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74.0a1
Firefox Nightly

January 6, 2020

Version 74.0a1, first offered to Nightly channel users on January 6, 2020

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.

New

  • Firefox users can now import profile data from Edgium on Windows and Mac

    Bug 1605491

Fixed

Changed

  • The OS compositor has been enabled for macOS when WebRender is enabled

    Bug 1592016

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All Firefox Nightly downloads