As in the video, we have found a bug that make piglins duplicate items.

How to reproduce (Multiplayer & Singleplayer):

1. Summon Piglin
2. Rename it with merge data command

   execute as @e[type=minecraft:piglin,name="Piglin"] run data merge entity @s {CustomNameVisible:1,CustomName:"{\"text\":\"Piglin\",\"color\":\"gray\"}"}
   

1. Drop items to make piglin hold
2. Piglin will get dropped item on the ground.
3. Kill Piglin and get a lot of items that piglin had picked up before

Video:

https://youtu.be/Ve-ntXkUe2kDuplicate

(When get entity data)

https://youtu.be/5xSfkUhrNEM