Keeping track of where Firefox is going is difficult given you have at least two horizons to keep your eyes on. Here we have a brief look at what to expect in Firefox 22, currently in beta and close to being rolled out.
The big news in Firefox 22 is either WebRTC or asm.js depending on your particular interests.
WebRTC isn't new but now it is deemed stable enough to be on by default.
What can you do with WebRTC?
rest here