STEPS TO REPRODUCE 1. Open Konsole -> Settings -> Configure Konsole 2. Make a new profile -> Edit -> Appearance -> Breeze -> Edit -> Mark 'Blur background', 'Background color transparency' - 50% -> Apply -> OK -> OK 3. Go to System Settings -> Apply Breeze or Breeze Dark or Breeze Twilight or Oxygen theme 4. Go to Workspace Behavior -> Dekstop effects -> Mark 'Translucency' and 'Woobly Windows' 5. Open any application in front of the opened Konsole and try to drag the application window OBSERVED RESULT There is an abberational frame that rims the application's window. Screencast of the bug - https://disk.yandex.ru/i/WCS4RPUGARg9vg EXPECTED RESULT No abberations are appeared. SOFTWARE/OS VERSIONS Linux/KDE Plasma: FreeBSD KDE Plasma Version: 5.27.5 KDE Frameworks Version: 5.106.0 Qt Version: 5.15.8
The abberations are also shown while scrolling Global theme menu after applying theme, here is a screencast -https://disk.yandex.ru/i/OzJAcOnUUXtifQ