"it would be nice for the taskbar tab corresponding to the tabbed conversations changed title to match the name of the contact with a new message."
reply: "The auto switching (wich is the only way to switch taskbar buttons/names) has been taken out for a reason. Main reason is the window might change and you don't notice...and end up sending the message (or file) in the wrong conversation.
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but i'm suggesting only a title change, not auto tab change
that sub option is a complete no, unless it only changed if the window is not selected.