The Beta channel has been updated to 21.0.1180.64 for Mac, Linux, Windows and Chrome Frame

 This build fixes:
  • more of the choppy and distorted audio issues  (Issue: 136624). 
  • Some known crashes (Issue: 140140)
  • Japanese characters showing in Chinese font (Issue: 140432)
  • Video playback issues with flash-based sites (Issue: 139953)
  • Sync invalidation notification broken after restart (Issue: 139424)

If you find new issues, please let us know by filing a bug at http://code.google.com/p/chromium/issues/entry

Karen Grunberg
Google Chrome