- 
FIXED
Security fixes can be found here.
- 
NEW
Anti-Aliasing for WebGL is now implemented (see bug 615976)
- 
NEW
Accelerated layers are now supported via OpenGL ES
- 
CHANGED
It's now even easier to set up Firefox Sync - see the "Set up Sync" link on the home tab
- 
HTML5
New <bdi> element for bi-directional text isolation, along with supporting CSS properties (see bugs 613149 and 662288)
- 
DEVELOPER
We've added IndexedDB APIs to more closely match the specification
- 
FIXED
There is an extremely rare case where the browser may become unable to load web pages or close tabs (676780)
What’s New
Known Issues
- 
                        Unresolved
                    
Reloading a page increases the zoom level (see 628269)Unresolved on v10 Resolved in v12
- 
                        Unresolved
                    
On tablets, "Sync Now" button is active even if the Sync is in progress (see 656594)
- 
                        Unresolved
                    
Blinking characters in form fields (see 665374)Unresolved on v10 Resolved in v12
- 
                        Unresolved
                    
Some recent changes in the Google layout and CSS may cause issues in non-webkit browsers like Firefox (see 668288)
- 
                        Unresolved
                    
Adobe Flash and other plugin support (see 687265)Unresolved on v10 Resolved in v12
 Notes (First offered to release channel users on February 16, 2012)
        Notes (First offered to release channel users on February 16, 2012)