stone-age-1.15.2-1.2.3.jar is a release file of the Minecraft mod Yanny's Stone Age for Forge, made for Minecraft 1.15.2. It was published on November 11, 2020 and is 1 MB in size. For the full description, screenshots and every other version, visit the Yanny's Stone Age mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
