Having peaceful mode on while having Piglins in the overworld will despawn them after a short while after a short while because they're normally supposed to convert into Zombified Piglins after a short while in being in the Overworld.
MCPE-101470
Piglins despawning
Resolved
Works As Intended
0
Thank you for your report!
However, this issue has been closed as Working as Intended.
See MC-178941.
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