bukkit.1.21.9.jar is a release file of the Minecraft plugin auto rollback, made for Minecraft 1.21.9. It was published on December 15, 2025 and is 0 MB in size. For the full description, screenshots and every other version, visit the auto rollback plugin page.
How to install: Put the .jar into the plugins folder of your Paper, Spigot or Bukkit server and restart the server.
