Our sister site WoW Insider spotted the word on the World of Warcraft forums, in which a community manager posted a brief update on the popular convention: "In light of our jam-packed schedule, we've decided to hold the next BlizzCon in 2013." Currently the studio is working on Diablo III, World of Warcraft: Mists of Pandaria, and its top-secret Titan MMO project.
BlizzCon has been held yearly since 2005 with only one exception: The studio declined to hold it in 2006. The convention was notorious for being the venue in which Blizzard announced its major upcoming projects.
The absence of BlizzCon this year may be offset by the announcement of the 2012 Battle.net World Championship to take place in Asia toward the end of this year.