Here's the bullet-point rundown:
- Major changes to the PvP Arenas.
- The Mage spell Polymorph now works quite differently.
- Tweaks to the Jewelcrafting, Enchanting, Engineering, and Leatherworking professions.
- The bosses Vexallus and Kael'thas are no longer immune to taunt on Normal difficulty in the Magisters' terrace encounter.
- Hunters will have to learn new tactics due to some controversial changes to class and pet abilities.
- Weaponsmiths will now be able to enjoy their non-unique one-handed items.