Created attachment 123148 [details] screenshot firefox 1 They don't have the familiar blue but instead they are coloured black. Sometimes the blue appears on mouse-over and stays, but the behaviour seems a bit unpredictable. I'll attach two examples from firefox and two from gtk3_preview SOFTWARE/OS VERSIONS KDE Plasma Version: 5.16.90 (also present in 5.17.0) KDE Frameworks Version: 5.63.0 Qt Version: 5.13.1
Created attachment 123149 [details] screenshot firefox 2
Created attachment 123150 [details] gtk3_preview 1
Created attachment 123151 [details] gtk3_preview 2
*** This bug has been marked as a duplicate of bug 412078 ***