+1
Do as Microsoft did with windows 9, skip Cubase 9 and do the right thing with Cubase 10.
I’m not sure what Microsoft actually did but at a distance it looked like it wasn’t all bad, which is all besides the point?
Back to Cubase! Just postpone all the plans for C9 and keep them on your hard drives in Hamburg or at least put them on the back burner.
Get 95% of the issues ironed out even if it takes one or two years and get the most rock stabelestingest DAW on the market with just about no crap in the code. Would the audio industry and community notice? Ya betcha! Would the competition cry all the way to the bank? Is a bear catholic? Does the Poop sh!t in the woods?
Time for a timeout. Regroup and attack again.
The version(s) following that would be much easier to maintain and the users will … shut up! 
Now think about adding new features on top of that must be a blast for everybody?
All this while the competition is crying all the way to the bank and the industry takes notice …