I did a single biome world in singleplayer, warped forest biome. In the bastion remnants in the world, Piglins do not spawn, but instead Zombified Piglins with Piglin gear (crossbow, gold sword, gold armor).
MC-195847
Zombie Piglins in Bastion, Single Biome
Resolved
Invalid
0
Piglins in the Overworld convert to Zombified Piglins.