An unofficial compatibility and bug-fix addon for Ars Affinity 1.1.1 on Minecraft 1.21.1 with NeoForge.
Fixes issues that could cause:
ConcurrentModificationException errorsThe mod properly separates client and integrated-server affinity data, makes the shared cache thread-safe, and prevents the same spell resolver from awarding affinity multiple times.
Existing worlds and Ars Affinity data remain compatible—no progress reset is required.
Requirements:
This is an unofficial addon and requires the original Ars Affinity mod.