Amount of improvements and new features in upcoming version of Firefox web-browser made developers jump the version from 3.1 to 3.5 signifying the major improvements in their browser technology, here is an video showing exactly whats' new in Firefox 3.5.

In some interesting development at Firefox 3.1 status meeting held on 5 March 2009, Mozilla is considering changing upcoming Firefox browser version from 3.1 to 3.5 indicating increased scope, upcoming BETA of the popular web-browser will be called Firefox 3.1 Beta 3 but version jump to 3.5 is under consideration and a final decision is expected soon.