polymorph-neoforge-1.0.8+1.21.1.jar is a release file of the Minecraft mod Polymorph for NeoForge, made for Minecraft 1.21, 1.21.1. It was published on April 1, 2025 and is 0.2 MB in size. For the full description, screenshots and every other version, visit the Polymorph mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.