jellyfin/MediaBrowser.Controller/SyncPlay, branch master

Backport pull request #17797 from jellyfin/release-12.z

2026-09-15T15:13:44Z

Correct SyncPlay sessions that report playback at a stale position Original-merge: a93180d35f3528a556b1c81aac4ba4132b34391e Merged-by: crobibero Backported-by: Cody Robibero

Merge pull request #17796 from fmarcac/fix/syncplay-shuffle-mode-crash

2026-09-05T14:58:31Z

Fix crash when SyncPlay shuffle mode is set to sorted twice

Apply the SyncPlay resume delay floor in the correct unit

2026-09-05T12:24:49Z

Fix crash when SyncPlay shuffle mode is set to sorted twice

2026-09-05T12:24:48Z

Reduce cognitive complexity of RemoveFromPlaylist

2026-07-16T19:03:29Z

Fix play queue index handling in SyncPlay

2026-07-04T09:38:05Z

Three index bugs in PlayQueueManager, two of which leave PlayingItemIndex out of bounds, making every subsequent Buffering/Ready request throw and leaving the group unusable until it empties: - RemoveFromPlaylist did not compensate for removed items preceding the playing item: removing the playing item together with earlier items could select the wrong item or crash with an out-of-bounds index. - Next/Previous on an empty playlist with RepeatOne/RepeatAll reported success or set PlayingItemIndex to 0 on an empty list, crashing downstream in Group and corrupting the index. - SetPlayingItemByIndex accepted an index equal to the playlist count (latent off-by-one, callers currently pre-validate).

Run tree-wide dotnet format

2026-05-21T18:48:41Z

Return SyncPlay group info after creation, add GET group endpoint (#13935)

2025-04-21T01:40:23Z

Fix SyncPlay WebSocket OpenAPI schemas (#13946)

2025-04-19T19:08:15Z

Add all websocket messages to generated openapi spec (#9682)

2023-06-10T13:28:21Z

* Add all websocket messages to generated openapi spec * Use oneOf * JsonIgnore ServerId * Oops * Add discriminators * Add WebSocketMessage container for Inbound and Outbound messages