Created attachment 123970 [details] An example of the problem. SUMMARY Some themes are broken in 5.17.3. Some examples are Adapta and Materia. STEPS TO REPRODUCE 1. Change Window Decorations to Materia or Adapta in System Settings. 2. Change Application Style to Kvantum/Kvantum-dark. OBSERVED RESULT As seen in the attached screenshot, the theme is broken. EXPECTED RESULT The theme works as expected. SOFTWARE/OS VERSIONS Linux/KDE Plasma: Arch Linux with the [kde-testing] repo enabled. KDE Plasma Version: 5.17.3 KDE Frameworks Version: 5.64.0 Qt Version: 5.14.0beta3 ADDITIONAL INFORMATION Using Kvantum.
>Qt Version: 5.14.0beta3 Known Qt issue. We're on it