Wargaming released the details of World of Tanks's Update 8.1 which introduces the new British tanks such as the Cruiser Mk IV, Centurian MK III, Churchill VII and the other models of British light, heavy and medium tanks. Update 8.1 also introduces three new premium tanks the Soviet tank destroyer SU-122-44, Panther M10 and PZ IV Schmalturm. Four battle maps are also getting the overhauled rendering and lighting system that was first introduced in Update 8.0.