I meanwhile did some tests with several versions of BS.Player (0.86.501, 1.37.826 and 2.35.985) and I must say: I stand corrected!!
However, whether this feature works or not depends on the Video rendering mode as chosen by the user (and most probably also on the Graphics card used). E.g. if I select "Internal renderer DirectDraw surface" in 2.35.985: it works, but if I select "Internal renderer overlay (default)" it doesn't. (Similar for the older versions).
So
meegosh could you try if choosing a different rendering mode does the trick for you?