Wargaming.Net announces the release of update 8.1 for World of Tanks, adding the promised British armor to the European edition of the free-to-play MMO shooter, and saying it will come to the North American edition of the game tomorrow. Word is: "The newly added national tech tree contains 22 finest models from the Royal Tank Corps across three main tank classes. World of Tanks Update 8.1 will be available on October 31 for the European players and on November 1 for the American community."