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.

Firefox Nightly — English (US)

Your system may not meet the requirements for Firefox, but you can try one of these versions:

Firefox Nightly — English (US)

Firefox Nightly is no longer supported on Windows 8.1 and below.

Please download Firefox ESR (Extended Support Release) to use Firefox.

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Firefox Nightly is no longer supported on macOS 10.14 and below.

Please download Firefox ESR (Extended Support Release) to use Firefox.

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Firefox Privacy Notice

Version 76.0a1, first offered to Nightly channel users on March 10, 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.

Picture-in-Picture now supports keyboard controls, on most websites, for Play / Pause, Volume and Seeking (see Bug 1602841 for the list of keyboard controls)
Bug 1602841
Double-clicking on the Picture-in-Picture player window now puts it in fullscreen mode.
Bug 1607882

Accessing saved passwords in about:logins on Windows and macOS now requires the user to authenticate with their operating system if no master password is set.
Bug 1194529