Found while testing MC-129795.
Players or mobs can't push move minecart, when shulker ride it
Boats travel fast on mobs
Falling onto shulkers from a height or sprinting on top of shulkers does not produce particles
Stuttering movement when walking on top of boats; same applies to some extend to the moving top of a shulker
Glitched collision with shulkers and boats
Shulker is buggy
Shulker collision box bug
You cant stand on a Shulker.