First Look: Firefox 4 Beta 9 Summary: On Friday Mozilla released Firefox 4 Beta 9, which will probably be the final beta build - finally! - for this browser before we hit Release Candidate and an official release sometime towards the end of February. By Adrian Kingsley-Hughes | January 17, 2011 -- 05:40 GMT (21:40 PST) Follow @the_pc_doc Previous | Next Image 2 of 8 Revamped interface will be familar to Opera users Topic: Browser Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.