory;
 using Microsoft.Extensions.Logging;
 using Episode = MediaBrowser.Controller.Entities.TV.Episode;
+using EpisodeInfo = Emby.Naming.TV.EpisodeInfo;
 using Genre = MediaBrowser.Controller.Entities.Genre;
 using Person = MediaBrowser.Controller.Entities.Person;
 using VideoResolver = Emby.Naming.Video.VideoResolver;
@@ -175,10 +176,7 @@ namespace Emby.Server.Implementations.Library
                 {
                     lock (_rootFolderSyncLock)
                     {
-                        if (_rootFolder == null)
-                        {
-                            _rootFolder = CreateRootFolder();
-                        }
+                        _rootFolder ??= CreateRootFolder();
                     }
                 }
 
@@ -196,13 +194,13 @@ namespace Emby.Server.Implementations.Library
         /// Gets or sets the postscan tasks.
         /// </summary>
         /// <value>The postscan tasks.</value>
-        private ILibraryPostScanTask[] PostscanTasks { get; set; }
+        private ILibraryPostScanTask[] PostscanTasks { get; set; } = Array.Empty<ILibraryPostScanTask>();
 
         /// <summary>
         /// Gets or sets the intro providers.
         /// </summary>
         /// <value>The intro providers.</value>
-        private IIntroProvider[] IntroProviders { get; set; }
+        private IIntroProvider[] IntroProviders { get; set; } = Array.Empty<IIntroProvider>();
 
         /// <summary>
         /// Gets or sets the list of entity resolution ignore rules.
@@ -214,15 +212,15 @@ namespace Emby.Server.Implementations.Library
         /// Gets or sets the list of currently registered entity resolvers.
         /// </summary>
         /// <value>The entity resolvers enumerable.</value>
-        private IItemResolver[] EntityResolvers { get; set; }
+        private IItemResolver[] EntityResolvers { get; set; } = Array.Empty<IItemResolver>();
 
-        private IMultiItemResolver[] MultiItemResolvers { get; set; }
+        private IMultiItemResolver[] MultiItemResolvers { get; set; } = Array.Empty<IMultiItemResolver>();
 
         /// <summary>
         /// Gets or sets the comparers.
         /// </summary>
         /// <value>The comparers.</value>
-        private IBaseItemComparer[] Comparers { get; set; }
+        private IBaseItemComparer[] Comparers { get; set; } = Array.Empty<IBaseItemComparer>();
 
         public bool IsScanRunning { get; private set; }
 
@@ -558,7 +556,6 @@ namespace Emby.Server.Implementations.Library
             var args = new ItemResolveArgs(_configurationManager.ApplicationPaths, directoryService)
             {
                 Parent = parent,
-                Path = fullPath,
                 FileInfo = fileInfo,
                 CollectionType = collectionType,
                 LibraryOptions = libraryOptions
@@ -684,7 +681,7 @@ namespace Emby.Server.Implementations.Library
 
                         foreach (var item in items)
                         {
-                            ResolverHelper.SetInitialItemValues(item, parent, _fileSystem, this, directoryService);
+                            ResolverHelper.SetInitialItemValues(item, parent, this, directoryService);
                         }
 
                         items.AddRange(ResolveFileList(result.ExtraFiles, directoryService, parent, collectionType, resolvers, libraryOptions));
@@ -1163,7 +1160,7 @@ namespace Emby.Server.Implementations.Library
                 progress.Report(percent * 100);
             }
 
-            _itemRepository.UpdateInheritedValues(cancellationToken);
+            _itemRepository.UpdateInheritedValues();
 
             progress.Report(100);
         }
@@ -1914,12 +1911,17 @@ namespace Emby.Server.Implementations.Library
                     }
                     catch (ArgumentException)
                     {
-                        _logger.LogWarning("Cannot get image index for {0}", img.Path);
+                        _logger.LogWarning("Cannot get image index for {ImagePath}", img.Path);
+                        continue;
+                    }
+                    catch (Exception ex) when (ex is InvalidOperationException || ex is IOException)
+                    {
+                        _logger.LogWarning(ex, "Cannot fetch image from {ImagePath}", img.Path);
                         continue;
                     }
-                    catch (InvalidOperationException)
+                    catch (HttpRequestException ex)
                     {
-                        _logger.LogWarning("Cannot fetch image from {0}", img.Path);
+                        _logger.LogWarning(ex, "Cannot fetch image from {ImagePath}. Http status code: {HttpStatus}", img.Path, ex.StatusCode);
                         continue;
                     }
                 }
@@ -1932,7 +1934,7 @@ namespace Emby.Server.Implementations.Library
                 }
                 catch (Exception ex)
                 {
-                    _logger.LogError(ex, "Cannot get image dimensions for {0}", image.Path);
+                    _logger.LogError(ex, "Cannot get image dimensions for {ImagePath}", image.Path);
                     image.Width = 0;
                     image.Height = 0;
                     continue;
@@ -1944,7 +1946,7 @@ namespace Emby.Server.Implementations.Library
                 }
                 catch (Exception ex)
                 {
-                    _logger.LogError(ex, "Cannot compute blurhash for {0}", image.Path);
+                    _logger.LogError(ex, "Cannot compute blurhash for {ImagePath}", image.Path);
                     image.BlurHash = string.Empty;
                 }
 
@@ -1954,7 +1956,7 @@ namespace Emby.Server.Implementations.Library
                 }
                 catch (Exception ex)
                 {
-                    _logger.LogError(ex, "Cannot update DateModified for {0}", image.Path);
+                    _logger.LogError(ex, "Cannot update DateModified for {ImagePath}", image.Path);
                 }
             }
 
@@ -2512,7 +2514,7 @@ namespace Emby.Server.Implementations.Library
         public bool FillMissingEpisodeNumbersFromPath(Episode episode, bool forceRefresh)
         {
             var series = episode.Series;
-            bool? isAbsoluteNaming = series == null ? false : string.Equals(series.DisplayOrder, "absolute", StringComparison.OrdinalIgnoreCase);
+            bool? isAbsoluteNaming = series != null && string.Equals(series.DisplayOrder, "absolute", StringComparison.OrdinalIgnoreCase);
             if (!isAbsoluteNaming.Value)
             {
                 // In other words, no filter applied
@@ -2524,9 +2526,23 @@ namespace Emby.Server.Implementations.Library
             var isFolder = episode.VideoType == VideoType.BluRay || episode.VideoType == VideoType.Dvd;
 
             // TODO nullable - what are we trying to do there with empty episodeInfo?
-            var episodeInfo = episode.IsFileProtocol
-                ? resolver.Resolve(episode.Path, isFolder, null, null, isAbsoluteNaming) ?? new Naming.TV.EpisodeInfo(episode.Path)
-                : new Naming.TV.EpisodeInfo(episode.Path);
+            EpisodeInfo episodeInfo = null;
+            if (episode.IsFileProtocol)
+            {
+                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))
+                {
+                    episodeInfo = resolver.Resolve(episode.Parent.Path, true, null, null, isAbsoluteNaming);
+                    if (episodeInfo != null)
+                    {
+                        // add the container
+                        episodeInfo.Container = Path.GetExtension(episode.Path)?.TrimStart('.');
+                    }
+                }
+            }
+
+            episodeInfo ??= new EpisodeInfo(episode.Path);
 
             try
             {
@@ -2876,12 +2892,20 @@ namespace Emby.Server.Implementations.Library
 
         public void UpdatePeople(BaseItem item, List<PersonInfo> people)
         {
+            UpdatePeopleAsync(item, people, CancellationToken.None).GetAwaiter().GetResult();
+        }
+
+        /// <inheritdoc />
+        public async Task UpdatePeopleAsync(BaseItem item, List<PersonInfo> people, CancellationToken cancellationToken)
+        {
             if (!item.SupportsPeople)
             {
                 return;
             }
 
             _itemRepository.UpdatePeople(item.Id, people);
+
+            await SavePeopleMetadataAsync(people, cancellationToken).ConfigureAwait(false);
         }
 
         public async Task<ItemImageInfo> ConvertImageToLocal(BaseItem item, ItemImageInfo image, int imageIndex)
@@ -2985,6 +3009,58 @@ namespace Emby.Server.Implementations.Library
             }
         }
 
+        private async Task SavePeopleMetadataAsync(IEnumerable<PersonInfo> people, CancellationToken cancellationToken)
+        {
+            var personsToSave = new List<BaseItem>();
+
+            foreach (var person in people)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+
+                var itemUpdateType = ItemUpdateType.MetadataDownload;
+                var saveEntity = false;
+                var personEntity = GetPerson(person.Name);
+
+                // if PresentationUniqueKey is empty it's likely a new item.
+                if (string.IsNullOrEmpty(personEntity.PresentationUniqueKey))
+                {
+                    personEntity.PresentationUniqueKey = personEntity.CreatePresentationUniqueKey();
+                    saveEntity = true;
+                }
+
+                foreach (var id in person.ProviderIds)
+                {
+                    if (!string.Equals(personEntity.GetProviderId(id.Key), id.Value, StringComparison.OrdinalIgnoreCase))
+                    {
+                        personEntity.SetProviderId(id.Key, id.Value);
+                        saveEntity = true;
+                    }
+                }
+
+                if (!string.IsNullOrWhiteSpace(person.ImageUrl) && !personEntity.HasImage(ImageType.Primary))
+                {
+                    personEntity.SetImage(
+                        new ItemImageInfo
+                        {
+                            Path = person.ImageUrl,
+                            Type = ImageType.Primary
+                        },
+                        0);
+
+                    saveEntity = true;
+                    itemUpdateType = ItemUpdateType.ImageUpdate;
+                }
+
+                if (saveEntity)
+                {
+                    personsToSave.Add(personEntity);
+                    await RunMetadataSavers(personEntity, itemUpdateType).ConfigureAwait(false);
+                }
+            }
+
+            CreateItems(personsToSave, null, CancellationToken.None);
+        }
+
         private void StartScanInBackground()
         {
             Task.Run(() =>
diff --git a/Emby.Server.Implementations/Library/MediaSourceManager.cs b/Emby.Server.Implementations/Library/MediaSourceManager.cs
index b2943020c..85d6d3043 100644
--- a/Emby.Server.Implementations/Library/MediaSourceManager.cs
+++ b/Emby.Server.Implementations/Library/MediaSourceManager.cs
@@ -199,10 +199,15 @@ namespace Emby.Server.Implementations.Library
                     {
                         source.SupportsTranscoding = user.HasPermission(PermissionKind.EnableAudioPlaybackTranscoding);
                     }
+                    else if (string.Equals(item.MediaType, MediaType.Video, StringComparison.OrdinalIgnoreCase))
+                    {
+                        source.SupportsTranscoding = user.HasPermission(PermissionKind.EnableVideoPlaybackTranscoding);
+                        source.SupportsDirectStream = user.HasPermission(PermissionKind.EnablePlaybackRemuxing);
+                    }
                 }
             }
 
-            return SortMediaSources(list).Where(i => i.Type != MediaSourceType.Placeholder).ToList();
+            return SortMediaSources(list);
         }
 
         public MediaProtocol GetPathProtocol(string path)
@@ -436,7 +441,7 @@ namespace Emby.Server.Implementations.Library
             }
         }
 
-        private static IEnumerable<MediaSourceInfo> SortMediaSources(IEnumerable<MediaSourceInfo> sources)
+        private static List<MediaSourceInfo> SortMediaSources(IEnumerable<MediaSourceInfo> sources)
         {
             return sources.OrderBy(i =>
             {
@@ -451,8 +456,9 @@ namespace Emby.Server.Implementations.Library
             {
                 var stream = i.VideoStream;
 
-                return stream == null || stream.Width == null ? 0 : stream.Width.Value;
+                return stream?.Width ?? 0;
             })
+            .Where(i => i.Type != MediaSourceType.Placeholder)
             .ToList();
         }
 
@@ -584,18 +590,9 @@ namespace Emby.Server.Implementations.Library
 
         public Task<IDirectStreamProvider> GetDirectStreamProviderByUniqueId(string uniqueId, CancellationToken cancellationToken)
         {
-            var info = _openStreams.Values.FirstOrDefault(i =>
-            {
-                var liveStream = i as ILiveStream;
-                if (liveStream != null)
-                {
-                    return string.Equals(liveStream.UniqueId, uniqueId, StringComparison.OrdinalIgnoreCase);
-                }
-
-                return false;
-            });
+            var info = _openStreams.FirstOrDefault(i => i.Value != null && string.Equals(i.Value.UniqueId, uniqueId, StringComparison.OrdinalIgnoreCase));
 
-            return Task.FromResult(info as IDirectStreamProvider);
+            return Task.FromResult(info.Value as IDirectStreamProvider);
         }
 
         public async Task<LiveStreamResponse> OpenLiveStream(LiveStreamRequest request, CancellationToken cancellationToken)
diff --git a/Emby.Server.Implementations/Library/MusicManager.cs b/Emby.Server.Implementations/Library/MusicManager.cs
index 658c53f28..f8bae4fd1 100644
--- a/Emby.Server.Implementations/Library/MusicManager.cs
+++ b/Emby.Server.Implementations/Library/MusicManager.cs
@@ -100,8 +100,7 @@ namespace Emby.Server.Implementations.Library
 
         public List<BaseItem> GetInstantMixFromItem(BaseItem item, User user, DtoOptions dtoOptions)
         {
-            var genre = item as MusicGenre;
-            if (genre != null)
+            if (item is MusicGenre genre)
             {
                 return GetInstantMixFromGenreIds(new[] { item.Id }, user, dtoOptions);
             }
diff --git a/Emby.Server.Implementations/Library/PathExtensions.cs b/Emby.Server.Implementations/Library/PathExtensions.cs
index 57d0c26b9..0de4edb7e 100644
--- a/Emby.Server.Implementations/Library/PathExtensions.cs
+++ b/Emby.Server.Implementations/Library/PathExtensions.cs
@@ -2,8 +2,7 @@
 
 using System;
 using System.Diagnostics.CodeAnalysis;
-using System.IO;
-using System.Text.RegularExpressions;
+using MediaBrowser.Common.Providers;
 
 namespace Emby.Server.Implementations.Library
 {
@@ -43,8 +42,8 @@ namespace Emby.Server.Implementations.Library
             // for imdbid we also accept pattern matching
             if (string.Equals(attribute, "imdbid", StringComparison.OrdinalIgnoreCase))
             {
-                var m = Regex.Match(str, "tt([0-9]{7,8})", RegexOptions.IgnoreCase);
-                return m.Success ? m.Value : null;
+                var match = ProviderIdParsers.TryFindImdbId(str, out var imdbId);
+                return match ? imdbId.ToString() : null;
             }
 
             return null;
@@ -97,8 +96,14 @@ namespace Emby.Server.Implementations.Library
             // We have to ensure that the sub path ends with a directory separator otherwise we'll get weird results
             // when the sub path matches a similar but in-complete subpath
             var oldSubPathEndsWithSeparator = subPath[^1] == newDirectorySeparatorChar;
-            if (!path.StartsWith(subPath, StringComparison.OrdinalIgnoreCase)
-                || (!oldSubPathEndsWithSeparator && path[subPath.Length] != newDirectorySeparatorChar))
+            if (!path.StartsWith(subPath, StringComparison.OrdinalIgnoreCase))
+            {
+                return false;
+            }
+
+            if (path.Length > subPath.Length
+                && !oldSubPathEndsWithSeparator
+                && path[subPath.Length] != newDirectorySeparatorChar)
             {
                 return false;
             }
diff --git a/Emby.Server.Implementations/Library/ResolverHelper.cs b/Emby.Server.Implementations/Library/ResolverHelper.cs
index 4e4cac75b..1d9b44874 100644
--- a/Emby.Server.Implementations/Library/ResolverHelper.cs
+++ b/Emby.Server.Implementations/Library/ResolverHelper.cs
@@ -1,3 +1,5 @@
+#nullable enable
+
 using System;
 using System.IO;
 using System.Linq;
@@ -18,11 +20,10 @@ namespace Emby.Server.Implementations.Library
         /// </summary>
         /// <param name="item">The item.</param>
         /// <param name="parent">The parent.</param>
-        /// <param name="fileSystem">The file system.</param>
         /// <param name="libraryManager">The library manager.</param>
         /// <param name="directoryService">The directory service.</param>
-        /// <exception cref="ArgumentException">Item must have a path</exception>
-        public static void SetInitialItemValues(BaseItem item, Folder parent, IFileSystem fileSystem, ILibraryManager libraryManager, IDirectoryService directoryService)
+        /// <exception cref="ArgumentException">Item must have a path.</exception>
+        public static void SetInitialItemValues(BaseItem item, Folder? parent, ILibraryManager libraryManager, IDirectoryService directoryService)
         {
             // This version of the below method has no ItemResolveArgs, so we have to require the path already being set
             if (string.IsNullOrEmpty(item.Path))
@@ -43,9 +44,14 @@ namespace Emby.Server.Implementations.Library
 
             // Make sure DateCreated and DateModified have values
             var fileInfo = directoryService.GetFile(item.Path);
-            SetDateCreated(item, fileSystem, fileInfo);
+            if (fileInfo == null)
+            {
+                throw new FileNotFoundException("Can't find item path.", item.Path);
+            }
+
+            SetDateCreated(item, fileInfo);
 
-            EnsureName(item, item.Path, fileInfo);
+            EnsureName(item, fileInfo);
         }
 
         /// <summary>
@@ -72,9 +78,9 @@ namespace Emby.Server.Implementations.Library
             item.Id = libraryManager.GetNewItemId(item.Path, item.GetType());
 
             // Make sure the item has a name
-            EnsureName(item, item.Path, args.FileInfo);
+            EnsureName(item, args.FileInfo);
 
-            item.IsLocked = item.Path.IndexOf("[dontfetchmeta]", StringComparison.OrdinalIgnoreCase) != -1 ||
+            item.IsLocked = item.Path.Contains("[dontfetchmeta]", StringComparison.OrdinalIgnoreCase) ||
                 item.GetParents().Any(i => i.IsLocked);
 
             // Make sure DateCreated and DateModified have values
@@ -84,29 +90,16 @@ namespace Emby.Server.Implementations.Library
         /// <summary>
         /// Ensures the name.
         /// </summary>
-        private static void EnsureName(BaseItem item, string fullPath, FileSystemMetadata fileInfo)
+        private static void EnsureName(BaseItem item, FileSystemMetadata fileInfo)
         {
             // If the subclass didn't supply a name, add it here
-            if (string.IsNullOrEmpty(item.Name) && !string.IsNullOrEmpty(fullPath))
+            if (string.IsNullOrEmpty(item.Name) && !string.IsNullOrEmpty(item.Path))
             {
-                var fileName = fileInfo == null ? Path.GetFileName(fullPath) : fileInfo.Name;
-
-                item.Name = GetDisplayName(fileName, fileInfo != null && fileInfo.IsDirectory);
+                item.Name = fileInfo.IsDirectory ? fileInfo.Name : Path.GetFileNameWithoutExtension(fileInfo.Name);
             }
         }
 
         /// <summary>
-        /// Gets the display name.
-        /// </summary>
-        /// <param name="path">The path.</param>
-        /// <param name="isDirectory">if set to <c>true</c> [is directory].</param>
-        /// <returns>System.String.</returns>
-        private static string GetDisplayName(string path, bool isDirectory)
-        {
-            return isDirectory ? Path.GetFileName(path) : Path.GetFileNameWithoutExtension(path);
-        }
-
-        /// <summary>
         /// Ensures DateCreated and DateModified have values.
         /// </summary>
         /// <param name="fileSystem">The file system.</param>
@@ -114,21 +107,6 @@ namespace Emby.Server.Implementations.Library
         /// <param name="args">The args.</param>
         private static void EnsureDates(IFileSystem fileSystem, BaseItem item, ItemResolveArgs args)
         {
-            if (fileSystem == null)
-            {
-                throw new ArgumentNullException(nameof(fileSystem));
-            }
-
-            if (item == null)
-            {
-                throw new ArgumentNullException(nameof(item));
-            }
-
-            if (args == null)
-            {
-                throw new ArgumentNullException(nameof(args));
-            }
-
             // See if a different path came out of the resolver than what went in
             if (!fileSystem.AreEqual(args.Path, item.Path))
             {
@@ -136,7 +114,7 @@ namespace Emby.Server.Implementations.Library
 
                 if (childData != null)
                 {
-                    SetDateCreated(item, fileSystem, childData);
+                    SetDateCreated(item, childData);
                 }
                 else
                 {
@@ -144,17 +122,17 @@ namespace Emby.Server.Implementations.Library
 
                     if (fileData.Exists)
                     {
-                        SetDateCreated(item, fileSystem, fileData);
+                        SetDateCreated(item, fileData);
                     }
                 }
             }
             else
             {
-                SetDateCreated(item, fileSystem, args.FileInfo);
+                SetDateCreated(item, args.FileInfo);
             }
         }
 
-        private static void SetDateCreated(BaseItem item, IFileSystem fileSystem, FileSystemMetadata info)
+        private static void SetDateCreated(BaseItem item, FileSystemMetadata? info)
         {
             var config = BaseItem.ConfigurationManager.GetMetadataConfiguration();
 
@@ -163,7 +141,7 @@ namespace Emby.Server.Implementations.Library
                 // directoryService.getFile may return null
                 if (info != null)
                 {
-                    var dateCreated = fileSystem.GetCreationTimeUtc(info);
+                    var dateCreated = info.CreationTimeUtc;
 
                     if (dateCreated.Equals(DateTime.MinValue))
                     {
diff --git a/Emby.Server.Implementations/Library/Resolvers/Audio/AudioResolver.cs b/Emby.Server.Implementations/Library/Resolvers/Audio/AudioResolver.cs
index 90b6a8a7d..4ad84579d 100644
--- a/Emby.Server.Implementations/Library/Resolvers/Audio/AudioResolver.cs
+++ b/Emby.Server.Implementations/Library/Resolvers/Audio/AudioResolver.cs
@@ -201,6 +201,11 @@ namespace Emby.Server.Implementations.Library.Resolvers.Audio
                     continue;
                 }
 
+                if (resolvedItem.Files.Count == 0)
+                {
+                    continue;
+                }
+
                 var firstMedia = resolvedItem.Files[0];
 
                 var libraryItem = new T
diff --git a/Emby.Server.Implementations/Library/Resolvers/ItemResolver.cs b/Emby.Server.Implementations/Library/Resolvers/ItemResolver.cs
index 9ca76095b..92fb2a753 100644
--- a/Emby.Server.Implementations/Library/Resolvers/ItemResolver.cs
+++ b/Emby.Server.Implementations/Library/Resolvers/ItemResolver.cs
@@ -12,6 +12,12 @@ namespace Emby.Server.Implementations.Library.Resolvers
         where T : BaseItem, new()
     {
         /// <summary>
+        /// Gets the priority.
+        /// </summary>
+        /// <value>The priority.</value>
+        public virtual ResolverPriority Priority => ResolverPriority.First;
+
+        /// <summary>
         /// Resolves the specified args.
         /// </summary>
         /// <param name="args">The args.</param>
@@ -22,12 +28,6 @@ namespace Emby.Server.Implementations.Library.Resolvers
         }
 
         /// <summary>
-        /// Gets the priority.
-        /// </summary>
-        /// <value>The priority.</value>
-        public virtual ResolverPriority Priority => ResolverPriority.First;
-
-        /// <summary>
         /// Sets initial values on the newly resolved item.
         /// </summary>
         /// <param name="item">The item.</param>
diff --git a/Emby.Server.Implementations/Library/Resolvers/Movies/MovieResolver.cs b/Emby.Server.Implementations/Library/Resolvers/Movies/MovieResolver.cs
index 714bc3a84..16bf4dc4a 100644
--- a/Emby.Server.Implementations/Library/Resolvers/Movies/MovieResolver.cs
+++ b/Emby.Server.Implementations/Library/Resolvers/Movies/MovieResolver.cs
@@ -376,7 +376,7 @@ namespace Emby.Server.Implementations.Library.Resolvers.Movies
         {
             var multiDiscFolders = new List<FileSystemMetadata>();
 
-            var libraryOptions = args.GetLibraryOptions();
+            var libraryOptions = args.LibraryOptions;
             var supportPhotos = string.Equals(collectionType, CollectionType.HomeVideos, StringComparison.OrdinalIgnoreCase) && libraryOptions.EnablePhotos;
             var photos = new List<FileSystemMetadata>();
 
diff --git a/Emby.Server.Implementations/Library/Resolvers/PhotoAlbumResolver.cs b/Emby.Server.Implementations/Library/Resolvers/PhotoAlbumResolver.cs
index 3ac837057..204c8a62e 100644
--- a/Emby.Server.Implementations/Library/Resolvers/PhotoAlbumResolver.cs
+++ b/Emby.Server.Implementations/Library/Resolvers/PhotoAlbumResolver.cs
@@ -13,7 +13,7 @@ namespace Emby.Server.Implementations.Library.Resolvers
     public class PhotoAlbumResolver : FolderResolver<PhotoAlbum>
     {
         private readonly IImageProcessor _imageProcessor;
-        private ILibraryManager _libraryManager;
+        private readonly ILibraryManager _libraryManager;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="PhotoAlbumResolver"/> class.
@@ -26,6 +26,9 @@ namespace Emby.Server.Implementations.Library.Resolvers
             _libraryManager = libraryManager;
         }
 
+        /// <inheritdoc />
+        public override ResolverPriority Priority => ResolverPriority.Second;
+
         /// <summary>
         /// Resolves the specified args.
         /// </summary>
@@ -39,8 +42,8 @@ namespace Emby.Server.Implementations.Library.Resolvers
                 // Must be an image file within a photo collection
                 var collectionType = args.GetCollectionType();
 
-                if (string.Equals(collectionType, CollectionType.Photos, StringComparison.OrdinalIgnoreCase) ||
-                    (string.Equals(collectionType, CollectionType.HomeVideos, StringComparison.OrdinalIgnoreCase) && args.GetLibraryOptions().EnablePhotos))
+                if (string.Equals(collectionType, CollectionType.Photos, StringComparison.OrdinalIgnoreCase)
+                    || (string.Equals(collectionType, CollectionType.HomeVideos, StringComparison.OrdinalIgnoreCase) && args.LibraryOptions.EnablePhotos))
                 {
                     if (HasPhotos(args))
                     {
@@ -84,8 +87,5 @@ namespace Emby.Server.Implementations.Library.Resolvers
 
             return false;
         }
-
-        /// <inheritdoc />
-        public override ResolverPriority Priority => ResolverPriority.Second;
     }
 }
diff --git a/Emby.Server.Implementations/Library/Resolvers/PhotoResolver.cs b/Emby.Server.Implementations/Library/Resolvers/PhotoResolver.cs
index bcfcee9c6..3cb6542cf 100644
--- a/Emby.Server.Implementations/Library/Resolvers/PhotoResolver.cs
+++ b/Emby.Server.Implementations/Library/Resolvers/PhotoResolver.cs
@@ -47,7 +47,7 @@ namespace Emby.Server.Implementations.Library.Resolvers
                 var collectionType = args.CollectionType;
 
                 if (string.Equals(collectionType, CollectionType.Photos, StringComparison.OrdinalIgnoreCase)
-                    || (string.Equals(collectionType, CollectionType.HomeVideos, StringComparison.OrdinalIgnoreCase) && args.GetLibraryOptions().EnablePhotos))
+                    || (string.Equals(collectionType, CollectionType.HomeVideos, StringComparison.OrdinalIgnoreCase) && args.LibraryOptions.EnablePhotos))
                 {
                     if (IsImageFile(args.Path, _imageProcessor))
                     {
diff --git a/Emby.Server.Implementations/Library/Resolvers/PlaylistResolver.cs b/Emby.Server.Implementations/Library/Resolvers/PlaylistResolver.cs
index c76d41e5c..5f051321f 100644
--- a/Emby.Server.Implementations/Library/Resolvers/PlaylistResolver.cs
+++ b/Emby.Server.Implementations/Library/Resolvers/PlaylistResolver.cs
@@ -63,7 +63,8 @@ namespace Emby.Server.Implementations.Library.Resolvers
                     {
                         Path = args.Path,
                         Name = Path.GetFileNameWithoutExtension(args.Path),
-                        IsInMixedFolder = true
+                        IsInMixedFolder = true,
+                        PlaylistMediaType = MediaType.Audio
                     };
                 }
             }
diff --git a/Emby.Server.Implementations/Library/Resolvers/TV/EpisodeResolver.cs b/Emby.Server.Implementations/Library/Resolvers/TV/EpisodeResolver.cs
index 9b4cd7a3d..6f29bc649 100644
--- a/Emby.Server.Implementations/Library/Resolvers/TV/EpisodeResolver.cs
+++ b/Emby.Server.Implementations/Library/Resolvers/TV/EpisodeResolver.cs
@@ -35,14 +35,10 @@ namespace Emby.Server.Implementations.Library.Resolvers.TV
                 return null;
             }
 
-            var season = parent as Season;
-
             // Just in case the user decided to nest episodes.
             // Not officially supported but in some cases we can handle it.
-            if (season == null)
-            {
-                season = parent.GetParents().OfType<Season>().FirstOrDefault();
-            }
+
+            var season = parent as Season ?? parent.GetParents().OfType<Season>().FirstOrDefault();
 
             // If the parent is a Season or Series and the parent is not an extras folder, then this is an Episode if the VideoResolver returns something
             // Also handle flat tv folders
@@ -55,11 +51,7 @@ namespace Emby.Server.Implementations.Library.Resolvers.TV
 
                 if (episode != null)
                 {
-                    var series = parent as Series;
-                    if (series == null)
-                    {
-                        series = parent.GetParents().OfType<Series>().FirstOrDefault();
-                    }
+                    var series = parent as Series ?? parent.GetParents().OfType<Series>().FirstOrDefault();
 
                     if (series != null)
                     {
diff --git a/Emby.Server.Implementations/Library/Resolvers/TV/SeasonResolver.cs b/Emby.Server.Implementations/Library/Resolvers/TV/SeasonResolver.cs
index 3332e1806..768e2e4f5 100644
--- a/Emby.Server.Implementations/Library/Resolvers/TV/SeasonResolver.cs
+++ b/Emby.Server.Implementations/Library/Resolvers/TV/SeasonResolver.cs
@@ -88,7 +88,7 @@ namespace Emby.Server.Implementations.Library.Resolvers.TV
                             CultureInfo.InvariantCulture,
                             _localization.GetLocalizedString("NameSeasonNumber"),
                             seasonNumber,
-                            args.GetLibraryOptions().PreferredMetadataLanguage);
+                            args.LibraryOptions.PreferredMetadataLanguage);
                 }
 
                 return season;
diff --git a/Emby.Server.Implementations/Library/Resolvers/TV/SeriesResolver.cs b/Emby.Server.Implementations/Library/Resolvers/TV/SeriesResolver.cs
index 732bfd94d..8fc3e3e75 100644
--- a/Emby.Server.Implementations/Library/Resolvers/TV/SeriesResolver.cs
+++ b/Emby.Server.Implementations/Library/Resolvers/TV/SeriesResolver.cs
@@ -19,19 +19,16 @@ namespace Emby.Server.Implementations.Library.Resolvers.TV
     /// </summary>
     public class SeriesResolver : FolderResolver<Series>
     {
-        private readonly IFileSystem _fileSystem;
         private readonly ILogger<SeriesResolver> _logger;
         private readonly ILibraryManager _libraryManager;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="SeriesResolver"/> class.
         /// </summary>
-        /// <param name="fileSystem">The file system.</param>
         /// <param name="logger">The logger.</param>
         /// <param name="libraryManager">The library manager.</param>
-        public SeriesResolver(IFileSystem fileSystem, ILogger<SeriesResolver> logger, ILibraryManager libraryManager)
+        public SeriesResolver(ILogger<SeriesResolver> logger, ILibraryManager libraryManager)
         {
-            _fileSystem = fileSystem;
             _logger = logger;
             _libraryManager = libraryManager;
         }
@@ -59,15 +56,6 @@ namespace Emby.Server.Implementations.Library.Resolvers.TV
                 var collectionType = args.GetCollectionType();
                 if (string.Equals(collectionType, CollectionType.TvShows, StringComparison.OrdinalIgnoreCase))
                 {
-                    // if (args.ContainsFileSystemEntryByName("tvshow.nfo"))
-                    //{
-                    //    return new Series
-                    //    {
-                    //        Path = args.Path,
-                    //        Name = Path.GetFileName(args.Path)
-                    //    };
-                    //}
-
                     var configuredContentType = _libraryManager.GetConfiguredContentType(args.Path);
                     if (!string.Equals(configuredContentType, CollectionType.TvShows, StringComparison.OrdinalIgnoreCase))
                     {
@@ -100,7 +88,7 @@ namespace Emby.Server.Implementations.Library.Resolvers.TV
                         return null;
                     }
 
-                    if (IsSeriesFolder(args.Path, args.FileSystemChildren, args.DirectoryService, _fileSystem, _logger, _libraryManager, false))
+                    if (IsSeriesFolder(args.Path, args.FileSystemChildren, _logger, _libraryManager, false))
                     {
                         return new Series
                         {
@@ -117,8 +105,6 @@ namespace Emby.Server.Implementations.Library.Resolvers.TV
         public static bool IsSeriesFolder(
             string path,
             IEnumerable<FileSystemMetadata> fileSystemChildren,
-            IDirectoryService directoryService,
-            IFileSystem fileSystem,
             ILogger<SeriesResolver> logger,
             ILibraryManager libraryManager,
             bool isTvContentType)
@@ -127,7 +113,7 @@ namespace Emby.Server.Implementations.Library.Resolvers.TV
             {
                 if (child.IsDirectory)
                 {
-                    if (IsSeasonFolder(child.FullName, isTvContentType, libraryManager))
+                    if (IsSeasonFolder(child.FullName, isTvContentType))
                     {
                         logger.LogDebug("{Path} is a series because of season folder {Dir}.", path, child.FullName);
                         return true;
@@ -161,31 +147,12 @@ namespace Emby.Server.Implementations.Library.Resolvers.TV
         }
 
         /// <summary>
-        /// Determines whether [is place holder] [the specified path].
-        /// </summary>
-        /// <param name="path">The path.</param>
-        /// <returns><c>true</c> if [is place holder] [the specified path]; otherwise, <c>false</c>.</returns>
-        /// <exception cref="ArgumentNullException">path</exception>
-        private static bool IsVideoPlaceHolder(string path)
-        {
-            if (string.IsNullOrEmpty(path))
-            {
-                throw new ArgumentNullException(nameof(path));
-            }
-
-            var extension = Path.GetExtension(path);
-
-            return string.Equals(extension, ".disc", StringComparison.OrdinalIgnoreCase);
-        }
-
-        /// <summary>
         /// Determines whether [is season folder] [the specified path].
         /// </summary>
         /// <param name="path">The path.</param>
         /// <param name="isTvContentType">if set to <c>true</c> [is tv content type].</param>
-        /// <param name="libraryManager">The library manager.</param>
         /// <returns><c>true</c> if [is season folder] [the specified path]; otherwise, <c>false</c>.</returns>
-        private static bool IsSeasonFolder(string path, bool isTvContentType, ILibraryManager libraryManager)
+        private static bool IsSeasonFolder(string path, bool isTvContentType)
         {
             var seasonNumber = SeasonPathParser.Parse(path, isTvContentType, isTvContentType).SeasonNumber;
 
diff --git a/Emby.Server.Implementations/Library/SearchEngine.cs b/Emby.Server.Implementations/Library/SearchEngine.cs
index 94602582b..bcdf854ca 100644
--- a/Emby.Server.Implementations/Library/SearchEngine.cs
+++ b/Emby.Server.Implementations/Library/SearchEngine.cs
@@ -12,7 +12,6 @@ using MediaBrowser.Controller.Extensions;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Model.Querying;
 using MediaBrowser.Model.Search;
-using Microsoft.Extensions.Logging;
 using Genre = MediaBrowser.Controller.Entities.Genre;
 using Person = MediaBrowser.Controller.Entities.Person;
 
diff --git a/Emby.Server.Implementations/Library/UserDataManager.cs b/Emby.Server.Implementations/Library/UserDataManager.cs
index d16275b19..827e3c64b 100644
--- a/Emby.Server.Implementations/Library/UserDataManager.cs
+++ b/Emby.Server.Implementations/Library/UserDataManager.cs
@@ -13,8 +13,8 @@ using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Persistence;
 using MediaBrowser.Model.Dto;
 using MediaBrowser.Model.Entities;
-using Book = MediaBrowser.Controller.Entities.Book;
 using AudioBook = MediaBrowser.Controller.Entities.AudioBook;
+using Book = MediaBrowser.Controller.Entities.Book;
 
 namespace Emby.Server.Implementations.Library
 {
@@ -248,15 +248,15 @@ namespace Emby.Server.Implementations.Library
             }
             else if (positionTicks > 0 && hasRuntime && item is AudioBook)
             {
-                var minIn = TimeSpan.FromTicks(positionTicks).TotalMinutes;
-                var minOut = TimeSpan.FromTicks(runtimeTicks - positionTicks).TotalMinutes;
+                var playbackPositionInMinutes = TimeSpan.FromTicks(positionTicks).TotalMinutes;
+                var remainingTimeInMinutes = TimeSpan.FromTicks(runtimeTicks - positionTicks).TotalMinutes;
 
-                if (minIn > _config.Configuration.MinAudiobookResume)
+                if (playbackPositionInMinutes < _config.Configuration.MinAudiobookResume)
                 {
                     // ignore progress during the beginning
                     positionTicks = 0;
                 }
-                else if (minOut < _config.Configuration.MaxAudiobookResume || positionTicks >= runtimeTicks)
+                else if (remainingTimeInMinutes < _config.Configuration.MaxAudiobookResume || positionTicks >= runtimeTicks)
                 {
                     // mark as completed close to the end
                     positionTicks = 0;
diff --git a/Emby.Server.Implementations/Library/UserViewManager.cs b/Emby.Server.Implementations/Library/UserViewManager.cs
index b6b7ea949..ac041bcf6 100644
--- a/Emby.Server.Implementations/Library/UserViewManager.cs
+++ b/Emby.Server.Implementations/Library/UserViewManager.cs
@@ -2,7 +2,6 @@
 
 using System;
 using System.Collections.Generic;
-using System.Globalization;
 using System.Linq;
 using System.Threading;
 using Jellyfin.Data.Entities;
diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs
index 91a21db60..28a2095e1 100644
--- a/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs
+++ b/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs
@@ -17,7 +17,6 @@ using Jellyfin.Data.Enums;
 using Jellyfin.Data.Events;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Common.Extensions;
-using MediaBrowser.Common.Net;
 using MediaBrowser.Common.Progress;
 using MediaBrowser.Controller;
 using MediaBrowser.Controller.Configuration;
@@ -802,22 +801,22 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
 
         public ActiveRecordingInfo GetActiveRecordingInfo(string path)
         {
-            if (string.IsNullOrWhiteSpace(path))
+            if (string.IsNullOrWhiteSpace(path) || _activeRecordings.IsEmpty)
             {
                 return null;
             }
 
-            foreach (var recording in _activeRecordings.Values)
+            foreach (var (_, recordingInfo) in _activeRecordings)
             {
-                if (string.Equals(recording.Path, path, StringComparison.Ordinal) && !recording.CancellationTokenSource.IsCancellationRequested)
+                if (string.Equals(recordingInfo.Path, path, StringComparison.Ordinal) && !recordingInfo.CancellationTokenSource.IsCancellationRequested)
                 {
-                    var timer = recording.Timer;
+                    var timer = recordingInfo.Timer;
                     if (timer.Status != RecordingStatus.InProgress)
                     {
                         return null;
                     }
 
-                    return recording;
+                    return recordingInfo;
                 }
             }
 
@@ -1622,9 +1621,7 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
             }
 
             return _activeRecordings
-                .Values
-                .ToList()
-                .Any(i => string.Equals(i.Path, path, StringComparison.OrdinalIgnoreCase) && !string.Equals(i.Timer.Id, timerId, StringComparison.OrdinalIgnoreCase));
+                .Any(i => string.Equals(i.Value.Path, path, StringComparison.OrdinalIgnoreCase) && !string.Equals(i.Value.Timer.Id, timerId, StringComparison.OrdinalIgnoreCase));
         }
 
         private IRecorder GetRecorder(MediaSourceInfo mediaSource)
@@ -2240,14 +2237,10 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
             var enabledTimersForSeries = new List<TimerInfo>();
             foreach (var timer in allTimers)
             {
-                var existingTimer = _timerProvider.GetTimer(timer.Id);
-
-                if (existingTimer == null)
-                {
-                    existingTimer = string.IsNullOrWhiteSpace(timer.ProgramId)
+                var existingTimer = _timerProvider.GetTimer(timer.Id) 
+                    ?? (string.IsNullOrWhiteSpace(timer.ProgramId)
                         ? null
-                        : _timerProvider.GetTimerByProgramId(timer.ProgramId);
-                }
+                        : _timerProvider.GetTimerByProgramId(timer.ProgramId));
 
                 if (existingTimer == null)
                 {
diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/EncodedRecorder.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/EncodedRecorder.cs
index 44a8cdee4..9372b0f6c 100644
--- a/Emby.Server.Implementations/LiveTv/EmbyTV/EncodedRecorder.cs
+++ b/Emby.Server.Implementations/LiveTv/EmbyTV/EncodedRecorder.cs
@@ -10,6 +10,7 @@ using System.Text.Json;
 using System.Threading;
 using System.Threading.Tasks;
 using MediaBrowser.Common.Configuration;
+using MediaBrowser.Common.Extensions;
 using MediaBrowser.Common.Json;
 using MediaBrowser.Controller;
 using MediaBrowser.Controller.Configuration;
@@ -307,13 +308,11 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
             {
                 using (var reader = new StreamReader(source))
                 {
-                    while (!reader.EndOfStream)
+                    await foreach (var line in reader.ReadAllLinesAsync().ConfigureAwait(false))
                     {
-                        var line = await reader.ReadLineAsync().ConfigureAwait(false);
-
                         var bytes = Encoding.UTF8.GetBytes(Environment.NewLine + line);
 
-                        await target.WriteAsync(bytes, 0, bytes.Length).ConfigureAwait(false);
+                        await target.WriteAsync(bytes.AsMemory()).ConfigureAwait(false);
                         await target.FlushAsync().ConfigureAwait(false);
                     }
                 }
diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/EpgChannelData.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/EpgChannelData.cs
index 463d0ed0a..8c27ca76e 100644
--- a/Emby.Server.Implementations/LiveTv/EmbyTV/EpgChannelData.cs
+++ b/Emby.Server.Implementations/LiveTv/EmbyTV/EpgChannelData.cs
@@ -9,55 +9,44 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
 
     internal class EpgChannelData
     {
+
+        private readonly Dictionary<string, ChannelInfo> _channelsById;
+
+        private readonly Dictionary<string, ChannelInfo> _channelsByNumber;
+
+        private readonly Dictionary<string, ChannelInfo> _channelsByName;
+
         public EpgChannelData(IEnumerable<ChannelInfo> channels)
         {
-            ChannelsById = new Dictionary<string, ChannelInfo>(StringComparer.OrdinalIgnoreCase);
-            ChannelsByNumber = new Dictionary<string, ChannelInfo>(StringComparer.OrdinalIgnoreCase);
-            ChannelsByName = new Dictionary<string, ChannelInfo>(StringComparer.OrdinalIgnoreCase);
+            _channelsById = new Dictionary<string, ChannelInfo>(StringComparer.OrdinalIgnoreCase);
+            _channelsByNumber = new Dictionary<string, ChannelInfo>(StringComparer.OrdinalIgnoreCase);
+            _channelsByName = new Dictionary<string, ChannelInfo>(StringComparer.OrdinalIgnoreCase);
 
             foreach (var channel in channels)
             {
-                ChannelsById[channel.Id] = channel;
+                _channelsById[channel.Id] = channel;
 
                 if (!string.IsNullOrEmpty(channel.Number))
                 {
-                    ChannelsByNumber[channel.Number] = channel;
+                    _channelsByNumber[channel.Number] = channel;
                 }
 
                 var normalizedName = NormalizeName(channel.Name ?? string.Empty);
                 if (!string.IsNullOrWhiteSpace(normalizedName))
                 {
-                    ChannelsByName[normalizedName] = channel;
+                    _channelsByName[normalizedName] = channel;
                 }
             }
         }
 
-        private Dictionary<string, ChannelInfo> ChannelsById { get; set; }
-
-        private Dictionary<string, ChannelInfo> ChannelsByNumber { get; set; }
-
-        private Dictionary<string, ChannelInfo> ChannelsByName { get; set; }
-
         public ChannelInfo GetChannelById(string id)
-        {
-            ChannelsById.TryGetValue(id, out var result);
-
-            return result;
-        }
+            => _channelsById.GetValueOrDefault(id);
 
         public ChannelInfo GetChannelByNumber(string number)
-        {
-            ChannelsByNumber.TryGetValue(number, out var result);
-
-            return result;
-        }
+            => _channelsByNumber.GetValueOrDefault(number);
 
         public ChannelInfo GetChannelByName(string name)
-        {
-            ChannelsByName.TryGetValue(name, out var result);
-
-            return result;
-        }
+            => _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 c20b08088..1cac9cb96 100644
--- a/Emby.Server.Implementations/LiveTv/EmbyTV/ItemDataProvider.cs
+++ b/Emby.Server.Implementations/LiveTv/EmbyTV/ItemDataProvider.cs
@@ -4,9 +4,7 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
-using System.Text;
 using System.Text.Json;
-using System.Threading.Tasks;
 using MediaBrowser.Common.Json;
 using Microsoft.Extensions.Logging;
 
diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/SeriesTimerManager.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/SeriesTimerManager.cs
index da707fec6..b1259de23 100644
--- a/Emby.Server.Implementations/LiveTv/EmbyTV/SeriesTimerManager.cs
+++ b/Emby.Server.Implementations/LiveTv/EmbyTV/SeriesTimerManager.cs
@@ -2,7 +2,6 @@
 
 using System;
 using MediaBrowser.Controller.LiveTv;
-using MediaBrowser.Model.Serialization;
 using Microsoft.Extensions.Logging;
 
 namespace Emby.Server.Implementations.LiveTv.EmbyTV
diff --git a/Emby.Server.Implementations/LiveTv/Listings/SchedulesDirect.cs b/Emby.Server.Implementations/LiveTv/Listings/SchedulesDirect.cs
index dd58ca899..5b6f8cc49 100644
--- a/Emby.Server.Implementations/LiveTv/Listings/SchedulesDirect.cs
+++ b/Emby.Server.Implementations/LiveTv/Listings/SchedulesDirect.cs
@@ -787,14 +787,11 @@ namespace Emby.Server.Implementations.LiveTv.Listings
             {
                 var channelNumber = GetChannelNumber(channel);
 
-                var station = allStations.Find(item => string.Equals(item.stationID, channel.stationID, StringComparison.OrdinalIgnoreCase));
-                if (station == null)
-                {
-                    station = new ScheduleDirect.Station
+                var station = allStations.Find(item => string.Equals(item.stationID, channel.stationID, StringComparison.OrdinalIgnoreCase)) 
+                    ?? new ScheduleDirect.Station
                     {
                         stationID = channel.stationID
                     };
-                }
 
                 var channelInfo = new ChannelInfo
                 {
diff --git a/Emby.Server.Implementations/LiveTv/Listings/XmlTvListingsProvider.cs b/Emby.Server.Implementations/LiveTv/Listings/XmlTvListingsProvider.cs
index 76c875737..6824aa442 100644
--- a/Emby.Server.Implementations/LiveTv/Listings/XmlTvListingsProvider.cs
+++ b/Emby.Server.Implementations/LiveTv/Listings/XmlTvListingsProvider.cs
@@ -4,7 +4,6 @@ using System;
 using System.Collections.Generic;
 using System.Globalization;
 using System.IO;
-using System.IO.Compression;
 using System.Linq;
 using System.Net.Http;
 using System.Threading;
diff --git a/Emby.Server.Implementations/LiveTv/LiveTvManager.cs b/Emby.Server.Implementations/LiveTv/LiveTvManager.cs
index 63a3146aa..1145d8aa1 100644
--- a/Emby.Server.Implementations/LiveTv/LiveTvManager.cs
+++ b/Emby.Server.Implementations/LiveTv/LiveTvManager.cs
@@ -987,10 +987,7 @@ namespace Emby.Server.Implementations.LiveTv
                 var externalProgramId = programTuple.Item2;
                 string externalSeriesId = programTuple.Item3;
 
-                if (timerList == null)
-                {
-                    timerList = (await GetTimersInternal(new TimerQuery(), cancellationToken).ConfigureAwait(false)).Items;
-                }
+                timerList ??= (await GetTimersInternal(new TimerQuery(), cancellationToken).ConfigureAwait(false)).Items;
 
                 var timer = timerList.FirstOrDefault(i => string.Equals(i.ProgramId, externalProgramId, StringComparison.OrdinalIgnoreCase));
                 var foundSeriesTimer = false;
@@ -1018,10 +1015,7 @@ namespace Emby.Server.Implementations.LiveTv
                     continue;
                 }
 
-                if (seriesTimerList == null)
-                {
-                    seriesTimerList = (await GetSeriesTimersInternal(new SeriesTimerQuery(), cancellationToken).ConfigureAwait(false)).Items;
-                }
+                seriesTimerList ??= (await GetSeriesTimersInternal(new SeriesTimerQuery(), cancellationToken).ConfigureAwait(false)).Items;
 
                 var seriesTimer = seriesTimerList.FirstOrDefault(i => string.Equals(i.SeriesId, externalSeriesId, StringComparison.OrdinalIgnoreCase));
 
@@ -1974,10 +1968,7 @@ namespace Emby.Server.Implementations.LiveTv
                 };
             }
 
-            if (service == null)
-            {
-                service = _services[0];
-            }
+            service ??= _services[0];
 
             var info = await service.GetNewTimerDefaultsAsync(cancellationToken, programInfo).ConfigureAwait(false);
 
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs
index 68173a0ef..324109bcf 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs
@@ -8,10 +8,8 @@ using System.Linq;
 using System.Net;
 using System.Net.Http;
 using System.Text.Json;
-using System.Text.Json.Serialization;
 using System.Threading;
 using System.Threading.Tasks;
-using MediaBrowser.Common.Configuration;
 using MediaBrowser.Common.Extensions;
 using MediaBrowser.Common.Json;
 using MediaBrowser.Common.Net;
@@ -19,7 +17,6 @@ using MediaBrowser.Controller;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.LiveTv;
-using MediaBrowser.Model.Configuration;
 using MediaBrowser.Model.Dto;
 using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.IO;
@@ -185,16 +182,16 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             await using var stream = await response.Content.ReadAsStreamAsync(cancellationToken).ConfigureAwait(false);
             using var sr = new StreamReader(stream, System.Text.Encoding.UTF8);
             var tuners = new List<LiveTvTunerInfo>();
-            while (!sr.EndOfStream)
+            await foreach (var line in sr.ReadAllLinesAsync().ConfigureAwait(false))
             {
-                string line = StripXML(sr.ReadLine());
-                if (line.Contains("Channel", StringComparison.Ordinal))
+                string stripedLine = StripXML(line);
+                if (stripedLine.Contains("Channel", StringComparison.Ordinal))
                 {
                     LiveTvTunerStatus status;
-                    var index = line.IndexOf("Channel", StringComparison.OrdinalIgnoreCase);
-                    var name = line.Substring(0, index - 1);
-                    var currentChannel = line.Substring(index + 7);
-                    if (currentChannel != "none")
+                    var index = stripedLine.IndexOf("Channel", StringComparison.OrdinalIgnoreCase);
+                    var name = stripedLine.Substring(0, index - 1);
+                    var currentChannel = stripedLine.Substring(index + 7);
+                    if (string.Equals(currentChannel, "none", StringComparison.Ordinal))
                     {
                         status = LiveTvTunerStatus.LiveTv;
                     }
@@ -424,10 +421,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
 
             string audioCodec = channelInfo.AudioCodec;
 
-            if (!videoBitrate.HasValue)
-            {
-                videoBitrate = isHd ? 15000000 : 2000000;
-            }
+            videoBitrate ??= isHd ? 15000000 : 2000000;
 
             int? audioBitrate = isHd ? 448000 : 192000;
 
@@ -664,7 +658,9 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                 _modelCache.Clear();
             }
 
-            cancellationToken = CancellationTokenSource.CreateLinkedTokenSource(new CancellationTokenSource(discoveryDurationMs).Token, cancellationToken).Token;
+            using var timedCancellationToken = new CancellationTokenSource(discoveryDurationMs);
+            using var linkedCancellationTokenSource = CancellationTokenSource.CreateLinkedTokenSource(timedCancellationToken.Token, cancellationToken);
+            cancellationToken = linkedCancellationTokenSource.Token;
             var list = new List<TunerHostInfo>();
 
             // Create udp broadcast discovery message
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs
index 20a4d87fb..a7fda1d72 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs
@@ -130,9 +130,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
 
                 int receivedBytes = await stream.ReadAsync(buffer, cancellationToken).ConfigureAwait(false);
 
-                ParseReturnMessage(buffer, receivedBytes, out string returnVal);
-
-                return string.Equals(returnVal, "none", StringComparison.OrdinalIgnoreCase);
+                return VerifyReturnValueOfGetSet(buffer.AsSpan(receivedBytes), "none");
             }
             finally
             {
@@ -173,7 +171,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                     int receivedBytes = await stream.ReadAsync(buffer, cancellationToken).ConfigureAwait(false);
 
                     // parse response to make sure it worked
-                    if (!ParseReturnMessage(buffer, receivedBytes, out _))
+                    if (!TryGetReturnValueOfGetSet(buffer.AsSpan(0, receivedBytes), out _))
                     {
                         continue;
                     }
@@ -185,7 +183,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                         receivedBytes = await stream.ReadAsync(buffer, cancellationToken).ConfigureAwait(false);
 
                         // parse response to make sure it worked
-                        if (!ParseReturnMessage(buffer, receivedBytes, out _))
+                        if (!TryGetReturnValueOfGetSet(buffer.AsSpan(0, receivedBytes), out _))
                         {
                             await ReleaseLockkey(_tcpClient, lockKeyValue).ConfigureAwait(false);
                             continue;
@@ -199,7 +197,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                     receivedBytes = await stream.ReadAsync(buffer, cancellationToken).ConfigureAwait(false);
 
                     // parse response to make sure it worked
-                    if (!ParseReturnMessage(buffer, receivedBytes, out _))
+                    if (!TryGetReturnValueOfGetSet(buffer.AsSpan(0, receivedBytes), out _))
                     {
                         await ReleaseLockkey(_tcpClient, lockKeyValue).ConfigureAwait(false);
                         continue;
@@ -239,7 +237,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                     int receivedBytes = await stream.ReadAsync(buffer, cancellationToken).ConfigureAwait(false);
 
                     // parse response to make sure it worked
-                    if (!ParseReturnMessage(buffer, receivedBytes, out _))
+                    if (!TryGetReturnValueOfGetSet(buffer.AsSpan(0, receivedBytes), out _))
                     {
                         return;
                     }
@@ -292,7 +290,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             return FinishPacket(buffer, offset);
         }
 
-        private static int WriteSetMessage(Span<byte> buffer, int tuner, string name, string value, uint? lockkey)
+        internal static int WriteSetMessage(Span<byte> buffer, int tuner, string name, string value, uint? lockkey)
         {
             var byteName = string.Format(CultureInfo.InvariantCulture, "/tuner{0}/{1}", tuner, name);
             int offset = WriteHeaderAndPayload(buffer, byteName);
@@ -355,60 +353,65 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             return offset + 4;
         }
 
-        private static bool ParseReturnMessage(byte[] buf, int numBytes, out string returnVal)
+        internal static bool VerifyReturnValueOfGetSet(ReadOnlySpan<byte> buffer, string expected)
         {
-            returnVal = string.Empty;
+            return TryGetReturnValueOfGetSet(buffer, out var value)
+                && string.Equals(Encoding.UTF8.GetString(value), expected, StringComparison.OrdinalIgnoreCase);
+        }
 
-            if (numBytes < 4)
+        internal static bool TryGetReturnValueOfGetSet(ReadOnlySpan<byte> buffer, out ReadOnlySpan<byte> value)
+        {
+            value = ReadOnlySpan<byte>.Empty;
+
+            if (buffer.Length < 8)
             {
                 return false;
             }
 
-            var flipEndian = BitConverter.IsLittleEndian;
-            int offset = 0;
-            byte[] msgTypeBytes = new byte[2];
-            Buffer.BlockCopy(buf, offset, msgTypeBytes, 0, msgTypeBytes.Length);
-
-            if (flipEndian)
+            uint crc = BinaryPrimitives.ReadUInt32LittleEndian(buffer[^4..]);
+            if (crc != Crc32.Compute(buffer[..^4]))
             {
-                Array.Reverse(msgTypeBytes);
+                return false;
             }
 
-            var msgType = BitConverter.ToUInt16(msgTypeBytes, 0);
-            offset += 2;
-
-            if (msgType != GetSetReply)
+            if (BinaryPrimitives.ReadUInt16BigEndian(buffer) != GetSetReply)
             {
                 return false;
             }
 
-            byte[] msgLengthBytes = new byte[2];
-            Buffer.BlockCopy(buf, offset, msgLengthBytes, 0, msgLengthBytes.Length);
-            if (flipEndian)
+            var msgLength = BinaryPrimitives.ReadUInt16BigEndian(buffer.Slice(2));
+            if (buffer.Length != 2 + 2 + 4 + msgLength)
             {
-                Array.Reverse(msgLengthBytes);
+                return false;
             }
 
-            var msgLength = BitConverter.ToUInt16(msgLengthBytes, 0);
-            offset += 2;
-
-            if (numBytes < msgLength + 8)
+            var offset = 4;
+            if (buffer[offset++] != GetSetName)
             {
                 return false;
             }
 
-            offset++; // Name Tag
-
-            var nameLength = buf[offset++];
+            var nameLength = buffer[offset++];
+            if (buffer.Length < 4 + 1 + offset + nameLength)
+            {
+                return false;
+            }
 
-            // skip the name field to get to value for return
             offset += nameLength;
 
-            offset++; // Value Tag
+            if (buffer[offset++] != GetSetValue)
+            {
+                return false;
+            }
 
-            var valueLength = buf[offset++];
+            var valueLength = buffer[offset++];
+            if (buffer.Length < 4 + offset + valueLength)
+            {
+                return false;
+            }
 
-            returnVal = Encoding.UTF8.GetString(buf, offset, valueLength - 1); // remove null terminator
+            // remove null terminator
+            value = buffer.Slice(offset, valueLength - 1);
             return true;
         }
     }
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs
index 78e62ff0a..f8baf55da 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs
@@ -150,7 +150,8 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 
         public async Task CopyToAsync(Stream stream, CancellationToken cancellationToken)
         {
-            cancellationToken = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, LiveStreamCancellationTokenSource.Token).Token;
+            using var linkedCancellationTokenSource = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, LiveStreamCancellationTokenSource.Token);
+            cancellationToken = linkedCancellationTokenSource.Token;
 
             // use non-async filestream on windows along with read due to https://github.com/dotnet/corefx/issues/6039
             var allowAsync = Environment.OSVersion.Platform != PlatformID.Win32NT;
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs
index 2af635492..84d416149 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs
@@ -4,7 +4,6 @@ using System;
 using System.Collections.Generic;
 using System.Globalization;
 using System.IO;
-using System.Linq;
 using System.Net.Http;
 using System.Text.RegularExpressions;
 using System.Threading;
@@ -36,16 +35,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
             // Read the file and display it line by line.
             using (var reader = new StreamReader(await GetListingsStream(info, cancellationToken).ConfigureAwait(false)))
             {
-                return GetChannels(reader, channelIdPrefix, info.Id);
-            }
-        }
-
-        public List<ChannelInfo> ParseString(string text, string channelIdPrefix, string tunerHostId)
-        {
-            // Read the file and display it line by line.
-            using (var reader = new StringReader(text))
-            {
-                return GetChannels(reader, channelIdPrefix, tunerHostId);
+                return await GetChannelsAsync(reader, channelIdPrefix, info.Id).ConfigureAwait(false);
             }
         }
 
@@ -71,43 +61,42 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 
         private const string ExtInfPrefix = "#EXTINF:";
 
-        private List<ChannelInfo> GetChannels(TextReader reader, string channelIdPrefix, string tunerHostId)
+        private async Task<List<ChannelInfo>> GetChannelsAsync(TextReader reader, string channelIdPrefix, string tunerHostId)
         {
             var channels = new List<ChannelInfo>();
-            string line;
             string extInf = string.Empty;
 
-            while ((line = reader.ReadLine()) != null)
+            await foreach (var line in reader.ReadAllLinesAsync().ConfigureAwait(false))
             {
-                line = line.Trim();
-                if (string.IsNullOrWhiteSpace(line))
+                var trimmedLine = line.Trim();
+                if (string.IsNullOrWhiteSpace(trimmedLine))
                 {
                     continue;
                 }
 
-                if (line.StartsWith("#EXTM3U", StringComparison.OrdinalIgnoreCase))
+                if (trimmedLine.StartsWith("#EXTM3U", StringComparison.OrdinalIgnoreCase))
                 {
                     continue;
                 }
 
-                if (line.StartsWith(ExtInfPrefix, StringComparison.OrdinalIgnoreCase))
+                if (trimmedLine.StartsWith(ExtInfPrefix, StringComparison.OrdinalIgnoreCase))
                 {
-                    extInf = line.Substring(ExtInfPrefix.Length).Trim();
+                    extInf = trimmedLine.Substring(ExtInfPrefix.Length).Trim();
                     _logger.LogInformation("Found m3u channel: {0}", extInf);
                 }
-                else if (!string.IsNullOrWhiteSpace(extInf) && !line.StartsWith('#'))
+                else if (!string.IsNullOrWhiteSpace(extInf) && !trimmedLine.StartsWith('#'))
                 {
-                    var channel = GetChannelnfo(extInf, tunerHostId, line);
+                    var channel = GetChannelnfo(extInf, tunerHostId, trimmedLine);
                     if (string.IsNullOrWhiteSpace(channel.Id))
                     {
-                        channel.Id = channelIdPrefix + line.GetMD5().ToString("N", CultureInfo.InvariantCulture);
+                        channel.Id = channelIdPrefix + trimmedLine.GetMD5().ToString("N", CultureInfo.InvariantCulture);
                     }
                     else
                     {
                         channel.Id = channelIdPrefix + channel.Id.GetMD5().ToString("N", CultureInfo.InvariantCulture);
                     }
 
-                    channel.Path = line;
+                    channel.Path = trimmedLine;
                     channels.Add(channel);
                     extInf = string.Empty;
                 }
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..9f84d3a3c 100644
--- a/Emby.Server.Implementations/Localization/Core/ar.json
+++ b/Emby.Server.Implementations/Localization/Core/ar.json
@@ -113,5 +113,8 @@
     "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"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/bn.json b/Emby.Server.Implementations/Localization/Core/bn.json
index a23037af8..f0e42a052 100644
--- a/Emby.Server.Implementations/Localization/Core/bn.json
+++ b/Emby.Server.Implementations/Localization/Core/bn.json
@@ -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/cs.json b/Emby.Server.Implementations/Localization/Core/cs.json
index 775267183..ff14c1929 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",
diff --git a/Emby.Server.Implementations/Localization/Core/da.json b/Emby.Server.Implementations/Localization/Core/da.json
index 051d6d009..3453507d9 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",
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..633968d26 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}",
diff --git a/Emby.Server.Implementations/Localization/Core/fr.json b/Emby.Server.Implementations/Localization/Core/fr.json
index 1e195378f..ce1493be8 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",
diff --git a/Emby.Server.Implementations/Localization/Core/gl.json b/Emby.Server.Implementations/Localization/Core/gl.json
index 11139d32a..0398e1c9e 100644
--- a/Emby.Server.Implementations/Localization/Core/gl.json
+++ b/Emby.Server.Implementations/Localization/Core/gl.json
@@ -79,5 +79,14 @@
     "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"
 }
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..85848fed6 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}",
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..bd06f0a25 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",
@@ -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}",
diff --git a/Emby.Server.Implementations/Localization/Core/kk.json b/Emby.Server.Implementations/Localization/Core/kk.json
index 829a29ad4..4eee36989 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 +109,14 @@
     "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."
 }
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/ms.json b/Emby.Server.Implementations/Localization/Core/ms.json
index 5e3d095ff..5b4c8ae10 100644
--- a/Emby.Server.Implementations/Localization/Core/ms.json
+++ b/Emby.Server.Implementations/Localization/Core/ms.json
@@ -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 +82,24 @@
     "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."
 }
diff --git a/Emby.Server.Implementations/Localization/Core/nb.json b/Emby.Server.Implementations/Localization/Core/nb.json
index d5bca9f6c..fbe1f7c4d 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 +86,37 @@
     "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."
 }
diff --git a/Emby.Server.Implementations/Localization/Core/nl.json b/Emby.Server.Implementations/Localization/Core/nl.json
index ffc329e35..2973c8c6e 100644
--- a/Emby.Server.Implementations/Localization/Core/nl.json
+++ b/Emby.Server.Implementations/Localization/Core/nl.json
@@ -3,9 +3,9 @@
     "AppDeviceValues": "App: {0}, Apparaat: {1}",
     "Application": "Applicatie",
     "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",
diff --git a/Emby.Server.Implementations/Localization/Core/nn.json b/Emby.Server.Implementations/Localization/Core/nn.json
index 6236515b2..f5683f35b 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",
@@ -37,10 +37,10 @@
     "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/ru.json b/Emby.Server.Implementations/Localization/Core/ru.json
index 46b47cf4a..e58f8c39d 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",
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..129986ed0 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",
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/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/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 98de848bc..220e423bf 100644
--- a/Emby.Server.Implementations/Localization/LocalizationManager.cs
+++ b/Emby.Server.Implementations/Localization/LocalizationManager.cs
@@ -7,11 +7,11 @@ using System.Linq;
 using System.Reflection;
 using System.Text.Json;
 using System.Threading.Tasks;
+using MediaBrowser.Common.Extensions;
 using MediaBrowser.Common.Json;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.Globalization;
-using MediaBrowser.Model.Serialization;
 using Microsoft.Extensions.Logging;
 
 namespace Emby.Server.Implementations.Localization
@@ -73,8 +73,7 @@ namespace Emby.Server.Implementations.Localization
                 using (var str = _assembly.GetManifestResourceStream(resource))
                 using (var reader = new StreamReader(str))
                 {
-                    string line;
-                    while ((line = await reader.ReadLineAsync().ConfigureAwait(false)) != null)
+                    await foreach (var line in reader.ReadAllLinesAsync().ConfigureAwait(false))
                     {
                         if (string.IsNullOrWhiteSpace(line))
                         {
@@ -119,10 +118,8 @@ namespace Emby.Server.Implementations.Localization
             using (var stream = _assembly.GetManifestResourceStream(ResourcePath))
             using (var reader = new StreamReader(stream))
             {
-                while (!reader.EndOfStream)
+                await foreach (var line in reader.ReadAllLinesAsync().ConfigureAwait(false))
                 {
-                    var line = await reader.ReadLineAsync().ConfigureAwait(false);
-
                     if (string.IsNullOrWhiteSpace(line))
                     {
                         continue;
@@ -180,7 +177,7 @@ namespace Emby.Server.Implementations.Localization
         /// <inheritdoc />
         public IEnumerable<CountryInfo> GetCountries()
         {
-            StreamReader reader = new StreamReader(_assembly.GetManifestResourceStream("Emby.Server.Implementations.Localization.countries.json"));
+            using StreamReader reader = new StreamReader(_assembly.GetManifestResourceStream("Emby.Server.Implementations.Localization.countries.json"));
 
             return JsonSerializer.Deserialize<IEnumerable<CountryInfo>>(reader.ReadToEnd(), _jsonOptions);
         }
@@ -316,10 +313,9 @@ namespace Emby.Server.Implementations.Localization
             }
 
             const string Prefix = "Core";
-            var key = Prefix + culture;
 
             return _dictionaries.GetOrAdd(
-                key,
+                culture,
                 f => GetDictionary(Prefix, culture, DefaultCulture + ".json").GetAwaiter().GetResult());
         }
 
diff --git a/Emby.Server.Implementations/MediaEncoder/EncodingManager.cs b/Emby.Server.Implementations/MediaEncoder/EncodingManager.cs
index a9dab9138..031b5d2e7 100644
--- a/Emby.Server.Implementations/MediaEncoder/EncodingManager.cs
+++ b/Emby.Server.Implementations/MediaEncoder/EncodingManager.cs
@@ -15,7 +15,6 @@ using MediaBrowser.Controller.Providers;
 using MediaBrowser.Model.Dto;
 using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.IO;
-using MediaBrowser.Model.MediaInfo;
 using Microsoft.Extensions.Logging;
 
 namespace Emby.Server.Implementations.MediaEncoder
diff --git a/Emby.Server.Implementations/Playlists/PlaylistManager.cs b/Emby.Server.Implementations/Playlists/PlaylistManager.cs
index 932f721ab..2d1a559f1 100644
--- a/Emby.Server.Implementations/Playlists/PlaylistManager.cs
+++ b/Emby.Server.Implementations/Playlists/PlaylistManager.cs
@@ -215,7 +215,7 @@ namespace Emby.Server.Implementations.Playlists
 
             // Create a list of the new linked children to add to the playlist
             var childrenToAdd = newItems
-                .Select(i => LinkedChild.Create(i))
+                .Select(LinkedChild.Create)
                 .ToList();
 
             // Log duplicates that have been ignored, if any
diff --git a/Emby.Server.Implementations/Plugins/PluginManager.cs b/Emby.Server.Implementations/Plugins/PluginManager.cs
index 700396c4c..14df20936 100644
--- a/Emby.Server.Implementations/Plugins/PluginManager.cs
+++ b/Emby.Server.Implementations/Plugins/PluginManager.cs
@@ -2,6 +2,7 @@
 
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Net.Http;
@@ -43,12 +44,7 @@ namespace Emby.Server.Implementations.Plugins
         {
             get
             {
-                if (_httpClientFactory == null)
-                {
-                    _httpClientFactory = _appHost.Resolve<IHttpClientFactory>();
-                }
-
-                return _httpClientFactory;
+                return _httpClientFactory ?? (_httpClientFactory = _appHost.Resolve<IHttpClientFactory>());
             }
         }
 
@@ -165,9 +161,7 @@ namespace Emby.Server.Implementations.Plugins
         /// </summary>
         public void CreatePlugins()
         {
-            _ = _appHost.GetExports<IPlugin>(CreatePluginInstance)
-                .Where(i => i != null)
-                .ToArray();
+            _ = _appHost.GetExports<IPlugin>(CreatePluginInstance);
         }
 
         /// <summary>
@@ -277,11 +271,7 @@ namespace Emby.Server.Implementations.Plugins
                 // If no version is given, return the current instance.
                 var plugins = _plugins.Where(p => p.Id.Equals(id)).ToList();
 
-                plugin = plugins.FirstOrDefault(p => p.Instance != null);
-                if (plugin == null)
-                {
-                    plugin = plugins.OrderByDescending(p => p.Version).FirstOrDefault();
-                }
+                plugin = plugins.FirstOrDefault(p => p.Instance != null) ?? plugins.OrderByDescending(p => p.Version).FirstOrDefault();
             }
             else
             {
@@ -368,7 +358,7 @@ namespace Emby.Server.Implementations.Plugins
         }
 
         /// <inheritdoc/>
-        public async Task<bool> GenerateManifest(PackageInfo packageInfo, Version version, string path)
+        public async Task<bool> GenerateManifest(PackageInfo packageInfo, Version version, string path, PluginStatus status)
         {
             if (packageInfo == null)
             {
@@ -411,9 +401,9 @@ namespace Emby.Server.Implementations.Plugins
                 Overview = packageInfo.Overview,
                 Owner = packageInfo.Owner,
                 TargetAbi = versionInfo.TargetAbi ?? string.Empty,
-                Timestamp = string.IsNullOrEmpty(versionInfo.Timestamp) ? DateTime.MinValue : DateTime.Parse(versionInfo.Timestamp),
+                Timestamp = string.IsNullOrEmpty(versionInfo.Timestamp) ? DateTime.MinValue : DateTime.Parse(versionInfo.Timestamp, CultureInfo.InvariantCulture),
                 Version = versionInfo.Version,
-                Status = PluginStatus.Active,
+                Status = status == PluginStatus.Disabled ? PluginStatus.Disabled : PluginStatus.Active, // Keep disabled state.
                 AutoUpdate = true,
                 ImagePath = imagePath
             };
diff --git a/Emby.Server.Implementations/QuickConnect/QuickConnectManager.cs b/Emby.Server.Implementations/QuickConnect/QuickConnectManager.cs
index 9f639138a..c627bc3fc 100644
--- a/Emby.Server.Implementations/QuickConnect/QuickConnectManager.cs
+++ b/Emby.Server.Implementations/QuickConnect/QuickConnectManager.cs
@@ -247,20 +247,17 @@ namespace Emby.Server.Implementations.QuickConnect
             }
 
             // Expire stale connection requests
-            var code = string.Empty;
-            var values = _currentRequests.Values.ToList();
-
-            for (int i = 0; i < values.Count; i++)
+            foreach (var (_, currentRequest) in _currentRequests)
             {
-                var added = values[i].DateAdded ?? DateTime.UnixEpoch;
-                if (DateTime.UtcNow > added.AddMinutes(Timeout) || expireAll)
+                var added = currentRequest.DateAdded ?? DateTime.UnixEpoch;
+                if (expireAll || DateTime.UtcNow > added.AddMinutes(Timeout))
                 {
-                    code = values[i].Code;
-                    _logger.LogDebug("Removing expired request {code}", code);
+                    var code = currentRequest.Code;
+                    _logger.LogDebug("Removing expired request {Code}", code);
 
                     if (!_currentRequests.TryRemove(code, out _))
                     {
-                        _logger.LogWarning("Request {code} already expired", code);
+                        _logger.LogWarning("Request {Code} already expired", code);
                     }
                 }
             }
diff --git a/Emby.Server.Implementations/ScheduledTasks/ScheduledTaskWorker.cs b/Emby.Server.Implementations/ScheduledTasks/ScheduledTaskWorker.cs
index a145a8423..101d9b537 100644
--- a/Emby.Server.Implementations/ScheduledTasks/ScheduledTaskWorker.cs
+++ b/Emby.Server.Implementations/ScheduledTasks/ScheduledTaskWorker.cs
@@ -4,7 +4,6 @@ using System;
 using System.Globalization;
 using System.IO;
 using System.Linq;
-using System.Text;
 using System.Text.Json;
 using System.Threading;
 using System.Threading.Tasks;
@@ -178,7 +177,8 @@ namespace Emby.Server.Implementations.ScheduledTasks
                 lock (_lastExecutionResultSyncLock)
                 {
                     using FileStream createStream = new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.None);
-                    JsonSerializer.SerializeAsync(createStream, value, _jsonOptions);
+                    using Utf8JsonWriter jsonStream = new Utf8JsonWriter(createStream);
+                    JsonSerializer.Serialize(jsonStream, value, _jsonOptions);
                 }
             }
         }
@@ -301,12 +301,7 @@ namespace Emby.Server.Implementations.ScheduledTasks
         {
             get
             {
-                if (_id == null)
-                {
-                    _id = ScheduledTask.GetType().FullName.GetMD5().ToString("N", CultureInfo.InvariantCulture);
-                }
-
-                return _id;
+                return _id ??= ScheduledTask.GetType().FullName.GetMD5().ToString("N", CultureInfo.InvariantCulture);
             }
         }
 
@@ -348,9 +343,7 @@ namespace Emby.Server.Implementations.ScheduledTasks
         {
             var trigger = (ITaskTrigger)sender;
 
-            var configurableTask = ScheduledTask as IConfigurableScheduledTask;
-
-            if (configurableTask != null && !configurableTask.IsEnabled)
+            if (ScheduledTask is IConfigurableScheduledTask configurableTask && !configurableTask.IsEnabled)
             {
                 return;
             }
@@ -578,7 +571,8 @@ namespace Emby.Server.Implementations.ScheduledTasks
 
             Directory.CreateDirectory(Path.GetDirectoryName(path));
             using FileStream createStream = new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.None);
-            JsonSerializer.SerializeAsync(createStream, triggers, _jsonOptions);
+            using Utf8JsonWriter jsonWriter = new Utf8JsonWriter(createStream);
+            JsonSerializer.Serialize(jsonWriter, triggers, _jsonOptions);
         }
 
         /// <summary>
diff --git a/Emby.Server.Implementations/ScheduledTasks/Tasks/ChapterImagesTask.cs b/Emby.Server.Implementations/ScheduledTasks/Tasks/ChapterImagesTask.cs
index 649305fd5..2312c85d9 100644
--- a/Emby.Server.Implementations/ScheduledTasks/Tasks/ChapterImagesTask.cs
+++ b/Emby.Server.Implementations/ScheduledTasks/Tasks/ChapterImagesTask.cs
@@ -12,9 +12,9 @@ using MediaBrowser.Controller.MediaEncoding;
 using MediaBrowser.Controller.Persistence;
 using MediaBrowser.Controller.Providers;
 using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.Globalization;
 using MediaBrowser.Model.IO;
 using MediaBrowser.Model.Tasks;
-using MediaBrowser.Model.Globalization;
 
 namespace Emby.Server.Implementations.ScheduledTasks
 {
diff --git a/Emby.Server.Implementations/ScheduledTasks/Tasks/PeopleValidationTask.cs b/Emby.Server.Implementations/ScheduledTasks/Tasks/PeopleValidationTask.cs
index c384cf4bb..57d294a40 100644
--- a/Emby.Server.Implementations/ScheduledTasks/Tasks/PeopleValidationTask.cs
+++ b/Emby.Server.Implementations/ScheduledTasks/Tasks/PeopleValidationTask.cs
@@ -5,8 +5,8 @@ using System.Collections.Generic;
 using System.Threading;
 using System.Threading.Tasks;
 using MediaBrowser.Controller.Library;
-using MediaBrowser.Model.Tasks;
 using MediaBrowser.Model.Globalization;
+using MediaBrowser.Model.Tasks;
 
 namespace Emby.Server.Implementations.ScheduledTasks
 {
diff --git a/Emby.Server.Implementations/ScheduledTasks/Tasks/PluginUpdateTask.cs b/Emby.Server.Implementations/ScheduledTasks/Tasks/PluginUpdateTask.cs
index a69380cbb..11a5fb79f 100644
--- a/Emby.Server.Implementations/ScheduledTasks/Tasks/PluginUpdateTask.cs
+++ b/Emby.Server.Implementations/ScheduledTasks/Tasks/PluginUpdateTask.cs
@@ -9,7 +9,6 @@ using System.Threading;
 using System.Threading.Tasks;
 using MediaBrowser.Common.Updates;
 using MediaBrowser.Model.Globalization;
-using MediaBrowser.Model.Net;
 using MediaBrowser.Model.Tasks;
 using Microsoft.Extensions.Logging;
 
diff --git a/Emby.Server.Implementations/ScheduledTasks/Tasks/RefreshMediaLibraryTask.cs b/Emby.Server.Implementations/ScheduledTasks/Tasks/RefreshMediaLibraryTask.cs
index e470adcf4..51b620404 100644
--- a/Emby.Server.Implementations/ScheduledTasks/Tasks/RefreshMediaLibraryTask.cs
+++ b/Emby.Server.Implementations/ScheduledTasks/Tasks/RefreshMediaLibraryTask.cs
@@ -6,8 +6,8 @@ using System.Threading;
 using System.Threading.Tasks;
 using Emby.Server.Implementations.Library;
 using MediaBrowser.Controller.Library;
-using MediaBrowser.Model.Tasks;
 using MediaBrowser.Model.Globalization;
+using MediaBrowser.Model.Tasks;
 
 namespace Emby.Server.Implementations.ScheduledTasks
 {
diff --git a/Emby.Server.Implementations/Session/SessionManager.cs b/Emby.Server.Implementations/Session/SessionManager.cs
index 99d2947f0..2fb5040f9 100644
--- a/Emby.Server.Implementations/Session/SessionManager.cs
+++ b/Emby.Server.Implementations/Session/SessionManager.cs
@@ -1454,17 +1454,14 @@ namespace Emby.Server.Implementations.Session
                 user = _userManager.GetUserById(request.UserId);
             }
 
-            if (user == null)
-            {
-                user = _userManager.GetUserByName(request.Username);
-            }
+            user ??= _userManager.GetUserByName(request.Username);
 
             if (enforcePassword)
             {
                 user = await _userManager.AuthenticateUser(
                     request.Username,
                     request.Password,
-                    request.PasswordSha1,
+                    null,
                     request.RemoteEndPoint,
                     true).ConfigureAwait(false);
             }
diff --git a/Emby.Server.Implementations/Sorting/AiredEpisodeOrderComparer.cs b/Emby.Server.Implementations/Sorting/AiredEpisodeOrderComparer.cs
index 1f68a9c81..60698e803 100644
--- a/Emby.Server.Implementations/Sorting/AiredEpisodeOrderComparer.cs
+++ b/Emby.Server.Implementations/Sorting/AiredEpisodeOrderComparer.cs
@@ -131,11 +131,11 @@ namespace Emby.Server.Implementations.Sorting
             return GetSpecialCompareValue(x).CompareTo(GetSpecialCompareValue(y));
         }
 
-        private static int GetSpecialCompareValue(Episode item)
+        private static long GetSpecialCompareValue(Episode item)
         {
             // First sort by season number
             // Since there are three sort orders, pad with 9 digits (3 for each, figure 1000 episode buffer should be enough)
-            var val = (item.AirsAfterSeasonNumber ?? item.AirsBeforeSeasonNumber ?? 0) * 1000000000;
+            var val = (item.AirsAfterSeasonNumber ?? item.AirsBeforeSeasonNumber ?? 0) * 1000000000L;
 
             // Second sort order is if it airs after the season
             if (item.AirsAfterSeasonNumber.HasValue)
diff --git a/Emby.Server.Implementations/SyncPlay/SyncPlayManager.cs b/Emby.Server.Implementations/SyncPlay/SyncPlayManager.cs
index aee959c53..72c0a838e 100644
--- a/Emby.Server.Implementations/SyncPlay/SyncPlayManager.cs
+++ b/Emby.Server.Implementations/SyncPlay/SyncPlayManager.cs
@@ -87,7 +87,7 @@ namespace Emby.Server.Implementations.SyncPlay
             _sessionManager = sessionManager;
             _libraryManager = libraryManager;
             _logger = loggerFactory.CreateLogger<SyncPlayManager>();
-            _sessionManager.SessionControllerConnected += OnSessionControllerConnected;
+            _sessionManager.SessionEnded += OnSessionEnded;
         }
 
         /// <inheritdoc />
@@ -269,14 +269,17 @@ namespace Emby.Server.Implementations.SyncPlay
             var user = _userManager.GetUserById(session.UserId);
             List<GroupInfoDto> list = new List<GroupInfoDto>();
 
-            foreach (var group in _groups.Values)
+            lock (_groupsLock)
             {
-                // Locking required as group is not thread-safe.
-                lock (group)
+                foreach (var (_, group) in _groups)
                 {
-                    if (group.HasAccessToPlayQueue(user))
+                    // Locking required as group is not thread-safe.
+                    lock (group)
                     {
-                        list.Add(group.GetInfo());
+                        if (group.HasAccessToPlayQueue(user))
+                        {
+                            list.Add(group.GetInfo());
+                        }
                     }
                 }
             }
@@ -352,18 +355,18 @@ namespace Emby.Server.Implementations.SyncPlay
                 return;
             }
 
-            _sessionManager.SessionControllerConnected -= OnSessionControllerConnected;
+            _sessionManager.SessionEnded -= OnSessionEnded;
             _disposed = true;
         }
 
-        private void OnSessionControllerConnected(object sender, SessionEventArgs e)
+        private void OnSessionEnded(object sender, SessionEventArgs e)
         {
             var session = e.SessionInfo;
 
             if (_sessionToGroupMap.TryGetValue(session.Id, out var group))
             {
-                var request = new JoinGroupRequest(group.GroupId);
-                JoinGroup(session, request, CancellationToken.None);
+                var leaveGroupRequest = new LeaveGroupRequest();
+                LeaveGroup(session, leaveGroupRequest, CancellationToken.None);
             }
         }
 
diff --git a/Emby.Server.Implementations/TV/TVSeriesManager.cs b/Emby.Server.Implementations/TV/TVSeriesManager.cs
index 839b62448..829df64bf 100644
--- a/Emby.Server.Implementations/TV/TVSeriesManager.cs
+++ b/Emby.Server.Implementations/TV/TVSeriesManager.cs
@@ -2,7 +2,6 @@
 
 using System;
 using System.Collections.Generic;
-using System.Globalization;
 using System.Linq;
 using Jellyfin.Data.Entities;
 using Jellyfin.Data.Enums;
@@ -11,7 +10,6 @@ using MediaBrowser.Controller.Dto;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.TV;
-using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.Querying;
 using Episode = MediaBrowser.Controller.Entities.TV.Episode;
 using Series = MediaBrowser.Controller.Entities.TV.Series;
@@ -23,12 +21,14 @@ namespace Emby.Server.Implementations.TV
         private readonly IUserManager _userManager;
         private readonly IUserDataManager _userDataManager;
         private readonly ILibraryManager _libraryManager;
+        private readonly IServerConfigurationManager _configurationManager;
 
-        public TVSeriesManager(IUserManager userManager, IUserDataManager userDataManager, ILibraryManager libraryManager)
+        public TVSeriesManager(IUserManager userManager, IUserDataManager userDataManager, ILibraryManager libraryManager, IServerConfigurationManager configurationManager)
         {
             _userManager = userManager;
             _userDataManager = userDataManager;
             _libraryManager = libraryManager;
+            _configurationManager = configurationManager;
         }
 
         public QueryResult<BaseItem> GetNextUp(NextUpQuery request, DtoOptions dtoOptions)
@@ -43,9 +43,7 @@ namespace Emby.Server.Implementations.TV
             string presentationUniqueKey = null;
             if (!string.IsNullOrEmpty(request.SeriesId))
             {
-                var series = _libraryManager.GetItemById(request.SeriesId) as Series;
-
-                if (series != null)
+                if (_libraryManager.GetItemById(request.SeriesId) is Series series)
                 {
                     presentationUniqueKey = GetUniqueSeriesKey(series);
                 }
@@ -95,9 +93,7 @@ namespace Emby.Server.Implementations.TV
             int? limit = null;
             if (!string.IsNullOrEmpty(request.SeriesId))
             {
-                var series = _libraryManager.GetItemById(request.SeriesId) as Series;
-
-                if (series != null)
+                if (_libraryManager.GetItemById(request.SeriesId) is Series series)
                 {
                     presentationUniqueKey = GetUniqueSeriesKey(series);
                     limit = 1;
@@ -200,13 +196,10 @@ namespace Emby.Server.Implementations.TV
                 ParentIndexNumberNotEquals = 0,
                 DtoOptions = new DtoOptions
                 {
-                    Fields = new ItemFields[]
-                    {
-                        ItemFields.SortName
-                    },
+                    Fields = new[] { ItemFields.SortName },
                     EnableImages = false
                 }
-            }).FirstOrDefault();
+            }).Cast<Episode>().FirstOrDefault();
 
             Func<Episode> getEpisode = () =>
             {
@@ -224,6 +217,43 @@ namespace Emby.Server.Implementations.TV
                     DtoOptions = dtoOptions
                 }).Cast<Episode>().FirstOrDefault();
 
+                if (_configurationManager.Configuration.DisplaySpecialsWithinSeasons)
+                {
+                    var consideredEpisodes = _libraryManager.GetItemList(new InternalItemsQuery(user)
+                    {
+                        AncestorWithPresentationUniqueKey = null,
+                        SeriesPresentationUniqueKey = seriesKey,
+                        ParentIndexNumber = 0,
+                        IncludeItemTypes = new[] { nameof(Episode) },
+                        IsPlayed = false,
+                        IsVirtualItem = false,
+                        DtoOptions = dtoOptions
+                    })
+                    .Cast<Episode>()
+                    .Where(episode => episode.AirsBeforeSeasonNumber != null || episode.AirsAfterSeasonNumber != null)
+                    .ToList();
+
+                    if (lastWatchedEpisode != null)
+                    {
+                        // Last watched episode is added, because there could be specials that aired before the last watched episode
+                        consideredEpisodes.Add(lastWatchedEpisode);
+                    }
+
+                    if (nextEpisode != null)
+                    {
+                        consideredEpisodes.Add(nextEpisode);
+                    }
+
+                    var sortedConsideredEpisodes = _libraryManager.Sort(consideredEpisodes, user, new[] { (ItemSortBy.AiredEpisodeOrder, SortOrder.Ascending) })
+                        .Cast<Episode>();
+                    if (lastWatchedEpisode != null)
+                    {
+                        sortedConsideredEpisodes = sortedConsideredEpisodes.SkipWhile(episode => episode.Id != lastWatchedEpisode.Id).Skip(1);
+                    }
+
+                    nextEpisode = sortedConsideredEpisodes.FirstOrDefault();
+                }
+
                 if (nextEpisode != null)
                 {
                     var userData = _userDataManager.GetUserData(user, nextEpisode);
diff --git a/Emby.Server.Implementations/Udp/UdpServer.cs b/Emby.Server.Implementations/Udp/UdpServer.cs
index d01184e0b..db5265e79 100644
--- a/Emby.Server.Implementations/Udp/UdpServer.cs
+++ b/Emby.Server.Implementations/Udp/UdpServer.cs
@@ -53,12 +53,7 @@ namespace Emby.Server.Implementations.Udp
 
             if (!string.IsNullOrEmpty(localUrl))
             {
-                var response = new ServerDiscoveryInfo
-                {
-                    Address = localUrl,
-                    Id = _appHost.SystemId,
-                    Name = _appHost.FriendlyName
-                };
+                var response = new ServerDiscoveryInfo(localUrl, _appHost.SystemId, _appHost.FriendlyName);
 
                 try
                 {
diff --git a/Emby.Server.Implementations/Updates/InstallationManager.cs b/Emby.Server.Implementations/Updates/InstallationManager.cs
index fc34f93cd..653b1381b 100644
--- a/Emby.Server.Implementations/Updates/InstallationManager.cs
+++ b/Emby.Server.Implementations/Updates/InstallationManager.cs
@@ -22,6 +22,7 @@ using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Events;
 using MediaBrowser.Controller.Events.Updates;
 using MediaBrowser.Model.IO;
+using MediaBrowser.Model.Plugins;
 using MediaBrowser.Model.Updates;
 using Microsoft.Extensions.Logging;
 
@@ -194,7 +195,7 @@ namespace Emby.Server.Implementations.Updates
                             var plugin = _pluginManager.GetPlugin(packageGuid, version.VersionNumber);
                             if (plugin != null)
                             {
-                                await _pluginManager.GenerateManifest(package, version.VersionNumber, plugin.Path);
+                                await _pluginManager.GenerateManifest(package, version.VersionNumber, plugin.Path, plugin.Manifest.Status).ConfigureAwait(false);
                             }
 
                             // Remove versions with a target ABI greater then the current application version.
@@ -500,7 +501,8 @@ namespace Emby.Server.Implementations.Updates
             var plugins = _pluginManager.Plugins;
             foreach (var plugin in plugins)
             {
-                if (plugin.Manifest?.AutoUpdate == false)
+                // Don't auto update when plugin marked not to, or when it's disabled.
+                if (plugin.Manifest?.AutoUpdate == false || plugin.Manifest?.Status == PluginStatus.Disabled)
                 {
                     continue;
                 }
@@ -515,7 +517,7 @@ namespace Emby.Server.Implementations.Updates
             }
         }
 
-        private async Task PerformPackageInstallation(InstallationInfo package, CancellationToken cancellationToken)
+        private async Task PerformPackageInstallation(InstallationInfo package, PluginStatus status, CancellationToken cancellationToken)
         {
             var extension = Path.GetExtension(package.SourceUrl);
             if (!string.Equals(extension, ".zip", StringComparison.OrdinalIgnoreCase))
@@ -567,7 +569,7 @@ namespace Emby.Server.Implementations.Updates
 
             stream.Position = 0;
             _zipClient.ExtractAllFromZip(stream, targetDir, true);
-            await _pluginManager.GenerateManifest(package.PackageInfo, package.Version, targetDir);
+            await _pluginManager.GenerateManifest(package.PackageInfo, package.Version, targetDir, status).ConfigureAwait(false);
             _pluginManager.ImportPluginFrom(targetDir);
         }
 
@@ -576,7 +578,7 @@ namespace Emby.Server.Implementations.Updates
             LocalPlugin? plugin = _pluginManager.Plugins.FirstOrDefault(p => p.Id.Equals(package.Id) && p.Version.Equals(package.Version))
                   ?? _pluginManager.Plugins.FirstOrDefault(p => p.Name.Equals(package.Name, StringComparison.OrdinalIgnoreCase) && p.Version.Equals(package.Version));
 
-            await PerformPackageInstallation(package, cancellationToken).ConfigureAwait(false);
+            await PerformPackageInstallation(package, plugin?.Manifest.Status ?? PluginStatus.Active, cancellationToken).ConfigureAwait(false);
             _logger.LogInformation(plugin == null ? "New plugin installed: {PluginName} {PluginVersion}" : "Plugin updated: {PluginName} {PluginVersion}", package.Name, package.Version);
 
             return plugin != null;