• Flame Wreath will now allow players to remain in the flame wreath while under the effect of immunity granting abilities such as Divine Shield, etc.
• The Druid ability Mangle now generates 50% bonus threat.
• The Druid ability Lacerate now deals a small amount of instant damage, generating threat, against bleed immune creatures.

• Coilfang Frenzies will no longer attack players in water outside of Coilfang.

• The amount of bonus damage that the Hunter pet ability 'Lightning Breath' receives from the Hunter's +damage gear has been reduced.

• Pets will no longer trigger the Flame Wreath effect.
• Kael'Thas' phoenix pets should now have the correct immunities.
• Magtheridon's Blast Wave should now function properly.
• 'The Lurker Below' should now spawn correctly after being reset.
• Cyclone no longer causes the targeted player to be considered dead for the arena counter.

Via WoW Forums