The bug
In specific situations, like when in tall trees, horses will sometimes lose the ability to pathfind/move, lose the ability to be tamed, and sometimes not react to being punched.
Steps to reproduce
Build up with dirt a few blocks.
Grow a tree on those blocks.
Spawn a horse on top of the tree and observe.
Thank you for your report!
We are tracking this issue in MC-185907 and MC-211204, so this ticket is being resolved and linked as a duplicate.
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