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

March 6, 2015

Version 36.0.1, first offered to Release channel users on March 6, 2015

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


  • New Tablet user interface

  • Support for the full HTTP/2 protocol. HTTP/2 enables a faster, more scalable, and more responsive web.

  • Locale added: Maithili (mai) (Android Lollipop only)


  • 36.0.1 - Disable the usage of the ANY DNS query type (1093983)

  • 36.0.1 - WebGL may use significant memory with Canvas2d (1137251)

  • 36.0.1 - Accept hostnames that include an underscore character ("_") (1136616)

  • Various security fixes

  • CSS gradients work on premultiplied colors

  • DNS resolution when using VPNs or switching networks

  • Fix some unexpected logout from Facebook or Google after restart


Web Platform

  • Support for the ECMAScript 6 Symbol data type added

  • unicode-range CSS descriptor implemented

  • object-fit and object-position implemented.<br />Defines how and where the content of a replaced element is displayed

  • isolation CSS property implemented.<br />Create a new stacking context to isolate groups of boxes to control which blend together

  • CSS3 will-change property implemented.<br />Hints the browser of elements that will be modified. The browser will
    perform some performance optimization for these

  • Improved ES6 generators for better performance

  • Changed JavaScript 'const' semantics to conform better to the ES6 specification.<br />The const declaration is now block-scoped and requires an initializer. It also can not be redeclared anymore.


  • January Chromecast firmware update broke tab mirroring (1131084)

  • On Android 2.3, 3.0 and 4.0, some WebM videos cannot be read properly (1131563)

  • Style Editor: Extra white space appearing above the editor for a sourcemapped scss file (1128747)

Get the most recent version

All Firefox for Android downloads