The Bug:
Allays can pass through walls client-side as a result of them not colliding with entities properly.
Steps to Reproduce:
Summon a hollow box around yourself.
/fill ~-2 ~-1 ~-2 ~2 ~3 ~2 minecraft:glass hollow
Summon around fifty allays within the box.
Allow the allays to collide with one another and watch closely as they do this.
Take note as to whether or not allays can pass through walls client-side as a result of them not colliding with entities properly.
Observed Behavior:
Allays do not collide with entities properly resulting in them being able to pass through walls client-side.
Expected Behavior:
Allays would collide with entities properly and not pass through walls client-side.
This ticket closely relates to MC-89883