v1.1 is a release file of the Minecraft mod Create SMP Core for Forge, made for Minecraft 1.20.1. It was published on September 13, 2023 and is 0 MB in size. For the full description, screenshots and every other version, visit the Create SMP Core mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.