Firefox Release

March 11, 2021

Version 86.0.1, first offered to Release channel users on March 11, 2021


  • Fixed an issue on Apple Silicon machines that caused Firefox to be unresponsive after system sleep (bug 1682713)

  • Fixed an issue causing windows to gain or lose focus unexpectedly (bug 1694927)

  • Fixed truncation of date and time widgets due to incorrect width calculation (bug 1695578)

  • Fixed an issue causing unexpected behavior with extensions managing tab groups (bug 1694699)

  • Fixed a frequent Linux crash on browser launch (bug 1694670)

All Firefox downloads