Version 2.1.
Attempted breaking out 2 lords, AI mesh seems broken. The screens were taken right near the prison entry. Wandering peasants also seem to be stuck in the cave-gateway.
https://imgur.com/a/NoXpY
There's also a flying chicken in the room, be careful.
Sieges there also have major problems around the cave and the keep. There are walls the AI doesn't see and try to run through.