UCUPV4.jar is an alpha file of the Minecraft mod Ultra Craft Ultra Pack, made for Minecraft 1.16.5. It was published on March 9, 2022 and is 0.7 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 Ultra Craft Ultra Pack mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
