Something I'm working on this week is an issue with the Conf of the Rhine. COR units in a pbem game are not counting towards combat. When I checked the setup in the 1812 scenario, I noted that although I set COR provinces in the editor they did not get implemented at game start.
So after digging into the create_kingdom function used in the game, I was able to make a customized version of the function that runs at game start to create COR for France. After a couple of trys and troubleshooting, it works like a charm now. However, the kingdom units of COR and Poland are still not working right and I need to figure that out. I suspect the normal attributes for minor country units and major power control are messed up and I need something special for kingdom units.
Anyways, as I was digging, there is also a function for adding provinces to a kingdom. Based on my insights with create_kingdom, I think I can troubleshoot and fix this other function to allow players to add a new eligible province to an already created kingdom. We'll see, but hopefully I can make at least this one improvement and knock out a very old reported bug that players have complained about for years.
At some future point, I may dig deeper into Daniel Amieiro's mod and see what I can do.
Empires in Arms Development Team