ArmA 2: Operation Arrowhead v1.63 Patch Deployed

The update will be applied automatically when your Steam client is restarted
Bohemia Interactive has released a new patch for ArmA 2: Operation Arrowhead, officially implementing various fixes and optimizations which were introduced during the 1.63 beta program, which covered almost a 2 year period for this iteration of the engine. The update also focuses on the transition of the multiplayer from GameSpy matchmaking to Steam.