0.8.9.9.9.3 - 1.20.1 is a release file of the Minecraft mod Vanilla Extra Stairs & Slabs for Forge, made for Minecraft 1.20.1, 1.20. It was published on November 30, 2024 and is 3 MB in size. For the full description, screenshots and every other version, visit the Vanilla Extra Stairs & Slabs mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.