For some reason when you have a pet on as a hat your arrows land sideways and some players say they go slower than normal
they also come back and you pick them up in your inventory
they bounce off of mobs

Yeah, but only if you aim it at a certain angle. The Pets usually move out of the way if they are not in Hat Mode though, which is a start.

It seems to happen every angle for me with a pig or squid hat, havnt tried any others

I'm not experiencing the same interference with this, nor have I found a successful way to fix this.

\o/