Mages
Frost Armor, Ice Armor, Mage Armor, and Molten Armor are no longer Magic effects and cannot be dispelled.
Paladins
Greater Blessing of Light Rank 1: This spell will no longer overwrite Greater Blessing of Light Rank 2.
Summon Warhorse is now available at level 30.
Druids
Barkskin: The cost of this spell is now reduced by Tree of Life Form.
Hunters
Growl: Pets will no longer generate additional threat from this ability based on attack power buffs cast on them. Attack power buffs on their master will still indirectly increase the threat generated by the pet’s Growl.
Pet Aggro: Pets will no longer generate threat immediately from being summoned.
Priests
Mind Vision: This effect will now be cancelled immediately on targets who use an Invisibility Potion or Gnomish Cloaking Device.
Spiritual Healing: Ranks 2-5 of this talent will no longer prevent refreshing Prayer of Mending.
Warlocks
Curse of Shadows: This spell has been removed.
Curse of Elements: This spell now applies to Arcane and Shadow damage, as well as Frost and Fire.
Demon Skin, Demon Armor, and Fel Armor are no longer Magic effects and cannot be dispelled.
Health Funnel: This ability will now cancel channeling when the target pet is Banished.
Ritual of Summoning: The mana cost of this spell will now be properly deducted when cast.
Summon Felsteed is now available at level 30.
Warrior
Revenge: Ranks 1-5 of this ability now have damage ranges instead of fixed damage values.
Rogues
Cheat Death: This talent has been rebalanced significantly. Killing blows are no longer 100% absorbed. If the Rogue is below 10% health, the killing blow is still completely absorbed; if the Rogue is over 10% health, enough damage will be absorbed to reduce the Rogue’s health down to 10%. For the following 3 seconds, damage is not always reduced by 90%; it is now reduced by a maximum of 90%, depending on how much resilience the Rogue has. The damage reduction will be four times the damage reduction resilience causes against critical strikes.
Sinister Calling now increases damage to Backstab and Hemorrhage by 1/2/3/4/5% (down from 2/4/6/8/10%.)
Shaman
Earth Elemental: This pet will now leash back to its totem when pulled beyond 50 yards away.
Lightning Overload: This talent will no longer do excessive damage when used with Lightning Bolt Ranks 2-10.