Complete removal seems a bit much. Why not the last revision number from their scm? Not sure why they keep insisting on going down this path. Version numbers and release schedules can be separate. They may be taking a page out of Chrome's playbook but their updates happen much more frequently and I think they push minor revisions in binary form instead of a wholesale update. All the latest updates to FF have been great and 7 will be really nice if it is as memory efficient as they say but seeing them having an identity crisis after waking up to strong competition doesn't impress.