The 1.13f patch changed the memory addresses, so extended units, extended players, and EUD conditions will have new effects and need to be re-researched,
.
speedking9, I'm making a mod for someone else where all the supply counts are cut in half (Marine = .5 supply, Battlecruiser = 3, Overlord provides 4, etc.). I could give you a link when I'm done. If you do that though, you can only play the mod with other people who have it.