I am playing in turn-based mode, the latest version of the Definitive version on Epic Games.
When I enter a room with a pit and a bunch of xaurips and wurm on level 2 of the Endless Paths below the stronghold, a combat starts after some text boxes (high priest points at you, aloth comments, etc). Durance gets the first turn in the combat, but I cannot do anything: no movement, no attacks, no spells, and "waiting" instead of "end turn" button, so I cannot skip his turn either.
If I turn off the TBM, then combat goes smoothly, but I have no idea how to fight in real time/paused combat. Will probably have to start the whole level from start and manually save from now on.
Also, cannot attach a save file or a screenshot, as both exceed the max file size.

Update:
re-started the whole level from an autosave, got back to the pit - the same result: combat starts and stays in the endless waiting with no actions possible. So, it is a TBM bug