Mozilla Firefox 9 beta 3 for Windows, Mac and Linux is now available for download and testing.What’s new in this beta?
Fixed several stability issues
Added Type Inference, significantly improving JavaScript performance
Added support for querying Do Not Track status via JavaScript and font-stretch
Improved theme integration and Added two finger swipe navigation for Mac OS X Lion
Improved support for text-overflow and HTML5, MathML, and CSS
Mozilla Firefox 9 beta 3 release note
