JacobIRC v4 beta is a release file of the Minecraft plugin JacobIRC. It was published on June 26, 2014 and is 0.2 MB in size. For the full description, screenshots and every other version, visit the JacobIRC plugin page.
How to install: Put the .jar into the plugins folder of your Paper, Spigot or Bukkit server and restart the server.
