See what’s new in Firefox!

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 complete list of changes in this release.


Firefox for Android Aurora

May 2, 2014

Version 31.0a2, first offered to Aurora channel users on May 2, 2014


  • Pull-to-refresh on synced tabs page

  • Ability to re-order existing panels in about:home

  • Hindi [hi-IN] locale added

  • Integration of generational garbage collection

  • Partial implementation of the OpenType MATH table (section 6.3.6) see documentation about mathematical fonts and the MathML Torture Test for details

  • OdinMonkey: Use backtracking allocator for asm.js style code

  • mozilla::pkix as default certificate verifier (learn more)


  • navigator.sendBeacon enabled by default (learn more)

  • CSP 1.1 nonce-source and hash-source enabled by default

  • New Object built-in: Object.setPrototypeOf() (learn more)

  • New Array built-in: Array.prototype.fill() (learn more)

Developer Information



  • After MP4 video playback, video can not be played again (1005622)