Firefox Beta and Developer Edition
Release Notes

Release Notes tell you what’s new in Firefox. As always, we welcome your feedback. You can also file a bug in Bugzilla or see the system requirements of this release.

81.0beta Firefox Beta

August 25, 2020

Version 81.0beta, first offered to Beta channel users on August 25, 2020

New

  • Users are now able to control media playback via hardware media keys on a keyboard or headset or virtual media control interface

Fixed

  • Smoother video playback and improved AV sync of 60 fps videos on macOS.

Developer

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