This looks like Blizzard doing the usual broad hotfix pass where some specs get small nudges and a few get slammed with real numbers. The PvP slow changes stood out more to me than the class buffs, because movement control always gets messy fast when one effect starts stacking too well. I like that they at least called out what was meant for dungeon play versus raid play, since vague tuning just makes people argue for weeks about what was actually intended.