After the release of Firefox 3.0.7 Security And Stability Release, Mozilla has released Firefox 3.1 beta 3 now. It was released on Thursday, March 12, 2009. Firefox 3.1 beta 3 is released for developer testing and community feedback. It includes many new features as well as improvements to performance, web compatibility, and speed. New features of Firefox 3.1 beta 3
Improved the new Private Browsing Mode
Improved performance and stability with the new TraceMonkey JavaScript engine.
Improvements to web worker thread support.
New native JSON support.
Improvements to the Gecko layout engine, including speculative parsing for faster content rendering.
Support for new web technologies such as the
Firefox 3.1 beta 3 now supports 64 different languages.