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 system requirements of 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

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

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

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


  • navigator.sendBeacon enabled by default (learn more)

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

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

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

Developer Information



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