Merge branch 'master' of github.com:jellyfin/jellyfin into socket-binding

34 files changed, 303 insertions, 175 deletions

diff --git a/.ci/azure-pipelines-package.yml b/.ci/azure-pipelines-package.yml
index 090746398..5539b16ab 100644
--- a/.ci/azure-pipelines-package.yml
+++ b/.ci/azure-pipelines-package.yml
@@ -50,6 +50,13 @@ jobs:
       targetPath: '$(Build.SourcesDirectory)/deployment/dist'
       artifactName: 'jellyfin-server-$(BuildConfiguration)'
 
+  - task: SSH@0
+    displayName: 'Create target directory on repository server'
+    inputs:
+      sshEndpoint: repository
+      runOptions: 'inline'
+      inline: 'mkdir -p /srv/repository/incoming/azure/$(Build.BuildNumber)/$(BuildConfiguration)'
+
   - task: CopyFilesOverSSH@0
     displayName: 'Upload artifacts to repository server'
     inputs:
diff --git a/Emby.Server.Implementations/EntryPoints/UdpServerEntryPoint.cs b/Emby.Server.Implementations/EntryPoints/UdpServerEntryPoint.cs
index b207397bd..9486874d5 100644
--- a/Emby.Server.Implementations/EntryPoints/UdpServerEntryPoint.cs
+++ b/Emby.Server.Implementations/EntryPoints/UdpServerEntryPoint.cs
@@ -1,3 +1,4 @@
+using System.Net.Sockets;
 using System.Threading;
 using System.Threading.Tasks;
 using Emby.Server.Implementations.Udp;
@@ -48,8 +49,16 @@ namespace Emby.Server.Implementations.EntryPoints
         /// <inheritdoc />
         public Task RunAsync()
         {
-            _udpServer = new UdpServer(_logger, _appHost, _config);
-            _udpServer.Start(PortNumber, _cancellationTokenSource.Token);
+            try
+            {
+                _udpServer = new UdpServer(_logger, _appHost, _config);
+                _udpServer.Start(PortNumber, _cancellationTokenSource.Token);
+            }
+            catch (SocketException ex)
+            {
+                _logger.LogWarning(ex, "Unable to start AutoDiscovery listener on UDP port {PortNumber}", PortNumber);
+            }
+
             return Task.CompletedTask;
         }
 
diff --git a/Emby.Server.Implementations/Library/LibraryManager.cs b/Emby.Server.Implementations/Library/LibraryManager.cs
index 77d44e131..06cfc78b3 100644
--- a/Emby.Server.Implementations/Library/LibraryManager.cs
+++ b/Emby.Server.Implementations/Library/LibraryManager.cs
@@ -341,7 +341,7 @@ namespace Emby.Server.Implementations.Library
             if (item is LiveTvProgram)
             {
                 _logger.LogDebug(
-                    "Deleting item, Type: {0}, Name: {1}, Path: {2}, Id: {3}",
+                    "Removing item, Type: {0}, Name: {1}, Path: {2}, Id: {3}",
                     item.GetType().Name,
                     item.Name ?? "Unknown name",
                     item.Path ?? string.Empty,
@@ -350,7 +350,7 @@ namespace Emby.Server.Implementations.Library
             else
             {
                 _logger.LogInformation(
-                    "Deleting item, Type: {0}, Name: {1}, Path: {2}, Id: {3}",
+                    "Removing item, Type: {0}, Name: {1}, Path: {2}, Id: {3}",
                     item.GetType().Name,
                     item.Name ?? "Unknown name",
                     item.Path ?? string.Empty,
@@ -368,7 +368,12 @@ namespace Emby.Server.Implementations.Library
                     continue;
                 }
 
-                _logger.LogDebug("Deleting path {MetadataPath}", metadataPath);
+                _logger.LogDebug(
+                    "Deleting metadata path, Type: {0}, Name: {1}, Path: {2}, Id: {3}",
+                    item.GetType().Name,
+                    item.Name ?? "Unknown name",
+                    metadataPath,
+                    item.Id);
 
                 try
                 {
@@ -392,7 +397,13 @@ namespace Emby.Server.Implementations.Library
                     {
                         try
                         {
-                            _logger.LogDebug("Deleting path {path}", fileSystemInfo.FullName);
+                            _logger.LogInformation(
+                                "Deleting item path, Type: {0}, Name: {1}, Path: {2}, Id: {3}",
+                                item.GetType().Name,
+                                item.Name ?? "Unknown name",
+                                fileSystemInfo.FullName,
+                                item.Id);
+
                             if (fileSystemInfo.IsDirectory)
                             {
                                 Directory.Delete(fileSystemInfo.FullName, true);
diff --git a/Emby.Server.Implementations/Localization/Core/af.json b/Emby.Server.Implementations/Localization/Core/af.json
index 20447347b..e587c37d5 100644
--- a/Emby.Server.Implementations/Localization/Core/af.json
+++ b/Emby.Server.Implementations/Localization/Core/af.json
@@ -19,8 +19,8 @@
     "Sync": "Sinkroniseer",
     "HeaderFavoriteSongs": "Gunsteling Liedjies",
     "Songs": "Liedjies",
-    "DeviceOnlineWithName": "{0} is verbind",
-    "DeviceOfflineWithName": "{0} het afgesluit",
+    "DeviceOnlineWithName": "{0} gekoppel is",
+    "DeviceOfflineWithName": "{0} is ontkoppel",
     "Collections": "Versamelings",
     "Inherit": "Ontvang",
     "HeaderLiveTV": "Live TV",
@@ -91,5 +91,9 @@
     "ChapterNameValue": "Hoofstuk",
     "CameraImageUploadedFrom": "'n Nuwe kamera photo opgelaai van {0}",
     "AuthenticationSucceededWithUserName": "{0} suksesvol geverifieer",
-    "Albums": "Albums"
+    "Albums": "Albums",
+    "TasksChannelsCategory": "Internet kanale",
+    "TasksApplicationCategory": "aansoek",
+    "TasksLibraryCategory": "biblioteek",
+    "TasksMaintenanceCategory": "onderhoud"
 }
diff --git a/Emby.Server.Implementations/Localization/Core/de.json b/Emby.Server.Implementations/Localization/Core/de.json
index 82df43be1..a6e9779c9 100644
--- a/Emby.Server.Implementations/Localization/Core/de.json
+++ b/Emby.Server.Implementations/Localization/Core/de.json
@@ -3,7 +3,7 @@
     "AppDeviceValues": "App: {0}, Gerät: {1}",
     "Application": "Anwendung",
     "Artists": "Interpreten",
-    "AuthenticationSucceededWithUserName": "{0} hat sich erfolgreich authentifiziert",
+    "AuthenticationSucceededWithUserName": "{0} hat sich erfolgreich angemeldet",
     "Books": "Bücher",
     "CameraImageUploadedFrom": "Ein neues Foto wurde von {0} hochgeladen",
     "Channels": "Kanäle",
diff --git a/Emby.Server.Implementations/Localization/Core/ms.json b/Emby.Server.Implementations/Localization/Core/ms.json
index 79d078d4a..7f8df1289 100644
--- a/Emby.Server.Implementations/Localization/Core/ms.json
+++ b/Emby.Server.Implementations/Localization/Core/ms.json
@@ -5,47 +5,47 @@
     "Artists": "Artis",
     "AuthenticationSucceededWithUserName": "{0} berjaya disahkan",
     "Books": "Buku-buku",
-    "CameraImageUploadedFrom": "A new camera image has been uploaded from {0}",
+    "CameraImageUploadedFrom": "Ada gambar dari kamera yang baru dimuat naik melalui {0}",
     "Channels": "Saluran",
-    "ChapterNameValue": "Chapter {0}",
+    "ChapterNameValue": "Bab {0}",
     "Collections": "Koleksi",
-    "DeviceOfflineWithName": "{0} has disconnected",
-    "DeviceOnlineWithName": "{0} is connected",
+    "DeviceOfflineWithName": "{0} telah diputuskan sambungan",
+    "DeviceOnlineWithName": "{0} telah disambung",
     "FailedLoginAttemptWithUserName": "Cubaan log masuk gagal dari {0}",
-    "Favorites": "Favorites",
-    "Folders": "Folders",
+    "Favorites": "Kegemaran",
+    "Folders": "Fail-fail",
     "Genres": "Genre-genre",
-    "HeaderAlbumArtists": "Album Artists",
+    "HeaderAlbumArtists": "Album Artis-artis",
     "HeaderCameraUploads": "Muatnaik Kamera",
     "HeaderContinueWatching": "Terus Menonton",
-    "HeaderFavoriteAlbums": "Favorite Albums",
-    "HeaderFavoriteArtists": "Favorite Artists",
-    "HeaderFavoriteEpisodes": "Favorite Episodes",
-    "HeaderFavoriteShows": "Favorite Shows",
-    "HeaderFavoriteSongs": "Favorite Songs",
-    "HeaderLiveTV": "Live TV",
-    "HeaderNextUp": "Next Up",
-    "HeaderRecordingGroups": "Recording Groups",
-    "HomeVideos": "Home videos",
-    "Inherit": "Inherit",
-    "ItemAddedWithName": "{0} was added to the library",
-    "ItemRemovedWithName": "{0} was removed from the library",
+    "HeaderFavoriteAlbums": "Album-album Kegemaran",
+    "HeaderFavoriteArtists": "Artis-artis Kegemaran",
+    "HeaderFavoriteEpisodes": "Episod-episod Kegemaran",
+    "HeaderFavoriteShows": "Rancangan-rancangan Kegemaran",
+    "HeaderFavoriteSongs": "Lagu-lagu Kegemaran",
+    "HeaderLiveTV": "TV Siaran Langsung",
+    "HeaderNextUp": "Seterusnya",
+    "HeaderRecordingGroups": "Kumpulan-kumpulan Rakaman",
+    "HomeVideos": "Video Personal",
+    "Inherit": "Mewarisi",
+    "ItemAddedWithName": "{0} telah ditambahkan ke dalam pustaka",
+    "ItemRemovedWithName": "{0} telah dibuang daripada pustaka",
     "LabelIpAddressValue": "Alamat IP: {0}",
-    "LabelRunningTimeValue": "Running time: {0}",
-    "Latest": "Latest",
-    "MessageApplicationUpdated": "Jellyfin Server has been updated",
-    "MessageApplicationUpdatedTo": "Jellyfin Server has been updated to {0}",
-    "MessageNamedServerConfigurationUpdatedWithValue": "Server configuration section {0} has been updated",
-    "MessageServerConfigurationUpdated": "Server configuration has been updated",
-    "MixedContent": "Mixed content",
-    "Movies": "Movies",
+    "LabelRunningTimeValue": "Masa berjalan: {0}",
+    "Latest": "Terbaru",
+    "MessageApplicationUpdated": "Jellyfin Server telah dikemas kini",
+    "MessageApplicationUpdatedTo": "Jellyfin Server telah dikemas kini ke {0}",
+    "MessageNamedServerConfigurationUpdatedWithValue": "Konfigurasi pelayan di bahagian {0} telah dikemas kini",
+    "MessageServerConfigurationUpdated": "Konfigurasi pelayan telah dikemas kini",
+    "MixedContent": "Kandungan campuran",
+    "Movies": "Filem",
     "Music": "Muzik",
     "MusicVideos": "Video muzik",
-    "NameInstallFailed": "{0} installation failed",
-    "NameSeasonNumber": "Season {0}",
-    "NameSeasonUnknown": "Season Unknown",
-    "NewVersionIsAvailable": "A new version of Jellyfin Server is available for download.",
-    "NotificationOptionApplicationUpdateAvailable": "Application update available",
+    "NameInstallFailed": "{0} pemasangan gagal",
+    "NameSeasonNumber": "Musim {0}",
+    "NameSeasonUnknown": "Musim Tidak Diketahui",
+    "NewVersionIsAvailable": "Versi terbaru Jellyfin Server bersedia untuk dimuat turunkan.",
+    "NotificationOptionApplicationUpdateAvailable": "Kemas kini aplikasi telah sedia",
     "NotificationOptionApplicationUpdateInstalled": "Application update installed",
     "NotificationOptionAudioPlayback": "Audio playback started",
     "NotificationOptionAudioPlaybackStopped": "Audio playback stopped",
diff --git a/Emby.Server.Implementations/Localization/Core/pt.json b/Emby.Server.Implementations/Localization/Core/pt.json
index 5365fff23..b534d0bbe 100644
--- a/Emby.Server.Implementations/Localization/Core/pt.json
+++ b/Emby.Server.Implementations/Localization/Core/pt.json
@@ -104,5 +104,14 @@
     "TaskRefreshChapterImagesDescription": "Cria miniaturas para vídeos que têm capítulos.",
     "TaskCleanCacheDescription": "Apaga ficheiros em cache que já não são usados pelo sistema.",
     "TasksChannelsCategory": "Canais de Internet",
-    "TaskRefreshChapterImages": "Extrair Imagens do Capítulo"
+    "TaskRefreshChapterImages": "Extrair Imagens do Capítulo",
+    "TaskDownloadMissingSubtitlesDescription": "Pesquisa na Internet as legendas em falta com base na configuração de metadados.",
+    "TaskDownloadMissingSubtitles": "Download das legendas em falta",
+    "TaskRefreshChannelsDescription": "Atualiza as informações do canal da Internet.",
+    "TaskCleanTranscodeDescription": "Apagar os ficheiros com mais de um dia, de Transcode.",
+    "TaskCleanTranscode": "Limpar o diretório de Transcode",
+    "TaskUpdatePluginsDescription": "Download e instala as atualizações para plug-ins configurados para atualização automática.",
+    "TaskRefreshPeopleDescription": "Atualiza os metadados para atores e diretores na tua biblioteca de media.",
+    "TaskRefreshPeople": "Atualizar pessoas",
+    "TaskRefreshLibraryDescription": "Pesquisa a tua biblioteca de media por novos ficheiros e atualiza os metadados."
 }
diff --git a/Emby.Server.Implementations/Localization/Core/th.json b/Emby.Server.Implementations/Localization/Core/th.json
index 32538ac03..576aaeb1b 100644
--- a/Emby.Server.Implementations/Localization/Core/th.json
+++ b/Emby.Server.Implementations/Localization/Core/th.json
@@ -67,5 +67,7 @@
     "Artists": "นักแสดง",
     "Application": "แอปพลิเคชั่น",
     "AppDeviceValues": "App: {0}, อุปกรณ์: {1}",
-    "Albums": "อัลบั้ม"
+    "Albums": "อัลบั้ม",
+    "ScheduledTaskStartedWithName": "{0} เริ่มต้น",
+    "ScheduledTaskFailedWithName": "{0} ล้มเหลว"
 }
diff --git a/Emby.Server.Implementations/Session/SessionManager.cs b/Emby.Server.Implementations/Session/SessionManager.cs
index d069d1ada..ca9f95c70 100644
--- a/Emby.Server.Implementations/Session/SessionManager.cs
+++ b/Emby.Server.Implementations/Session/SessionManager.cs
@@ -296,7 +296,7 @@ namespace Emby.Server.Implementations.Session
                     }
                     catch (DbUpdateConcurrencyException e)
                     {
-                        _logger.LogWarning(e, "Error updating user's last activity date.");
+                        _logger.LogDebug(e, "Error updating user's last activity date.");
                     }
                 }
             }
diff --git a/Emby.Server.Implementations/SyncPlay/SyncPlayController.cs b/Emby.Server.Implementations/SyncPlay/SyncPlayController.cs
index b1f8fd330..39d17833f 100644
--- a/Emby.Server.Implementations/SyncPlay/SyncPlayController.cs
+++ b/Emby.Server.Implementations/SyncPlay/SyncPlayController.cs
@@ -194,26 +194,24 @@ namespace Emby.Server.Implementations.SyncPlay
         }
 
         /// <inheritdoc />
-        public void InitGroup(SessionInfo session, CancellationToken cancellationToken)
+        public void CreateGroup(SessionInfo session, CancellationToken cancellationToken)
         {
             _group.AddSession(session);
             _syncPlayManager.AddSessionToGroup(session, this);
 
             _group.PlayingItem = session.FullNowPlayingItem;
-            _group.IsPaused = true;
+            _group.IsPaused = session.PlayState.IsPaused;
             _group.PositionTicks = session.PlayState.PositionTicks ?? 0;
             _group.LastActivity = DateTime.UtcNow;
 
             var updateSession = NewSyncPlayGroupUpdate(GroupUpdateType.GroupJoined, DateToUTCString(DateTime.UtcNow));
             SendGroupUpdate(session, BroadcastType.CurrentSession, updateSession, cancellationToken);
-            var pauseCommand = NewSyncPlayCommand(SendCommandType.Pause);
-            SendCommand(session, BroadcastType.CurrentSession, pauseCommand, cancellationToken);
         }
 
         /// <inheritdoc />
         public void SessionJoin(SessionInfo session, JoinGroupRequest request, CancellationToken cancellationToken)
         {
-            if (session.NowPlayingItem?.Id == _group.PlayingItem.Id && request.PlayingItemId == _group.PlayingItem.Id)
+            if (session.NowPlayingItem?.Id == _group.PlayingItem.Id)
             {
                 _group.AddSession(session);
                 _syncPlayManager.AddSessionToGroup(session, this);
@@ -224,7 +222,7 @@ namespace Emby.Server.Implementations.SyncPlay
                 var updateOthers = NewSyncPlayGroupUpdate(GroupUpdateType.UserJoined, session.UserName);
                 SendGroupUpdate(session, BroadcastType.AllExceptCurrentSession, updateOthers, cancellationToken);
 
-                // Client join and play, syncing will happen client side
+                // Syncing will happen client-side
                 if (!_group.IsPaused)
                 {
                     var playCommand = NewSyncPlayCommand(SendCommandType.Play);
@@ -262,10 +260,9 @@ namespace Emby.Server.Implementations.SyncPlay
         /// <inheritdoc />
         public void HandleRequest(SessionInfo session, PlaybackRequest request, CancellationToken cancellationToken)
         {
-            // The server's job is to mantain a consistent state to which clients refer to,
-            // as also to notify clients of state changes.
-            // The actual syncing of media playback happens client side.
-            // Clients are aware of the server's time and use it to sync.
+            // The server's job is to maintain a consistent state for clients to reference
+            // and notify clients of state changes. The actual syncing of media playback
+            // happens client side. Clients are aware of the server's time and use it to sync.
             switch (request.Type)
             {
                 case PlaybackRequestType.Play:
@@ -277,13 +274,13 @@ namespace Emby.Server.Implementations.SyncPlay
                 case PlaybackRequestType.Seek:
                     HandleSeekRequest(session, request, cancellationToken);
                     break;
-                case PlaybackRequestType.Buffering:
+                case PlaybackRequestType.Buffer:
                     HandleBufferingRequest(session, request, cancellationToken);
                     break;
-                case PlaybackRequestType.BufferingDone:
+                case PlaybackRequestType.Ready:
                     HandleBufferingDoneRequest(session, request, cancellationToken);
                     break;
-                case PlaybackRequestType.UpdatePing:
+                case PlaybackRequestType.Ping:
                     HandlePingUpdateRequest(session, request);
                     break;
             }
@@ -301,7 +298,7 @@ namespace Emby.Server.Implementations.SyncPlay
             {
                 // Pick a suitable time that accounts for latency
                 var delay = _group.GetHighestPing() * 2;
-                delay = delay < _group.DefaulPing ? _group.DefaulPing : delay;
+                delay = delay < _group.DefaultPing ? _group.DefaultPing : delay;
 
                 // Unpause group and set starting point in future
                 // Clients will start playback at LastActivity (datetime) from PositionTicks (playback position)
@@ -337,8 +334,9 @@ namespace Emby.Server.Implementations.SyncPlay
                 var currentTime = DateTime.UtcNow;
                 var elapsedTime = currentTime - _group.LastActivity;
                 _group.LastActivity = currentTime;
+
                 // Seek only if playback actually started
-                // (a pause request may be issued during the delay added to account for latency)
+                // Pause request may be issued during the delay added to account for latency
                 _group.PositionTicks += elapsedTime.Ticks > 0 ? elapsedTime.Ticks : 0;
 
                 var command = NewSyncPlayCommand(SendCommandType.Pause);
@@ -451,7 +449,7 @@ namespace Emby.Server.Implementations.SyncPlay
                     {
                         // Client, that was buffering, resumed playback but did not update others in time
                         delay = _group.GetHighestPing() * 2;
-                        delay = delay < _group.DefaulPing ? _group.DefaulPing : delay;
+                        delay = delay < _group.DefaultPing ? _group.DefaultPing : delay;
 
                         _group.LastActivity = currentTime.AddMilliseconds(
                             delay);
@@ -495,7 +493,7 @@ namespace Emby.Server.Implementations.SyncPlay
         private void HandlePingUpdateRequest(SessionInfo session, PlaybackRequest request)
         {
             // Collected pings are used to account for network latency when unpausing playback
-            _group.UpdatePing(session, request.Ping ?? _group.DefaulPing);
+            _group.UpdatePing(session, request.Ping ?? _group.DefaultPing);
         }
 
         /// <inheritdoc />
diff --git a/Emby.Server.Implementations/SyncPlay/SyncPlayManager.cs b/Emby.Server.Implementations/SyncPlay/SyncPlayManager.cs
index 45a43fd78..966ed5024 100644
--- a/Emby.Server.Implementations/SyncPlay/SyncPlayManager.cs
+++ b/Emby.Server.Implementations/SyncPlay/SyncPlayManager.cs
@@ -170,10 +170,11 @@ namespace Emby.Server.Implementations.SyncPlay
             {
                 _logger.LogWarning("NewGroup: {0} does not have permission to create groups.", session.Id);
 
-                var error = new GroupUpdate<string>()
+                var error = new GroupUpdate<string>
                 {
                     Type = GroupUpdateType.CreateGroupDenied
                 };
+
                 _sessionManager.SendSyncPlayGroupUpdate(session.Id, error, CancellationToken.None);
                 return;
             }
@@ -188,7 +189,7 @@ namespace Emby.Server.Implementations.SyncPlay
                 var group = new SyncPlayController(_sessionManager, this);
                 _groups[group.GetGroupId()] = group;
 
-                group.InitGroup(session, cancellationToken);
+                group.CreateGroup(session, cancellationToken);
             }
         }
 
@@ -205,6 +206,7 @@ namespace Emby.Server.Implementations.SyncPlay
                 {
                     Type = GroupUpdateType.JoinGroupDenied
                 };
+
                 _sessionManager.SendSyncPlayGroupUpdate(session.Id, error, CancellationToken.None);
                 return;
             }
@@ -300,9 +302,9 @@ namespace Emby.Server.Implementations.SyncPlay
                     group => group.GetPlayingItemId().Equals(filterItemId) && HasAccessToItem(user, group.GetPlayingItemId())).Select(
                     group => group.GetInfo()).ToList();
             }
-            // Otherwise show all available groups
             else
             {
+                // Otherwise show all available groups
                 return _groups.Values.Where(
                     group => HasAccessToItem(user, group.GetPlayingItemId())).Select(
                     group => group.GetInfo()).ToList();
@@ -322,6 +324,7 @@ namespace Emby.Server.Implementations.SyncPlay
                 {
                     Type = GroupUpdateType.JoinGroupDenied
                 };
+
                 _sessionManager.SendSyncPlayGroupUpdate(session.Id, error, CancellationToken.None);
                 return;
             }
@@ -366,7 +369,6 @@ namespace Emby.Server.Implementations.SyncPlay
             }
 
             _sessionToGroupMap.Remove(session.Id, out var tempGroup);
-
             if (!tempGroup.GetGroupId().Equals(group.GetGroupId()))
             {
                 throw new InvalidOperationException("Session was in wrong group!");
diff --git a/Emby.Server.Implementations/TV/TVSeriesManager.cs b/Emby.Server.Implementations/TV/TVSeriesManager.cs
index 21c12ae79..d1818deff 100644
--- a/Emby.Server.Implementations/TV/TVSeriesManager.cs
+++ b/Emby.Server.Implementations/TV/TVSeriesManager.cs
@@ -117,23 +117,20 @@ namespace Emby.Server.Implementations.TV
                 limit = limit.Value + 10;
             }
 
-            var items = _libraryManager.GetItemList(new InternalItemsQuery(user)
-            {
-                IncludeItemTypes = new[] { typeof(Episode).Name },
-                OrderBy = new[] { new ValueTuple<string, SortOrder>(ItemSortBy.DatePlayed, SortOrder.Descending) },
-                SeriesPresentationUniqueKey = presentationUniqueKey,
-                Limit = limit,
-                DtoOptions = new DtoOptions
-                {
-                    Fields = new ItemFields[]
+            var items = _libraryManager
+                .GetItemList(
+                    new InternalItemsQuery(user)
                     {
-                        ItemFields.SeriesPresentationUniqueKey
-                    },
-                    EnableImages = false
-                },
-                GroupBySeriesPresentationUniqueKey = true
-
-            }, parentsFolders.ToList()).Cast<Episode>().Select(GetUniqueSeriesKey);
+                        IncludeItemTypes = new[] { typeof(Episode).Name },
+                        OrderBy = new[] { new ValueTuple<string, SortOrder>(ItemSortBy.DatePlayed, SortOrder.Descending) },
+                        SeriesPresentationUniqueKey = presentationUniqueKey,
+                        Limit = limit,
+                        DtoOptions = new DtoOptions { Fields = new[] { ItemFields.SeriesPresentationUniqueKey }, EnableImages = false },
+                        GroupBySeriesPresentationUniqueKey = true
+                    }, parentsFolders.ToList())
+                .Cast<Episode>()
+                .Where(episode => !string.IsNullOrEmpty(episode.SeriesPresentationUniqueKey))
+                .Select(GetUniqueSeriesKey);
 
             // Avoid implicitly captured closure
             var episodes = GetNextUpEpisodes(request, user, items, dtoOptions);
diff --git a/Emby.Server.Implementations/Updates/InstallationManager.cs b/Emby.Server.Implementations/Updates/InstallationManager.cs
index 146ebaf25..4f54c06dd 100644
--- a/Emby.Server.Implementations/Updates/InstallationManager.cs
+++ b/Emby.Server.Implementations/Updates/InstallationManager.cs
@@ -148,6 +148,11 @@ namespace Emby.Server.Implementations.Updates
                 _logger.LogError(ex, "An error occurred while accessing the plugin manifest: {Manifest}", manifest);
                 return Array.Empty<PackageInfo>();
             }
+            catch (HttpRequestException ex)
+            {
+                _logger.LogError(ex, "An error occurred while accessing the plugin manifest: {Manifest}", manifest);
+                return Array.Empty<PackageInfo>();
+            }
         }
 
         /// <inheritdoc />
diff --git a/Jellyfin.Data/Jellyfin.Data.csproj b/Jellyfin.Data/Jellyfin.Data.csproj
index 282ea511c..58d1ba2f3 100644
--- a/Jellyfin.Data/Jellyfin.Data.csproj
+++ b/Jellyfin.Data/Jellyfin.Data.csproj
@@ -21,7 +21,6 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="3.1.5" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="3.1.5" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Proxies" Version="3.1.5" />
   </ItemGroup>
 
 </Project>
diff --git a/Jellyfin.Server.Implementations/Users/UserManager.cs b/Jellyfin.Server.Implementations/Users/UserManager.cs
index ace9c4af0..9aff808db 100644
--- a/Jellyfin.Server.Implementations/Users/UserManager.cs
+++ b/Jellyfin.Server.Implementations/Users/UserManager.cs
@@ -23,6 +23,7 @@ using MediaBrowser.Model.Cryptography;
 using MediaBrowser.Model.Dto;
 using MediaBrowser.Model.Events;
 using MediaBrowser.Model.Users;
+using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Logging;
 
 namespace Jellyfin.Server.Implementations.Users
@@ -86,7 +87,19 @@ namespace Jellyfin.Server.Implementations.Users
         public event EventHandler<GenericEventArgs<User>>? OnUserLockedOut;
 
         /// <inheritdoc/>
-        public IEnumerable<User> Users => _dbProvider.CreateContext().Users;
+        public IEnumerable<User> Users
+        {
+            get
+            {
+                using var dbContext = _dbProvider.CreateContext();
+                return dbContext.Users
+                    .Include(user => user.Permissions)
+                    .Include(user => user.Preferences)
+                    .Include(user => user.AccessSchedules)
+                    .Include(user => user.ProfileImage)
+                    .ToList();
+            }
+        }
 
         /// <inheritdoc/>
         public IEnumerable<Guid> UsersIds => _dbProvider.CreateContext().Users.Select(u => u.Id);
@@ -99,7 +112,13 @@ namespace Jellyfin.Server.Implementations.Users
                 throw new ArgumentException("Guid can't be empty", nameof(id));
             }
 
-            return _dbProvider.CreateContext().Users.Find(id);
+            using var dbContext = _dbProvider.CreateContext();
+            return dbContext.Users
+                .Include(user => user.Permissions)
+                .Include(user => user.Preferences)
+                .Include(user => user.AccessSchedules)
+                .Include(user => user.ProfileImage)
+                .FirstOrDefault(user => user.Id == id);
         }
 
         /// <inheritdoc/>
@@ -110,9 +129,14 @@ namespace Jellyfin.Server.Implementations.Users
                 throw new ArgumentException("Invalid username", nameof(name));
             }
 
-            // This can't use an overload with StringComparer because that would cause the query to
-            // have to be evaluated client-side.
-            return _dbProvider.CreateContext().Users.FirstOrDefault(u => string.Equals(u.Username, name));
+            using var dbContext = _dbProvider.CreateContext();
+            return dbContext.Users
+                .Include(user => user.Permissions)
+                .Include(user => user.Preferences)
+                .Include(user => user.AccessSchedules)
+                .Include(user => user.ProfileImage)
+                .AsEnumerable()
+                .FirstOrDefault(u => string.Equals(u.Username, name, StringComparison.OrdinalIgnoreCase));
         }
 
         /// <inheritdoc/>
@@ -128,7 +152,7 @@ namespace Jellyfin.Server.Implementations.Users
                 throw new ArgumentException("Invalid username", nameof(newName));
             }
 
-            if (user.Username.Equals(newName, StringComparison.Ordinal))
+            if (user.Username.Equals(newName, StringComparison.OrdinalIgnoreCase))
             {
                 throw new ArgumentException("The new and old names must be different.");
             }
@@ -150,7 +174,7 @@ namespace Jellyfin.Server.Implementations.Users
         /// <inheritdoc/>
         public void UpdateUser(User user)
         {
-            var dbContext = _dbProvider.CreateContext();
+            using var dbContext = _dbProvider.CreateContext();
             dbContext.Users.Update(user);
             dbContext.SaveChanges();
         }
@@ -158,7 +182,7 @@ namespace Jellyfin.Server.Implementations.Users
         /// <inheritdoc/>
         public async Task UpdateUserAsync(User user)
         {
-            var dbContext = _dbProvider.CreateContext();
+            await using var dbContext = _dbProvider.CreateContext();
             dbContext.Users.Update(user);
 
             await dbContext.SaveChangesAsync().ConfigureAwait(false);
@@ -172,7 +196,7 @@ namespace Jellyfin.Server.Implementations.Users
                 throw new ArgumentException("Usernames can contain unicode symbols, numbers (0-9), dashes (-), underscores (_), apostrophes ('), and periods (.)");
             }
 
-            var dbContext = _dbProvider.CreateContext();
+            using var dbContext = _dbProvider.CreateContext();
 
             // TODO: Remove after user item data is migrated.
             var max = dbContext.Users.Any() ? dbContext.Users.Select(u => u.InternalId).Max() : 0;
@@ -195,8 +219,13 @@ namespace Jellyfin.Server.Implementations.Users
         /// <inheritdoc/>
         public void DeleteUser(Guid userId)
         {
-            var dbContext = _dbProvider.CreateContext();
-            var user = dbContext.Users.Find(userId);
+            using var dbContext = _dbProvider.CreateContext();
+            var user = dbContext.Users
+                .Include(u => u.Permissions)
+                .Include(u => u.Preferences)
+                .Include(u => u.AccessSchedules)
+                .Include(u => u.ProfileImage)
+                .FirstOrDefault(u => u.Id == userId);
             if (user == null)
             {
                 throw new ResourceNotFoundException(nameof(userId));
@@ -381,7 +410,7 @@ namespace Jellyfin.Server.Implementations.Users
                 throw new ArgumentNullException(nameof(username));
             }
 
-            var user = Users.ToList().FirstOrDefault(i => string.Equals(username, i.Username, StringComparison.OrdinalIgnoreCase));
+            var user = Users.FirstOrDefault(i => string.Equals(username, i.Username, StringComparison.OrdinalIgnoreCase));
             bool success;
             IAuthenticationProvider? authenticationProvider;
 
@@ -409,8 +438,7 @@ namespace Jellyfin.Server.Implementations.Users
 
                     // Search the database for the user again
                     // the authentication provider might have created it
-                    user = Users
-                        .ToList().FirstOrDefault(i => string.Equals(username, i.Username, StringComparison.OrdinalIgnoreCase));
+                    user = Users.FirstOrDefault(i => string.Equals(username, i.Username, StringComparison.OrdinalIgnoreCase));
 
                     if (authenticationProvider is IHasNewUserPolicy hasNewUserPolicy)
                     {
@@ -547,7 +575,7 @@ namespace Jellyfin.Server.Implementations.Users
         public void Initialize()
         {
             // TODO: Refactor the startup wizard so that it doesn't require a user to already exist.
-            var dbContext = _dbProvider.CreateContext();
+            using var dbContext = _dbProvider.CreateContext();
 
             if (dbContext.Users.Any())
             {
@@ -610,7 +638,14 @@ namespace Jellyfin.Server.Implementations.Users
         public void UpdateConfiguration(Guid userId, UserConfiguration config)
         {
             var dbContext = _dbProvider.CreateContext();
-            var user = dbContext.Users.Find(userId) ?? throw new ArgumentException("No user exists with given Id!");
+            var user = dbContext.Users
+                           .Include(u => u.Permissions)
+                           .Include(u => u.Preferences)
+                           .Include(u => u.AccessSchedules)
+                           .Include(u => u.ProfileImage)
+                           .FirstOrDefault(u => u.Id == userId)
+                       ?? throw new ArgumentException("No user exists with given Id!");
+
             user.SubtitleMode = config.SubtitleMode;
             user.HidePlayedInLatest = config.HidePlayedInLatest;
             user.EnableLocalPassword = config.EnableLocalPassword;
@@ -699,7 +734,7 @@ namespace Jellyfin.Server.Implementations.Users
         /// <inheritdoc/>
         public void ClearProfileImage(User user)
         {
-            var dbContext = _dbProvider.CreateContext();
+            using var dbContext = _dbProvider.CreateContext();
             dbContext.Remove(user.ProfileImage);
             dbContext.SaveChanges();
         }
diff --git a/Jellyfin.Server/CoreAppHost.cs b/Jellyfin.Server/CoreAppHost.cs
index fe07411a6..207eaa98d 100644
--- a/Jellyfin.Server/CoreAppHost.cs
+++ b/Jellyfin.Server/CoreAppHost.cs
@@ -66,8 +66,7 @@ namespace Jellyfin.Server
             // TODO: Set up scoping and use AddDbContextPool
             serviceCollection.AddDbContext<JellyfinDb>(
                 options => options
-                    .UseSqlite($"Filename={Path.Combine(ApplicationPaths.DataPath, "jellyfin.db")}")
-                    .UseLazyLoadingProxies(),
+                    .UseSqlite($"Filename={Path.Combine(ApplicationPaths.DataPath, "jellyfin.db")}"),
                 ServiceLifetime.Transient);
 
             serviceCollection.AddSingleton<JellyfinDbProvider>();
diff --git a/MediaBrowser.Api/SyncPlay/SyncPlayService.cs b/MediaBrowser.Api/SyncPlay/SyncPlayService.cs
index 3782ea5f0..daa1b521f 100644
--- a/MediaBrowser.Api/SyncPlay/SyncPlayService.cs
+++ b/MediaBrowser.Api/SyncPlay/SyncPlayService.cs
@@ -27,13 +27,6 @@ namespace MediaBrowser.Api.SyncPlay
         /// <value>The Group id to join.</value>
         [ApiMember(Name = "GroupId", Description = "Group Id", IsRequired = true, DataType = "string", ParameterType = "query", Verb = "POST")]
         public string GroupId { get; set; }
-
-        /// <summary>
-        /// Gets or sets the playing item id.
-        /// </summary>
-        /// <value>The client's currently playing item id.</value>
-        [ApiMember(Name = "PlayingItemId", Description = "Client's playing item id", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "POST")]
-        public string PlayingItemId { get; set; }
     }
 
     [Route("/SyncPlay/Leave", "POST", Summary = "Leave joined SyncPlay group")]
@@ -89,7 +82,7 @@ namespace MediaBrowser.Api.SyncPlay
         public long PositionTicks { get; set; }
 
         /// <summary>
-        /// Gets or sets whether this is a buffering or a buffering-done request.
+        /// Gets or sets whether this is a buffering or a ready request.
         /// </summary>
         /// <value><c>true</c> if buffering is complete; <c>false</c> otherwise.</value>
         [ApiMember(Name = "BufferingDone", IsRequired = true, DataType = "bool", ParameterType = "query", Verb = "POST")]
@@ -150,25 +143,15 @@ namespace MediaBrowser.Api.SyncPlay
             var currentSession = GetSession(_sessionContext);
 
             Guid groupId;
-            Guid playingItemId = Guid.Empty;
-
             if (!Guid.TryParse(request.GroupId, out groupId))
             {
                 Logger.LogError("JoinGroup: {0} is not a valid format for GroupId. Ignoring request.", request.GroupId);
                 return;
             }
 
-            // Both null and empty strings mean that client isn't playing anything
-            if (!string.IsNullOrEmpty(request.PlayingItemId) && !Guid.TryParse(request.PlayingItemId, out playingItemId))
-            {
-                Logger.LogError("JoinGroup: {0} is not a valid format for PlayingItemId. Ignoring request.", request.PlayingItemId);
-                return;
-            }
-
             var joinRequest = new JoinGroupRequest()
             {
-                GroupId = groupId,
-                PlayingItemId = playingItemId
+                GroupId = groupId
             };
 
             _syncPlayManager.JoinGroup(currentSession, groupId, joinRequest, CancellationToken.None);
@@ -189,7 +172,7 @@ namespace MediaBrowser.Api.SyncPlay
         /// </summary>
         /// <param name="request">The request.</param>
         /// <value>The requested list of groups.</value>
-        public List<GroupInfoView> Post(SyncPlayList request)
+        public List<GroupInfoView> Get(SyncPlayList request)
         {
             var currentSession = GetSession(_sessionContext);
             var filterItemId = Guid.Empty;
@@ -254,7 +237,7 @@ namespace MediaBrowser.Api.SyncPlay
             var currentSession = GetSession(_sessionContext);
             var syncPlayRequest = new PlaybackRequest()
             {
-                Type = request.BufferingDone ? PlaybackRequestType.BufferingDone : PlaybackRequestType.Buffering,
+                Type = request.BufferingDone ? PlaybackRequestType.Ready : PlaybackRequestType.Buffer,
                 When = DateTime.Parse(request.When),
                 PositionTicks = request.PositionTicks
             };
@@ -270,7 +253,7 @@ namespace MediaBrowser.Api.SyncPlay
             var currentSession = GetSession(_sessionContext);
             var syncPlayRequest = new PlaybackRequest()
             {
-                Type = PlaybackRequestType.UpdatePing,
+                Type = PlaybackRequestType.Ping,
                 Ping = Convert.ToInt64(request.Ping)
             };
             _syncPlayManager.HandleRequest(currentSession, syncPlayRequest, CancellationToken.None);
diff --git a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
index d3fb6a46d..534e0c372 100644
--- a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
+++ b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
@@ -483,7 +483,7 @@ namespace MediaBrowser.Controller.MediaEncoding
                     {
                         if (isQsvDecoder)
                         {
-                            arg.Append("-hwaccel qsv ");
+                            arg.Append("-hwaccel qsv -init_hw_device qsv=hw ");
                         }
                         // While using SW decoder
                         else
@@ -1351,7 +1351,7 @@ namespace MediaBrowser.Controller.MediaEncoding
                 transcoderChannelLimit = 6;
             }
 
-            var isTranscodingAudio = !EncodingHelper.IsCopyCodec(codec);
+            var isTranscodingAudio = !IsCopyCodec(codec);
 
             int? resultChannels = state.GetRequestedAudioChannels(codec);
             if (isTranscodingAudio)
@@ -1757,7 +1757,7 @@ namespace MediaBrowser.Controller.MediaEncoding
                 // output dimensions. Output dimensions are guaranteed to be even.
                 var outputWidth = width.Value;
                 var outputHeight = height.Value;
-                var vaapi_or_qsv = string.Equals(videoEncoder, "h264_qsv", StringComparison.OrdinalIgnoreCase) ? "qsv" : "vaapi";
+                var qsv_or_vaapi = string.Equals(videoEncoder, "h264_qsv", StringComparison.OrdinalIgnoreCase);
 
                 if (!videoWidth.HasValue
                     || outputWidth != videoWidth.Value
@@ -1765,17 +1765,19 @@ namespace MediaBrowser.Controller.MediaEncoding
                     || outputHeight != videoHeight.Value)
                 {
                     // Force nv12 pixel format to enable 10-bit to 8-bit colour conversion.
+                    // use vpp_qsv filter to avoid green bar when the fixed output size is requested.
                     filters.Add(
                         string.Format(
                             CultureInfo.InvariantCulture,
-                            "scale_{0}=w={1}:h={2}:format=nv12",
-                            vaapi_or_qsv,
+                            "{0}=w={1}:h={2}:format=nv12",
+                            qsv_or_vaapi ? "vpp_qsv" : "scale_vaapi",
                             outputWidth,
                             outputHeight));
                 }
                 else
                 {
-                    filters.Add(string.Format(CultureInfo.InvariantCulture, "scale_{0}=format=nv12", vaapi_or_qsv));
+                    // set w=0:h=0 for vpp_qsv to keep the original dimensions, otherwise it will fail.
+                    filters.Add(string.Format(CultureInfo.InvariantCulture, "{0}format=nv12", qsv_or_vaapi ? "vpp_qsv=w=0:h=0:" : "scale_vaapi="));
                 }
             }
             else if ((videoDecoder ?? string.Empty).IndexOf("cuvid", StringComparison.OrdinalIgnoreCase) != -1
@@ -2262,7 +2264,7 @@ namespace MediaBrowser.Controller.MediaEncoding
                 flags.Add("+ignidx");
             }
 
-            if (state.GenPtsInput || EncodingHelper.IsCopyCodec(state.OutputVideoCodec))
+            if (state.GenPtsInput || IsCopyCodec(state.OutputVideoCodec))
             {
                 flags.Add("+genpts");
             }
@@ -2521,21 +2523,21 @@ namespace MediaBrowser.Controller.MediaEncoding
         }
 
         /// <summary>
-        /// Gets the name of the output video codec.
+        /// Gets the ffmpeg option string for the hardware accelerated video decoder.
         /// </summary>
+        /// <param name="state">The encoding job info.</param>
+        /// <param name="encodingOptions">The encoding options.</param>
+        /// <returns>The option string or null if none available.</returns>
         protected string GetHardwareAcceleratedVideoDecoder(EncodingJobInfo state, EncodingOptions encodingOptions)
         {
-            var videoType = state.MediaSource.VideoType ?? VideoType.VideoFile;
             var videoStream = state.VideoStream;
-            var isColorDepth10 = !string.IsNullOrEmpty(videoStream.Profile) && (videoStream.Profile.Contains("Main 10", StringComparison.OrdinalIgnoreCase)
-                || videoStream.Profile.Contains("High 10", StringComparison.OrdinalIgnoreCase));
-
 
-            if (EncodingHelper.IsCopyCodec(state.OutputVideoCodec))
+            if (videoStream == null)
             {
                 return null;
             }
 
+            var videoType = state.MediaSource.VideoType ?? VideoType.VideoFile;
             // Only use alternative encoders for video files.
             // When using concat with folder rips, if the mfx session fails to initialize, ffmpeg will be stuck retrying and will not exit gracefully
             // Since transcoding of folder rips is expiremental anyway, it's not worth adding additional variables such as this.
@@ -2544,10 +2546,16 @@ namespace MediaBrowser.Controller.MediaEncoding
                 return null;
             }
 
-            if (videoStream != null
-                && !string.IsNullOrEmpty(videoStream.Codec)
-                && !string.IsNullOrEmpty(encodingOptions.HardwareAccelerationType))
+            if (IsCopyCodec(state.OutputVideoCodec))
             {
+                return null;
+            }
+
+            if (!string.IsNullOrEmpty(videoStream.Codec) && !string.IsNullOrEmpty(encodingOptions.HardwareAccelerationType))
+            {
+                var isColorDepth10 = !string.IsNullOrEmpty(videoStream.Profile)
+                    && (videoStream.Profile.Contains("Main 10", StringComparison.OrdinalIgnoreCase) || videoStream.Profile.Contains("High 10", StringComparison.OrdinalIgnoreCase));
+
                 // Only hevc and vp9 formats have 10-bit hardware decoder support now.
                 if (isColorDepth10 && !(string.Equals(videoStream.Codec, "hevc", StringComparison.OrdinalIgnoreCase)
                     || string.Equals(videoStream.Codec, "h265", StringComparison.OrdinalIgnoreCase)
@@ -3000,7 +3008,7 @@ namespace MediaBrowser.Controller.MediaEncoding
                 args += " -mpegts_m2ts_mode 1";
             }
 
-            if (EncodingHelper.IsCopyCodec(videoCodec))
+            if (IsCopyCodec(videoCodec))
             {
                 if (state.VideoStream != null
                     && string.Equals(state.OutputContainer, "ts", StringComparison.OrdinalIgnoreCase)
@@ -3102,7 +3110,7 @@ namespace MediaBrowser.Controller.MediaEncoding
 
             var args = "-codec:a:0 " + codec;
 
-            if (EncodingHelper.IsCopyCodec(codec))
+            if (IsCopyCodec(codec))
             {
                 return args;
             }
diff --git a/MediaBrowser.Controller/SyncPlay/GroupInfo.cs b/MediaBrowser.Controller/SyncPlay/GroupInfo.cs
index d0fac1efa..e742df517 100644
--- a/MediaBrowser.Controller/SyncPlay/GroupInfo.cs
+++ b/MediaBrowser.Controller/SyncPlay/GroupInfo.cs
@@ -16,7 +16,7 @@ namespace MediaBrowser.Controller.SyncPlay
         /// <summary>
         /// Gets the default ping value used for sessions.
         /// </summary>
-        public long DefaulPing { get; } = 500;
+        public long DefaultPing { get; } = 500;
 
         /// <summary>
         /// Gets or sets the group identifier.
@@ -70,16 +70,16 @@ namespace MediaBrowser.Controller.SyncPlay
         /// <param name="session">The session.</param>
         public void AddSession(SessionInfo session)
         {
-            if (ContainsSession(session.Id.ToString()))
+            if (ContainsSession(session.Id))
             {
                 return;
             }
 
             var member = new GroupMember();
             member.Session = session;
-            member.Ping = DefaulPing;
+            member.Ping = DefaultPing;
             member.IsBuffering = false;
-            Participants[session.Id.ToString()] = member;
+            Participants[session.Id] = member;
         }
 
         /// <summary>
@@ -88,12 +88,12 @@ namespace MediaBrowser.Controller.SyncPlay
         /// <param name="session">The session.</param>
         public void RemoveSession(SessionInfo session)
         {
-            if (!ContainsSession(session.Id.ToString()))
+            if (!ContainsSession(session.Id))
             {
                 return;
             }
 
-            Participants.Remove(session.Id.ToString(), out _);
+            Participants.Remove(session.Id, out _);
         }
 
         /// <summary>
@@ -103,12 +103,12 @@ namespace MediaBrowser.Controller.SyncPlay
         /// <param name="ping">The ping.</param>
         public void UpdatePing(SessionInfo session, long ping)
         {
-            if (!ContainsSession(session.Id.ToString()))
+            if (!ContainsSession(session.Id))
             {
                 return;
             }
 
-            Participants[session.Id.ToString()].Ping = ping;
+            Participants[session.Id].Ping = ping;
         }
 
         /// <summary>
@@ -117,7 +117,7 @@ namespace MediaBrowser.Controller.SyncPlay
         /// <value name="session">The highest ping in the group.</value>
         public long GetHighestPing()
         {
-            long max = Int64.MinValue;
+            long max = long.MinValue;
             foreach (var session in Participants.Values)
             {
                 max = Math.Max(max, session.Ping);
@@ -133,12 +133,12 @@ namespace MediaBrowser.Controller.SyncPlay
         /// <param name="isBuffering">The state.</param>
         public void SetBuffering(SessionInfo session, bool isBuffering)
         {
-            if (!ContainsSession(session.Id.ToString()))
+            if (!ContainsSession(session.Id))
             {
                 return;
             }
 
-            Participants[session.Id.ToString()].IsBuffering = isBuffering;
+            Participants[session.Id].IsBuffering = isBuffering;
         }
 
         /// <summary>
diff --git a/MediaBrowser.Controller/SyncPlay/GroupMember.cs b/MediaBrowser.Controller/SyncPlay/GroupMember.cs
index a3975c334..cde6f8e8c 100644
--- a/MediaBrowser.Controller/SyncPlay/GroupMember.cs
+++ b/MediaBrowser.Controller/SyncPlay/GroupMember.cs
@@ -8,7 +8,7 @@ namespace MediaBrowser.Controller.SyncPlay
     public class GroupMember
     {
         /// <summary>
-        /// Gets or sets whether this member is buffering.
+        /// Gets or sets a value indicating whether this member is buffering.
         /// </summary>
         /// <value><c>true</c> if member is buffering; <c>false</c> otherwise.</value>
         public bool IsBuffering { get; set; }
diff --git a/MediaBrowser.Controller/SyncPlay/ISyncPlayController.cs b/MediaBrowser.Controller/SyncPlay/ISyncPlayController.cs
index de1fcd259..45c543806 100644
--- a/MediaBrowser.Controller/SyncPlay/ISyncPlayController.cs
+++ b/MediaBrowser.Controller/SyncPlay/ISyncPlayController.cs
@@ -33,7 +33,7 @@ namespace MediaBrowser.Controller.SyncPlay
         /// </summary>
         /// <param name="session">The session.</param>
         /// <param name="cancellationToken">The cancellation token.</param>
-        void InitGroup(SessionInfo session, CancellationToken cancellationToken);
+        void CreateGroup(SessionInfo session, CancellationToken cancellationToken);
 
         /// <summary>
         /// Adds the session to the group.
diff --git a/MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs b/MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs
index 4250edfb7..0fd0239b4 100644
--- a/MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs
+++ b/MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs
@@ -90,6 +90,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
         // $ ffmpeg -version | perl -ne ' print "$1=$2.$3," if /^(lib\w+)\s+(\d+)\.\s*(\d+)/'
         private static readonly IReadOnlyDictionary<string, Version> _ffmpegVersionMap = new Dictionary<string, Version>
         {
+            { "libavutil=56.51,libavcodec=58.91,libavformat=58.45,libavdevice=58.10,libavfilter=7.85,libswscale=5.7,libswresample=3.7,libpostproc=55.7,", new Version(4, 3) },
             { "libavutil=56.31,libavcodec=58.54,libavformat=58.29,libavdevice=58.8,libavfilter=7.57,libswscale=5.5,libswresample=3.5,libpostproc=55.5,", new Version(4, 2) },
             { "libavutil=56.22,libavcodec=58.35,libavformat=58.20,libavdevice=58.5,libavfilter=7.40,libswscale=5.3,libswresample=3.3,libpostproc=55.3,", new Version(4, 1) },
             { "libavutil=56.14,libavcodec=58.18,libavformat=58.12,libavdevice=58.3,libavfilter=7.16,libswscale=5.1,libswresample=3.1,libpostproc=55.1,", new Version(4, 0) },
diff --git a/MediaBrowser.Model/SyncPlay/JoinGroupRequest.cs b/MediaBrowser.Model/SyncPlay/JoinGroupRequest.cs
index d67b6bd55..0c77a6132 100644
--- a/MediaBrowser.Model/SyncPlay/JoinGroupRequest.cs
+++ b/MediaBrowser.Model/SyncPlay/JoinGroupRequest.cs
@@ -12,11 +12,5 @@ namespace MediaBrowser.Model.SyncPlay
         /// </summary>
         /// <value>The Group id to join.</value>
         public Guid GroupId { get; set; }
-
-        /// <summary>
-        /// Gets or sets the playing item id.
-        /// </summary>
-        /// <value>The client's currently playing item id.</value>
-        public Guid PlayingItemId { get; set; }
     }
 }
diff --git a/MediaBrowser.Model/SyncPlay/PlaybackRequestType.cs b/MediaBrowser.Model/SyncPlay/PlaybackRequestType.cs
index 671f4e01f..e89efeed8 100644
--- a/MediaBrowser.Model/SyncPlay/PlaybackRequestType.cs
+++ b/MediaBrowser.Model/SyncPlay/PlaybackRequestType.cs
@@ -23,16 +23,16 @@ namespace MediaBrowser.Model.SyncPlay
         /// <summary>
         /// A user is signaling that playback is buffering.
         /// </summary>
-        Buffering = 3,
+        Buffer = 3,
 
         /// <summary>
         /// A user is signaling that playback resumed.
         /// </summary>
-        BufferingDone = 4,
+        Ready = 4,
 
         /// <summary>
         /// A user is reporting its ping.
         /// </summary>
-        UpdatePing = 5
+        Ping = 5
     }
 }
diff --git a/MediaBrowser.Providers/Plugins/TheTvdb/TvdbClientManager.cs b/MediaBrowser.Providers/Plugins/TheTvdb/TvdbClientManager.cs
index 2c6682f82..cd2f96f14 100644
--- a/MediaBrowser.Providers/Plugins/TheTvdb/TvdbClientManager.cs
+++ b/MediaBrowser.Providers/Plugins/TheTvdb/TvdbClientManager.cs
@@ -4,6 +4,7 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Reflection;
+using System.Runtime.CompilerServices;
 using System.Threading;
 using System.Threading.Tasks;
 using MediaBrowser.Controller.Providers;
@@ -229,6 +230,45 @@ namespace MediaBrowser.Providers.Plugins.TheTvdb
             return GetEpisodesPageAsync(tvdbId, 1, episodeQuery, language, cancellationToken);
         }
 
+        public async IAsyncEnumerable<KeyType> GetImageKeyTypesForSeriesAsync(int tvdbId, string language, [EnumeratorCancellation] CancellationToken cancellationToken)
+        {
+            var cacheKey = GenerateKey(nameof(TvDbClient.Series.GetImagesSummaryAsync), tvdbId);
+            var imagesSummary = await TryGetValue(cacheKey, language, () => TvDbClient.Series.GetImagesSummaryAsync(tvdbId, cancellationToken)).ConfigureAwait(false);
+
+            if (imagesSummary.Data.Fanart > 0)
+            {
+                yield return KeyType.Fanart;
+            }
+
+            if (imagesSummary.Data.Series > 0)
+            {
+                yield return KeyType.Series;
+            }
+
+            if (imagesSummary.Data.Poster > 0)
+            {
+                yield return KeyType.Poster;
+            }
+        }
+
+        public async IAsyncEnumerable<KeyType> GetImageKeyTypesForSeasonAsync(int tvdbId, string language, [EnumeratorCancellation] CancellationToken cancellationToken)
+        {
+            var cacheKey = GenerateKey(nameof(TvDbClient.Series.GetImagesSummaryAsync), tvdbId);
+            var imagesSummary = await TryGetValue(cacheKey, language, () => TvDbClient.Series.GetImagesSummaryAsync(tvdbId, cancellationToken)).ConfigureAwait(false);
+
+            if (imagesSummary.Data.Season > 0)
+            {
+                yield return KeyType.Season;
+            }
+
+            if (imagesSummary.Data.Fanart > 0)
+            {
+                yield return KeyType.Fanart;
+            }
+
+            // TODO seasonwide is not supported in TvDbSharper
+        }
+
         private async Task<T> TryGetValue<T>(string key, string language, Func<Task<T>> resultFactory)
         {
             if (_cache.TryGetValue(key, out T cachedValue))
diff --git a/MediaBrowser.Providers/Plugins/TheTvdb/TvdbSeasonImageProvider.cs b/MediaBrowser.Providers/Plugins/TheTvdb/TvdbSeasonImageProvider.cs
index 5af99a573..e9ba20475 100644
--- a/MediaBrowser.Providers/Plugins/TheTvdb/TvdbSeasonImageProvider.cs
+++ b/MediaBrowser.Providers/Plugins/TheTvdb/TvdbSeasonImageProvider.cs
@@ -65,8 +65,8 @@ namespace MediaBrowser.Providers.Plugins.TheTvdb
             var language = item.GetPreferredMetadataLanguage();
             var remoteImages = new List<RemoteImageInfo>();
 
-            var keyTypes = new[] { KeyType.Season, KeyType.Seasonwide, KeyType.Fanart };
-            foreach (var keyType in keyTypes)
+            var keyTypes = _tvdbClientManager.GetImageKeyTypesForSeasonAsync(tvdbId, language, cancellationToken).ConfigureAwait(false);
+            await foreach (var keyType in keyTypes)
             {
                 var imageQuery = new ImagesQuery
                 {
diff --git a/MediaBrowser.Providers/Plugins/TheTvdb/TvdbSeriesImageProvider.cs b/MediaBrowser.Providers/Plugins/TheTvdb/TvdbSeriesImageProvider.cs
index 7dd012825..c33aefbc1 100644
--- a/MediaBrowser.Providers/Plugins/TheTvdb/TvdbSeriesImageProvider.cs
+++ b/MediaBrowser.Providers/Plugins/TheTvdb/TvdbSeriesImageProvider.cs
@@ -59,9 +59,10 @@ namespace MediaBrowser.Providers.Plugins.TheTvdb
 
             var language = item.GetPreferredMetadataLanguage();
             var remoteImages = new List<RemoteImageInfo>();
-            var keyTypes = new[] { KeyType.Poster, KeyType.Series, KeyType.Fanart };
             var tvdbId = Convert.ToInt32(item.GetProviderId(MetadataProvider.Tvdb));
-            foreach (KeyType keyType in keyTypes)
+            var allowedKeyTypes = _tvdbClientManager.GetImageKeyTypesForSeriesAsync(tvdbId, language, cancellationToken)
+                .ConfigureAwait(false);
+            await foreach (KeyType keyType in allowedKeyTypes)
             {
                 var imageQuery = new ImagesQuery
                 {
diff --git a/MediaBrowser.Providers/Plugins/TheTvdb/TvdbSeriesProvider.cs b/MediaBrowser.Providers/Plugins/TheTvdb/TvdbSeriesProvider.cs
index b3641dc9f..196e801c0 100644
--- a/MediaBrowser.Providers/Plugins/TheTvdb/TvdbSeriesProvider.cs
+++ b/MediaBrowser.Providers/Plugins/TheTvdb/TvdbSeriesProvider.cs
@@ -247,10 +247,15 @@ namespace MediaBrowser.Providers.Plugins.TheTvdb
                 {
                     Name = tvdbTitles.FirstOrDefault(),
                     ProductionYear = firstAired.Year,
-                    SearchProviderName = Name,
-                    ImageUrl = TvdbUtils.BannerUrl + seriesSearchResult.Banner
+                    SearchProviderName = Name
                 };
 
+                if (!string.IsNullOrEmpty(seriesSearchResult.Banner))
+                {
+                    // Results from their Search endpoints already include the /banners/ part in the url, because reasons...
+                    remoteSearchResult.ImageUrl = TvdbUtils.TvdbImageBaseUrl + seriesSearchResult.Banner;
+                }
+
                 try
                 {
                     var seriesSesult =
@@ -365,10 +370,14 @@ namespace MediaBrowser.Providers.Plugins.TheTvdb
                     Type = PersonType.Actor,
                     Name = (actor.Name ?? string.Empty).Trim(),
                     Role = actor.Role,
-                    ImageUrl = TvdbUtils.BannerUrl + actor.Image,
                     SortOrder = actor.SortOrder
                 };
 
+                if (!string.IsNullOrEmpty(actor.Image))
+                {
+                    personInfo.ImageUrl = TvdbUtils.TvdbImageBaseUrl + actor.Image;
+                }
+
                 if (!string.IsNullOrWhiteSpace(personInfo.Name))
                 {
                     result.AddPerson(personInfo);
diff --git a/MediaBrowser.Providers/Plugins/TheTvdb/TvdbUtils.cs b/MediaBrowser.Providers/Plugins/TheTvdb/TvdbUtils.cs
index 3f71041b2..37a8d04a6 100644
--- a/MediaBrowser.Providers/Plugins/TheTvdb/TvdbUtils.cs
+++ b/MediaBrowser.Providers/Plugins/TheTvdb/TvdbUtils.cs
@@ -9,7 +9,8 @@ namespace MediaBrowser.Providers.Plugins.TheTvdb
     {
         public const string TvdbApiKey = "OG4V3YJ3FAP7FP2K";
         public const string TvdbBaseUrl = "https://www.thetvdb.com/";
-        public const string BannerUrl = TvdbBaseUrl + "banners/";
+        public const string TvdbImageBaseUrl = "https://www.thetvdb.com";
+        public const string BannerUrl = TvdbImageBaseUrl + "/banners/";
 
         public static ImageType GetImageTypeFromKeyType(string keyType)
         {
diff --git a/deployment/build.windows.amd64 b/deployment/build.windows.amd64
index 3fabc2cac..aae061e9d 100755
--- a/deployment/build.windows.amd64
+++ b/deployment/build.windows.amd64
@@ -8,7 +8,7 @@ set -o xtrace
 # Version variables
 NSSM_VERSION="nssm-2.24-101-g897c7ad"
 NSSM_URL="http://files.evilt.win/nssm/${NSSM_VERSION}.zip"
-FFMPEG_VERSION="ffmpeg-4.2.1-win64-static"
+FFMPEG_VERSION="ffmpeg-4.3-win64-static"
 FFMPEG_URL="https://ffmpeg.zeranoe.com/builds/win64/static/${FFMPEG_VERSION}.zip"
 
 # Move to source directory
diff --git a/tests/Jellyfin.Api.Tests/Jellyfin.Api.Tests.csproj b/tests/Jellyfin.Api.Tests/Jellyfin.Api.Tests.csproj
index bdc3fe15c..219020888 100644
--- a/tests/Jellyfin.Api.Tests/Jellyfin.Api.Tests.csproj
+++ b/tests/Jellyfin.Api.Tests/Jellyfin.Api.Tests.csproj
@@ -13,7 +13,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="AutoFixture" Version="4.12.0" />
+    <PackageReference Include="AutoFixture" Version="4.13.0" />
     <PackageReference Include="AutoFixture.AutoMoq" Version="4.12.0" />
     <PackageReference Include="AutoFixture.Xunit2" Version="4.12.0" />
     <PackageReference Include="Microsoft.Extensions.Options" Version="3.1.5" />
diff --git a/tests/Jellyfin.MediaEncoding.Tests/EncoderValidatorTests.cs b/tests/Jellyfin.MediaEncoding.Tests/EncoderValidatorTests.cs
index af29fec87..9eb601edf 100644
--- a/tests/Jellyfin.MediaEncoding.Tests/EncoderValidatorTests.cs
+++ b/tests/Jellyfin.MediaEncoding.Tests/EncoderValidatorTests.cs
@@ -17,6 +17,7 @@ namespace Jellyfin.MediaEncoding.Tests
         }
 
         [Theory]
+        [InlineData(EncoderValidatorTestsData.FFmpegV43Output, true)]
         [InlineData(EncoderValidatorTestsData.FFmpegV421Output, true)]
         [InlineData(EncoderValidatorTestsData.FFmpegV42Output, true)]
         [InlineData(EncoderValidatorTestsData.FFmpegV414Output, true)]
@@ -32,6 +33,7 @@ namespace Jellyfin.MediaEncoding.Tests
         {
             public IEnumerator<object?[]> GetEnumerator()
             {
+                yield return new object?[] { EncoderValidatorTestsData.FFmpegV43Output, new Version(4, 3) };
                 yield return new object?[] { EncoderValidatorTestsData.FFmpegV421Output, new Version(4, 2, 1) };
                 yield return new object?[] { EncoderValidatorTestsData.FFmpegV42Output, new Version(4, 2) };
                 yield return new object?[] { EncoderValidatorTestsData.FFmpegV414Output, new Version(4, 1, 4) };
diff --git a/tests/Jellyfin.MediaEncoding.Tests/EncoderValidatorTestsData.cs b/tests/Jellyfin.MediaEncoding.Tests/EncoderValidatorTestsData.cs
index c46c9578b..f5ff3d723 100644
--- a/tests/Jellyfin.MediaEncoding.Tests/EncoderValidatorTestsData.cs
+++ b/tests/Jellyfin.MediaEncoding.Tests/EncoderValidatorTestsData.cs
@@ -2,6 +2,18 @@ namespace Jellyfin.MediaEncoding.Tests
 {
     internal static class EncoderValidatorTestsData
     {
+        public const string FFmpegV43Output = @"ffmpeg version 4.3 Copyright (c) 2000-2020 the FFmpeg developers
+built with gcc 7 (Ubuntu 7.5.0-3ubuntu1~18.04)
+configuration: --prefix=/usr/lib/jellyfin-ffmpeg --target-os=linux --disable-doc --disable-ffplay --disable-shared --disable-libxcb --disable-vdpau --disable-sdl2 --disable-xlib --enable-gpl --enable-version3 --enable-static --enable-libfontconfig --enable-fontconfig --enable-gmp --enable-gnutls --enable-libass --enable-libbluray --enable-libdrm --enable-libfreetype --enable-libfribidi --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libwebp --enable-libx264 --enable-libx265 --enable-libzvbi --arch=amd64 --enable-amf --enable-nvenc --enable-nvdec --enable-vaapi --enable-opencl
+libavutil      56. 51.100 / 56. 51.100
+libavcodec     58. 91.100 / 58. 91.100
+libavformat    58. 45.100 / 58. 45.100
+libavdevice    58. 10.100 / 58. 10.100
+libavfilter     7. 85.100 /  7. 85.100
+libswscale      5.  7.100 /  5.  7.100
+libswresample   3.  7.100 /  3.  7.100
+libpostproc    55.  7.100 / 55.  7.100";
+
         public const string FFmpegV421Output = @"ffmpeg version 4.2.1 Copyright (c) 2000-2019 the FFmpeg developers
 built with gcc 9.1.1 (GCC) 20190807
 configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt
diff --git a/tests/Jellyfin.Server.Implementations.Tests/Jellyfin.Server.Implementations.Tests.csproj b/tests/Jellyfin.Server.Implementations.Tests/Jellyfin.Server.Implementations.Tests.csproj
index 6610478ab..03187f4b9 100644
--- a/tests/Jellyfin.Server.Implementations.Tests/Jellyfin.Server.Implementations.Tests.csproj
+++ b/tests/Jellyfin.Server.Implementations.Tests/Jellyfin.Server.Implementations.Tests.csproj
@@ -14,7 +14,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="AutoFixture" Version="4.12.0" />
+    <PackageReference Include="AutoFixture" Version="4.13.0" />
     <PackageReference Include="AutoFixture.AutoMoq" Version="4.12.0" />
     <PackageReference Include="Moq" Version="4.14.5" />
     <PackageReference Include="xunit" Version="2.4.1" />