World of Warcraft: Forever came out last night. Those who stayed up were prepared for the usual from major WoW releases: long queues, disconnects, and server lag. However, save for a few minor hiccups here and there, things went off without a hitch.
Eurogamer can report first-hand that for European players who stayed up from, let's say 11pm - 3:50am last night, the login queues were short and constantly moving. Those who were very keen to get in the moment servers went live ran into unclickable server selection boxes, but backing out and re-joining the short queue fixed this problem swiftly.
