Now before we begin, I should make it clear that mages aren't getting anything even remotely earth-shattering in patch 4.0.6. It's not like Blizzard is letting us autofire while moving or anything. But a patch is still a patch. Things are going to change, and though mages have been left largely un-fiddled-around-with (at least in comparison to many other classes), we do have some incoming alterations to be aware of.
So with our expectations in an appropriately subdued state, let's peek beyond the jump for an annotated look at what be happening, yo.