Comment 9 for bug 1800577

Its worrying that you cannot reproduce it but here is a screenshot showing the problem on a Macbook Pro Retina 15 inch screen using MacOS 10.15.6, and using Mixx 2.2.3 (build 2.2 r6750).

The listing is scrolled to the very bottom and you can just see the obscured final track highlighted by pressing the down arrow to reach it. This is the All Tracks view but it happens on every view where the number of tracks is greater than the unscrolled space and where the columns are larger than the available width which produces the horizontal scroll bar at the bottom to obscure the final track.

I hope that helps.