At 5:00 AM PST, Blizzard will initiate the Scheduled Maintenance and the new promised Content patch will be released.  Dire Maul and two outdoor raid bosses: Azuregos(in Azshara) and Lord Kazzak(Tainted Scar in Blasted Lands) will be available.  Meeting Stones located near Instance zone-in will now make it easy to search and find a group.  Dungeon group caps are introduced.  Most dungeons will only have 10 players maximum cap, except Onyxia at 40 and Blackrock Spire with 15 raid players.  Diremaul will have a cap of only 5 players.  There is an extensive Patch note with all the new additions, and bug fixes.