STEPS TO REPRODUCE 1. Set volume to 100% 2. systemctl suspend 3. Wake up the machine 4. Check the volume level OBSERVED RESULT After waking the computer, the volume is set to 74%. EXPECTED RESULT Volume should stay at 100%. SOFTWARE/OS VERSIONS Linux/KDE Plasma: openSUSE Leap 15.3 (available in About System) KDE Plasma Version: 5.24.2 KDE Frameworks Version: 5.91.0 Qt Version: 5.15.2 ADDITIONAL INFORMATION X11, kernel 5.3.18. I have this every time.
Please report this to PulseAudio or PipeWire (depending on which one you are using), Plasma has nothing to do with that behavior