Firefox Aurora

February 7, 2014

Version 29.0a2, first offered to Aurora channel users on February 7, 2014


  • A set of new improvements to the Firefox user interface (learn more).

  • An interactive onboarding tour to guide users through new interface changes

  • A redesigned and improved customization mode

  • The ability to set up Firefox Sync by creating a Firefox account (learn more)


  • navigator.plugins is no longer enumerable, for user privacy


  • Developer Information
  • 'box-sizing' (dropping the -moz- prefix) implemented (learn more)

  • Console object available in Web Workers (learn more)

  • Promises enabled by default (learn more)

  • SharedWorker enabled by default

  • <input type="number"> implemented and enabled

  • Enabled ECMAScript Internationalization API

  • Add-on bar has been removed, content moved to navigation bar


  • Text Rendering Issues on Windows 7 with Platform Update KB2670838 (MSIE 10 Prerequisite) or on Windows 8.1 has a workaround (see 812695)

All Firefox Aurora downloads