feat: release TypeType 1.2.0

RELEASE_NOTES.md

@@ -1,31 +1,41 @@
-# TypeType 1.1.0
+# TypeType 1.2.0
 
-TypeType 1.1.0 adds native YouTube livestream playback over SABR, an
-embeddable player, and several library and availability improvements.
+TypeType 1.2.0 adds the server-side playback contract required by TypeType
+Android, faster SABR seeking, progressive subscription loading, and several
+playback improvements across mobile, VOD, and livestreams.
 
 ## What changed
 
-- Play YouTube livestreams through stateful SABR with live-edge following,
-  DVR seeking, and playback recovery.
-- Add an embed route with start-time parameters, guest access control, and a
-  manual retry action.
-- Add Watch Later directly to video menus.
-- Improve imported playlist loading, ordering, duplicate handling, and deleted
-  video filtering.
-- Show scheduled, members-only, and unavailable states on video cards, and
-  keep active livestreams visible in the subscription feed.
-- Recover automatically when YouTube expires the player context used for SABR
-  admission.
-- Allow the Server and Token services to share the optional
-  `YOUTUBE_OUTBOUND_PROXY_URL` setting.
-
-No database migration is required. The new proxy setting is optional and
-existing configurations remain valid.
+- Add a dedicated Android-only YouTube VOD API with complete standard DASH
+  manifests, stable playback generations, and same-origin media resources.
+- Expose manual and auto-generated subtitles before Android prepares playback,
+  with stable track identities and server-delivered UTF-8 WebVTT.
+- Reuse existing SABR sessions for same-format seeks, reducing extraction work
+  and making normal seeks and SponsorBlock skips faster.
+- Improve YouTube livestream playback around the live edge, missing segment
+  durations, quality changes, codec changes, and replacement sessions.
+- Load subscription feeds progressively so the first videos can appear without
+  waiting for the complete feed.
+- Improve mobile MSE playback, ManagedMediaSource support, Picture-in-Picture,
+  and buffered seek handling.
+- Preserve saved playback progress and prevent temporary media transitions from
+  overwriting the user's volume state.
+- Add playback speeds up to 4x.
+- Improve recovery when YouTube rejects or expires an extraction session.
+
+Android playback currently supports completed YouTube VODs. Active livestream
+playback is not yet advertised through the Android contract.
+
+No database migration or environment change is required.
 
 ## Thanks
 
-Thanks to @tam1m for contributing the embed player, and to everyone who
-reported and tested the changes in this release.
+Thanks to @hugoghx for the detailed livestream reports, @BuggyPasta for the
+Safari and iOS report, and @Toastienergy for reporting the playback speed and
+volume persistence issue.
+
+Thanks also to @InfinityLoop1308 and the PipePipe contributors for the extractor
+work and protocol research that TypeType continues to build on.
 
 ## Updating