• Core library:
  • Suppress exceptions from registering/unregistering the stream volume receiver (#8087, #8106).
  • Suppress ProGuard warnings caused by Guava's compile-only dependencies (#8103).
  • Fix issue that could cause playback to freeze when selecting tracks, if extension audio renderers are being used (#8203).
• UI:
  • Fix incorrect color and text alignment of the StyledPlayerControlView fast forward and rewind buttons, when used together with the com.google.android.material library (#7898).
  • Add dispatchPrepare(Player) to ControlDispatcher and implement it in DefaultControlDispatcher. Deprecate PlaybackPreparer and setPlaybackPreparer in StyledPlayerView, StyledPlayerControlView, PlayerView, PlayerControlView, PlayerNotificationManager and LeanbackPlayerAdapter and use ControlDispatcher for dispatching prepare instead (#7882).
  • Increase seekbar's touch target height in StyledPlayerControlView.
  • Update StyledPlayerControlView menu items to behave correctly for right-to-left languages.
  • Support enabling the previous and next actions individually in PlayerNotificationManager.
• Audio:
  • Retry playback after some types of AudioTrack error.
  • Work around AudioManager crashes when calling getStreamVolume (#8191).
• Extractors:
  • Matroska: Add support for 32-bit floating point PCM, and 8-bit and 16-bit big endian integer PCM (#8142).
  • MP4: Add support for mpeg1 video box (#8257).
• IMA extension:
  • Upgrade IMA SDK dependency to 3.21.0, and release the AdsLoader (#7344).
  • Improve handling of ad tags with unsupported VPAID ads (#7832).
  • Fix a bug that caused multiple ads in an ad pod to be skipped when one ad in the ad pod was skipped.
  • Fix a bug that caused ad progress not to be updated if the player resumed after buffering during an ad (#8239).
  • Fix passing an ads response to the ImaAdsLoader builder.
  • Set the overlay language based on the device locale by default.
• Cronet extension:
  • Fix handling of HTTP status code 200 when making unbounded length range requests (#8090).
• Text
  • Allow tx3g subtitles with styl boxes with start and/or end offsets that lie outside the length of the cue text.
• Media2 extension:
  • Notify onBufferingEnded when the state of origin player becomes STATE_IDLE or STATE_ENDED.
  • Allow to remove all playlist items that makes the player reset.