Jay's Ores and Biomes V2.1.1.jar is a release file of the Minecraft mod Jay's Ores and Biomes, made for Minecraft 1.16.5. It was published on November 10, 2022 and is 1.1 MB in size. For the full description, screenshots and every other version, visit the Jay's Ores and Biomes mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.