[2.55 a85] Win10
You can sometimes just walk over 1-tile (maybe more) Pitfall combos. I don't know what causes it exactly. It doesn't seem to be Link's position because it will sometimes work or not work with the same coordinates. Have seen it happen moving every direction but downwards, but haven't tested it that extensively.
Have tested with Pull Sensitivity at 0 and 5, it's at 0 in the example quest.