SUMMARY Opacity slider does not make window transparent. STEPS TO REPRODUCE 1. Decrease opacity under context menu -> "Opacity" 2. 3. OBSERVED RESULT KRuler becomes darker and finally solid black for 0% "opacity". EXPECTED RESULT KRuler should become transparent. SOFTWARE/OS VERSIONS Operating System: Fedora 31 KDE Plasma Version: 5.16.5 KDE Frameworks Version: 5.64.0 Qt Version: 5.12.5 Kernel Version: 5.3.15-300.fc31.x86_64 OS Type: 64-bit Processors: 8 × Intel® Core™ i7-6700HQ CPU @ 2.60GHz Memory: 15,4 ГиБ ADDITIONAL INFORMATION
Cannot reproduce with today's Tumbleweed on an intel iGPU. Is composting enabled?
Compositing is off - that caused the problem.
If opacity setting cannot work without compositing, then I would suggest that the Opacity menu should be disabled if compositing is disabled.