Sensel App and MIDI Monitor

I notice that when anything is changed in Sensel App – Launch/Quit, Send Map to Morph, etc. – Sensel Morph is deselected in MIDI Monitor as both a Source and a Destination, and no data is sent/received on the MIDI bus from the Morph.

Kind of curious; no other MID equipment behaves like this. (But there is nothing else like a Morph…) Not a big deal, but is this a bug or a feature?