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.

109.0.1 Firefox Release

January 31, 2023

Version 109.0.1, first offered to Release channel users on January 31, 2023

Fixed

  • Reverted changes to Windows font smoothing which caused poor rendering on some configurations (bug 1803154)

  • Fixed jank when loading pages containing a large number of emoji characters (bug 1809081)

  • Fixed an issue causing authentication prompts to not appear when loading pages in some enterprise environments (bug 1809151)

  • Fixed inconsistent sizing of event listener checkboxes inside the Inspector developer tool (bug 1811760)

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