ars_affinity-1.21.1-1.0.0-beta10.jar is a beta file of the Minecraft mod Ars Affinity for NeoForge, made for Minecraft 1.21.1. It was published on October 4, 2025 and is 1.3 MB in size. Pre-release builds can contain bugs — back up your world before installing. For the full description, screenshots and every other version, visit the Ars Affinity mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
