Working as intended.Something strange has happened. I've downloaded the latest GitHub 1.18 version, and upon auto-playing the game from 3000 BC spawning as Prussia I'm seeing that some civilizations didn't spawn whatsoever (Celtia, Nubia)
Here's the save attached. Additionally the Byzantines never appeared too as the city of Byzantium was never placed neither by the Greeks nor by the Romans
I see, however I don't think you can completely prevent this without making the AI very stupid. If an AI unit is already next to an enemy city it might be there to deliberately attack the city.Adjustments to wandering units going after rando cities has been largely successful. Its with regret that I have to report an exception. A Portuguese Lancer located 1NW of Lyon (Role = Attack / Mission: Explore) snipes Rome.