System: macOS Sonoma
Qt Version: 6.8.2
As in the title, in qt 6.8, changes were made that break QWidget version of QWK. Everything works okey with Qt 6.6.3. QML version works fine on both Qt versions.
Qt 6.8.2 (space above custom title bar is not interactive and window can't be dragged by grabbing it)

Qt 6.6.3
