I know this is the first nether beta update but piglin needs to barter and trade more items and stunfortunately. Also, the Piglins steal player's item and the item is not drop when the Piglin died.
MCPE-65721
Piglin Bartering
Resolved
Duplicate
0
ArenaMaster01
(Unassigned)
Unconfirmed
Multiple
All Platform For Bedrock Community
1.16.0.51 Beta
Retrieved
This will probably change in the next beta/betas