Merge remote-tracking branch 'upstream/master' into quickconnect

39 files changed, 481 insertions, 1011 deletions

diff --git a/Emby.Server.Implementations/ApplicationHost.cs b/Emby.Server.Implementations/ApplicationHost.cs
index 12419fcbf..66556316b 100644
--- a/Emby.Server.Implementations/ApplicationHost.cs
+++ b/Emby.Server.Implementations/ApplicationHost.cs
@@ -4,7 +4,6 @@ using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Diagnostics;
-using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Net;
@@ -46,7 +45,7 @@ using Emby.Server.Implementations.Session;
 using Emby.Server.Implementations.SyncPlay;
 using Emby.Server.Implementations.TV;
 using Emby.Server.Implementations.Updates;
-using MediaBrowser.Api;
+using Jellyfin.Api.Helpers;
 using MediaBrowser.Common;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Common.Events;
@@ -98,7 +97,6 @@ using MediaBrowser.Providers.Chapters;
 using MediaBrowser.Providers.Manager;
 using MediaBrowser.Providers.Plugins.TheTvdb;
 using MediaBrowser.Providers.Subtitles;
-using MediaBrowser.WebDashboard.Api;
 using MediaBrowser.XbmcMetadata.Providers;
 using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.DependencyInjection;
@@ -556,8 +554,6 @@ namespace Emby.Server.Implementations
             serviceCollection.AddSingleton<IUserDataRepository, SqliteUserDataRepository>();
             serviceCollection.AddSingleton<IUserDataManager, UserDataManager>();
 
-            serviceCollection.AddSingleton<IDisplayPreferencesRepository, SqliteDisplayPreferencesRepository>();
-
             serviceCollection.AddSingleton<IItemRepository, SqliteItemRepository>();
 
             serviceCollection.AddSingleton<IAuthenticationRepository, AuthenticationRepository>();
@@ -637,6 +633,8 @@ namespace Emby.Server.Implementations
             serviceCollection.AddSingleton<EncodingHelper>();
 
             serviceCollection.AddSingleton<IAttachmentExtractor, MediaBrowser.MediaEncoding.Attachments.AttachmentExtractor>();
+
+            serviceCollection.AddSingleton<TranscodingJobHelper>();
         }
 
         /// <summary>
@@ -653,7 +651,6 @@ namespace Emby.Server.Implementations
             _httpServer = Resolve<IHttpServer>();
             _httpClient = Resolve<IHttpClient>();
 
-            ((SqliteDisplayPreferencesRepository)Resolve<IDisplayPreferencesRepository>()).Initialize();
             ((AuthenticationRepository)Resolve<IAuthenticationRepository>()).Initialize();
 
             SetStaticProperties();
@@ -1037,12 +1034,6 @@ namespace Emby.Server.Implementations
                 }
             }
 
-            // Include composable parts in the Api assembly
-            yield return typeof(ApiEntryPoint).Assembly;
-
-            // Include composable parts in the Dashboard assembly
-            yield return typeof(DashboardService).Assembly;
-
             // Include composable parts in the Model assembly
             yield return typeof(SystemInfo).Assembly;
 
diff --git a/Emby.Server.Implementations/Browser/BrowserLauncher.cs b/Emby.Server.Implementations/Browser/BrowserLauncher.cs
index 7a0294e07..f8108d1c2 100644
--- a/Emby.Server.Implementations/Browser/BrowserLauncher.cs
+++ b/Emby.Server.Implementations/Browser/BrowserLauncher.cs
@@ -1,5 +1,7 @@
 using System;
 using MediaBrowser.Controller;
+using MediaBrowser.Controller.Configuration;
+using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Logging;
 
 namespace Emby.Server.Implementations.Browser
@@ -24,7 +26,7 @@ namespace Emby.Server.Implementations.Browser
         /// <param name="appHost">The app host.</param>
         public static void OpenSwaggerPage(IServerApplicationHost appHost)
         {
-            TryOpenUrl(appHost, "/swagger/index.html");
+            TryOpenUrl(appHost, "/api-docs/swagger");
         }
 
         /// <summary>
diff --git a/Emby.Server.Implementations/Channels/ChannelManager.cs b/Emby.Server.Implementations/Channels/ChannelManager.cs
index c803d9d82..d8ab1f1a1 100644
--- a/Emby.Server.Implementations/Channels/ChannelManager.cs
+++ b/Emby.Server.Implementations/Channels/ChannelManager.cs
@@ -1,5 +1,4 @@
 using System;
-using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Globalization;
 using System.IO;
@@ -7,6 +6,7 @@ using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 using Jellyfin.Data.Entities;
+using Jellyfin.Data.Enums;
 using MediaBrowser.Common.Extensions;
 using MediaBrowser.Common.Progress;
 using MediaBrowser.Controller.Channels;
@@ -22,6 +22,7 @@ using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.IO;
 using MediaBrowser.Model.Querying;
 using MediaBrowser.Model.Serialization;
+using Microsoft.Extensions.Caching.Memory;
 using Microsoft.Extensions.Logging;
 using Episode = MediaBrowser.Controller.Entities.TV.Episode;
 using Movie = MediaBrowser.Controller.Entities.Movies.Movie;
@@ -45,10 +46,7 @@ namespace Emby.Server.Implementations.Channels
         private readonly IFileSystem _fileSystem;
         private readonly IJsonSerializer _jsonSerializer;
         private readonly IProviderManager _providerManager;
-
-        private readonly ConcurrentDictionary<string, Tuple<DateTime, List<MediaSourceInfo>>> _channelItemMediaInfo =
-            new ConcurrentDictionary<string, Tuple<DateTime, List<MediaSourceInfo>>>();
-
+        private readonly IMemoryCache _memoryCache;
         private readonly SemaphoreSlim _resourcePool = new SemaphoreSlim(1, 1);
 
         /// <summary>
@@ -63,6 +61,7 @@ namespace Emby.Server.Implementations.Channels
         /// <param name="userDataManager">The user data manager.</param>
         /// <param name="jsonSerializer">The JSON serializer.</param>
         /// <param name="providerManager">The provider manager.</param>
+        /// <param name="memoryCache">The memory cache.</param>
         public ChannelManager(
             IUserManager userManager,
             IDtoService dtoService,
@@ -72,7 +71,8 @@ namespace Emby.Server.Implementations.Channels
             IFileSystem fileSystem,
             IUserDataManager userDataManager,
             IJsonSerializer jsonSerializer,
-            IProviderManager providerManager)
+            IProviderManager providerManager,
+            IMemoryCache memoryCache)
         {
             _userManager = userManager;
             _dtoService = dtoService;
@@ -83,6 +83,7 @@ namespace Emby.Server.Implementations.Channels
             _userDataManager = userDataManager;
             _jsonSerializer = jsonSerializer;
             _providerManager = providerManager;
+            _memoryCache = memoryCache;
         }
 
         internal IChannel[] Channels { get; private set; }
@@ -417,20 +418,15 @@ namespace Emby.Server.Implementations.Channels
 
         private async Task<IEnumerable<MediaSourceInfo>> GetChannelItemMediaSourcesInternal(IRequiresMediaInfoCallback channel, string id, CancellationToken cancellationToken)
         {
-            if (_channelItemMediaInfo.TryGetValue(id, out Tuple<DateTime, List<MediaSourceInfo>> cachedInfo))
+            if (_memoryCache.TryGetValue(id, out List<MediaSourceInfo> cachedInfo))
             {
-                if ((DateTime.UtcNow - cachedInfo.Item1).TotalMinutes < 5)
-                {
-                    return cachedInfo.Item2;
-                }
+                return cachedInfo;
             }
 
             var mediaInfo = await channel.GetChannelItemMediaInfo(id, cancellationToken)
                    .ConfigureAwait(false);
             var list = mediaInfo.ToList();
-
-            var item2 = new Tuple<DateTime, List<MediaSourceInfo>>(DateTime.UtcNow, list);
-            _channelItemMediaInfo.AddOrUpdate(id, item2, (key, oldValue) => item2);
+            _memoryCache.Set(id, list, DateTimeOffset.UtcNow.AddMinutes(5));
 
             return list;
         }
diff --git a/Emby.Server.Implementations/Data/SqliteDisplayPreferencesRepository.cs b/Emby.Server.Implementations/Data/SqliteDisplayPreferencesRepository.cs
deleted file mode 100644
index 5597155a8..000000000
--- a/Emby.Server.Implementations/Data/SqliteDisplayPreferencesRepository.cs
+++ /dev/null
@@ -1,225 +0,0 @@
-#pragma warning disable CS1591
-
-using System;
-using System.Collections.Generic;
-using System.Globalization;
-using System.IO;
-using System.Text.Json;
-using System.Threading;
-using MediaBrowser.Common.Configuration;
-using MediaBrowser.Common.Extensions;
-using MediaBrowser.Common.Json;
-using MediaBrowser.Controller.Persistence;
-using MediaBrowser.Model.Entities;
-using MediaBrowser.Model.IO;
-using Microsoft.Extensions.Logging;
-using SQLitePCL.pretty;
-
-namespace Emby.Server.Implementations.Data
-{
-    /// <summary>
-    /// Class SQLiteDisplayPreferencesRepository.
-    /// </summary>
-    public class SqliteDisplayPreferencesRepository : BaseSqliteRepository, IDisplayPreferencesRepository
-    {
-        private readonly IFileSystem _fileSystem;
-
-        private readonly JsonSerializerOptions _jsonOptions;
-
-        public SqliteDisplayPreferencesRepository(ILogger<SqliteDisplayPreferencesRepository> logger, IApplicationPaths appPaths, IFileSystem fileSystem)
-            : base(logger)
-        {
-            _fileSystem = fileSystem;
-
-            _jsonOptions = JsonDefaults.GetOptions();
-
-            DbFilePath = Path.Combine(appPaths.DataPath, "displaypreferences.db");
-        }
-
-        /// <summary>
-        /// Gets the name of the repository.
-        /// </summary>
-        /// <value>The name.</value>
-        public string Name => "SQLite";
-
-        public void Initialize()
-        {
-            try
-            {
-                InitializeInternal();
-            }
-            catch (Exception ex)
-            {
-                Logger.LogError(ex, "Error loading database file. Will reset and retry.");
-
-                _fileSystem.DeleteFile(DbFilePath);
-
-                InitializeInternal();
-            }
-        }
-
-        /// <summary>
-        /// Opens the connection to the database.
-        /// </summary>
-        /// <returns>Task.</returns>
-        private void InitializeInternal()
-        {
-            string[] queries =
-            {
-                "create table if not exists userdisplaypreferences (id GUID NOT NULL, userId GUID NOT NULL, client text NOT NULL, data BLOB NOT NULL)",
-                "create unique index if not exists userdisplaypreferencesindex on userdisplaypreferences (id, userId, client)"
-            };
-
-            using (var connection = GetConnection())
-            {
-                connection.RunQueries(queries);
-            }
-        }
-
-        /// <summary>
-        /// Save the display preferences associated with an item in the repo.
-        /// </summary>
-        /// <param name="displayPreferences">The display preferences.</param>
-        /// <param name="userId">The user id.</param>
-        /// <param name="client">The client.</param>
-        /// <param name="cancellationToken">The cancellation token.</param>
-        /// <exception cref="ArgumentNullException">item</exception>
-        public void SaveDisplayPreferences(DisplayPreferences displayPreferences, Guid userId, string client, CancellationToken cancellationToken)
-        {
-            if (displayPreferences == null)
-            {
-                throw new ArgumentNullException(nameof(displayPreferences));
-            }
-
-            if (string.IsNullOrEmpty(displayPreferences.Id))
-            {
-                throw new ArgumentException("Display preferences has an invalid Id", nameof(displayPreferences));
-            }
-
-            cancellationToken.ThrowIfCancellationRequested();
-
-            using (var connection = GetConnection())
-            {
-                connection.RunInTransaction(
-                    db => SaveDisplayPreferences(displayPreferences, userId, client, db),
-                    TransactionMode);
-            }
-        }
-
-        private void SaveDisplayPreferences(DisplayPreferences displayPreferences, Guid userId, string client, IDatabaseConnection connection)
-        {
-            var serialized = JsonSerializer.SerializeToUtf8Bytes(displayPreferences, _jsonOptions);
-
-            using (var statement = connection.PrepareStatement("replace into userdisplaypreferences (id, userid, client, data) values (@id, @userId, @client, @data)"))
-            {
-                statement.TryBind("@id", new Guid(displayPreferences.Id).ToByteArray());
-                statement.TryBind("@userId", userId.ToByteArray());
-                statement.TryBind("@client", client);
-                statement.TryBind("@data", serialized);
-
-                statement.MoveNext();
-            }
-        }
-
-        /// <summary>
-        /// Save all display preferences associated with a user in the repo.
-        /// </summary>
-        /// <param name="displayPreferences">The display preferences.</param>
-        /// <param name="userId">The user id.</param>
-        /// <param name="cancellationToken">The cancellation token.</param>
-        /// <exception cref="ArgumentNullException">item</exception>
-        public void SaveAllDisplayPreferences(IEnumerable<DisplayPreferences> displayPreferences, Guid userId, CancellationToken cancellationToken)
-        {
-            if (displayPreferences == null)
-            {
-                throw new ArgumentNullException(nameof(displayPreferences));
-            }
-
-            cancellationToken.ThrowIfCancellationRequested();
-
-            using (var connection = GetConnection())
-            {
-                connection.RunInTransaction(
-                    db =>
-                    {
-                        foreach (var displayPreference in displayPreferences)
-                        {
-                            SaveDisplayPreferences(displayPreference, userId, displayPreference.Client, db);
-                        }
-                    },
-                    TransactionMode);
-            }
-        }
-
-        /// <summary>
-        /// Gets the display preferences.
-        /// </summary>
-        /// <param name="displayPreferencesId">The display preferences id.</param>
-        /// <param name="userId">The user id.</param>
-        /// <param name="client">The client.</param>
-        /// <returns>Task{DisplayPreferences}.</returns>
-        /// <exception cref="ArgumentNullException">item</exception>
-        public DisplayPreferences GetDisplayPreferences(string displayPreferencesId, Guid userId, string client)
-        {
-            if (string.IsNullOrEmpty(displayPreferencesId))
-            {
-                throw new ArgumentNullException(nameof(displayPreferencesId));
-            }
-
-            var guidId = displayPreferencesId.GetMD5();
-
-            using (var connection = GetConnection(true))
-            {
-                using (var statement = connection.PrepareStatement("select data from userdisplaypreferences where id = @id and userId=@userId and client=@client"))
-                {
-                    statement.TryBind("@id", guidId.ToByteArray());
-                    statement.TryBind("@userId", userId.ToByteArray());
-                    statement.TryBind("@client", client);
-
-                    foreach (var row in statement.ExecuteQuery())
-                    {
-                        return Get(row);
-                    }
-                }
-            }
-
-            return new DisplayPreferences
-            {
-                Id = guidId.ToString("N", CultureInfo.InvariantCulture)
-            };
-        }
-
-        /// <summary>
-        /// Gets all display preferences for the given user.
-        /// </summary>
-        /// <param name="userId">The user id.</param>
-        /// <returns>Task{DisplayPreferences}.</returns>
-        /// <exception cref="ArgumentNullException">item</exception>
-        public IEnumerable<DisplayPreferences> GetAllDisplayPreferences(Guid userId)
-        {
-            var list = new List<DisplayPreferences>();
-
-            using (var connection = GetConnection(true))
-            using (var statement = connection.PrepareStatement("select data from userdisplaypreferences where userId=@userId"))
-            {
-                statement.TryBind("@userId", userId.ToByteArray());
-
-                foreach (var row in statement.ExecuteQuery())
-                {
-                    list.Add(Get(row));
-                }
-            }
-
-            return list;
-        }
-
-        private DisplayPreferences Get(IReadOnlyList<IResultSetValue> row)
-            => JsonSerializer.Deserialize<DisplayPreferences>(row[0].ToBlob(), _jsonOptions);
-
-        public void SaveDisplayPreferences(DisplayPreferences displayPreferences, string userId, string client, CancellationToken cancellationToken)
-            => SaveDisplayPreferences(displayPreferences, new Guid(userId), client, cancellationToken);
-
-        public DisplayPreferences GetDisplayPreferences(string displayPreferencesId, string userId, string client)
-            => GetDisplayPreferences(displayPreferencesId, new Guid(userId), client);
-    }
-}
diff --git a/Emby.Server.Implementations/Data/SqliteItemRepository.cs b/Emby.Server.Implementations/Data/SqliteItemRepository.cs
index 9f5566424..d11e5e62e 100644
--- a/Emby.Server.Implementations/Data/SqliteItemRepository.cs
+++ b/Emby.Server.Implementations/Data/SqliteItemRepository.cs
@@ -9,6 +9,7 @@ using System.Text;
 using System.Text.Json;
 using System.Threading;
 using Emby.Server.Implementations.Playlists;
+using Jellyfin.Data.Enums;
 using MediaBrowser.Common.Extensions;
 using MediaBrowser.Common.Json;
 using MediaBrowser.Controller;
@@ -400,6 +401,8 @@ namespace Emby.Server.Implementations.Data
             "OwnerId"
         };
 
+        private static readonly string _retriveItemColumnsSelectQuery = $"select {string.Join(',', _retriveItemColumns)} from TypedBaseItems where guid = @guid";
+
         private static readonly string[] _mediaStreamSaveColumns =
         {
             "ItemId",
@@ -439,6 +442,12 @@ namespace Emby.Server.Implementations.Data
             "ColorTransfer"
         };
 
+        private static readonly string _mediaStreamSaveColumnsInsertQuery =
+            $"insert into mediastreams ({string.Join(',', _mediaStreamSaveColumns)}) values ";
+
+        private static readonly string _mediaStreamSaveColumnsSelectQuery =
+            $"select {string.Join(',', _mediaStreamSaveColumns)} from mediastreams where ItemId=@ItemId";
+
         private static readonly string[] _mediaAttachmentSaveColumns =
         {
             "ItemId",
@@ -450,102 +459,15 @@ namespace Emby.Server.Implementations.Data
             "MIMEType"
         };
 
-        private static readonly string _mediaAttachmentInsertPrefix;
-
-        private static string GetSaveItemCommandText()
-        {
-            var saveColumns = new[]
-            {
-                "guid",
-                "type",
-                "data",
-                "Path",
-                "StartDate",
-                "EndDate",
-                "ChannelId",
-                "IsMovie",
-                "IsSeries",
-                "EpisodeTitle",
-                "IsRepeat",
-                "CommunityRating",
-                "CustomRating",
-                "IndexNumber",
-                "IsLocked",
-                "Name",
-                "OfficialRating",
-                "MediaType",
-                "Overview",
-                "ParentIndexNumber",
-                "PremiereDate",
-                "ProductionYear",
-                "ParentId",
-                "Genres",
-                "InheritedParentalRatingValue",
-                "SortName",
-                "ForcedSortName",
-                "RunTimeTicks",
-                "Size",
-                "DateCreated",
-                "DateModified",
-                "PreferredMetadataLanguage",
-                "PreferredMetadataCountryCode",
-                "Width",
-                "Height",
-                "DateLastRefreshed",
-                "DateLastSaved",
-                "IsInMixedFolder",
-                "LockedFields",
-                "Studios",
-                "Audio",
-                "ExternalServiceId",
-                "Tags",
-                "IsFolder",
-                "UnratedType",
-                "TopParentId",
-                "TrailerTypes",
-                "CriticRating",
-                "CleanName",
-                "PresentationUniqueKey",
-                "OriginalTitle",
-                "PrimaryVersionId",
-                "DateLastMediaAdded",
-                "Album",
-                "IsVirtualItem",
-                "SeriesName",
-                "UserDataKey",
-                "SeasonName",
-                "SeasonId",
-                "SeriesId",
-                "ExternalSeriesId",
-                "Tagline",
-                "ProviderIds",
-                "Images",
-                "ProductionLocations",
-                "ExtraIds",
-                "TotalBitrate",
-                "ExtraType",
-                "Artists",
-                "AlbumArtists",
-                "ExternalId",
-                "SeriesPresentationUniqueKey",
-                "ShowId",
-                "OwnerId"
-            };
-
-            var saveItemCommandCommandText = "replace into TypedBaseItems (" + string.Join(",", saveColumns) + ") values (";
+        private static readonly string _mediaAttachmentSaveColumnsSelectQuery =
+            $"select {string.Join(',', _mediaAttachmentSaveColumns)} from mediaattachments where ItemId=@ItemId";
 
-            for (var i = 0; i < saveColumns.Length; i++)
-            {
-                if (i != 0)
-                {
-                    saveItemCommandCommandText += ",";
-                }
-
-                saveItemCommandCommandText += "@" + saveColumns[i];
-            }
+        private static readonly string _mediaAttachmentInsertPrefix;
 
-            return saveItemCommandCommandText + ")";
-        }
+        private const string SaveItemCommandText =
+            @"replace into TypedBaseItems
+            (guid,type,data,Path,StartDate,EndDate,ChannelId,IsMovie,IsSeries,EpisodeTitle,IsRepeat,CommunityRating,CustomRating,IndexNumber,IsLocked,Name,OfficialRating,MediaType,Overview,ParentIndexNumber,PremiereDate,ProductionYear,ParentId,Genres,InheritedParentalRatingValue,SortName,ForcedSortName,RunTimeTicks,Size,DateCreated,DateModified,PreferredMetadataLanguage,PreferredMetadataCountryCode,Width,Height,DateLastRefreshed,DateLastSaved,IsInMixedFolder,LockedFields,Studios,Audio,ExternalServiceId,Tags,IsFolder,UnratedType,TopParentId,TrailerTypes,CriticRating,CleanName,PresentationUniqueKey,OriginalTitle,PrimaryVersionId,DateLastMediaAdded,Album,IsVirtualItem,SeriesName,UserDataKey,SeasonName,SeasonId,SeriesId,ExternalSeriesId,Tagline,ProviderIds,Images,ProductionLocations,ExtraIds,TotalBitrate,ExtraType,Artists,AlbumArtists,ExternalId,SeriesPresentationUniqueKey,ShowId,OwnerId)
+            values (@guid,@type,@data,@Path,@StartDate,@EndDate,@ChannelId,@IsMovie,@IsSeries,@EpisodeTitle,@IsRepeat,@CommunityRating,@CustomRating,@IndexNumber,@IsLocked,@Name,@OfficialRating,@MediaType,@Overview,@ParentIndexNumber,@PremiereDate,@ProductionYear,@ParentId,@Genres,@InheritedParentalRatingValue,@SortName,@ForcedSortName,@RunTimeTicks,@Size,@DateCreated,@DateModified,@PreferredMetadataLanguage,@PreferredMetadataCountryCode,@Width,@Height,@DateLastRefreshed,@DateLastSaved,@IsInMixedFolder,@LockedFields,@Studios,@Audio,@ExternalServiceId,@Tags,@IsFolder,@UnratedType,@TopParentId,@TrailerTypes,@CriticRating,@CleanName,@PresentationUniqueKey,@OriginalTitle,@PrimaryVersionId,@DateLastMediaAdded,@Album,@IsVirtualItem,@SeriesName,@UserDataKey,@SeasonName,@SeasonId,@SeriesId,@ExternalSeriesId,@Tagline,@ProviderIds,@Images,@ProductionLocations,@ExtraIds,@TotalBitrate,@ExtraType,@Artists,@AlbumArtists,@ExternalId,@SeriesPresentationUniqueKey,@ShowId,@OwnerId)";
 
         /// <summary>
         /// Save a standard item in the repo.
@@ -636,7 +558,7 @@ namespace Emby.Server.Implementations.Data
         {
             var statements = PrepareAll(db, new string[]
             {
-                GetSaveItemCommandText(),
+                SaveItemCommandText,
                 "delete from AncestorIds where ItemId=@ItemId"
             }).ToList();
 
@@ -1056,7 +978,10 @@ namespace Emby.Server.Implementations.Data
                     continue;
                 }
 
-                str.Append($"{i.Key}={i.Value}|");
+                str.Append(i.Key)
+                    .Append('=')
+                    .Append(i.Value)
+                    .Append('|');
             }
 
             if (str.Length == 0)
@@ -1110,8 +1035,8 @@ namespace Emby.Server.Implementations.Data
                     continue;
                 }
 
-                str.Append(ToValueString(i))
-                    .Append('|');
+                AppendItemImageInfo(str, i);
+                str.Append('|');
             }
 
             str.Length -= 1; // Remove last |
@@ -1145,26 +1070,26 @@ namespace Emby.Server.Implementations.Data
             item.ImageInfos = list.ToArray();
         }
 
-        public string ToValueString(ItemImageInfo image)
+        public void AppendItemImageInfo(StringBuilder bldr, ItemImageInfo image)
         {
-            const string Delimeter = "*";
+            const char Delimiter = '*';
 
             var path = image.Path ?? string.Empty;
             var hash = image.BlurHash ?? string.Empty;
 
-            return GetPathToSave(path) +
-                   Delimeter +
-                   image.DateModified.Ticks.ToString(CultureInfo.InvariantCulture) +
-                   Delimeter +
-                   image.Type +
-                   Delimeter +
-                   image.Width.ToString(CultureInfo.InvariantCulture) +
-                   Delimeter +
-                   image.Height.ToString(CultureInfo.InvariantCulture) +
-                   Delimeter +
-                   // Replace delimiters with other characters.
-                   // This can be removed when we migrate to a proper DB.
-                   hash.Replace('*', '/').Replace('|', '\\');
+            bldr.Append(GetPathToSave(path))
+                .Append(Delimiter)
+                .Append(image.DateModified.Ticks)
+                .Append(Delimiter)
+                .Append(image.Type)
+                .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('|', '\\'));
         }
 
         public ItemImageInfo ItemImageInfoFromValueString(string value)
@@ -1226,7 +1151,7 @@ namespace Emby.Server.Implementations.Data
 
             using (var connection = GetConnection(true))
             {
-                using (var statement = PrepareStatement(connection, "select " + string.Join(",", _retriveItemColumns) + " from TypedBaseItems where guid = @guid"))
+                using (var statement = PrepareStatement(connection, _retriveItemColumnsSelectQuery))
                 {
                     statement.TryBind("@guid", id);
 
@@ -2776,82 +2701,82 @@ namespace Emby.Server.Implementations.Data
 
         private string FixUnicodeChars(string buffer)
         {
-            if (buffer.IndexOf('\u2013') > -1)
+            if (buffer.IndexOf('\u2013', StringComparison.Ordinal) > -1)
             {
                 buffer = buffer.Replace('\u2013', '-'); // en dash
             }
 
-            if (buffer.IndexOf('\u2014') > -1)
+            if (buffer.IndexOf('\u2014', StringComparison.Ordinal) > -1)
             {
                 buffer = buffer.Replace('\u2014', '-'); // em dash
             }
 
-            if (buffer.IndexOf('\u2015') > -1)
+            if (buffer.IndexOf('\u2015', StringComparison.Ordinal) > -1)
             {
                 buffer = buffer.Replace('\u2015', '-'); // horizontal bar
             }
 
-            if (buffer.IndexOf('\u2017') > -1)
+            if (buffer.IndexOf('\u2017', StringComparison.Ordinal) > -1)
             {
                 buffer = buffer.Replace('\u2017', '_'); // double low line
             }
 
-            if (buffer.IndexOf('\u2018') > -1)
+            if (buffer.IndexOf('\u2018', StringComparison.Ordinal) > -1)
             {
                 buffer = buffer.Replace('\u2018', '\''); // left single quotation mark
             }
 
-            if (buffer.IndexOf('\u2019') > -1)
+            if (buffer.IndexOf('\u2019', StringComparison.Ordinal) > -1)
             {
                 buffer = buffer.Replace('\u2019', '\''); // right single quotation mark
             }
 
-            if (buffer.IndexOf('\u201a') > -1)
+            if (buffer.IndexOf('\u201a', StringComparison.Ordinal) > -1)
             {
                 buffer = buffer.Replace('\u201a', ','); // single low-9 quotation mark
             }
 
-            if (buffer.IndexOf('\u201b') > -1)
+            if (buffer.IndexOf('\u201b', StringComparison.Ordinal) > -1)
             {
                 buffer = buffer.Replace('\u201b', '\''); // single high-reversed-9 quotation mark
             }
 
-            if (buffer.IndexOf('\u201c') > -1)
+            if (buffer.IndexOf('\u201c', StringComparison.Ordinal) > -1)
             {
                 buffer = buffer.Replace('\u201c', '\"'); // left double quotation mark
             }
 
-            if (buffer.IndexOf('\u201d') > -1)
+            if (buffer.IndexOf('\u201d', StringComparison.Ordinal) > -1)
             {
                 buffer = buffer.Replace('\u201d', '\"'); // right double quotation mark
             }
 
-            if (buffer.IndexOf('\u201e') > -1)
+            if (buffer.IndexOf('\u201e', StringComparison.Ordinal) > -1)
             {
                 buffer = buffer.Replace('\u201e', '\"'); // double low-9 quotation mark
             }
 
-            if (buffer.IndexOf('\u2026') > -1)
+            if (buffer.IndexOf('\u2026', StringComparison.Ordinal) > -1)
             {
-                buffer = buffer.Replace("\u2026", "..."); // horizontal ellipsis
+                buffer = buffer.Replace("\u2026", "...", StringComparison.Ordinal); // horizontal ellipsis
             }
 
-            if (buffer.IndexOf('\u2032') > -1)
+            if (buffer.IndexOf('\u2032', StringComparison.Ordinal) > -1)
             {
                 buffer = buffer.Replace('\u2032', '\''); // prime
             }
 
-            if (buffer.IndexOf('\u2033') > -1)
+            if (buffer.IndexOf('\u2033', StringComparison.Ordinal) > -1)
             {
                 buffer = buffer.Replace('\u2033', '\"'); // double prime
             }
 
-            if (buffer.IndexOf('\u0060') > -1)
+            if (buffer.IndexOf('\u0060', StringComparison.Ordinal) > -1)
             {
                 buffer = buffer.Replace('\u0060', '\''); // grave accent
             }
 
-            if (buffer.IndexOf('\u00B4') > -1)
+            if (buffer.IndexOf('\u00B4', StringComparison.Ordinal) > -1)
             {
                 buffer = buffer.Replace('\u00B4', '\''); // acute accent
             }
@@ -3000,7 +2925,6 @@ namespace Emby.Server.Implementations.Data
             {
                 connection.RunInTransaction(db =>
                 {
-
                     var statements = PrepareAll(db, statementTexts).ToList();
 
                     if (!isReturningZeroItems)
@@ -4670,8 +4594,12 @@ namespace Emby.Server.Implementations.Data
 
             if (query.BlockUnratedItems.Length > 1)
             {
-                var inClause = string.Join(",", query.BlockUnratedItems.Select(i => "'" + i.ToString() + "'"));
-                whereClauses.Add(string.Format("(InheritedParentalRatingValue > 0 or UnratedType not in ({0}))", inClause));
+                var inClause = string.Join(',', query.BlockUnratedItems.Select(i => "'" + i.ToString() + "'"));
+                whereClauses.Add(
+                    string.Format(
+                        CultureInfo.InvariantCulture,
+                        "(InheritedParentalRatingValue > 0 or UnratedType not in ({0}))",
+                        inClause));
             }
 
             if (query.ExcludeInheritedTags.Length > 0)
@@ -4680,7 +4608,7 @@ namespace Emby.Server.Implementations.Data
                 if (statement == null)
                 {
                     int index = 0;
-                    string excludedTags = string.Join(",", query.ExcludeInheritedTags.Select(t => paramName + index++));
+                    string excludedTags = string.Join(',', query.ExcludeInheritedTags.Select(t => paramName + index++));
                     whereClauses.Add("((select CleanValue from itemvalues where ItemId=Guid and Type=6 and cleanvalue in (" + excludedTags + ")) is null)");
                 }
                 else
@@ -5734,10 +5662,10 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
             const int Limit = 100;
             var startIndex = 0;
 
+            const string StartInsertText = "insert into ItemValues (ItemId, Type, Value, CleanValue) values ";
+            var insertText = new StringBuilder(StartInsertText);
             while (startIndex < values.Count)
             {
-                var insertText = new StringBuilder("insert into ItemValues (ItemId, Type, Value, CleanValue) values ");
-
                 var endIndex = Math.Min(values.Count, startIndex + Limit);
 
                 for (var i = startIndex; i < endIndex; i++)
@@ -5779,6 +5707,7 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
                 }
 
                 startIndex += Limit;
+                insertText.Length = StartInsertText.Length;
             }
         }
 
@@ -5816,10 +5745,10 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
             var startIndex = 0;
             var listIndex = 0;
 
+            const string StartInsertText = "insert into People (ItemId, Name, Role, PersonType, SortOrder, ListOrder) values ";
+            var insertText = new StringBuilder(StartInsertText);
             while (startIndex < people.Count)
             {
-                var insertText = new StringBuilder("insert into People (ItemId, Name, Role, PersonType, SortOrder, ListOrder) values ");
-
                 var endIndex = Math.Min(people.Count, startIndex + Limit);
                 for (var i = startIndex; i < endIndex; i++)
                 {
@@ -5853,6 +5782,7 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
                 }
 
                 startIndex += Limit;
+                insertText.Length = StartInsertText.Length;
             }
         }
 
@@ -5891,10 +5821,7 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
                 throw new ArgumentNullException(nameof(query));
             }
 
-            var cmdText = "select "
-                        + string.Join(",", _mediaStreamSaveColumns)
-                        + " from mediastreams where"
-                        + " ItemId=@ItemId";
+            var cmdText = _mediaStreamSaveColumnsSelectQuery;
 
             if (query.Type.HasValue)
             {
@@ -5971,18 +5898,9 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
             const int Limit = 10;
             var startIndex = 0;
 
+            var insertText = new StringBuilder(_mediaStreamSaveColumnsInsertQuery);
             while (startIndex < streams.Count)
             {
-                var insertText = new StringBuilder("insert into mediastreams (");
-                foreach (var column in _mediaStreamSaveColumns)
-                {
-                    insertText.Append(column).Append(',');
-                }
-
-                // Remove last comma
-                insertText.Length--;
-                insertText.Append(") values ");
-
                 var endIndex = Math.Min(streams.Count, startIndex + Limit);
 
                 for (var i = startIndex; i < endIndex; i++)
@@ -6065,6 +5983,7 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
                 }
 
                 startIndex += Limit;
+                insertText.Length = _mediaStreamSaveColumnsInsertQuery.Length;
             }
         }
 
@@ -6248,10 +6167,7 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
                 throw new ArgumentNullException(nameof(query));
             }
 
-            var cmdText = "select "
-                        + string.Join(",", _mediaAttachmentSaveColumns)
-                        + " from mediaattachments where"
-                        + " ItemId=@ItemId";
+            var cmdText = _mediaAttachmentSaveColumnsSelectQuery;
 
             if (query.Index.HasValue)
             {
@@ -6319,10 +6235,9 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
         {
             const int InsertAtOnce = 10;
 
+            var insertText = new StringBuilder(_mediaAttachmentInsertPrefix);
             for (var startIndex = 0; startIndex < attachments.Count; startIndex += InsertAtOnce)
             {
-                var insertText = new StringBuilder(_mediaAttachmentInsertPrefix);
-
                 var endIndex = Math.Min(attachments.Count, startIndex + InsertAtOnce);
 
                 for (var i = startIndex; i < endIndex; i++)
@@ -6368,6 +6283,8 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
                     statement.Reset();
                     statement.MoveNext();
                 }
+
+                insertText.Length = _mediaAttachmentInsertPrefix.Length;
             }
         }
 
diff --git a/Emby.Server.Implementations/Devices/DeviceManager.cs b/Emby.Server.Implementations/Devices/DeviceManager.cs
index e75745cc6..cc4b407f5 100644
--- a/Emby.Server.Implementations/Devices/DeviceManager.cs
+++ b/Emby.Server.Implementations/Devices/DeviceManager.cs
@@ -5,8 +5,8 @@ using System.Collections.Generic;
 using System.Globalization;
 using System.IO;
 using System.Linq;
-using Jellyfin.Data.Enums;
 using Jellyfin.Data.Entities;
+using Jellyfin.Data.Enums;
 using MediaBrowser.Common.Extensions;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Devices;
@@ -17,16 +17,17 @@ using MediaBrowser.Model.Events;
 using MediaBrowser.Model.Querying;
 using MediaBrowser.Model.Serialization;
 using MediaBrowser.Model.Session;
+using Microsoft.Extensions.Caching.Memory;
 
 namespace Emby.Server.Implementations.Devices
 {
     public class DeviceManager : IDeviceManager
     {
+        private readonly IMemoryCache _memoryCache;
         private readonly IJsonSerializer _json;
         private readonly IUserManager _userManager;
         private readonly IServerConfigurationManager _config;
         private readonly IAuthenticationRepository _authRepo;
-        private readonly Dictionary<string, ClientCapabilities> _capabilitiesCache;
         private readonly object _capabilitiesSyncLock = new object();
 
         public event EventHandler<GenericEventArgs<Tuple<string, DeviceOptions>>> DeviceOptionsUpdated;
@@ -35,13 +36,14 @@ namespace Emby.Server.Implementations.Devices
             IAuthenticationRepository authRepo,
             IJsonSerializer json,
             IUserManager userManager,
-            IServerConfigurationManager config)
+            IServerConfigurationManager config,
+            IMemoryCache memoryCache)
         {
             _json = json;
             _userManager = userManager;
             _config = config;
+            _memoryCache = memoryCache;
             _authRepo = authRepo;
-            _capabilitiesCache = new Dictionary<string, ClientCapabilities>(StringComparer.OrdinalIgnoreCase);
         }
 
         public void SaveCapabilities(string deviceId, ClientCapabilities capabilities)
@@ -51,8 +53,7 @@ namespace Emby.Server.Implementations.Devices
 
             lock (_capabilitiesSyncLock)
             {
-                _capabilitiesCache[deviceId] = capabilities;
-
+                _memoryCache.Set(deviceId, capabilities);
                 _json.SerializeToFile(capabilities, path);
             }
         }
@@ -71,13 +72,13 @@ namespace Emby.Server.Implementations.Devices
 
         public ClientCapabilities GetCapabilities(string id)
         {
-            lock (_capabilitiesSyncLock)
+            if (_memoryCache.TryGetValue(id, out ClientCapabilities result))
             {
-                if (_capabilitiesCache.TryGetValue(id, out var result))
-                {
-                    return result;
-                }
+                return result;
+            }
 
+            lock (_capabilitiesSyncLock)
+            {
                 var path = Path.Combine(GetDevicePath(id), "capabilities.json");
                 try
                 {
diff --git a/Emby.Server.Implementations/Emby.Server.Implementations.csproj b/Emby.Server.Implementations/Emby.Server.Implementations.csproj
index 4351b9aa5..1adef68aa 100644
--- a/Emby.Server.Implementations/Emby.Server.Implementations.csproj
+++ b/Emby.Server.Implementations/Emby.Server.Implementations.csproj
@@ -13,10 +13,8 @@
     <ProjectReference Include="..\MediaBrowser.Common\MediaBrowser.Common.csproj" />
     <ProjectReference Include="..\MediaBrowser.Controller\MediaBrowser.Controller.csproj" />
     <ProjectReference Include="..\MediaBrowser.Providers\MediaBrowser.Providers.csproj" />
-    <ProjectReference Include="..\MediaBrowser.WebDashboard\MediaBrowser.WebDashboard.csproj" />
     <ProjectReference Include="..\MediaBrowser.XbmcMetadata\MediaBrowser.XbmcMetadata.csproj" />
     <ProjectReference Include="..\Emby.Dlna\Emby.Dlna.csproj" />
-    <ProjectReference Include="..\MediaBrowser.Api\MediaBrowser.Api.csproj" />
     <ProjectReference Include="..\MediaBrowser.LocalMetadata\MediaBrowser.LocalMetadata.csproj" />
     <ProjectReference Include="..\Emby.Photos\Emby.Photos.csproj" />
     <ProjectReference Include="..\Emby.Drawing\Emby.Drawing.csproj" />
@@ -25,7 +23,7 @@
 
   <ItemGroup>
     <PackageReference Include="IPNetwork2" Version="2.5.211" />
-    <PackageReference Include="Jellyfin.XmlTv" Version="10.6.0-pre1" />
+    <PackageReference Include="Jellyfin.XmlTv" Version="10.6.2" />
     <PackageReference Include="Microsoft.AspNetCore.Hosting" Version="2.2.7" />
     <PackageReference Include="Microsoft.AspNetCore.Hosting.Abstractions" Version="2.2.0" />
     <PackageReference Include="Microsoft.AspNetCore.Hosting.Server.Abstractions" Version="2.2.0" />
@@ -38,10 +36,10 @@
     <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="3.1.6" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="3.1.6" />
     <PackageReference Include="Microsoft.Extensions.Hosting.Abstractions" Version="3.1.6" />
-    <PackageReference Include="Mono.Nat" Version="2.0.1" />
+    <PackageReference Include="Mono.Nat" Version="2.0.2" />
     <PackageReference Include="prometheus-net.DotNetRuntime" Version="3.3.1" />
-    <PackageReference Include="ServiceStack.Text.Core" Version="5.9.0" />
-    <PackageReference Include="sharpcompress" Version="0.25.1" />
+    <PackageReference Include="ServiceStack.Text.Core" Version="5.9.2" />
+    <PackageReference Include="sharpcompress" Version="0.26.0" />
     <PackageReference Include="SQLitePCL.pretty.netstandard" Version="2.1.0" />
     <PackageReference Include="DotNet.Glob" Version="3.0.9" />
   </ItemGroup>
@@ -54,7 +52,7 @@
     <TargetFramework>netstandard2.1</TargetFramework>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
-    <TreatWarningsAsErrors Condition=" '$(Configuration)' == 'Release'" >true</TreatWarningsAsErrors>
+    <TreatWarningsAsErrors Condition=" '$(Configuration)' == 'Release'">true</TreatWarningsAsErrors>
   </PropertyGroup>
 
   <!-- Code Analyzers-->
diff --git a/Emby.Server.Implementations/EntryPoints/LibraryChangedNotifier.cs b/Emby.Server.Implementations/EntryPoints/LibraryChangedNotifier.cs
index c1068522a..1deef7f72 100644
--- a/Emby.Server.Implementations/EntryPoints/LibraryChangedNotifier.cs
+++ b/Emby.Server.Implementations/EntryPoints/LibraryChangedNotifier.cs
@@ -23,10 +23,12 @@ namespace Emby.Server.Implementations.EntryPoints
     public class LibraryChangedNotifier : IServerEntryPoint
     {
         /// <summary>
-        /// The library manager.
+        /// The library update duration.
         /// </summary>
-        private readonly ILibraryManager _libraryManager;
+        private const int LibraryUpdateDuration = 30000;
 
+        private readonly ILibraryManager _libraryManager;
+        private readonly IProviderManager _providerManager;
         private readonly ISessionManager _sessionManager;
         private readonly IUserManager _userManager;
         private readonly ILogger<LibraryChangedNotifier> _logger;
@@ -38,23 +40,10 @@ namespace Emby.Server.Implementations.EntryPoints
 
         private readonly List<Folder> _foldersAddedTo = new List<Folder>();
         private readonly List<Folder> _foldersRemovedFrom = new List<Folder>();
-
         private readonly List<BaseItem> _itemsAdded = new List<BaseItem>();
         private readonly List<BaseItem> _itemsRemoved = new List<BaseItem>();
         private readonly List<BaseItem> _itemsUpdated = new List<BaseItem>();
-
-        /// <summary>
-        /// Gets or sets the library update timer.
-        /// </summary>
-        /// <value>The library update timer.</value>
-        private Timer LibraryUpdateTimer { get; set; }
-
-        /// <summary>
-        /// The library update duration.
-        /// </summary>
-        private const int LibraryUpdateDuration = 30000;
-
-        private readonly IProviderManager _providerManager;
+        private readonly Dictionary<Guid, DateTime> _lastProgressMessageTimes = new Dictionary<Guid, DateTime>();
 
         public LibraryChangedNotifier(
             ILibraryManager libraryManager,
@@ -70,22 +59,26 @@ namespace Emby.Server.Implementations.EntryPoints
             _providerManager = providerManager;
         }
 
+        /// <summary>
+        /// Gets or sets the library update timer.
+        /// </summary>
+        /// <value>The library update timer.</value>
+        private Timer LibraryUpdateTimer { get; set; }
+
         public Task RunAsync()
         {
-            _libraryManager.ItemAdded += libraryManager_ItemAdded;
-            _libraryManager.ItemUpdated += libraryManager_ItemUpdated;
-            _libraryManager.ItemRemoved += libraryManager_ItemRemoved;
+            _libraryManager.ItemAdded += OnLibraryItemAdded;
+            _libraryManager.ItemUpdated += OnLibraryItemUpdated;
+            _libraryManager.ItemRemoved += OnLibraryItemRemoved;
 
-            _providerManager.RefreshCompleted += _providerManager_RefreshCompleted;
-            _providerManager.RefreshStarted += _providerManager_RefreshStarted;
-            _providerManager.RefreshProgress += _providerManager_RefreshProgress;
+            _providerManager.RefreshCompleted += OnProviderRefreshCompleted;
+            _providerManager.RefreshStarted += OnProviderRefreshStarted;
+            _providerManager.RefreshProgress += OnProviderRefreshProgress;
 
             return Task.CompletedTask;
         }
 
-        private Dictionary<Guid, DateTime> _lastProgressMessageTimes = new Dictionary<Guid, DateTime>();
-
-        private void _providerManager_RefreshProgress(object sender, GenericEventArgs<Tuple<BaseItem, double>> e)
+        private void OnProviderRefreshProgress(object sender, GenericEventArgs<Tuple<BaseItem, double>> e)
         {
             var item = e.Argument.Item1;
 
@@ -122,9 +115,11 @@ namespace Emby.Server.Implementations.EntryPoints
 
             foreach (var collectionFolder in collectionFolders)
             {
-                var collectionFolderDict = new Dictionary<string, string>();
-                collectionFolderDict["ItemId"] = collectionFolder.Id.ToString("N", CultureInfo.InvariantCulture);
-                collectionFolderDict["Progress"] = (collectionFolder.GetRefreshProgress() ?? 0).ToString(CultureInfo.InvariantCulture);
+                var collectionFolderDict = new Dictionary<string, string>
+                {
+                    ["ItemId"] = collectionFolder.Id.ToString("N", CultureInfo.InvariantCulture),
+                    ["Progress"] = (collectionFolder.GetRefreshProgress() ?? 0).ToString(CultureInfo.InvariantCulture)
+                };
 
                 try
                 {
@@ -136,21 +131,19 @@ namespace Emby.Server.Implementations.EntryPoints
             }
         }
 
-        private void _providerManager_RefreshStarted(object sender, GenericEventArgs<BaseItem> e)
+        private void OnProviderRefreshStarted(object sender, GenericEventArgs<BaseItem> e)
         {
-            _providerManager_RefreshProgress(sender, new GenericEventArgs<Tuple<BaseItem, double>>(new Tuple<BaseItem, double>(e.Argument, 0)));
+            OnProviderRefreshProgress(sender, new GenericEventArgs<Tuple<BaseItem, double>>(new Tuple<BaseItem, double>(e.Argument, 0)));
         }
 
-        private void _providerManager_RefreshCompleted(object sender, GenericEventArgs<BaseItem> e)
+        private void OnProviderRefreshCompleted(object sender, GenericEventArgs<BaseItem> e)
         {
-            _providerManager_RefreshProgress(sender, new GenericEventArgs<Tuple<BaseItem, double>>(new Tuple<BaseItem, double>(e.Argument, 100)));
+            OnProviderRefreshProgress(sender, new GenericEventArgs<Tuple<BaseItem, double>>(new Tuple<BaseItem, double>(e.Argument, 100)));
         }
 
         private static bool EnableRefreshMessage(BaseItem item)
         {
-            var folder = item as Folder;
-
-            if (folder == null)
+            if (!(item is Folder folder))
             {
                 return false;
             }
@@ -183,7 +176,7 @@ namespace Emby.Server.Implementations.EntryPoints
         /// </summary>
         /// <param name="sender">The source of the event.</param>
         /// <param name="e">The <see cref="ItemChangeEventArgs"/> instance containing the event data.</param>
-        void libraryManager_ItemAdded(object sender, ItemChangeEventArgs e)
+        private void OnLibraryItemAdded(object sender, ItemChangeEventArgs e)
         {
             if (!FilterItem(e.Item))
             {
@@ -205,8 +198,7 @@ namespace Emby.Server.Implementations.EntryPoints
                     LibraryUpdateTimer.Change(LibraryUpdateDuration, Timeout.Infinite);
                 }
 
-                var parent = e.Item.GetParent() as Folder;
-                if (parent != null)
+                if (e.Item.GetParent() is Folder parent)
                 {
                     _foldersAddedTo.Add(parent);
                 }
@@ -220,7 +212,7 @@ namespace Emby.Server.Implementations.EntryPoints
         /// </summary>
         /// <param name="sender">The source of the event.</param>
         /// <param name="e">The <see cref="ItemChangeEventArgs"/> instance containing the event data.</param>
-        void libraryManager_ItemUpdated(object sender, ItemChangeEventArgs e)
+        private void OnLibraryItemUpdated(object sender, ItemChangeEventArgs e)
         {
             if (!FilterItem(e.Item))
             {
@@ -231,8 +223,7 @@ namespace Emby.Server.Implementations.EntryPoints
             {
                 if (LibraryUpdateTimer == null)
                 {
-                    LibraryUpdateTimer = new Timer(LibraryUpdateTimerCallback, null, LibraryUpdateDuration,
-                                                   Timeout.Infinite);
+                    LibraryUpdateTimer = new Timer(LibraryUpdateTimerCallback, null, LibraryUpdateDuration, Timeout.Infinite);
                 }
                 else
                 {
@@ -248,7 +239,7 @@ namespace Emby.Server.Implementations.EntryPoints
         /// </summary>
         /// <param name="sender">The source of the event.</param>
         /// <param name="e">The <see cref="ItemChangeEventArgs"/> instance containing the event data.</param>
-        void libraryManager_ItemRemoved(object sender, ItemChangeEventArgs e)
+        private void OnLibraryItemRemoved(object sender, ItemChangeEventArgs e)
         {
             if (!FilterItem(e.Item))
             {
@@ -259,16 +250,14 @@ namespace Emby.Server.Implementations.EntryPoints
             {
                 if (LibraryUpdateTimer == null)
                 {
-                    LibraryUpdateTimer = new Timer(LibraryUpdateTimerCallback, null, LibraryUpdateDuration,
-                                                   Timeout.Infinite);
+                    LibraryUpdateTimer = new Timer(LibraryUpdateTimerCallback, null, LibraryUpdateDuration, Timeout.Infinite);
                 }
                 else
                 {
                     LibraryUpdateTimer.Change(LibraryUpdateDuration, Timeout.Infinite);
                 }
 
-                var parent = e.Parent as Folder;
-                if (parent != null)
+                if (e.Parent is Folder parent)
                 {
                     _foldersRemovedFrom.Add(parent);
                 }
@@ -486,13 +475,13 @@ namespace Emby.Server.Implementations.EntryPoints
                     LibraryUpdateTimer = null;
                 }
 
-                _libraryManager.ItemAdded -= libraryManager_ItemAdded;
-                _libraryManager.ItemUpdated -= libraryManager_ItemUpdated;
-                _libraryManager.ItemRemoved -= libraryManager_ItemRemoved;
+                _libraryManager.ItemAdded -= OnLibraryItemAdded;
+                _libraryManager.ItemUpdated -= OnLibraryItemUpdated;
+                _libraryManager.ItemRemoved -= OnLibraryItemRemoved;
 
-                _providerManager.RefreshCompleted -= _providerManager_RefreshCompleted;
-                _providerManager.RefreshStarted -= _providerManager_RefreshStarted;
-                _providerManager.RefreshProgress -= _providerManager_RefreshProgress;
+                _providerManager.RefreshCompleted -= OnProviderRefreshCompleted;
+                _providerManager.RefreshStarted -= OnProviderRefreshStarted;
+                _providerManager.RefreshProgress -= OnProviderRefreshProgress;
             }
         }
     }
diff --git a/Emby.Server.Implementations/HttpServer/HttpListenerHost.cs b/Emby.Server.Implementations/HttpServer/HttpListenerHost.cs
index c3428ee62..dafdd5b7b 100644
--- a/Emby.Server.Implementations/HttpServer/HttpListenerHost.cs
+++ b/Emby.Server.Implementations/HttpServer/HttpListenerHost.cs
@@ -449,7 +449,7 @@ namespace Emby.Server.Implementations.HttpServer
                 if (string.Equals(httpReq.Verb, "OPTIONS", StringComparison.OrdinalIgnoreCase))
                 {
                     httpRes.StatusCode = 200;
-                    foreach(var (key, value) in GetDefaultCorsHeaders(httpReq))
+                    foreach (var (key, value) in GetDefaultCorsHeaders(httpReq))
                     {
                         httpRes.Headers.Add(key, value);
                     }
@@ -486,7 +486,7 @@ namespace Emby.Server.Implementations.HttpServer
                 var handler = GetServiceHandler(httpReq);
                 if (handler != null)
                 {
-                    await handler.ProcessRequestAsync(this, httpReq, httpRes, _logger, cancellationToken).ConfigureAwait(false);
+                    await handler.ProcessRequestAsync(this, httpReq, httpRes, cancellationToken).ConfigureAwait(false);
                 }
                 else
                 {
@@ -567,7 +567,7 @@ namespace Emby.Server.Implementations.HttpServer
 
                 WebSocket webSocket = await context.WebSockets.AcceptWebSocketAsync().ConfigureAwait(false);
 
-                var connection = new WebSocketConnection(
+                using var connection = new WebSocketConnection(
                     _loggerFactory.CreateLogger<WebSocketConnection>(),
                     webSocket,
                     context.Connection.RemoteIpAddress,
diff --git a/Emby.Server.Implementations/HttpServer/Security/AuthService.cs b/Emby.Server.Implementations/HttpServer/Security/AuthService.cs
index c9f802a51..76c1d9bac 100644
--- a/Emby.Server.Implementations/HttpServer/Security/AuthService.cs
+++ b/Emby.Server.Implementations/HttpServer/Security/AuthService.cs
@@ -35,9 +35,9 @@ namespace Emby.Server.Implementations.HttpServer.Security
             _networkManager = networkManager;
         }
 
-        public void Authenticate(IRequest request, IAuthenticationAttributes authAttribtues)
+        public void Authenticate(IRequest request, IAuthenticationAttributes authAttributes)
         {
-            ValidateUser(request, authAttribtues);
+            ValidateUser(request, authAttributes);
         }
 
         public User Authenticate(HttpRequest request, IAuthenticationAttributes authAttributes)
@@ -63,17 +63,17 @@ namespace Emby.Server.Implementations.HttpServer.Security
             return auth;
         }
 
-        private User ValidateUser(IRequest request, IAuthenticationAttributes authAttribtues)
+        private User ValidateUser(IRequest request, IAuthenticationAttributes authAttributes)
         {
             // This code is executed before the service
             var auth = _authorizationContext.GetAuthorizationInfo(request);
 
-            if (!IsExemptFromAuthenticationToken(authAttribtues, request))
+            if (!IsExemptFromAuthenticationToken(authAttributes, request))
             {
                 ValidateSecurityToken(request, auth.Token);
             }
 
-            if (authAttribtues.AllowLocalOnly && !request.IsLocal)
+            if (authAttributes.AllowLocalOnly && !request.IsLocal)
             {
                 throw new SecurityException("Operation not found.");
             }
@@ -87,14 +87,14 @@ namespace Emby.Server.Implementations.HttpServer.Security
 
             if (user != null)
             {
-                ValidateUserAccess(user, request, authAttribtues, auth);
+                ValidateUserAccess(user, request, authAttributes);
             }
 
             var info = GetTokenInfo(request);
 
-            if (!IsExemptFromRoles(auth, authAttribtues, request, info))
+            if (!IsExemptFromRoles(auth, authAttributes, request, info))
             {
-                var roles = authAttribtues.GetRoles();
+                var roles = authAttributes.GetRoles();
 
                 ValidateRoles(roles, user);
             }
@@ -118,8 +118,7 @@ namespace Emby.Server.Implementations.HttpServer.Security
         private void ValidateUserAccess(
             User user,
             IRequest request,
-            IAuthenticationAttributes authAttributes,
-            AuthorizationInfo auth)
+            IAuthenticationAttributes authAttributes)
         {
             if (user.HasPermission(PermissionKind.IsDisabled))
             {
@@ -158,6 +157,11 @@ namespace Emby.Server.Implementations.HttpServer.Security
                 return true;
             }
 
+            if (authAttribtues.IgnoreLegacyAuth)
+            {
+                return true;
+            }
+
             return false;
         }
 
@@ -237,16 +241,6 @@ namespace Emby.Server.Implementations.HttpServer.Security
             {
                 throw new AuthenticationException("Access token is invalid or expired.");
             }
-
-            // if (!string.IsNullOrEmpty(info.UserId))
-            //{
-            //    var user = _userManager.GetUserById(info.UserId);
-
-            //    if (user == null || user.Configuration.IsDisabled)
-            //    {
-            //        throw new SecurityException("User account has been disabled.");
-            //    }
-            //}
         }
     }
 }
diff --git a/Emby.Server.Implementations/HttpServer/Security/AuthorizationContext.cs b/Emby.Server.Implementations/HttpServer/Security/AuthorizationContext.cs
index 078ce0d8a..fb93fae3e 100644
--- a/Emby.Server.Implementations/HttpServer/Security/AuthorizationContext.cs
+++ b/Emby.Server.Implementations/HttpServer/Security/AuthorizationContext.cs
@@ -99,6 +99,12 @@ namespace Emby.Server.Implementations.HttpServer.Security
 
             if (string.IsNullOrEmpty(token))
             {
+                token = queryString["ApiKey"];
+            }
+
+            // TODO deprecate this query parameter.
+            if (string.IsNullOrEmpty(token))
+            {
                 token = queryString["api_key"];
             }
 
@@ -276,12 +282,7 @@ namespace Emby.Server.Implementations.HttpServer.Security
 
         private static string NormalizeValue(string value)
         {
-            if (string.IsNullOrEmpty(value))
-            {
-                return value;
-            }
-
-            return WebUtility.HtmlEncode(value);
+            return string.IsNullOrEmpty(value) ? value : WebUtility.HtmlEncode(value);
         }
     }
 }
diff --git a/Emby.Server.Implementations/HttpServer/WebSocketConnection.cs b/Emby.Server.Implementations/HttpServer/WebSocketConnection.cs
index 316cd84cf..d738047e0 100644
--- a/Emby.Server.Implementations/HttpServer/WebSocketConnection.cs
+++ b/Emby.Server.Implementations/HttpServer/WebSocketConnection.cs
@@ -19,7 +19,7 @@ namespace Emby.Server.Implementations.HttpServer
     /// <summary>
     /// Class WebSocketConnection.
     /// </summary>
-    public class WebSocketConnection : IWebSocketConnection
+    public class WebSocketConnection : IWebSocketConnection, IDisposable
     {
         /// <summary>
         /// The logger.
@@ -119,7 +119,7 @@ namespace Emby.Server.Implementations.HttpServer
                 Memory<byte> memory = writer.GetMemory(512);
                 try
                 {
-                    receiveresult = await _socket.ReceiveAsync(memory, cancellationToken);
+                    receiveresult = await _socket.ReceiveAsync(memory, cancellationToken).ConfigureAwait(false);
                 }
                 catch (WebSocketException ex)
                 {
@@ -137,7 +137,7 @@ namespace Emby.Server.Implementations.HttpServer
                 writer.Advance(bytesRead);
 
                 // Make the data available to the PipeReader
-                FlushResult flushResult = await writer.FlushAsync();
+                FlushResult flushResult = await writer.FlushAsync().ConfigureAwait(false);
                 if (flushResult.IsCompleted)
                 {
                     // The PipeReader stopped reading
@@ -223,7 +223,7 @@ namespace Emby.Server.Implementations.HttpServer
 
             if (info.MessageType.Equals("KeepAlive", StringComparison.Ordinal))
             {
-                await SendKeepAliveResponse();
+                await SendKeepAliveResponse().ConfigureAwait(false);
             }
             else
             {
diff --git a/Emby.Server.Implementations/IO/FileRefresher.cs b/Emby.Server.Implementations/IO/FileRefresher.cs
index ef93779aa..fe74f1de7 100644
--- a/Emby.Server.Implementations/IO/FileRefresher.cs
+++ b/Emby.Server.Implementations/IO/FileRefresher.cs
@@ -21,6 +21,7 @@ namespace Emby.Server.Implementations.IO
         private readonly List<string> _affectedPaths = new List<string>();
         private readonly object _timerLock = new object();
         private Timer _timer;
+        private bool _disposed;
 
         public FileRefresher(string path, IServerConfigurationManager configurationManager, ILibraryManager libraryManager, ILogger logger)
         {
@@ -213,11 +214,11 @@ namespace Emby.Server.Implementations.IO
             }
         }
 
-        private bool _disposed;
         public void Dispose()
         {
             _disposed = true;
             DisposeTimer();
+            GC.SuppressFinalize(this);
         }
     }
 }
diff --git a/Emby.Server.Implementations/Images/CollectionFolderImageProvider.cs b/Emby.Server.Implementations/Images/CollectionFolderImageProvider.cs
index da88b8d8a..161b4c452 100644
--- a/Emby.Server.Implementations/Images/CollectionFolderImageProvider.cs
+++ b/Emby.Server.Implementations/Images/CollectionFolderImageProvider.cs
@@ -3,7 +3,7 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
-using Emby.Server.Implementations.Images;
+using Jellyfin.Data.Enums;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Controller.Drawing;
 using MediaBrowser.Controller.Dto;
diff --git a/Emby.Server.Implementations/Images/FolderImageProvider.cs b/Emby.Server.Implementations/Images/FolderImageProvider.cs
index e9523386e..0224ab32a 100644
--- a/Emby.Server.Implementations/Images/FolderImageProvider.cs
+++ b/Emby.Server.Implementations/Images/FolderImageProvider.cs
@@ -1,7 +1,7 @@
 #pragma warning disable CS1591
 
 using System.Collections.Generic;
-using Emby.Server.Implementations.Images;
+using Jellyfin.Data.Enums;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Controller.Drawing;
 using MediaBrowser.Controller.Dto;
diff --git a/Emby.Server.Implementations/Images/GenreImageProvider.cs b/Emby.Server.Implementations/Images/GenreImageProvider.cs
index d2aeccdb2..1cd4cd66b 100644
--- a/Emby.Server.Implementations/Images/GenreImageProvider.cs
+++ b/Emby.Server.Implementations/Images/GenreImageProvider.cs
@@ -1,6 +1,7 @@
 #pragma warning disable CS1591
 
 using System.Collections.Generic;
+using Jellyfin.Data.Enums;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Controller.Drawing;
 using MediaBrowser.Controller.Dto;
diff --git a/Emby.Server.Implementations/Library/IgnorePatterns.cs b/Emby.Server.Implementations/Library/IgnorePatterns.cs
index 6e6ef1359..e30a67593 100644
--- a/Emby.Server.Implementations/Library/IgnorePatterns.cs
+++ b/Emby.Server.Implementations/Library/IgnorePatterns.cs
@@ -18,7 +18,21 @@ namespace Emby.Server.Implementations.Library
         {
             "**/small.jpg",
             "**/albumart.jpg",
-            "**/*sample*",
+
+            // We have neither non-greedy matching or character group repetitions, working around that here.
+            // https://github.com/dazinator/DotNet.Glob#patterns
+            // .*/sample\..{1,5}
+            "**/sample.?",
+            "**/sample.??",
+            "**/sample.???", // Matches sample.mkv
+            "**/sample.????", // Matches sample.webm
+            "**/sample.?????",
+            "**/*.sample.?",
+            "**/*.sample.??",
+            "**/*.sample.???",
+            "**/*.sample.????",
+            "**/*.sample.?????",
+            "**/sample/*",
 
             // Directories
             "**/metadata/**",
@@ -64,10 +78,13 @@ namespace Emby.Server.Implementations.Library
             "**/.grab/**",
             "**/.grab",
 
-            // Unix hidden files and directories
-            "**/.*/**",
+            // Unix hidden files
             "**/.*",
 
+            // Mac - if you ever remove the above.
+            // "**/._*",
+            // "**/.DS_Store",
+
             // thumbs.db
             "**/thumbs.db",
 
diff --git a/Emby.Server.Implementations/Library/LibraryManager.cs b/Emby.Server.Implementations/Library/LibraryManager.cs
index 9165ede35..7b770d940 100644
--- a/Emby.Server.Implementations/Library/LibraryManager.cs
+++ b/Emby.Server.Implementations/Library/LibraryManager.cs
@@ -1,7 +1,6 @@
 #pragma warning disable CS1591
 
 using System;
-using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Globalization;
 using System.IO;
@@ -46,11 +45,11 @@ using MediaBrowser.Model.Net;
 using MediaBrowser.Model.Querying;
 using MediaBrowser.Model.Tasks;
 using MediaBrowser.Providers.MediaInfo;
+using Microsoft.Extensions.Caching.Memory;
 using Microsoft.Extensions.Logging;
 using Episode = MediaBrowser.Controller.Entities.TV.Episode;
 using Genre = MediaBrowser.Controller.Entities.Genre;
 using Person = MediaBrowser.Controller.Entities.Person;
-using SortOrder = MediaBrowser.Model.Entities.SortOrder;
 using VideoResolver = Emby.Naming.Video.VideoResolver;
 
 namespace Emby.Server.Implementations.Library
@@ -63,6 +62,7 @@ namespace Emby.Server.Implementations.Library
         private const string ShortcutFileExtension = ".mblink";
 
         private readonly ILogger<LibraryManager> _logger;
+        private readonly IMemoryCache _memoryCache;
         private readonly ITaskManager _taskManager;
         private readonly IUserManager _userManager;
         private readonly IUserDataManager _userDataRepository;
@@ -74,7 +74,6 @@ namespace Emby.Server.Implementations.Library
         private readonly IMediaEncoder _mediaEncoder;
         private readonly IFileSystem _fileSystem;
         private readonly IItemRepository _itemRepository;
-        private readonly ConcurrentDictionary<Guid, BaseItem> _libraryItemsCache;
         private readonly IImageProcessor _imageProcessor;
 
         /// <summary>
@@ -112,6 +111,7 @@ namespace Emby.Server.Implementations.Library
         /// <param name="mediaEncoder">The media encoder.</param>
         /// <param name="itemRepository">The item repository.</param>
         /// <param name="imageProcessor">The image processor.</param>
+        /// <param name="memoryCache">The memory cache.</param>
         public LibraryManager(
             IServerApplicationHost appHost,
             ILogger<LibraryManager> logger,
@@ -125,7 +125,8 @@ namespace Emby.Server.Implementations.Library
             Lazy<IUserViewManager> userviewManagerFactory,
             IMediaEncoder mediaEncoder,
             IItemRepository itemRepository,
-            IImageProcessor imageProcessor)
+            IImageProcessor imageProcessor,
+            IMemoryCache memoryCache)
         {
             _appHost = appHost;
             _logger = logger;
@@ -140,8 +141,7 @@ namespace Emby.Server.Implementations.Library
             _mediaEncoder = mediaEncoder;
             _itemRepository = itemRepository;
             _imageProcessor = imageProcessor;
-
-            _libraryItemsCache = new ConcurrentDictionary<Guid, BaseItem>();
+            _memoryCache = memoryCache;
 
             _configurationManager.ConfigurationUpdated += ConfigurationUpdated;
 
@@ -299,7 +299,7 @@ namespace Emby.Server.Implementations.Library
                 }
             }
 
-            _libraryItemsCache.AddOrUpdate(item.Id, item, delegate { return item; });
+            _memoryCache.Set(item.Id, item);
         }
 
         public void DeleteItem(BaseItem item, DeleteOptions options)
@@ -447,7 +447,7 @@ namespace Emby.Server.Implementations.Library
                 _itemRepository.DeleteItem(child.Id);
             }
 
-            _libraryItemsCache.TryRemove(item.Id, out BaseItem removed);
+            _memoryCache.Remove(item.Id);
 
             ReportItemRemoved(item, parent);
         }
@@ -1248,7 +1248,7 @@ namespace Emby.Server.Implementations.Library
                 throw new ArgumentException("Guid can't be empty", nameof(id));
             }
 
-            if (_libraryItemsCache.TryGetValue(id, out BaseItem item))
+            if (_memoryCache.TryGetValue(id, out BaseItem item))
             {
                 return item;
             }
@@ -1591,7 +1591,6 @@ namespace Emby.Server.Implementations.Library
         public async Task<IEnumerable<Video>> GetIntros(BaseItem item, User user)
         {
             var tasks = IntroProviders
-                .OrderBy(i => i.GetType().Name.Contains("Default", StringComparison.OrdinalIgnoreCase) ? 1 : 0)
                 .Take(1)
                 .Select(i => GetIntros(i, item, user));
 
diff --git a/Emby.Server.Implementations/Library/MediaSourceManager.cs b/Emby.Server.Implementations/Library/MediaSourceManager.cs
index bd59ee0e4..67cf8bf5b 100644
--- a/Emby.Server.Implementations/Library/MediaSourceManager.cs
+++ b/Emby.Server.Implementations/Library/MediaSourceManager.cs
@@ -46,8 +46,6 @@ namespace Emby.Server.Implementations.Library
         private readonly Dictionary<string, ILiveStream> _openStreams = new Dictionary<string, ILiveStream>(StringComparer.OrdinalIgnoreCase);
         private readonly SemaphoreSlim _liveStreamSemaphore = new SemaphoreSlim(1, 1);
 
-        private readonly object _disposeLock = new object();
-
         private IMediaSourceProvider[] _providers;
 
         public MediaSourceManager(
@@ -623,12 +621,14 @@ namespace Emby.Server.Implementations.Library
 
             if (liveStreamInfo is IDirectStreamProvider)
             {
-                var info = await _mediaEncoder.GetMediaInfo(new MediaInfoRequest
-                {
-                    MediaSource = mediaSource,
-                    ExtractChapters = false,
-                    MediaType = DlnaProfileType.Video
-                }, cancellationToken).ConfigureAwait(false);
+                var info = await _mediaEncoder.GetMediaInfo(
+                    new MediaInfoRequest
+                    {
+                        MediaSource = mediaSource,
+                        ExtractChapters = false,
+                        MediaType = DlnaProfileType.Video
+                    },
+                    cancellationToken).ConfigureAwait(false);
 
                 mediaSource.MediaStreams = info.MediaStreams;
                 mediaSource.Container = info.Container;
@@ -859,11 +859,11 @@ namespace Emby.Server.Implementations.Library
             }
         }
 
-        private Tuple<IMediaSourceProvider, string> GetProvider(string key)
+        private (IMediaSourceProvider, string) GetProvider(string key)
         {
             if (string.IsNullOrEmpty(key))
             {
-                throw new ArgumentException("key");
+                throw new ArgumentException("Key can't be empty.", nameof(key));
             }
 
             var keys = key.Split(new[] { LiveStreamIdDelimeter }, 2);
@@ -873,7 +873,7 @@ namespace Emby.Server.Implementations.Library
             var splitIndex = key.IndexOf(LiveStreamIdDelimeter, StringComparison.Ordinal);
             var keyId = key.Substring(splitIndex + 1);
 
-            return new Tuple<IMediaSourceProvider, string>(provider, keyId);
+            return (provider, keyId);
         }
 
         /// <summary>
@@ -893,15 +893,12 @@ namespace Emby.Server.Implementations.Library
         {
             if (dispose)
             {
-                lock (_disposeLock)
+                foreach (var key in _openStreams.Keys.ToList())
                 {
-                    foreach (var key in _openStreams.Keys.ToList())
-                    {
-                        var task = CloseLiveStream(key);
-
-                        Task.WaitAll(task);
-                    }
+                    CloseLiveStream(key).GetAwaiter().GetResult();
                 }
+
+                _liveStreamSemaphore.Dispose();
             }
         }
     }
diff --git a/Emby.Server.Implementations/Library/MusicManager.cs b/Emby.Server.Implementations/Library/MusicManager.cs
index 0bdc59914..877fdec86 100644
--- a/Emby.Server.Implementations/Library/MusicManager.cs
+++ b/Emby.Server.Implementations/Library/MusicManager.cs
@@ -4,12 +4,12 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using Jellyfin.Data.Entities;
+using Jellyfin.Data.Enums;
 using MediaBrowser.Controller.Dto;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Entities.Audio;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Playlists;
-using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.Querying;
 using MusicAlbum = MediaBrowser.Controller.Entities.Audio.MusicAlbum;
 
diff --git a/Emby.Server.Implementations/Library/SearchEngine.cs b/Emby.Server.Implementations/Library/SearchEngine.cs
index d67c9e542..9a69bce0e 100644
--- a/Emby.Server.Implementations/Library/SearchEngine.cs
+++ b/Emby.Server.Implementations/Library/SearchEngine.cs
@@ -4,12 +4,12 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using Jellyfin.Data.Entities;
+using Jellyfin.Data.Enums;
 using MediaBrowser.Controller.Dto;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Entities.Audio;
 using MediaBrowser.Controller.Extensions;
 using MediaBrowser.Controller.Library;
-using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.Querying;
 using MediaBrowser.Model.Search;
 using Microsoft.Extensions.Logging;
diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs
index 7b0fcbc9e..80e09f0a3 100644
--- a/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs
+++ b/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs
@@ -12,6 +12,7 @@ using System.Threading;
 using System.Threading.Tasks;
 using System.Xml;
 using Emby.Server.Implementations.Library;
+using Jellyfin.Data.Enums;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Common.Extensions;
 using MediaBrowser.Common.Net;
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs
index 57c5b7500..d4a88e299 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs
@@ -77,7 +77,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
         }
     }
 
-    public class HdHomerunManager : IDisposable
+    public sealed class HdHomerunManager : IDisposable
     {
         public const int HdHomeRunPort = 65001;
 
@@ -105,6 +105,8 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                     StopStreaming(socket).GetAwaiter().GetResult();
                 }
             }
+
+            GC.SuppressFinalize(this);
         }
 
         public async Task<bool> CheckTunerAvailability(IPAddress remoteIp, int tuner, CancellationToken cancellationToken)
@@ -162,7 +164,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                     }
 
                     _activeTuner = i;
-                    var lockKeyString = string.Format("{0:d}", lockKeyValue);
+                    var lockKeyString = string.Format(CultureInfo.InvariantCulture, "{0:d}", lockKeyValue);
                     var lockkeyMsg = CreateSetMessage(i, "lockkey", lockKeyString, null);
                     await stream.WriteAsync(lockkeyMsg, 0, lockkeyMsg.Length, cancellationToken).ConfigureAwait(false);
                     int receivedBytes = await stream.ReadAsync(buffer, 0, buffer.Length, cancellationToken).ConfigureAwait(false);
@@ -173,8 +175,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                         continue;
                     }
 
-                    var commandList = commands.GetCommands();
-                    foreach (var command in commandList)
+                    foreach (var command in commands.GetCommands())
                     {
                         var channelMsg = CreateSetMessage(i, command.Item1, command.Item2, lockKeyValue);
                         await stream.WriteAsync(channelMsg, 0, channelMsg.Length, cancellationToken).ConfigureAwait(false);
@@ -188,7 +189,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                         }
                     }
 
-                    var targetValue = string.Format("rtp://{0}:{1}", localIp, localPort);
+                    var targetValue = string.Format(CultureInfo.InvariantCulture, "rtp://{0}:{1}", localIp, localPort);
                     var targetMsg = CreateSetMessage(i, "target", targetValue, lockKeyValue);
 
                     await stream.WriteAsync(targetMsg, 0, targetMsg.Length, cancellationToken).ConfigureAwait(false);
diff --git a/Emby.Server.Implementations/Localization/Core/bn.json b/Emby.Server.Implementations/Localization/Core/bn.json
index 1f309f3ff..ca14d4471 100644
--- a/Emby.Server.Implementations/Localization/Core/bn.json
+++ b/Emby.Server.Implementations/Localization/Core/bn.json
@@ -7,7 +7,7 @@
     "CameraImageUploadedFrom": "একটি নতুন ক্যামেরার চিত্র আপলোড করা হয়েছে {0} থেকে",
     "Books": "বই",
     "AuthenticationSucceededWithUserName": "{0} যাচাই সফল",
-    "Artists": "শিল্পী",
+    "Artists": "শিল্পীরা",
     "Application": "অ্যাপ্লিকেশন",
     "Albums": "অ্যালবামগুলো",
     "HeaderFavoriteEpisodes": "প্রিব পর্বগুলো",
@@ -19,7 +19,7 @@
     "Genres": "ঘরানা",
     "Folders": "ফোল্ডারগুলো",
     "Favorites": "ফেভারিটগুলো",
-    "FailedLoginAttemptWithUserName": "{0} থেকে লগিন করতে ব্যর্থ",
+    "FailedLoginAttemptWithUserName": "{0} লগিন করতে ব্যর্থ হয়েছে",
     "AppDeviceValues": "এপ: {0}, ডিভাইস: {0}",
     "VersionNumber": "সংস্করণ {0}",
     "ValueSpecialEpisodeName": "বিশেষ - {0}",
diff --git a/Emby.Server.Implementations/Localization/Core/de.json b/Emby.Server.Implementations/Localization/Core/de.json
index a6e9779c9..fcbe9566e 100644
--- a/Emby.Server.Implementations/Localization/Core/de.json
+++ b/Emby.Server.Implementations/Localization/Core/de.json
@@ -5,7 +5,7 @@
     "Artists": "Interpreten",
     "AuthenticationSucceededWithUserName": "{0} hat sich erfolgreich angemeldet",
     "Books": "Bücher",
-    "CameraImageUploadedFrom": "Ein neues Foto wurde von {0} hochgeladen",
+    "CameraImageUploadedFrom": "Ein neues Kamerafoto wurde von {0} hochgeladen",
     "Channels": "Kanäle",
     "ChapterNameValue": "Kapitel {0}",
     "Collections": "Sammlungen",
@@ -101,12 +101,12 @@
     "TaskCleanTranscode": "Lösche Transkodier Pfad",
     "TaskUpdatePluginsDescription": "Lädt Updates für Plugins herunter, welche dazu eingestellt sind automatisch zu updaten und installiert sie.",
     "TaskUpdatePlugins": "Update Plugins",
-    "TaskRefreshPeopleDescription": "Erneuert Metadaten für Schausteller und Regisseure in deinen Bibliotheken.",
-    "TaskRefreshPeople": "Erneuere Schausteller",
+    "TaskRefreshPeopleDescription": "Erneuert Metadaten für Schauspieler und Regisseure in deinen Bibliotheken.",
+    "TaskRefreshPeople": "Erneuere Schauspieler",
     "TaskCleanLogsDescription": "Lösche Log Dateien die älter als {0} Tage sind.",
     "TaskCleanLogs": "Lösche Log Pfad",
     "TaskRefreshLibraryDescription": "Scanne alle Bibliotheken für hinzugefügte Datein und erneuere Metadaten.",
-    "TaskRefreshLibrary": "Scanne alle Bibliotheken",
+    "TaskRefreshLibrary": "Scanne Medien-Bibliothek",
     "TaskRefreshChapterImagesDescription": "Kreiert Vorschaubilder für Videos welche Kapitel haben.",
     "TaskRefreshChapterImages": "Extrahiert Kapitel-Bilder",
     "TaskCleanCacheDescription": "Löscht Zwischenspeicherdatein die nicht länger von System gebraucht werden.",
diff --git a/Emby.Server.Implementations/Localization/Core/he.json b/Emby.Server.Implementations/Localization/Core/he.json
index 682f5325b..dc3a98154 100644
--- a/Emby.Server.Implementations/Localization/Core/he.json
+++ b/Emby.Server.Implementations/Localization/Core/he.json
@@ -18,13 +18,13 @@
     "HeaderAlbumArtists": "אמני האלבום",
     "HeaderCameraUploads": "העלאות ממצלמה",
     "HeaderContinueWatching": "המשך לצפות",
-    "HeaderFavoriteAlbums": "אלבומים שאהבתי",
+    "HeaderFavoriteAlbums": "אלבומים מועדפים",
     "HeaderFavoriteArtists": "אמנים מועדפים",
     "HeaderFavoriteEpisodes": "פרקים מועדפים",
-    "HeaderFavoriteShows": "סדרות מועדפות",
+    "HeaderFavoriteShows": "תוכניות מועדפות",
     "HeaderFavoriteSongs": "שירים מועדפים",
     "HeaderLiveTV": "שידורים חיים",
-    "HeaderNextUp": "הבא",
+    "HeaderNextUp": "הבא בתור",
     "HeaderRecordingGroups": "קבוצות הקלטה",
     "HomeVideos": "סרטונים בייתים",
     "Inherit": "הורש",
@@ -45,37 +45,37 @@
     "NameSeasonNumber": "עונה {0}",
     "NameSeasonUnknown": "עונה לא ידועה",
     "NewVersionIsAvailable": "גרסה חדשה של שרת Jellyfin זמינה להורדה.",
-    "NotificationOptionApplicationUpdateAvailable": "Application update available",
-    "NotificationOptionApplicationUpdateInstalled": "Application update installed",
-    "NotificationOptionAudioPlayback": "Audio playback started",
-    "NotificationOptionAudioPlaybackStopped": "Audio playback stopped",
-    "NotificationOptionCameraImageUploaded": "Camera image uploaded",
+    "NotificationOptionApplicationUpdateAvailable": "קיים עדכון זמין ליישום",
+    "NotificationOptionApplicationUpdateInstalled": "עדכון ליישום הותקן",
+    "NotificationOptionAudioPlayback": "ניגון שמע החל",
+    "NotificationOptionAudioPlaybackStopped": "ניגון שמע הופסק",
+    "NotificationOptionCameraImageUploaded": "תמונת מצלמה הועלתה",
     "NotificationOptionInstallationFailed": "התקנה נכשלה",
-    "NotificationOptionNewLibraryContent": "New content added",
-    "NotificationOptionPluginError": "Plugin failure",
+    "NotificationOptionNewLibraryContent": "תוכן חדש הוסף",
+    "NotificationOptionPluginError": "כשלון בתוסף",
     "NotificationOptionPluginInstalled": "התוסף הותקן",
     "NotificationOptionPluginUninstalled": "התוסף הוסר",
     "NotificationOptionPluginUpdateInstalled": "העדכון לתוסף הותקן",
     "NotificationOptionServerRestartRequired": "יש לאתחל את השרת",
-    "NotificationOptionTaskFailed": "Scheduled task failure",
-    "NotificationOptionUserLockedOut": "User locked out",
-    "NotificationOptionVideoPlayback": "Video playback started",
-    "NotificationOptionVideoPlaybackStopped": "Video playback stopped",
+    "NotificationOptionTaskFailed": "משימה מתוזמנת נכשלה",
+    "NotificationOptionUserLockedOut": "משתמש ננעל",
+    "NotificationOptionVideoPlayback": "ניגון וידאו החל",
+    "NotificationOptionVideoPlaybackStopped": "ניגון וידאו הופסק",
     "Photos": "תמונות",
     "Playlists": "רשימות הפעלה",
     "Plugin": "Plugin",
-    "PluginInstalledWithName": "{0} was installed",
-    "PluginUninstalledWithName": "{0} was uninstalled",
-    "PluginUpdatedWithName": "{0} was updated",
+    "PluginInstalledWithName": "{0} הותקן",
+    "PluginUninstalledWithName": "{0} הוסר",
+    "PluginUpdatedWithName": "{0} עודכן",
     "ProviderValue": "Provider: {0}",
-    "ScheduledTaskFailedWithName": "{0} failed",
-    "ScheduledTaskStartedWithName": "{0} started",
-    "ServerNameNeedsToBeRestarted": "{0} needs to be restarted",
+    "ScheduledTaskFailedWithName": "{0} נכשל",
+    "ScheduledTaskStartedWithName": "{0} החל",
+    "ServerNameNeedsToBeRestarted": "{0} דורש הפעלה מחדש",
     "Shows": "סדרות",
     "Songs": "שירים",
     "StartupEmbyServerIsLoading": "שרת Jellyfin בהליכי טעינה. אנא נסה שנית בעוד זמן קצר.",
     "SubtitleDownloadFailureForItem": "Subtitles failed to download for {0}",
-    "SubtitleDownloadFailureFromForItem": "Subtitles failed to download from {0} for {1}",
+    "SubtitleDownloadFailureFromForItem": "הורדת כתוביות נכשלה מ-{0} עבור {1}",
     "Sync": "סנכרן",
     "System": "System",
     "TvShows": "סדרות טלוויזיה",
@@ -83,14 +83,14 @@
     "UserCreatedWithName": "המשתמש {0} נוצר",
     "UserDeletedWithName": "המשתמש {0} הוסר",
     "UserDownloadingItemWithValues": "{0} מוריד את {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": "המשתמש {0} ננעל",
+    "UserOfflineFromDevice": "{0} התנתק מ-{1}",
+    "UserOnlineFromDevice": "{0} מחובר מ-{1}",
+    "UserPasswordChangedWithName": "הסיסמה שונתה עבור המשתמש {0}",
+    "UserPolicyUpdatedWithName": "מדיניות המשתמש {0} עודכנה",
     "UserStartedPlayingItemWithValues": "{0} מנגן את {1} על {2}",
     "UserStoppedPlayingItemWithValues": "{0} סיים לנגן את {1} על {2}",
-    "ValueHasBeenAddedToLibrary": "{0} has been added to your media library",
+    "ValueHasBeenAddedToLibrary": "{0} התווסף לספריית המדיה שלך",
     "ValueSpecialEpisodeName": "מיוחד- {0}",
     "VersionNumber": "Version {0}",
     "TaskRefreshLibrary": "סרוק ספריית מדיה",
@@ -109,7 +109,7 @@
     "TaskRefreshChapterImagesDescription": "יוצר תמונות ממוזערות לסרטונים שיש להם פרקים.",
     "TasksChannelsCategory": "ערוצי אינטרנט",
     "TaskDownloadMissingSubtitlesDescription": "חפש באינטרנט עבור הכתוביות החסרות בהתבסס על המטה-דיאטה.",
-    "TaskDownloadMissingSubtitles": "הורד כתוביות חסרות.",
+    "TaskDownloadMissingSubtitles": "הורד כתוביות חסרות",
     "TaskRefreshChannelsDescription": "רענן פרטי ערוץ אינטרנטי.",
     "TaskRefreshChannels": "רענן ערוץ",
     "TaskCleanTranscodeDescription": "מחק קבצי transcode שנוצרו מלפני יותר מיום.",
diff --git a/Emby.Server.Implementations/Localization/Core/it.json b/Emby.Server.Implementations/Localization/Core/it.json
index 7f5a56e86..0e27806dd 100644
--- a/Emby.Server.Implementations/Localization/Core/it.json
+++ b/Emby.Server.Implementations/Localization/Core/it.json
@@ -84,8 +84,8 @@
     "UserDeletedWithName": "L'utente {0} è stato rimosso",
     "UserDownloadingItemWithValues": "{0} sta scaricando {1}",
     "UserLockedOutWithName": "L'utente {0} è stato bloccato",
-    "UserOfflineFromDevice": "{0} è stato disconnesso da {1}",
-    "UserOnlineFromDevice": "{0} è online da {1}",
+    "UserOfflineFromDevice": "{0} si è disconnesso su {1}",
+    "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}",
diff --git a/Emby.Server.Implementations/Localization/Core/uk.json b/Emby.Server.Implementations/Localization/Core/uk.json
index b2e0b66fe..e673465a4 100644
--- a/Emby.Server.Implementations/Localization/Core/uk.json
+++ b/Emby.Server.Implementations/Localization/Core/uk.json
@@ -1,13 +1,13 @@
 {
-    "MusicVideos": "Музичні відео",
+    "MusicVideos": "Музичні кліпи",
     "Music": "Музика",
     "Movies": "Фільми",
-    "MessageApplicationUpdatedTo": "Jellyfin Server був оновлений до версії {0}",
-    "MessageApplicationUpdated": "Jellyfin Server був оновлений",
+    "MessageApplicationUpdatedTo": "Jellyfin Server оновлено до версії {0}",
+    "MessageApplicationUpdated": "Jellyfin Server оновлено",
     "Latest": "Останні",
-    "LabelIpAddressValue": "IP-адреси: {0}",
-    "ItemRemovedWithName": "{0} видалено з бібліотеки",
-    "ItemAddedWithName": "{0} додано до бібліотеки",
+    "LabelIpAddressValue": "IP-адреса: {0}",
+    "ItemRemovedWithName": "{0} видалено з медіатеки",
+    "ItemAddedWithName": "{0} додано до медіатеки",
     "HeaderNextUp": "Наступний",
     "HeaderLiveTV": "Ефірне ТБ",
     "HeaderFavoriteSongs": "Улюблені пісні",
@@ -17,20 +17,101 @@
     "HeaderFavoriteAlbums": "Улюблені альбоми",
     "HeaderContinueWatching": "Продовжити перегляд",
     "HeaderCameraUploads": "Завантажено з камери",
-    "HeaderAlbumArtists": "Виконавці альбомів",
+    "HeaderAlbumArtists": "Виконавці альбому",
     "Genres": "Жанри",
-    "Folders": "Директорії",
+    "Folders": "Каталоги",
     "Favorites": "Улюблені",
-    "DeviceOnlineWithName": "{0} під'єднано",
-    "DeviceOfflineWithName": "{0} від'єднано",
+    "DeviceOnlineWithName": "Пристрій {0} підключився",
+    "DeviceOfflineWithName": "Пристрій {0} відключився",
     "Collections": "Колекції",
-    "ChapterNameValue": "Глава {0}",
+    "ChapterNameValue": "Розділ {0}",
     "Channels": "Канали",
     "CameraImageUploadedFrom": "Нова фотографія завантажена з {0}",
     "Books": "Книги",
-    "AuthenticationSucceededWithUserName": "{0} успішно авторизовані",
+    "AuthenticationSucceededWithUserName": "{0} успішно авторизований",
     "Artists": "Виконавці",
     "Application": "Додаток",
     "AppDeviceValues": "Додаток: {0}, Пристрій: {1}",
-    "Albums": "Альбоми"
+    "Albums": "Альбоми",
+    "NotificationOptionServerRestartRequired": "Необхідно перезапустити сервер",
+    "NotificationOptionPluginUpdateInstalled": "Встановлено оновлення плагіна",
+    "NotificationOptionPluginUninstalled": "Плагін видалено",
+    "NotificationOptionPluginInstalled": "Плагін встановлено",
+    "NotificationOptionPluginError": "Помилка плагіна",
+    "NotificationOptionNewLibraryContent": "Додано новий контент",
+    "HomeVideos": "Домашнє відео",
+    "FailedLoginAttemptWithUserName": "Невдала спроба входу від {0}",
+    "LabelRunningTimeValue": "Тривалість: {0}",
+    "TaskDownloadMissingSubtitlesDescription": "Шукає в Інтернеті відсутні субтитри на основі конфігурації метаданих.",
+    "TaskDownloadMissingSubtitles": "Завантажити відсутні субтитри",
+    "TaskRefreshChannelsDescription": "Оновлення інформації про Інтернет-канали.",
+    "TaskRefreshChannels": "Оновити канали",
+    "TaskCleanTranscodeDescription": "Вилучає файли для перекодування старше одного дня.",
+    "TaskCleanTranscode": "Очистити каталог перекодування",
+    "TaskUpdatePluginsDescription": "Завантажує та встановлює оновлення для плагінів, налаштованих на автоматичне оновлення.",
+    "TaskUpdatePlugins": "Оновити плагіни",
+    "TaskRefreshPeopleDescription": "Оновлення метаданих для акторів та режисерів у вашій медіатеці.",
+    "TaskRefreshPeople": "Оновити людей",
+    "TaskCleanLogsDescription": "Видаляє файли журналу, яким більше {0} днів.",
+    "TaskCleanLogs": "Очистити журнали",
+    "TaskRefreshLibraryDescription": "Сканує медіатеку на нові файли та оновлює метадані.",
+    "TaskRefreshLibrary": "Сканувати медіатеку",
+    "TaskRefreshChapterImagesDescription": "Створює ескізи для відео, які мають розділи.",
+    "TaskRefreshChapterImages": "Створити ескізи розділів",
+    "TaskCleanCacheDescription": "Видаляє файли кешу, які більше не потрібні системі.",
+    "TaskCleanCache": "Очистити кеш",
+    "TasksChannelsCategory": "Інтернет-канали",
+    "TasksApplicationCategory": "Додаток",
+    "TasksLibraryCategory": "Медіатека",
+    "TasksMaintenanceCategory": "Обслуговування",
+    "VersionNumber": "Версія {0}",
+    "ValueSpecialEpisodeName": "Спецепізод - {0}",
+    "ValueHasBeenAddedToLibrary": "{0} додано до медіатеки",
+    "UserStoppedPlayingItemWithValues": "{0} закінчив відтворення {1} на {2}",
+    "UserStartedPlayingItemWithValues": "{0} відтворює {1} на {2}",
+    "UserPolicyUpdatedWithName": "Політика користувача оновлена для {0}",
+    "UserPasswordChangedWithName": "Пароль змінено для користувача {0}",
+    "UserOnlineFromDevice": "{0} підключився з {1}",
+    "UserOfflineFromDevice": "{0} відключився від {1}",
+    "UserLockedOutWithName": "Користувача {0} заблоковано",
+    "UserDownloadingItemWithValues": "{0} завантажує {1}",
+    "UserDeletedWithName": "Користувача {0} видалено",
+    "UserCreatedWithName": "Користувача {0} створено",
+    "User": "Користувач",
+    "TvShows": "ТВ-шоу",
+    "System": "Система",
+    "Sync": "Синхронізація",
+    "SubtitleDownloadFailureFromForItem": "Не вдалося завантажити субтитри з {0} для {1}",
+    "StartupEmbyServerIsLoading": "Jellyfin Server завантажується. Будь ласка, спробуйте трішки пізніше.",
+    "Songs": "Пісні",
+    "Shows": "Шоу",
+    "ServerNameNeedsToBeRestarted": "{0} потрібно перезапустити",
+    "ScheduledTaskStartedWithName": "{0} розпочато",
+    "ScheduledTaskFailedWithName": "Помилка {0}",
+    "ProviderValue": "Постачальник: {0}",
+    "PluginUpdatedWithName": "{0} оновлено",
+    "PluginUninstalledWithName": "{0} видалено",
+    "PluginInstalledWithName": "{0} встановлено",
+    "Plugin": "Плагін",
+    "Playlists": "Плейлисти",
+    "Photos": "Фотографії",
+    "NotificationOptionVideoPlaybackStopped": "Відтворення відео зупинено",
+    "NotificationOptionVideoPlayback": "Розпочато відтворення відео",
+    "NotificationOptionUserLockedOut": "Користувача заблоковано",
+    "NotificationOptionTaskFailed": "Помилка запланованого завдання",
+    "NotificationOptionInstallationFailed": "Помилка встановлення",
+    "NotificationOptionCameraImageUploaded": "Фотографію завантажено",
+    "NotificationOptionAudioPlaybackStopped": "Відтворення аудіо зупинено",
+    "NotificationOptionAudioPlayback": "Розпочато відтворення аудіо",
+    "NotificationOptionApplicationUpdateInstalled": "Встановлено оновлення додатка",
+    "NotificationOptionApplicationUpdateAvailable": "Доступне оновлення додатка",
+    "NewVersionIsAvailable": "Для завантаження доступна нова версія Jellyfin Server.",
+    "NameSeasonUnknown": "Сезон Невідомий",
+    "NameSeasonNumber": "Сезон {0}",
+    "NameInstallFailed": "Не вдалося встановити {0}",
+    "MixedContent": "Змішаний контент",
+    "MessageServerConfigurationUpdated": "Конфігурація сервера оновлена",
+    "MessageNamedServerConfigurationUpdatedWithValue": "Розділ конфігурації сервера {0} оновлено",
+    "Inherit": "Успадкувати",
+    "HeaderRecordingGroups": "Групи запису"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/zh-TW.json b/Emby.Server.Implementations/Localization/Core/zh-TW.json
index a22f66df9..a21cdad95 100644
--- a/Emby.Server.Implementations/Localization/Core/zh-TW.json
+++ b/Emby.Server.Implementations/Localization/Core/zh-TW.json
@@ -92,7 +92,7 @@
     "HeaderRecordingGroups": "錄製組",
     "Inherit": "繼承",
     "SubtitleDownloadFailureFromForItem": "無法為 {1} 從 {0} 下載字幕",
-    "TaskDownloadMissingSubtitlesDescription": "在網路上透過描述資料搜尋遺失的字幕。",
+    "TaskDownloadMissingSubtitlesDescription": "在網路上透過中繼資料搜尋遺失的字幕。",
     "TaskDownloadMissingSubtitles": "下載遺失的字幕",
     "TaskRefreshChannels": "重新整理頻道",
     "TaskUpdatePlugins": "更新插件",
diff --git a/Emby.Server.Implementations/Net/UdpSocket.cs b/Emby.Server.Implementations/Net/UdpSocket.cs
index b51c03446..4e25768cf 100644
--- a/Emby.Server.Implementations/Net/UdpSocket.cs
+++ b/Emby.Server.Implementations/Net/UdpSocket.cs
@@ -15,13 +15,11 @@ namespace Emby.Server.Implementations.Net
     public sealed class UdpSocket : ISocket, IDisposable
     {
         private Socket _socket;
-        private int _localPort;
+        private readonly int _localPort;
         private bool _disposed = false;
 
         public Socket Socket => _socket;
 
-        public IPAddress LocalIPAddress { get; }
-
         private readonly SocketAsyncEventArgs _receiveSocketAsyncEventArgs = new SocketAsyncEventArgs()
         {
             SocketFlags = SocketFlags.None
@@ -51,18 +49,33 @@ namespace Emby.Server.Implementations.Net
             InitReceiveSocketAsyncEventArgs();
         }
 
+        public UdpSocket(Socket socket, IPEndPoint endPoint)
+        {
+            if (socket == null)
+            {
+                throw new ArgumentNullException(nameof(socket));
+            }
+
+            _socket = socket;
+            _socket.Connect(endPoint);
+
+            InitReceiveSocketAsyncEventArgs();
+        }
+
+        public IPAddress LocalIPAddress { get; }
+
         private void InitReceiveSocketAsyncEventArgs()
         {
             var receiveBuffer = new byte[8192];
             _receiveSocketAsyncEventArgs.SetBuffer(receiveBuffer, 0, receiveBuffer.Length);
-            _receiveSocketAsyncEventArgs.Completed += _receiveSocketAsyncEventArgs_Completed;
+            _receiveSocketAsyncEventArgs.Completed += OnReceiveSocketAsyncEventArgsCompleted;
 
             var sendBuffer = new byte[8192];
             _sendSocketAsyncEventArgs.SetBuffer(sendBuffer, 0, sendBuffer.Length);
-            _sendSocketAsyncEventArgs.Completed += _sendSocketAsyncEventArgs_Completed;
+            _sendSocketAsyncEventArgs.Completed += OnSendSocketAsyncEventArgsCompleted;
         }
 
-        private void _receiveSocketAsyncEventArgs_Completed(object sender, SocketAsyncEventArgs e)
+        private void OnReceiveSocketAsyncEventArgsCompleted(object sender, SocketAsyncEventArgs e)
         {
             var tcs = _currentReceiveTaskCompletionSource;
             if (tcs != null)
@@ -86,7 +99,7 @@ namespace Emby.Server.Implementations.Net
             }
         }
 
-        private void _sendSocketAsyncEventArgs_Completed(object sender, SocketAsyncEventArgs e)
+        private void OnSendSocketAsyncEventArgsCompleted(object sender, SocketAsyncEventArgs e)
         {
             var tcs = _currentSendTaskCompletionSource;
             if (tcs != null)
@@ -104,19 +117,6 @@ namespace Emby.Server.Implementations.Net
             }
         }
 
-        public UdpSocket(Socket socket, IPEndPoint endPoint)
-        {
-            if (socket == null)
-            {
-                throw new ArgumentNullException(nameof(socket));
-            }
-
-            _socket = socket;
-            _socket.Connect(endPoint);
-
-            InitReceiveSocketAsyncEventArgs();
-        }
-
         public IAsyncResult BeginReceive(byte[] buffer, int offset, int count, AsyncCallback callback)
         {
             ThrowIfDisposed();
@@ -247,6 +247,7 @@ namespace Emby.Server.Implementations.Net
             }
         }
 
+        /// <inheritdoc />
         public void Dispose()
         {
             if (_disposed)
@@ -255,6 +256,8 @@ namespace Emby.Server.Implementations.Net
             }
 
             _socket?.Dispose();
+            _receiveSocketAsyncEventArgs.Dispose();
+            _sendSocketAsyncEventArgs.Dispose();
             _currentReceiveTaskCompletionSource?.TrySetCanceled();
             _currentSendTaskCompletionSource?.TrySetCanceled();
 
diff --git a/Emby.Server.Implementations/Networking/NetworkManager.cs b/Emby.Server.Implementations/Networking/NetworkManager.cs
index ff95302ee..089ec30e6 100644
--- a/Emby.Server.Implementations/Networking/NetworkManager.cs
+++ b/Emby.Server.Implementations/Networking/NetworkManager.cs
@@ -165,7 +165,7 @@ namespace Emby.Server.Implementations.Networking
                 (octet[0] == 127) || // RFC1122
                 (octet[0] == 169 && octet[1] == 254)) // RFC3927
             {
-                return false;
+                return true;
             }
 
             if (checkSubnets && IsInPrivateAddressSpaceAndLocalSubnet(endpoint))
diff --git a/Emby.Server.Implementations/Playlists/PlaylistManager.cs b/Emby.Server.Implementations/Playlists/PlaylistManager.cs
index 5dd1af4b8..38ceadedb 100644
--- a/Emby.Server.Implementations/Playlists/PlaylistManager.cs
+++ b/Emby.Server.Implementations/Playlists/PlaylistManager.cs
@@ -349,16 +349,14 @@ namespace Emby.Server.Implementations.Playlists
                         AlbumTitle = child.Album
                     };
 
-                    var hasAlbumArtist = child as IHasAlbumArtist;
-                    if (hasAlbumArtist != null)
+                    if (child is IHasAlbumArtist hasAlbumArtist)
                     {
-                        entry.AlbumArtist = hasAlbumArtist.AlbumArtists.FirstOrDefault();
+                        entry.AlbumArtist = hasAlbumArtist.AlbumArtists.Count > 0 ? hasAlbumArtist.AlbumArtists[0] : null;
                     }
 
-                    var hasArtist = child as IHasArtist;
-                    if (hasArtist != null)
+                    if (child is IHasArtist hasArtist)
                     {
-                        entry.TrackArtist = hasArtist.Artists.FirstOrDefault();
+                        entry.TrackArtist = hasArtist.Artists.Count > 0 ? hasArtist.Artists[0] : null;
                     }
 
                     if (child.RunTimeTicks.HasValue)
@@ -385,16 +383,14 @@ namespace Emby.Server.Implementations.Playlists
                         AlbumTitle = child.Album
                     };
 
-                    var hasAlbumArtist = child as IHasAlbumArtist;
-                    if (hasAlbumArtist != null)
+                    if (child is IHasAlbumArtist hasAlbumArtist)
                     {
-                        entry.AlbumArtist = hasAlbumArtist.AlbumArtists.FirstOrDefault();
+                        entry.AlbumArtist = hasAlbumArtist.AlbumArtists.Count > 0 ? hasAlbumArtist.AlbumArtists[0] : null;
                     }
 
-                    var hasArtist = child as IHasArtist;
-                    if (hasArtist != null)
+                    if (child is IHasArtist hasArtist)
                     {
-                        entry.TrackArtist = hasArtist.Artists.FirstOrDefault();
+                        entry.TrackArtist = hasArtist.Artists.Count > 0 ? hasArtist.Artists[0] : null;
                     }
 
                     if (child.RunTimeTicks.HasValue)
@@ -411,8 +407,10 @@ namespace Emby.Server.Implementations.Playlists
 
             if (string.Equals(".m3u", extension, StringComparison.OrdinalIgnoreCase))
             {
-                var playlist = new M3uPlaylist();
-                playlist.IsExtended = true;
+                var playlist = new M3uPlaylist
+                {
+                    IsExtended = true
+                };
                 foreach (var child in item.GetLinkedChildren())
                 {
                     var entry = new M3uPlaylistEntry()
@@ -422,10 +420,9 @@ namespace Emby.Server.Implementations.Playlists
                         Album = child.Album
                     };
 
-                    var hasAlbumArtist = child as IHasAlbumArtist;
-                    if (hasAlbumArtist != null)
+                    if (child is IHasAlbumArtist hasAlbumArtist)
                     {
-                        entry.AlbumArtist = hasAlbumArtist.AlbumArtists.FirstOrDefault();
+                        entry.AlbumArtist = hasAlbumArtist.AlbumArtists.Count > 0 ? hasAlbumArtist.AlbumArtists[0] : null;
                     }
 
                     if (child.RunTimeTicks.HasValue)
@@ -453,10 +450,9 @@ namespace Emby.Server.Implementations.Playlists
                         Album = child.Album
                     };
 
-                    var hasAlbumArtist = child as IHasAlbumArtist;
-                    if (hasAlbumArtist != null)
+                    if (child is IHasAlbumArtist hasAlbumArtist)
                     {
-                        entry.AlbumArtist = hasAlbumArtist.AlbumArtists.FirstOrDefault();
+                        entry.AlbumArtist = hasAlbumArtist.AlbumArtists.Count > 0 ? hasAlbumArtist.AlbumArtists[0] : null;
                     }
 
                     if (child.RunTimeTicks.HasValue)
@@ -514,7 +510,7 @@ namespace Emby.Server.Implementations.Playlists
 
             if (!folderPath.EndsWith(Path.DirectorySeparatorChar))
             {
-                folderPath = folderPath + Path.DirectorySeparatorChar;
+                folderPath += Path.DirectorySeparatorChar;
             }
 
             var folderUri = new Uri(folderPath);
@@ -537,32 +533,12 @@ namespace Emby.Server.Implementations.Playlists
             return relativePath;
         }
 
-        private static string UnEscape(string content)
-        {
-            if (content == null)
-            {
-                return content;
-            }
-
-            return content.Replace("&amp;", "&").Replace("&apos;", "'").Replace("&quot;", "\"").Replace("&gt;", ">").Replace("&lt;", "<");
-        }
-
-        private static string Escape(string content)
-        {
-            if (content == null)
-            {
-                return null;
-            }
-
-            return content.Replace("&", "&amp;").Replace("'", "&apos;").Replace("\"", "&quot;").Replace(">", "&gt;").Replace("<", "&lt;");
-        }
-
         public Folder GetPlaylistsFolder(Guid userId)
         {
-            var typeName = "PlaylistsFolder";
+            const string TypeName = "PlaylistsFolder";
 
-            return _libraryManager.RootFolder.Children.OfType<Folder>().FirstOrDefault(i => string.Equals(i.GetType().Name, typeName, StringComparison.Ordinal)) ??
-                _libraryManager.GetUserRootFolder().Children.OfType<Folder>().FirstOrDefault(i => string.Equals(i.GetType().Name, typeName, StringComparison.Ordinal));
+            return _libraryManager.RootFolder.Children.OfType<Folder>().FirstOrDefault(i => string.Equals(i.GetType().Name, TypeName, StringComparison.Ordinal)) ??
+                _libraryManager.GetUserRootFolder().Children.OfType<Folder>().FirstOrDefault(i => string.Equals(i.GetType().Name, TypeName, StringComparison.Ordinal));
         }
     }
 }
diff --git a/Emby.Server.Implementations/Services/ServiceController.cs b/Emby.Server.Implementations/Services/ServiceController.cs
index d884d4f37..47e7261e8 100644
--- a/Emby.Server.Implementations/Services/ServiceController.cs
+++ b/Emby.Server.Implementations/Services/ServiceController.cs
@@ -2,6 +2,7 @@
 
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Threading.Tasks;
 using Emby.Server.Implementations.HttpServer;
 using MediaBrowser.Model.Services;
@@ -91,12 +92,22 @@ namespace Emby.Server.Implementations.Services
         {
             if (restPath.Path[0] != '/')
             {
-                throw new ArgumentException(string.Format("Route '{0}' on '{1}' must start with a '/'", restPath.Path, restPath.RequestType.GetMethodName()));
+                throw new ArgumentException(
+                    string.Format(
+                        CultureInfo.InvariantCulture,
+                        "Route '{0}' on '{1}' must start with a '/'",
+                        restPath.Path,
+                        restPath.RequestType.GetMethodName()));
             }
 
             if (restPath.Path.IndexOfAny(InvalidRouteChars) != -1)
             {
-                throw new ArgumentException(string.Format("Route '{0}' on '{1}' contains invalid chars. ", restPath.Path, restPath.RequestType.GetMethodName()));
+                throw new ArgumentException(
+                    string.Format(
+                        CultureInfo.InvariantCulture,
+                        "Route '{0}' on '{1}' contains invalid chars. ",
+                        restPath.Path,
+                        restPath.RequestType.GetMethodName()));
             }
 
             if (RestPathMap.TryGetValue(restPath.FirstMatchHashKey, out List<RestPath> pathsAtFirstMatch))
@@ -179,8 +190,7 @@ namespace Emby.Server.Implementations.Services
 
             var service = httpHost.CreateInstance(serviceType);
 
-            var serviceRequiresContext = service as IRequiresRequest;
-            if (serviceRequiresContext != null)
+            if (service is IRequiresRequest serviceRequiresContext)
             {
                 serviceRequiresContext.Request = req;
             }
diff --git a/Emby.Server.Implementations/Services/ServiceHandler.cs b/Emby.Server.Implementations/Services/ServiceHandler.cs
index c87e418c2..b4166f771 100644
--- a/Emby.Server.Implementations/Services/ServiceHandler.cs
+++ b/Emby.Server.Implementations/Services/ServiceHandler.cs
@@ -71,7 +71,7 @@ namespace Emby.Server.Implementations.Services
             return null;
         }
 
-        public async Task ProcessRequestAsync(HttpListenerHost httpHost, IRequest httpReq, HttpResponse httpRes, ILogger logger, CancellationToken cancellationToken)
+        public async Task ProcessRequestAsync(HttpListenerHost httpHost, IRequest httpReq, HttpResponse httpRes, CancellationToken cancellationToken)
         {
             httpReq.Items["__route"] = _restPath;
 
@@ -80,10 +80,10 @@ namespace Emby.Server.Implementations.Services
                 httpReq.ResponseContentType = _responseContentType;
             }
 
-            var request = await CreateRequest(httpHost, httpReq, _restPath, logger).ConfigureAwait(false);
+            var request = await CreateRequest(httpHost, httpReq, _restPath).ConfigureAwait(false);
 
             httpHost.ApplyRequestFilters(httpReq, httpRes, request);
-            
+
             httpRes.HttpContext.SetServiceStackRequest(httpReq);
             var response = await httpHost.ServiceController.Execute(httpHost, request, httpReq).ConfigureAwait(false);
 
@@ -96,7 +96,7 @@ namespace Emby.Server.Implementations.Services
             await ResponseHelper.WriteToResponse(httpRes, httpReq, response, cancellationToken).ConfigureAwait(false);
         }
 
-        public static async Task<object> CreateRequest(HttpListenerHost host, IRequest httpReq, RestPath restPath, ILogger logger)
+        public static async Task<object> CreateRequest(HttpListenerHost host, IRequest httpReq, RestPath restPath)
         {
             var requestType = restPath.RequestType;
 
diff --git a/Emby.Server.Implementations/Services/SwaggerService.cs b/Emby.Server.Implementations/Services/SwaggerService.cs
deleted file mode 100644
index 4f011a678..000000000
--- a/Emby.Server.Implementations/Services/SwaggerService.cs
+++ /dev/null
@@ -1,287 +0,0 @@
-#pragma warning disable CS1591
-
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using Emby.Server.Implementations.HttpServer;
-using MediaBrowser.Controller.Net;
-using MediaBrowser.Model.Services;
-
-namespace Emby.Server.Implementations.Services
-{
-    [Route("/swagger", "GET", Summary = "Gets the swagger specifications")]
-    [Route("/swagger.json", "GET", Summary = "Gets the swagger specifications")]
-    public class GetSwaggerSpec : IReturn<SwaggerSpec>
-    {
-    }
-
-    public class SwaggerSpec
-    {
-        public string swagger { get; set; }
-
-        public string[] schemes { get; set; }
-
-        public SwaggerInfo info { get; set; }
-
-        public string host { get; set; }
-
-        public string basePath { get; set; }
-
-        public SwaggerTag[] tags { get; set; }
-
-        public IDictionary<string, Dictionary<string, SwaggerMethod>> paths { get; set; }
-
-        public Dictionary<string, SwaggerDefinition> definitions { get; set; }
-
-        public SwaggerComponents components { get; set; }
-    }
-
-    public class SwaggerComponents
-    {
-        public Dictionary<string, SwaggerSecurityScheme> securitySchemes { get; set; }
-    }
-
-    public class SwaggerSecurityScheme
-    {
-        public string name { get; set; }
-
-        public string type { get; set; }
-
-        public string @in { get; set; }
-    }
-
-    public class SwaggerInfo
-    {
-        public string description { get; set; }
-
-        public string version { get; set; }
-
-        public string title { get; set; }
-
-        public string termsOfService { get; set; }
-
-        public SwaggerConcactInfo contact { get; set; }
-    }
-
-    public class SwaggerConcactInfo
-    {
-        public string email { get; set; }
-
-        public string name { get; set; }
-
-        public string url { get; set; }
-    }
-
-    public class SwaggerTag
-    {
-        public string description { get; set; }
-
-        public string name { get; set; }
-    }
-
-    public class SwaggerMethod
-    {
-        public string summary { get; set; }
-
-        public string description { get; set; }
-
-        public string[] tags { get; set; }
-
-        public string operationId { get; set; }
-
-        public string[] consumes { get; set; }
-
-        public string[] produces { get; set; }
-
-        public SwaggerParam[] parameters { get; set; }
-
-        public Dictionary<string, SwaggerResponse> responses { get; set; }
-
-        public Dictionary<string, string[]>[] security { get; set; }
-    }
-
-    public class SwaggerParam
-    {
-        public string @in { get; set; }
-
-        public string name { get; set; }
-
-        public string description { get; set; }
-
-        public bool required { get; set; }
-
-        public string type { get; set; }
-
-        public string collectionFormat { get; set; }
-    }
-
-    public class SwaggerResponse
-    {
-        public string description { get; set; }
-
-        // ex. "$ref":"#/definitions/Pet"
-        public Dictionary<string, string> schema { get; set; }
-    }
-
-    public class SwaggerDefinition
-    {
-        public string type { get; set; }
-
-        public Dictionary<string, SwaggerProperty> properties { get; set; }
-    }
-
-    public class SwaggerProperty
-    {
-        public string type { get; set; }
-
-        public string format { get; set; }
-
-        public string description { get; set; }
-
-        public string[] @enum { get; set; }
-
-        public string @default { get; set; }
-    }
-
-    public class SwaggerService : IService, IRequiresRequest
-    {
-        private readonly IHttpServer _httpServer;
-        private SwaggerSpec _spec;
-
-        public IRequest Request { get; set; }
-
-        public SwaggerService(IHttpServer httpServer)
-        {
-            _httpServer = httpServer;
-        }
-
-        public object Get(GetSwaggerSpec request)
-        {
-            return _spec ?? (_spec = GetSpec());
-        }
-
-        private SwaggerSpec GetSpec()
-        {
-            string host = null;
-            Uri uri;
-            if (Uri.TryCreate(Request.RawUrl, UriKind.Absolute, out uri))
-            {
-                host = uri.Host;
-            }
-
-            var securitySchemes = new Dictionary<string, SwaggerSecurityScheme>();
-
-            securitySchemes["api_key"] = new SwaggerSecurityScheme
-            {
-                name = "api_key",
-                type = "apiKey",
-                @in = "query"
-            };
-
-            var spec = new SwaggerSpec
-            {
-                schemes = new[] { "http" },
-                tags = GetTags(),
-                swagger = "2.0",
-                info = new SwaggerInfo
-                {
-                    title = "Jellyfin Server API",
-                    version = "1.0.0",
-                    description = "Explore the Jellyfin Server API",
-                    contact = new SwaggerConcactInfo
-                    {
-                        name = "Jellyfin Community",
-                        url = "https://jellyfin.readthedocs.io/en/latest/user-docs/getting-help/"
-                    }
-                },
-                paths = GetPaths(),
-                definitions = GetDefinitions(),
-                basePath = "/jellyfin",
-                host = host,
-
-                components = new SwaggerComponents
-                {
-                    securitySchemes = securitySchemes
-                }
-            };
-
-            return spec;
-        }
-
-
-        private SwaggerTag[] GetTags()
-        {
-            return Array.Empty<SwaggerTag>();
-        }
-
-        private Dictionary<string, SwaggerDefinition> GetDefinitions()
-        {
-            return new Dictionary<string, SwaggerDefinition>();
-        }
-
-        private IDictionary<string, Dictionary<string, SwaggerMethod>> GetPaths()
-        {
-            var paths = new SortedDictionary<string, Dictionary<string, SwaggerMethod>>();
-
-            // REVIEW: this can be done better
-            var all = ((HttpListenerHost)_httpServer).ServiceController.RestPathMap.OrderBy(i => i.Key, StringComparer.OrdinalIgnoreCase).ToList();
-
-            foreach (var current in all)
-            {
-                foreach (var info in current.Value)
-                {
-                    if (info.IsHidden)
-                    {
-                        continue;
-                    }
-
-                    if (info.Path.StartsWith("/mediabrowser", StringComparison.OrdinalIgnoreCase)
-                        || info.Path.StartsWith("/jellyfin", StringComparison.OrdinalIgnoreCase))
-                    {
-                        continue;
-                    }
-
-                    paths[info.Path] = GetPathInfo(info);
-                }
-            }
-
-            return paths;
-        }
-
-        private Dictionary<string, SwaggerMethod> GetPathInfo(RestPath info)
-        {
-            var result = new Dictionary<string, SwaggerMethod>();
-
-            foreach (var verb in info.Verbs)
-            {
-                var responses = new Dictionary<string, SwaggerResponse>
-                {
-                    { "200", new SwaggerResponse { description = "OK" } }
-                };
-
-                var apiKeySecurity = new Dictionary<string, string[]>
-                {
-                    { "api_key",  Array.Empty<string>() }
-                };
-
-                result[verb.ToLowerInvariant()] = new SwaggerMethod
-                {
-                    summary = info.Summary,
-                    description = info.Description,
-                    produces = new[] { "application/json" },
-                    consumes = new[] { "application/json" },
-                    operationId = info.RequestType.Name,
-                    tags = Array.Empty<string>(),
-
-                    parameters = Array.Empty<SwaggerParam>(),
-
-                    responses = responses,
-
-                    security = new[] { apiKeySecurity }
-                };
-            }
-
-            return result;
-        }
-    }
-}
diff --git a/Emby.Server.Implementations/Session/SessionManager.cs b/Emby.Server.Implementations/Session/SessionManager.cs
index 78cc02e99..8a8223ee7 100644
--- a/Emby.Server.Implementations/Session/SessionManager.cs
+++ b/Emby.Server.Implementations/Session/SessionManager.cs
@@ -848,8 +848,8 @@ namespace Emby.Server.Implementations.Session
         /// </summary>
         /// <param name="info">The info.</param>
         /// <returns>Task.</returns>
-        /// <exception cref="ArgumentNullException">info</exception>
-        /// <exception cref="ArgumentOutOfRangeException">positionTicks</exception>
+        /// <exception cref="ArgumentNullException"><c>info</c> is <c>null</c>.</exception>
+        /// <exception cref="ArgumentOutOfRangeException"><c>info.PositionTicks</c> is <c>null</c> or negative.</exception>
         public async Task OnPlaybackStopped(PlaybackStopInfo info)
         {
             CheckDisposed();
diff --git a/Emby.Server.Implementations/Session/SessionWebSocketListener.cs b/Emby.Server.Implementations/Session/SessionWebSocketListener.cs
index b9db6ecd0..8bebd37dc 100644
--- a/Emby.Server.Implementations/Session/SessionWebSocketListener.cs
+++ b/Emby.Server.Implementations/Session/SessionWebSocketListener.cs
@@ -93,7 +93,7 @@ namespace Emby.Server.Implementations.Session
             if (session != null)
             {
                 EnsureController(session, e.Argument);
-                await KeepAliveWebSocket(e.Argument);
+                await KeepAliveWebSocket(e.Argument).ConfigureAwait(false);
             }
             else
             {
@@ -177,7 +177,7 @@ namespace Emby.Server.Implementations.Session
             // Notify WebSocket about timeout
             try
             {
-                await SendForceKeepAlive(webSocket);
+                await SendForceKeepAlive(webSocket).ConfigureAwait(false);
             }
             catch (WebSocketException exception)
             {
@@ -233,6 +233,7 @@ namespace Emby.Server.Implementations.Session
                 if (_keepAliveCancellationToken != null)
                 {
                     _keepAliveCancellationToken.Cancel();
+                    _keepAliveCancellationToken.Dispose();
                     _keepAliveCancellationToken = null;
                 }
             }
@@ -268,7 +269,7 @@ namespace Emby.Server.Implementations.Session
                 lost = _webSockets.Where(i => (DateTime.UtcNow - i.LastKeepAliveDate).TotalSeconds >= WebSocketLostTimeout).ToList();
             }
 
-            if (inactive.Any())
+            if (inactive.Count > 0)
             {
                 _logger.LogInformation("Sending ForceKeepAlive message to {0} inactive WebSockets.", inactive.Count);
             }
@@ -277,7 +278,7 @@ namespace Emby.Server.Implementations.Session
             {
                 try
                 {
-                    await SendForceKeepAlive(webSocket);
+                    await SendForceKeepAlive(webSocket).ConfigureAwait(false);
                 }
                 catch (WebSocketException exception)
                 {
@@ -288,7 +289,7 @@ namespace Emby.Server.Implementations.Session
 
             lock (_webSocketsLock)
             {
-                if (lost.Any())
+                if (lost.Count > 0)
                 {
                     _logger.LogInformation("Lost {0} WebSockets.", lost.Count);
                     foreach (var webSocket in lost)
@@ -298,7 +299,7 @@ namespace Emby.Server.Implementations.Session
                     }
                 }
 
-                if (!_webSockets.Any())
+                if (_webSockets.Count == 0)
                 {
                     StopKeepAlive();
                 }
@@ -312,11 +313,13 @@ namespace Emby.Server.Implementations.Session
         /// <returns>Task.</returns>
         private Task SendForceKeepAlive(IWebSocketConnection webSocket)
         {
-            return webSocket.SendAsync(new WebSocketMessage<int>
-            {
-                MessageType = "ForceKeepAlive",
-                Data = WebSocketLostTimeout
-            }, CancellationToken.None);
+            return webSocket.SendAsync(
+                new WebSocketMessage<int>
+                {
+                    MessageType = "ForceKeepAlive",
+                    Data = WebSocketLostTimeout
+                },
+                CancellationToken.None);
         }
 
         /// <summary>
@@ -330,12 +333,11 @@ namespace Emby.Server.Implementations.Session
         {
             while (!cancellationToken.IsCancellationRequested)
             {
-                await callback();
-                Task task = Task.Delay(interval, cancellationToken);
+                await callback().ConfigureAwait(false);
 
                 try
                 {
-                    await task;
+                    await Task.Delay(interval, cancellationToken).ConfigureAwait(false);
                 }
                 catch (TaskCanceledException)
                 {
diff --git a/Emby.Server.Implementations/Sorting/AiredEpisodeOrderComparer.cs b/Emby.Server.Implementations/Sorting/AiredEpisodeOrderComparer.cs
index 2b7d818be..1f68a9c81 100644
--- a/Emby.Server.Implementations/Sorting/AiredEpisodeOrderComparer.cs
+++ b/Emby.Server.Implementations/Sorting/AiredEpisodeOrderComparer.cs
@@ -154,8 +154,8 @@ namespace Emby.Server.Implementations.Sorting
 
         private static int CompareEpisodes(Episode x, Episode y)
         {
-            var xValue = (x.ParentIndexNumber ?? -1) * 1000 + (x.IndexNumber ?? -1);
-            var yValue = (y.ParentIndexNumber ?? -1) * 1000 + (y.IndexNumber ?? -1);
+            var xValue = ((x.ParentIndexNumber ?? -1) * 1000) + (x.IndexNumber ?? -1);
+            var yValue = ((y.ParentIndexNumber ?? -1) * 1000) + (y.IndexNumber ?? -1);
 
             return xValue.CompareTo(yValue);
         }
diff --git a/Emby.Server.Implementations/SyncPlay/SyncPlayController.cs b/Emby.Server.Implementations/SyncPlay/SyncPlayController.cs
index 39d17833f..80b977731 100644
--- a/Emby.Server.Implementations/SyncPlay/SyncPlayController.cs
+++ b/Emby.Server.Implementations/SyncPlay/SyncPlayController.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
@@ -27,14 +28,17 @@ namespace Emby.Server.Implementations.SyncPlay
             /// All sessions will receive the message.
             /// </summary>
             AllGroup = 0,
+
             /// <summary>
             /// Only the specified session will receive the message.
             /// </summary>
             CurrentSession = 1,
+
             /// <summary>
             /// All sessions, except the current one, will receive the message.
             /// </summary>
             AllExceptCurrentSession = 2,
+
             /// <summary>
             /// Only sessions that are not buffering will receive the message.
             /// </summary>
@@ -56,15 +60,6 @@ namespace Emby.Server.Implementations.SyncPlay
         /// </summary>
         private readonly GroupInfo _group = new GroupInfo();
 
-        /// <inheritdoc />
-        public Guid GetGroupId() => _group.GroupId;
-
-        /// <inheritdoc />
-        public Guid GetPlayingItemId() => _group.PlayingItem.Id;
-
-        /// <inheritdoc />
-        public bool IsGroupEmpty() => _group.IsEmpty();
-
         /// <summary>
         /// Initializes a new instance of the <see cref="SyncPlayController" /> class.
         /// </summary>
@@ -78,6 +73,15 @@ namespace Emby.Server.Implementations.SyncPlay
             _syncPlayManager = syncPlayManager;
         }
 
+        /// <inheritdoc />
+        public Guid GetGroupId() => _group.GroupId;
+
+        /// <inheritdoc />
+        public Guid GetPlayingItemId() => _group.PlayingItem.Id;
+
+        /// <inheritdoc />
+        public bool IsGroupEmpty() => _group.IsEmpty();
+
         /// <summary>
         /// Converts DateTime to UTC string.
         /// </summary>
@@ -85,7 +89,7 @@ namespace Emby.Server.Implementations.SyncPlay
         /// <value>The UTC string.</value>
         private string DateToUTCString(DateTime date)
         {
-            return date.ToUniversalTime().ToString("o");
+            return date.ToUniversalTime().ToString("o", CultureInfo.InvariantCulture);
         }
 
         /// <summary>
@@ -94,23 +98,23 @@ namespace Emby.Server.Implementations.SyncPlay
         /// <param name="from">The current session.</param>
         /// <param name="type">The filtering type.</param>
         /// <value>The array of sessions matching the filter.</value>
-        private SessionInfo[] FilterSessions(SessionInfo from, BroadcastType type)
+        private IEnumerable<SessionInfo> FilterSessions(SessionInfo from, BroadcastType type)
         {
             switch (type)
             {
                 case BroadcastType.CurrentSession:
                     return new SessionInfo[] { from };
                 case BroadcastType.AllGroup:
-                    return _group.Participants.Values.Select(
-                        session => session.Session).ToArray();
+                    return _group.Participants.Values
+                        .Select(session => session.Session);
                 case BroadcastType.AllExceptCurrentSession:
-                    return _group.Participants.Values.Select(
-                        session => session.Session).Where(
-                        session => !session.Id.Equals(from.Id)).ToArray();
+                    return _group.Participants.Values
+                        .Select(session => session.Session)
+                        .Where(session => !session.Id.Equals(from.Id, StringComparison.Ordinal));
                 case BroadcastType.AllReady:
-                    return _group.Participants.Values.Where(
-                        session => !session.IsBuffering).Select(
-                        session => session.Session).ToArray();
+                    return _group.Participants.Values
+                        .Where(session => !session.IsBuffering)
+                        .Select(session => session.Session);
                 default:
                     return Array.Empty<SessionInfo>();
             }
@@ -128,10 +132,9 @@ namespace Emby.Server.Implementations.SyncPlay
         {
             IEnumerable<Task> GetTasks()
             {
-                SessionInfo[] sessions = FilterSessions(from, type);
-                foreach (var session in sessions)
+                foreach (var session in FilterSessions(from, type))
                 {
-                    yield return _sessionManager.SendSyncPlayGroupUpdate(session.Id.ToString(), message, cancellationToken);
+                    yield return _sessionManager.SendSyncPlayGroupUpdate(session.Id, message, cancellationToken);
                 }
             }
 
@@ -150,10 +153,9 @@ namespace Emby.Server.Implementations.SyncPlay
         {
             IEnumerable<Task> GetTasks()
             {
-                SessionInfo[] sessions = FilterSessions(from, type);
-                foreach (var session in sessions)
+                foreach (var session in FilterSessions(from, type))
                 {
-                    yield return _sessionManager.SendSyncPlayCommand(session.Id.ToString(), message, cancellationToken);
+                    yield return _sessionManager.SendSyncPlayCommand(session.Id, message, cancellationToken);
                 }
             }
 
@@ -236,9 +238,11 @@ namespace Emby.Server.Implementations.SyncPlay
             }
             else
             {
-                var playRequest = new PlayRequest();
-                playRequest.ItemIds = new Guid[] { _group.PlayingItem.Id };
-                playRequest.StartPositionTicks = _group.PositionTicks;
+                var playRequest = new PlayRequest
+                {
+                    ItemIds = new Guid[] { _group.PlayingItem.Id },
+                    StartPositionTicks = _group.PositionTicks
+                };
                 var update = NewSyncPlayGroupUpdate(GroupUpdateType.PrepareSession, playRequest);
                 SendGroupUpdate(session, BroadcastType.CurrentSession, update, cancellationToken);
             }