From http://beltzner.ca/mike/2010/05/10/firefox-4-fast-powerful-and-empowering/ http://beltzner.ca/mike/2010/05/10/firefox-4-fast-powerful-a... Oct-Nov. Or if

From http://beltzner.ca/mike/2010/05/10/firefox-4-fast-powerful-and-empowering/ http://beltzner.ca/mike/2010/05/10/firefox-4-fast-powerful-a... Oct-Nov. Or if it slips, January. (Taking the past into account, January.) Although lots of betas will be available in June. The nightlies are surprisingly stable now, so I plan to start using the beta once it's out.