Mozilla is set to launch the latest embodiment of its Firefox browser Tomorrow, June 30th. Mozilla has bumped up the version nomenclature from 3.1 to 3.5 in order to signify just how many changes this version incorporates.

The upgraded Firefox 3.5 browser will have measured improvements in speed and performance Performance and will include support for HTML5 video and audio and a a private browsing mode for very late night web surfing.