Aspyr Civilization V with OpenCLAspyr has just released a new update for Civilization V that, among other improvements, allows for 4K resolutions on the new Mac Pro.  Mac gamers will now be able to take full advantage of OpenCL framework, which means better visuals and improved performance for the critically acclaimed strategy game.  Aspyr also state that the game should run faster (meaning less waiting in between turns in late-game situations) and fewer crashes.