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.

29.0beta

Firefox Beta

March 20, 2014

Version 29.0beta, first offered to Beta channel users on March 20, 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)

  • Gamepad API finalized and enabled

  • Malay [ma] locale added

Changed

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

  • Clicking on a W3C Web Notification will switch to the originating tab

Developer

  • '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

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

  • Enabled ECMAScript Internationalization API

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

Developer Information

unresolved

  • Mac OS X: cmd-L no longer opens a new window when no window is available (1008793)

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

  • Echo cancellation on apprtc.appspot.com fails (974537)

  • Exit is not always completed when "clear history when Firefox closes" is enabled (1005487)