Caves Cliffs Backport (Stone Variants) 1.20.jar is an alpha file of the Minecraft mod Caves & Cliffs Backport (Additions) for Forge, made for Minecraft 1.16.5. It was published on October 7, 2021 and is 0.1 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 Caves & Cliffs Backport (Additions) mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.