Yeah, I was just playing DoD again for the first time in a while, and on the second floor, the game crashes when I use quickstep near the edge of the map. Quickstep is a single-move teleportation combined with knockback and a very wide stunning-field, to give the illusion that you've essentially teleported one space while still being able to act. I could have sworn this bug had been fixed, but I don't know of any other explanation