Firefox Notes

Version 30.0, first offered to Release channel users on June 10, 2014

Check out "What’s New" and "Known Issues" for this version of Firefox below. As always, you’re encouraged to tell us what you think, or file a bug in Bugzilla. If interested, please see the complete list of changes in this release.

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

What’s New

  • New

    Add web content to home page panels using Home Feeds Add-On

  • New

    Add Quickshare buttons to Context menu

  • New

    Locales added: Belarusian [be], Argentine Spanish [es-AR], Mexican Spanish [es-MX], Indonesian [id], Latvian [lv], Malay [ms]

  • Changed

    Disallow calling WebIDL constructors as functions on the web

  • Developer

    Fixes to box-shadow and other visual overflow (see bug 480888)

  • Developer

    Mute and volume available per window when using WebAudio

  • Developer

    background-blend-mode enabled by default

  • Developer

    Use of line-height allowed for <input type="reset|button|submit">

  • Developer

    ES6 array and generator comprehensions implemented (read docs for more details)

  • Developer

    Error stack now contains column number

  • Developer

    Support for alpha option in canvas context options (feature description)

  • Fixed

    Ignore autocomplete="off" when offering to save passwords via the password manager (see 956906)

  • Fixed

    TypedArrays don't support new named properties (see 695438)

  • Fixed

    After MP4 video playback, video can not be played again (1005622)

  • Fixed

    Various security fixes

Known Issues

  • unresolved

    Thick lines on some pages (see 1014333)

  • unresolved

    Does not start on Android L preview (see 1030897)