rubidium-1.0.0.jar is a release file of the Minecraft mod Rubidium Modifier for Fabric, made for Minecraft 1.21.11. It was published on September 11, 2026 and is 1.7 MB in size. For the full description, screenshots and every other version, visit the Rubidium Modifier mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
