Not sure yet, haven't played that much yesterday. One thing I noticed is when I loaded one of my recent games in single-player mode, the location that I saved on had a correct state of no monsters, yet next location already had everyone respawned, even though we finished it like several game days before and went back to Sorpigal by suiciding on Misty Island. Not sure if bug at all (maybe enough time has passed for it to refill as designed? I don't remember what amount of time has to pass tho), and not sure if it will transfer to multiplayer tho.
Another thing to report that I forgot to include last time:
1) Guards in some cities we visited (first Misty Islands and later Sorpigal) dropped dead with no apparent reason, not fighting any monsters, and one of the guards also got hostile to us in Sorpigal. At that point I checked Reputation and it was negative -26, even though we made sure to not ever talk to any Baa Members (i.e. at the very start we ignored the guy in the tavern and went straight to the kind), never healed in any Baa temples or killed civilians. Maybe smb may have threatened some NPCs, idk, but it seems more likely to me those unexplained guard deaths were attributed to us by the populace of Enroth Maybe they had negative hp or smth?