With Firefox 4 still fresh off the assembly line, there's already talk of Mozilla's next major browser release, Firefox 5. Premature? Not in the world of technology, it isn't. Let's also not forget that Mozilla is adopting a Google Chrome-like development cycle, in which there will be several different builds to choose from, including pre-beta builds, as part of an accelerated release cycle. So, what is there to know about Firefox 5 at this point?
