InsaneTek

Firefox 4 Beta 8 was released yesterday. They fixed a whole slew of bugs, but there are only a few new features, listed below. Check out the release notes here, and the bug fix list here (there are too many for me to list).

New to Firefox 4 Beta 8

• The Firefox Sync setup experience has been greatly improved across desktop and mobile devices
• Speed, functionality, and compatibility improvements to WebGL
• Additional polish for the Firefox Add-ons Manager