This may already have been reported, but a quick search yielded no results.
I have noticed a bug with the elevator.
When i pull the lever to send the elevator down, it glitches down instead of smoothly going down. If a player is standing on the elevator, the player is sent down along with the elevator. It becomes impossible to step onto the elevator platform, and operating the lever just repeats the glitchy animation but does not fix anything. If a player is in the mines/dungeon, he is stuck there.
Exiting to main menu and starting the game again fixes the issue but only for the first day of the 'second' session.
Observed in local coop, using two controllers.
I hope this provides enough information.