Patch 3.3.5 for Blizzard's World of WarCraft MMORPG has been released. The patch includes a new raid, the Battle.net/REAL ID friends list integration, and other minor updates. You can read the full patch notes here and view a list of known issues in this 'blue' post. Unfortunately the game servers will be down until around 6pm EST. In the meantime, Blizzard has a Ruby Sanctum preview up on the World of WarCraft website and some info on the new REAL ID on the Battle.net website.

UPDATE: An update here indicates that work continues on the WoW servers. They are still down. An update is promised at around 7pm EST.

UPDATE: Another update should be coming at 8pm EST.