Midi Jitter during playback !!!

That’s the point!
Take some time to do a very simple test and you’ll notice there is something “shifty” going on between exporting or recording the playback signal.

  • New project

  • Add Groove Agent One (Preset Pop Kit) + midi track

  • Play a bar of rimshots (c#1)

  • Export it 2 times

  • Import the 2 export files and phase reverse 1 of them

  • mute the Groove Agent

  • Hit play
    - Result = NULL

  • Delete the audio files

  • Unmute Groove Agent

  • Record the output of Groove Agent to the 1st audio track

  • Stop

  • Now record the output of Groove Agent the 2nd audio track

  • Phase inverse 1 of the audio tracks

  • Hit play
    - Result = not NULL

I did the same test with Studio One on the same hardware with the same ASIO driver and the export and the recordings of the audio both nulled.
In Studio One even the export can be nulled against the VSTi after you shift the sample -0.06ms
With Cubase that’s impossible because the shifts in playback are totally random.
So it has nothing to do with midi clocks or other HW.

Whether it’s a showstopper or not is not the questions. Different styles, different needs.