With a new beta on the way, I wanted to ask about how an existing saved game will be affected by changes in a new beta. From what I've seen, you can't add new files to events.txt, but you can modify existing events. If you add an event to an existing file it looks like you can trigger that event from the command window, but I don't know if the new event will be triggered normally. It looks like you can't add new monarchs or leaders. Do you happen to know what can and can't be changed in a pre-existing saved game?
And one other thing -- the scenarios are all configured with 10 countries that get saved in detail. I find it helpful to have more (e.g. AGCEEP has 25). Could more be added to the vanilla scenarios?