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

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Firefox Beta Desktop Notes (First offered to Beta channel users on October 11, 2012)

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.

What’s New

  • NEW
    Click-to-play blocklisting implemented to prevent vulnerable plugin versions from running without the user's permission (see blog post)
  • NEW
    Mac OS X 10.8: Support for Notification Center
  • CHANGED
    Updated Awesome Bar experience with larger icons
  • DEVELOPER
    JavaScript Maps and Sets are now iterable
  • DEVELOPER
    SVG FillPaint and StrokePaint implemented
  • DEVELOPER
    Improvements that make the Web Console, Debugger and Developer Toolbar faster and easier to use
  • DEVELOPER
    New Markup panel in the Page Inspector allows easy editing of the DOM
  • HTML5
    Sandbox attribute for iframes implemented, enabling increased security
  • FIXED
    Over twenty performance improvements, including fixes around the New Tab page
  • FIXED
    Pointer lock doesn't work in web apps (769150)
  • FIXED
    Page scrolling on sites with fixed headers (780345)

Known Issues

  • Unresolved
    If you try to start Firefox using a locked profile, it will crash (see 573369)
  • Unresolved
    For some users, scrolling in the main GMail window will be slower than usual (see 579260)
  • Unresolved
    Windows: The use of Microsoft's System Restore functionality shortly after updating Firefox may prevent future updates (see 730285)