Firefox for Android
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 for Android Release

September 7, 2021

Version 92.0, first offered to Release channel users on September 7, 2021

We'd like to extend a special thank you to all of the new Mozillians who contributed to this release of Firefox!


  • Added support for Web Authentication API, which allows USB tokens (such as the use of USB or Bluetooth Security Key) for website authentication.


  • Crash when attempting to disconnect from Mozilla account.

  • Crash when navigating back to the settings menu after disabling studies.

  • Various security fixes

Get the most recent version

All Firefox for Android downloads