Nope, Sweden, Ireland and England
Come to think of it I'm not sure why I don't see this after the patch, perhaps it added a few other AI checks.
What did seem to affect this was that in one of the games France was broken up and all the minors joined. In the others France was emperor herself.
In the first game I also saw a protestant emperor (Poland) who ensured that everyone else became protestant as well. All of Europe was blue on the religion map.