Hide messages “Entered Chat”, “Left Chat”, ...
Multimedia
Disable chat messages “entered room”, “left room”, “is away” and “is back”
Paste the following code in the menu item “Advanced Settings” of the respective styles in which the chat messages should no longer be displayed.
CSS
li[data-object-type="be.bastelstu.chat.messageType.join"],
li[data-object-type="be.bastelstu.chat.messageType.leave"],
li[data-object-type="be.bastelstu.chat.messageType.away"],
li[data-object-type="be.bastelstu.chat.messageType.back"] {
display:none;
}