When a player attempts to sit in a boat that is attached to a Happy Ghast’s harness, the boat will behave as though it was not attached to any lead at all. The Happy Ghast will not pull the boat and the boat will not pull the Happy Ghast. This results in the lead connecting the two breaking, and will result in the boat falling to the ground if it is not on the ground already, regardless of if the lead has been broken or not.
(Screenshot to help comprehension: Happy Ghast carrying boat with villager = boat flying. Happy Ghast carrying boat with player = boat on ground. Ghast is not forced to stay near boat, and thus the lead will break when the Ghast moves away.)
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We are tracking this issue in MC-296767, so this ticket is being resolved and linked as a duplicate.
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