and "v.8.0, offered to release channel users on November 8th, 2011" the fact that FF has no concept of how to use version numbers means a difference of FIVE ver

and "v.8.0, offered to release channel users on November 8th, 2011" the fact that FF has no concept of how to use version numbers means a difference of FIVE version numbers is ... well... meaningless. The only thing worth considering when it comes to FF versions these days is time since release, and eight months is not notably old.