You can drag the percentage slider but the red that used to show up in 9.5 and below no longer works.
No, he is writing about the catch range in the quantize panel.
There was a visual response up to 9.5. The green bars went thicker. Sadly this is gone since 10…
Confirmed here on Win 10 1903 / CB 10.0.40
Thank you for the explanation. Now I got it. I can reproduce it, and reported it to Steinberg CAN-24988.
Thank you, Martin.