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.

Version 36.0.4, first offered to Release channel users on March 21, 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)

36.0.4: Security fixes for issues disclosed at HP Zero Day Initiative's Pwn2Own contest
36.0.3: Security fixes for issues disclosed at HP Zero Day Initiative's Pwn2Own contest
36.0.2 - Fix a startup crash on HTC One M8 devices (Verizon) with Android 5.0.1 (1140830)
36.0.2 - Fix some potential crashes with Flash videos (1118216)
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

Support for the ECMAScript 6 Symbol data type added
unicode-range CSS descriptor implemented
object-fit and object-position implemented.
Defines how and where the content of a replaced element is displayed
isolation CSS property implemented.
Create a new stacking context to isolate groups of boxes to control which blend together
CSS3 will-change property implemented.
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.
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