Phoenix-D: Darn, I never considered your point. I set Retrofit Max Percent Difference in Cost to 10000 back in Version 1.7 of my mod because the AI doesn't retrofit often enough to avoid the original 50% limit. The biggest problem is with Bases which the AI upgrades every 10 turns or so. If the cost of upgrading a base exceeds Retrofit Max Percent Difference in Cost after 10 turns, then the AI will
never upgrade the base! Unfortunately, I don't see any way to address your concern AND insure that the AI will always upgrade ships and bases. Personally, I think the best solution is to keep things the way they are so that AI bases don't become obsolete; human players will just have to refrain from building empty ships. I'd appreciate any other ideas
