Firefox Release

August 24, 2021

Version 91.0.2, first offered to Release channel users on August 24, 2021


  • High Contrast Mode is no longer enabled by default when "Increase Contrast" is checked in macOS settings (bug 1726606)

  • Firefox no longer clears authentication data when purging trackers, to avoid repeatedly prompting for a password (bug 1721084)

All Firefox downloads