Their most recent projects include Diablo III, World of Warcraft's fifth expansion, Warlords of Draenor, and the first expansion of StarCraft II, Heart of the Swarm. On July 9, 2008, Activision officially merged with Vivendi Games, culminating in the inclusion of the Blizzard brand name in the title of the resulting holding company. On July 25, 2013, Activision Blizzard announced the purchase of 429 million shares from owner Vivendi.