UltreonLib 1.5.1 (Forge) is an alpha file of the Minecraft mod [Discontinued] Ultreon Modding Library for Forge, made for Minecraft 1.20.1. It was published on January 23, 2025 and is 1.5 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 [Discontinued] Ultreon Modding Library mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
