"No MIDI send/receive" seems to create PolyAftertouch messages

Question

I had started using the "no MIDI send/receive" MIDI type for certain controls, to avoid unwanted MIDI messages e.g. for radio buttons, when the layout is set to "Supercontrols send own values" or in the same layout, when a Supercontrol should just be supercontrolling. But in MIDI Monitor on my computer I see unintentional Poly Aftertouch messages coming together with every intended sysex message. So far my workaround is an according output rule, simply blocking PolyAftertouch, which works fine. Still it irritates me, am I doing something wrong?

By the way I realized that the PA comes on different channels. I had blocked A0, but then is came as A2.

Downloads: 343
No MIDI SendReceive test layout
Downloads: 343

Images

Screenshot 1: a simple knob set to No MIDI send/receive

4 buttons set to No MIDI send/receive, grouped by a knob

Comments

Can you provide me a simplest possible layout that shows the bug, perhaps? That was we’ve got a test case to work with

Thanks!

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Supercontrols send own values is kind of a mess. Is it necessary to get the bug to show?

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I added a test layout with a knob set to No MIDI Send/Receive. When being turned it seems to send the Aftertouch messages, which I can see on the computer (using MIDI Monitor). The messages don't appear in MDs own Log!!
Secondly I added a group of 4 buttons, super controlled by a knob. The buttons are set to No MIDI Send/Receive, as the knob is supposed to send messages instead (Supercontrols send own values).
I added screenshots from MIDI Monitor, Aftertouch refers to PolyAT (MonoAt would be shown as "Channel Pressure"). In my actual application PolyAT appears on various channels.

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Fixed in 2.3119