Firefox 4.0 Beta 9 was released on January 14th:
- Overhaul of the bookmarks and history code to increase performance
- Many bugfixes and enhancements
Firefox 4.0 Beta 10 was released on January 25th:
- Flash should work better on OS X
- Reduction in memory usage
- Reduce support to very modern and capable graphics cards for WebGL
- Many bugfixes and enhancements
Grab it now and help test! http://www.firefox.com/beta
