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

May 21, 2019

Version 67.0, first offered to Release channel users on May 21, 2019

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




  • The Guest Session feature has been removed to streamline user experience. Please use Private Browsing on Firefox for Android to keep your sessions separate or your device's guest mode feature.


  • Developer Information
  • CSS Viewport-compat - Firefox for Android's mobile viewport behavior is now aligned with other browsers, resolving known compatibility issues with websites.

Get the most recent version

All Firefox for Android downloads