BossBarUltra-3.1 is a release file of the Minecraft plugin BossbarUltra, made for Minecraft 1.21.2, 1.21, 1.21.3, 1.21.8, 1.21.4, 1.21.5, 1.21.7, 1.21.1, 1.21.6, 1.21.9, 1.21.10, 1.21.11. It was published on May 1, 2026 and is 0 MB in size. For the full description, screenshots and every other version, visit the BossbarUltra plugin page.
How to install: Put the .jar into the plugins folder of your Paper, Spigot or Bukkit server and restart the server.
