Created attachment 167350 [details] Sample code SUMMARY After calling QMainWindow::restoreState() (i.e. after first run for typical application), toolbar's background does not match window decoration color anymore. Sample code: STEPS TO REPRODUCE 1. Save main window state using QMainWindow::saveState 2. Restore main window state using QMainWindow::restoreState OBSERVED RESULT Toolbar's background does not match window decoration. EXPECTED RESULT Toolbar's background matches window decoration. SOFTWARE/OS VERSIONS Linux/KDE Plasma: openSUSE Tumbleweed KDE Plasma Version: 6.0.2 KDE Frameworks Version: 6.0.0 Qt Version: 6.6.2 ADDITIONAL INFORMATION
Created attachment 167351 [details] First run
Created attachment 167352 [details] Second run