Firefox 3.5 released today
I use Firefox as a complementary browser and the latest new version became available today. The upgrade from 3.0.11 went well and so far there are no issues in using the new version
Firefox 3.5 Home Page
http://www.mozilla.com/en-US/firefox/
Firefox 3.5 Key Features
http://www.mozilla.com/en-US/firefox/features/