http://www.mozilla.com/en-US/firefox/all-rc.html

Fixes:

#496542 [Firefox:Bookmarks & History]-Duplicate entries in History sidebar and Library [All]
#498407 [Firefox:Bookmarks & History]-Adding search keyword doesn't work on many sites [All]
#498530 [Core:General]-Firefox crashes [@ memmove] after updating text box triggering update of AJAX based page [Win]
#498722 [Firefox:Places]-nsIFaviconService.getFaviconLinkForIcon error on null argument [All]

As of right now, there is at least one blocker so there will be at least one more RC This bug is the one blocker and this one was but has already been fixed and will be in RC3.

Sooooo, here are the current blockers only the two aforementioned bugs require changes to Firefox code.

Do not see any changes in looks , tho feels the same as RC1

dunno what all tweaks are there "under-the-hood" ones , but feels bit snappier

lets w8 for benchmarks

u can get them here tho , whenever they come up with benchmarks

already posted: http://www.neowin.net/forum/index.php?showtopic=786712