You are viewing information archived from Mozilla.org on 2014-08-13.

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Firefox Notes (First offered to release channel users on February 4, 2014)

Check out "What’s New" and "Known Issues" for this version of Firefox for mobile below. As always, you’re encouraged to tell us what you think, or file a bug in Bugzilla.

We'd also like extend a special thank you to all of the new Mozillians who contributed to Firefox 27!

If interested, please see the complete list of changes in this release.

What’s New

  • NEW
    Added Lithuanian, Slovenian, South African English and Thai to android multi-locale builds
  • CHANGED
    Enabled TLS 1.1 (RFC 4346) and TLS 1.2 (RFC 5246) by default
  • CHANGED
    UI improvements due to rewrite of favicon system (see 914296)
  • CHANGED
    Removed overscrolling on web content (see 705246)
  • CHANGED
    Experience better readability with default font set to Clear Sans
  • DEVELOPER
    Ability to reset style sheets using 'all:unset'
  • DEVELOPER
    You can now choose to deobfuscate javascript in the debugger (see 762761)
  • DEVELOPER
    Implemented allow-popups directive for iframe sandbox, enabling increased security (see 766282)
  • DEVELOPER
    CSS cursor keywords -moz-grab and -moz-grabbing have been unprefixed (see 880672)
  • DEVELOPER
    Added support for ES6 generators in SpiderMonkey (see blog post)
  • DEVELOPER
    Implemented support for mathematical function Math.hypot() in ES6 (see 896264)
  • HTML5
    Dashed line support on Canvas (see 768067)
  • FIXED
    Flash doesn't work with Android 4.4 KitKat (see 935676)
  • FIXED
    Text in Flash elements may display as boxes (921670)
  • FIXED
    Text selection doesn't work in textarea elements, try disabling auto-correct on the keyboard as a workaround (943944)
  • FIXED
    Various security fixes

Known Issues

  • Unresolved
    Some recent changes in the Google layout and CSS may cause issues in non-webkit browsers like Firefox (see 668288)
  • Unresolved
    Firefox Sync will not behave as expected if multiple Firefox channels are installed on a single device (see 761206)
  • Unresolved
    Explore By Touch automatically loading web pages (see 963000)
    Unresolved on v27 Resolved in v28
  • Unresolved
    Moving Firefox to background while playing a flash video in full screen mode and bring it back to view will freeze the app (see 809055)