Seeing as using "high" amplifiers is now considered a 'feature' used by the map making community, I have to say that I think marking this as a duplicate of a 2013 bug is the wrong action.
I get that high amplifiers may have strange effects on the player (negative levitation in this case) - but the bug here is the behaviour of the arrows, not the player.
Can this be reconsidered? Lot's of custom maps will want to use negative levitation. Being unable to use a bow/arrow with this is really unfortunate.
OK. Thanks anyway! To be clear I wasn't suggesting any new features. It's just that it wouldn't be the first time an unintended behaviour was adopted as a feature.
Thanks, and keep up the good work!