When you tame a horse in survival mode and attach a saddle and armor to the horse, the horse will disappear. See Video with this link: https://www.youtube.com/watch?v=FYMxP-oPFhU&feature=youtu.be
Environment
A standard survival world with cheats on. Minecraft Version: 18w43c (In Relation to the upcoming update of 1.14) I am using a Macbook Pro from the year 2017.
Moved to the correct project.
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However, this issue is a Duplicate of MC-137563.
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