SUMMARY If preview is enabled and the preview size is set to maximum, using Ctrl+mouse wheel up will rerender the previews, although it should not change anything. For updating there's F5. STEPS TO REPRODUCE 1. Open a file dialog 2. Enable previews 3. Set the preview size to maximum - The "bigger preview size" button is now deactivated and the slider at the far right position 4. Press ctrl and scroll upwards with the mouse wheel OBSERVED RESULT The previews are all rerendered EXPECTED RESULT Nothing happenes. SOFTWARE/OS VERSIONS Operating System: Manjaro Linux KDE Plasma Version: 5.17.4 KDE Frameworks Version: 5.65.0 Qt Version: 5.13.2