Mozilla Firefox specifications

What's new in version 30.0

  • Sidebars button in browser chrome enables faster access to social, bookmark, & history sidebars
  • Mac OS X command-E sets find term to selected text
  • Support for GStreamer 1.0
  • 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)
  • Fixes to box-shadow and other visual overflow (see bug 480888)
  • Mute and volume available per window when using WebAudio
  • background-blend-mode enabled by default
  • Use of line-height allowed for input type="reset|button|submit"
  • ES6 array and generator comprehensions implemented (read docs for more details)
  • Error stack now contains column number
  • Support for alpha option in canvas context options (feature description)
  • Ignore autocomplete="off" when offering to save passwords via the password manager (see 956906)
  • TypedArrays don't support new named properties (see 695438)


  • Publisher Mozilla
  • Publisher web site
  • Release date June 10, 2014
  • Date added June 10, 2014
  • Version 30.0


System requirements

  • Operating systems Mac OS X 10.8, Mac OS X 10.9, Mac OS X 10.7, Mac OS X 10.6
  • Additional requirements Not available

Download information

  • File size 57.57MB
  • File name Firefox 30.0.dmg


  • Total Downloads 3,217,762
  • Downloads last week 3,136


  • License model Free
  • Limitations Not available
  • Price Not available