Just an idea to help people optimise / troubleshoot any streaming problems, but could Infuse display the protocol level it has negotiated with the source server when establishing the connection/share. Would not need to take up much screen space at all. Very discreet 
+1
Although it should be possible to do it on the server side. Unfortunately I have got all kind of information, at least for SMB on my NAS (running Linux) but I couldn’t manage o see the SMB version for the connections.