This update includes an update checker that checks if the plugin is up to date when the plugin gets enabled or an operator joins the game. You can turn this off in the config.
The update also includes a prefix that you can set in the config. This prefix will precede all messages of the plugin (except messages in the console that weren't triggered by a command). If you don't want to have a prefix, just leave the value in the config blank. The standard prefix is
[MH].