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Firefox Nightly
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.

106.0a1 Firefox Nightly

August 22, 2022

Version 106.0a1, first offered to Nightly channel users on August 22, 2022

Firefox Nightly gets updated every day and as a consequence, the release notes for the Nightly 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 on our @FirefoxNightly Twitter account as well as read our Nightly Blog.


  • The PDF viewer allows text writing, drawing and signature.

    Bug 1784272
  • Firefox can now cache all accessibility information from all documents in the Firefox main process. This improves performance for screen readers and other applications which use accessibility APIs. This can be enabled in the Nightly Experiments section of Settings.

    Bug 1785983

Web Platform

  • A major upgrade to our WebRTC capabilities (libwebrtc library upgraded from version 86 to 103) brings multiple improvements:

    • Better screen sharing for Windows and Linux Wayland users.
    • Lower CPU usage and increased frame rates during WebRTC screen capture on macOS.
    • RTP performance and reliability improvements.
    • Richer statistics.
    • Cross-browser and service compatibility improvements.
    Bug 1766646

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