Mozilla foundation has released the second alpha edition of their browser. It support a Software update system to streamline product upgrades (currently disabled). Faster browser navigation with improvements to back and forward button performance are also featured. The new browser can Drag and drop reordering for browser tabs. Other improvements to popup blocking are also there.
The other features supported by the new release are:-
* Better support for Mac OS X (10.2 and greater)
* Several security enhancements
Get it here:-