Hi all, owned a Matrixbrute for about a month now. Has been great to find and read this forum post regarding possible firmware to come. I am 100% on board with the additional modulation bus request, and in my Arturia feedback after purchase, I mentioned this to them (still no reply back though).
Another request was around the "Preset + knob" method of finding what settings a saved preset has. Its currently really clunky and painful to rebuild a saved patch, having to use two hands.
I believe the best possible method on this synth would be to have the LED screen with the patch number automatically display parameter values as a knob is twisted, with the [P] (saved parameter) displayed as it is passed through. Then as changes are completed, allow a 1-2 second timeout before the screen goes back to the patch number. In other words, remove the need to press "Preset" to get access to this information. I understand it becomes tricky with more than one parameter being adjusted at once, but other synths like electribes and Access Virii seem to handle it with some finess.