The Bug:
Entities will often spin while pathfinding on top of wall hanging signs.
Steps to Reproduce:
Summon a large area of wall hanging signs.
/fill ~1 ~ ~1 ~15 ~ ~15 minecraft:bamboo_wall_hanging_sign
Summon some entities on top of the wall hanging signs.
Wait for them to start walking around and watch them closely.
Take note as to whether or not entities will often spin while pathfinding on top of wall hanging signs.
Observed Behavior:
Entities will often spin.
Expected Behavior:
Entities would not spin.
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Interestingly, mobs can only pathfind on top of wall hanging signs if they are one block above a pathfindable block. If the blocks are placed on air, they are unable to pathfind.
Closely relates to MC-226637.