First Look at Firefox 5 Plan
Mozilla are still working to fix any bug on Firefox 4 Beta before they plan to release Firefox 4 Release Candidat on February 25 and target to launch final version for sometime in March. But this situation don't stop Mozilla to begin develop Firefox 5, which is scheduled to be released by the end of the first half of this year. Firefox 5 may get dramatic UI modifications that reach beyond a simple 'chromification'.
