It might be good if you had a sound notification or an icon that would appear in the tab when a new message arrives. (with the option to turn it off) That would

It might be good if you had a sound notification or an icon that would appear in the tab when a new message arrives. (with the option to turn it off) That would make it easier to check something in another window without getting really distracted and missing that you have a message. I like the UI.