The World of Tanks Website announces that a new version 7.4 patch is now available for the North American edition of Wargaming.net's MMOTPS. This is a major update which adds new combat modes, new maps, new tanks, and more. There's also word that Clan Wars will be unavailable for 24 hours and that premium players will receive a day's credit in compensation. The game's European website announces the new version is going live in Europe tomorrow. This page has a trailer showing off the new version.