Firefox Beta

October 18, 2022

Version 107.0beta, first offered to Beta channel users on October 18, 2022

Firefox Beta gets updated 3 times a week and as a consequence, the release notes for the Beta channel are updated continuously to reflect features that have reached sufficient maturity to benefit from community feedback and bug reports.

Warning: Features listed here may or may not make a final release of Firefox.

In addition to these release notes, you can follow ongoing development via our @FirefoxBeta Twitter account.


  • Improved the performance of the case when Microsoft's IME and Defender retrieve the URL of a focused document in Windows 11 version 22H2.

  • Power profiling is now also supported on Linux and Mac with Intel CPUs, in addition to Windows 11 and Apple Silicon.

All Firefox Beta downloads