I find Groupy most useful to tabulate my File Explorer windows and I open/tab many such windows during a typical day. After more than a few tabs crowd the title bar, I cannot see the full pathname within each tab title, so it is difficult to find a particular tab. The previews are nearly identical and often I have to click each tab to get to the one I need.
Instead of (or in addition to) a window preview, could Groupy show the corresponding full pathname when I mouseover each tab?