I’ve hurried to make advancement and I deleted my previous post, because I’ve found this feature in Ardour v.7 Nightly (May be developers wanted to show it during release, sorry! dspasic has noticed already my post)
Desires are infinitive - developers are two))) @dspasic Yes that’s could be so nice.)) I’ve noticed that I can control the preview volume in the side panel through the Import window - they are related.