Created attachment 125115 [details] Screenshot of the preview window of Gwenview. SUMMARY When hovering the mouse over the taskbar windows' icons, a preview of a (non minimized) window is shown. Normally it's updated in real time, for example for when playing videos in the VLC or in a browser. When Gwenview is opened, you have additionally buttons to stop/start a slideshow. If you start it and observe the preview, you'll notice that the preview won't change until you close and reopen the preview. SOFTWARE/OS VERSIONS Operating System: Manjaro Linux KDE Plasma Version: 5.17.4 KDE Frameworks Version: 5.66.0 Qt Version: 5.14.0 Kernel Version: 5.4.6-2-MANJARO
Can no longer reproduce it.