see this video and fix https://www.youtube.com/watch?v=OqRYvKY08qk&feature=youtu.be
MC-138065
Minecraft 18w43c wear horse armour bug!
Resolved
Duplicate
0
Thank you for your report!
However, this issue is a Duplicate of MC-137563.
If you have additional information, please add it to that report.
Please search before reporting, as it's likely that one exists already.
Quick Links:
📓 Issue Guidelines – 💬 Community Support – 📧 Customer Support – 📖 Game Wiki