dMobs don't drop stuff, only creepers skelletons zombies and spieders are droping stuff. I have a slime Pigman and Enderman Farm and all dont drop their loot.
Linked issues
Comments 4
Since you mentioned that you were using datapacks when experiencing this issue, this report is a duplicate of MC-205130. If you're wondering, this is caused by an incompatible datapack. See the duplicated link for further details.
Hi there!
Do you happen to be using any data packs?