The auto-update went through without problem for me, sweet. Mozilla.org has put up the RC3 logo on the main page, but at the time of writing, release note for RC3 seem not updated yet.
read more | digg story
Thunderbird 1.5 - Jan 13, 2006
Firefox Tab Tip - Dec 10, 2005
A New Version, A New Home, A New Campaign - Nov 30, 2005
Get Firefox, Earn some cash - Nov 29, 2005