[Ben]

That's it, my scroll down swipes contain some horizontal movement:
It´s from bottom left upwards towards the top middle, more pleasant/natural than a straight line upwards or downwards I think.
"discard touch events that have too much vertical movement to be considered a horizontal swipe. "
Yes, if you allow a somewhat wider angle that would solve it - and convince me once again you provide the best software and the best support! :-)