Custom advancements are available through ItemsAdderAdditions.
Define custom Minecraft advancement trees directly in your ItemsAdder content YAML files. No datapacks, no restarts. Add an advancements section and run /iareload.
- Create new advancement tabs with a custom background texture
- Build tree structures by parenting advancements to each other
- Custom triggers, player predicates, and completion actions
Check the full documentation here.