https://bugs.winehq.org/show_bug.cgi?id=53650
--- Comment #11 from GizMo79 gizmo_1979@yahoo.it --- (In reply to Matheus from comment #9)
Do they show up when you alt-tab?
I mostly use opt to work together with other programs like ltspice (with wine) and kicad (linux). I often keep many programs open, having windows that disappear or are not seen in the virtualdesktop annoys me, I would also pay to fix it.