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.

29.0a2

Firefox Aurora

February 7, 2014

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

New

  • 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)

Changed

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

Developer

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

  • Console object available in Web Workers (learn more)

  • Promises enabled by default (learn more)

  • Enabled ECMAScript Internationalization API

  • SharedWorker enabled by default

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

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

Developer Information

unresolved

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