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

April 2, 2013

Version 20.0, first offered to Release channel users on April 2, 2013


  • Per-window Private Browsing. Learn more.

  • New download experience. Learn more.

  • Ability to close hanging plugins, without the browser hanging


  • 20.0.1 - Windows-only update to handle issues around handling UNC paths (see bug 846848)

  • Details button on Crash Reporter

  • Unity plugin doesn't display in HiDPI mode

  • Various security fixes



Web Platform

  • getUserMedia implemented for web access to the user's camera and microphone (with user permission)

  • Various <audio> and <video> improvements

  • <canvas> now supports blend modes

  • Some function keys may not work when pressed

  • Browsing and Download history clearing needs unification to avoid confusion on clearing download history


  • If you try to start Firefox using a locked profile, it will crash (see 573369)

Get the most recent version

All Firefox for Android downloads