At Black Hat last month, Mozilla security chief Window Snyder made it clear that Private Browsing would not make it into the next revision of Firefox.

But on Friday, the open-source group all but announced that the privacy feature, which puts the browser into a temporary state where no information about the user's browsing session is stored locally, <A HREF="http://blogs.zdnet.com/security/?p=1893&tag=nl.e539">will definitely make it into Firefox 3.1</A> due sometime next month. Why the sudden time line change? Welcome to Browser War 2.0.