Even if both players have the same mod?
I haven't tried it when both have a modification, but I don't think it works.
I don't think its a big issue even if it doesnt work.
Maybe the only bigger problem is that the illusions doesn't apply permanently. Havent tested with weapons yet, but i assume the new look will disappear on swap.
Yes, I understand that this is a serious problem, but I still can’t come up with an “acceptable” option for implementing the save of illusions (and it’s not a fact that I will come up with one). The option that I am currently thinking about can greatly affect the performance of the game, so I am not seriously considering it.