diamond_smithing_upgrade-1.0.0-forge-1.20.1.jar is a release file of the Minecraft mod FatPigeon's Diamond Upgrade Template for Forge, made for Minecraft 1.20.1. It was published on June 15, 2026 and is 0.6 MB in size. For the full description, screenshots and every other version, visit the FatPigeon's Diamond Upgrade Template mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.