World of Warcraft releases pre expansion patch 5.0.4

Yes WoW is back, with the patch that is preperation for the brand new expansion pack.
World of Warcraft is preparing for Mists of Pandaria with todays 5.0.4 patch , an update that includes several new features that are part of the expansion rollout.

While playable Pandaren and Monks aren't available until September 25th, there's plenty to chew on with patch 5.0.4. Players will experience the massive talent revamp that eliminates the old talent trees entirely, a spellbook overhaul, AoE looting, cross-realm zones, UI changes, significant currency conversions, and account-wide achievements, mounts, and pets.