Firefox 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.

86.0.1 Firefox Release

March 11, 2021

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

Fixed

  • 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)

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