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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.

133.0.3 Firefox Release

December 10, 2024

Version 133.0.3, first offered to Release channel users on December 10, 2024

Fixed

  • Fixed the missing scrollbar in the Library window, such as when viewing History or Bookmarks. (Bug 1934482)

  • Fixed a problem where toolbar buttons were not visible on mouseover when using both the Windows High Contrast theme and the Firefox System theme. (Bug 1930840)

  • Fixed blurry line drawing on some Canvas elements when hardware acceleration is enabled. (Bug 1933668)

  • Fixed incorrect Firefox window positioning on Windows when restoring from maximized. (Bug 1934238)

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