Wildfiregames presents: 0AD's unit upgrade. -Why do you work on this upgrade when you should be working on pathfinder and performance improvements? -Please note that this upgrade has been done by an artist who hasn't any knowledge in programming. This upgrade has not taken away any precious work time to 0AD programming developers who continue to work on the needed pathfinder and performance improvements. -Why do you make this upgrade? For a number or reasons: Uni