Which Minecraft versions does Chickens support?
Adds new Chicken variants withs drops resources
CurseForgedatapack
No published Minecraft release
Chickens has not published for any Minecraft release we can read.
One mod is never the whole story
A modpack can only move to a new Minecraft version when every mod in it has. McPackSmith reads your whole pack and tells you which ones have not caught up - and Chickens is only one of them.