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 Nightly — English (US)

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Firefox for Android Aurora

October 17, 2014

Version 35.0a2, first offered to Aurora channel users on October 17, 2014


  • Search dialog added to network error pages

  • Use Android Download manager to keep track of downloaded files

  • Improved handling of dynamic styling changes to increase responsiveness

  • Locales added: Breton [br], Esperanto [eo]


  • WOFF2 fonts are now supported (on Aurora and Nightly)

Developer Information

Web Platform

  • Changed JavaScript 'let' semantics to conform better to the ES6 specification

  • Resource Timing API implemented

  • CSS filters enabled by default

  • WebSocket now available in Web Workers