ScrollRect not creating drag events for "swipes"

I've received feedback from users of our app that our scrolling list is not responsive enough. When I looked into the issue, it appears that the ScrollRect is not responding to fast swipe movements. If you fast swipe, one of two things happense:

1) OnBeginDrag and OnEndDrag methods are called, but the ScrollRect doesn't scroll. This I was able to work around by catching these events, and manually adding a velocity to the ScrollRect if the drag was very short in duration

2)...

ScrollRect not creating drag events for "swipes"