World Of Warcraft Patch 5.4 Release Date Is September 10
The story of Mists of Pandaria is going to end at the Orgrimmar showdown. Blizzard announced that Patch 5.4: Siege of Orgrimmar will go live in US and EU on September 10 and in China two days later. Be prepared. As the last major update for the current expansion, Siege of Orgrimmar will not only present another epic raid, a brand-new zone and a new PvP season, but will also introduce in several new features such as Connected Realms and Flexible Raids.
Along with new gamepaly feature, some important changes are made in Patch 5.4. First of all there are class changes, and you can find details here. Then there's a big change to Arena and you will no longer need to create or join an Arena team to play this feature. Instead, you can queue for an Arena as long as you are in a party of the appropriate size.
Lots of other changes and new stuff will come in Patch 5.4. Check out the official preview page to learn more.