Firefox Notes (First offered to release channel users on March 13, 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.

If interested, please see the complete list of changes in this release.
What’s New
NEW
Firefox can now migrate your bookmarks, history, and cookies from Google Chrome
NEW
With Sync enabled, add-ons can now be synchronized across your computers
NEW
The CSS text-size-adjust property is now supported
CHANGED
Redesigned media controls for HTML5 video
HTML5
The outerHTML property is now supported on HTML elements
HTML5
View source syntax highlighting now uses the HTML5 parser (see bug 482921)
DEVELOPER
The Style Editor for CSS editing is now available to web developers
DEVELOPER
Web developers can now visualize a web page in 3D using the Page Inspector 3D View
DEVELOPER
SPDY protocol support for faster page loads is now testable
DEVELOPER
XMLHttpRequest now supports HTML parsing
DEVELOPER
Files can now be stored in IndexedDB (see bug 661877)
DEVELOPER
Websockets has now been unprefixed
FIXED
Various security fixes
FIXED
Firefox notifications may not work properly with Growl 1.3 or later (691662)
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
Some synaptic touch pads are unable to vertical scroll (see 622410)
UNRESOLVED
OS X: WebGL performance may be degraded on some hardware (see 713305)
Unresolved on v11  Resolved in v12
UNRESOLVED
Windows: The use of Microsoft's System Restore functionality shortly after updating Firefox may prevent future updates (see 730285)