missing_and_new_variants-1.12.2-1.4.jar is a release file of the Minecraft mod Missing & New Block Variants for Forge, made for Minecraft 1.12.2. It was published on April 12, 2025 and is 2.2 MB in size. For the full description, screenshots and every other version, visit the Missing & New Block Variants mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.