Hmm... There may well be problems here. With https://github.com/openlayers/ol3/commit/b0362b8c0a0ecc2abedb3b2d85c3601cc64ee10e the DragPan, DragRotateAndZoom, and DragRotate interactions do set/unset the interacting hints themselves. But these interactions now inherit from the Pointer interaction, which also sets/unsets the interacting hint. This means the interacting hint is set/unset twice on pointerdown/pointerup.