@dogufo - I can confirm the issue is with the MIDISport driver. How I came to this conclusion: The stuck notes also happen in SONAR Platinum, and they certainly never used to The MIDISport refuses to even appear as device within MixCraft or Reaper, and the device freezes on exit and needs unplugged/plugged back in Replacing the MIDISport with a MidiTech Midiface 8x8 solved the issue, with no stuck notes The MIDISport driver is now 8 years old, so it's not really surpr
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