The bug
Some mobs can auto-jump when on a honey block.
Affected mobs
Horse
Donkey
Mule
Skeleton horse
Zombie horse
Llama
Trader llama
Enderman
Turtle
Iron golem
Ravager
Pig (When the mob or player rides it)
Strider (When the mob or player rides it)
Drowned
Axolotl
Frog
Camel
Linked issues
is duplicated by 2
relates to 7
2 more links
This autojumping behaviour could not be reproduced in Bedrock (PC).
Solo animals and mobs would not move up honey stairs. and neither could ridden animals move up.