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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.

110.0a1 Firefox Nightly

December 12, 2022

Version 110.0a1, first offered to Nightly channel users on December 12, 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.


  • Dragging images across Firefox tabs and instances is now more reliable and works with web apps like Google Drive and Photos

    Bug 1732528
  • Added Friulian (fur) locale

    Bug 1805837
  • It's now possible to import bookmarks, history and passwords not only from Edge, Chrome or Safari but also from Opera, Opera GX, and Vivaldi for all the folks who want to move over to Firefox instead!

    Bug 1806711
  • GPU sandboxing has been enabled on Windows.

    Note: A bug in the popular X-Mouse Button Control (XMBC) tool may cause mouse wheel scrolling to stop working. Affected users should update to the latest version of XMBC (2.20 or higher) which contains a fix for this issue.

    Bug 1809519
  • On Windows, third-party modules can now be blocked from injecting themselves into Firefox, which can be helpful if they are causing crashes or other undesirable behavior.

    Bug 1744362

Web Platform

  • Firefox now supports CSS named pages, allowing web pages to perform per-page layout and add page-breaks in a declarative manner when printing.

    Bug 1802239

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All Firefox Nightly downloads