I'd argue that its SUPPOSE to be that way Mike. And if I was using mixed wm5 and 03SE devices I would use 4.1.
But when I loaded 4.1 I had nothing but dropped synchs and problems with both my MPX220 and my HX4700 - I reloaded 3.8 and no issues. So, for me, I'll stay on 3.8
-Edgar