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.

30.0

Firefox Release

June 10, 2014

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

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

New

  • Sidebars button in browser chrome enables faster access to social, bookmark, & history sidebars

  • Mac OS X command-E sets find term to selected text

Fixed

  • Insecure NTLM (pre-NTLMv2) authentication disabled (see 828183)

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

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

  • Various security fixes

Changed

  • Disallow calling WebIDL constructors as functions on the web

  • With the exception of those bundled inside an extension or ones that are whitelisted, plugins will no longer be activated by default (see blog post)

Developer

  • Support for GStreamer 1.0 (see 806917 for build configuration)

  • Error stack now contains column number

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

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

  • background-blend-mode enabled by default

  • Mute and volume available per window when using WebAudio

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

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

Developer Information

unresolved

  • Without affecting security, after restoring your session, Extended Validation Certificates might not display (See 995801)

  • Errors loading scripts inside eval scripts with Developer Tools open (998908)

  • Mac OS X and Windows: Citrix Receiver no longer works. As a workaround, mark the plugin as Always Enable in the addon manager (1025627)

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

  • Slow shut downs lead to 'Firefox is already running' warning (see 966469 and 985655)