2.7.1.351+mc1.21.2-26.3.port.10

• Ported the Fabric client to Minecraft 26.2 and Java 25, with compatibility work covering Minecraft targets 1.21.2 through 26.3.

• Updated GUI, rendering, input, audio, localization, and resource APIs.

• Replaced the external U Team Core runtime dependency with the required adapted classes.

• Kept Fabric API as a required dependency.

• Added YouTube sign-in through the system browser using a device code displayed in Minecraft.

• Added a startup choice to sign in to YouTube or skip it for the current session.

• Added a YouTube sign-in control to Music Player settings.

• Saved the YouTube refresh token for reuse after restarting Minecraft.

• Changed the initial Google account sign-in prompt to English.

• Updated the bundled YouTube source library with the TV OAuth User-Agent fix for stream requests that returned "The page needs to be reloaded".

• Added a configurable remote cipher fallback for YouTube player signatures when the local parser cannot decode the current player script.

• Fixed saved YouTube URLs and playlist entries becoming Unknown file format. after restarting Minecraft or changing Minecraft versions by registering YouTube before the generic HTTP source at startup.

• OAuth restoration now updates the existing source instead of appending a late source manager.

• Preserved existing playlist and token storage formats, so existing playlists do not need to be recreated.

• Added offline source-routing regressions covering restart, OAuth retry, saved links and playlists, search, and HTTP fallback.

• Added a playlist sorting screen with sorting by title, artist, and file name / URI in both ascending and descending directions.

• Added stable, case-insensitive natural ordering so entries such as Track 2 are placed before Track 10.

• Saved the sorted URI order without changing the playlist file format or interrupting the currently playing track.

• Kept duplicate and unavailable playlist entries intact.

• Kept nested provider playlists grouped while sorting.

• Sorted folder imports by file name and preserved their order across asynchronous metadata callbacks.

• Disabled Add all until loading completes.

• Ignored results from replaced searches and closed screens.

• Added offline regressions covering sorting, saved playlist reloads, playback, and asynchronous callback ordering.

• Expanded the volume control from 0–100 to 0–200, with values above 100 applying additional output gain.

• Added a ten-band equalizer with settings preserved between launches.

• Added a separate bass boost switch with its setting preserved between launches.

• Made every bundled language selectable.

• Added and updated labels for all nine bundled languages.

• Fixed Minecraft remaining open after its window was closed by stopping the mod's audio and playlist workers during client shutdown.

• Preserved all previous YouTube routing, OAuth, playlist, audio, localization, and compatibility fixes.

Minecraft runtime behavior and screen appearance still require manual in-game testing.