Latest Daily Win64
While testing the fix for bug 3585793 (well done M. Kiewitz btw!) I found another path-finding bug that hangs the game.
This bug looks similar to bugs 3585189:
To trigger it, in Yorick's room click at the bottom right corner of the door on the right.
Please see the pic in the zip archive, I've added a red box on it to be perfectly clear.