Despite what has happened so far, the development of future versions of the Mozilla browser will change dramatically strategy, and in 2011 not only see Firefox 4, but also Firefox 5, Firefox 6 and Firefox 7.
The documentation of Mozilla and Firefox in wiki format so confirms, somewhat surprising considering that since it appeared Firefox 3.0 has been more than 2 ½ years. The idea is to present less ambitious versions and faster.
Mozilla documentation has hinted that change of attitude that will make it against what we've seen so far, are released final versions of the browser with a big jump in version number in the remainder of 2011.
In fact in a few weeks we will finally Firefox 4, but Mozilla and is preparing to launch Firefox 5, Firefox 6 and Firefox 7, Which will also in 2011 and will, of course, with a set of differential changes much smaller than that affecting the jump that has given Firefox 3 to Firefox 4.
As explained in this documentation ,In Firefox 5 will have a account manager and a series of developments in the field of "social navigation", something that Mozilla started to investigate the F1 extension of Mozilla Labs. Moreover, it seems to be a specific version of Firefox 5 for Windows 7 64 bit.
As Firefox 7 ,The list of features this less clear, but could apply the technology dubbed as Electrolysis ,to apply in Firefox as Google Chrome has been doing for time: separate navigation tabs as separate processes.