View notes for:

Firefox Notes (First offered to release channel users on November 15, 2013)

We'd also like extend a special thank you to all of the new Mozillians who contributed to Firefox 25!

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.

What’s New

  • FIXED
    25.0.1: New security fixes can be found here
  • FIXED
    25.0.1: Pages sometimes wouldn't load without first moving the cursor
  • NEW
    Web Audio support
  • NEW
    The find bar is no longer shared between tabs
  • CHANGED
    If away from Firefox for months, you now will be offered the option to reset it to its default state while preserving your essential information
  • CHANGED
    Resetting Firefox no longer clears your browsing session
  • DEVELOPER
    CSS3 background-attachment:local support to control background scrolling
  • DEVELOPER
    Many new ES6 functions implemented
  • HTML5
    iframe document content can now be specified inline
  • FIXED
    Blank or missing page thumbnails when opening a new tab