Since Dante Unbound, a stairway on one of the tiles has started acting as if it's an abyss (as in a falling area, where your abilities get turned off and you get reset to a viable location). Multiple times when going through this stairway, I was treated as if falling off a ledge,
Here's the reverse for clarity
And this is the entrance to the room the stairway is in
As you can imagine this is a rather frustrating bug, especially in Disruption where it's unavoidable when running back and forth to get disruption targets.