SUMMARY It seems that one CPU core is fully used when plasmashell is running. STEPS TO REPRODUCE 1. Watch your CPU usage of the processes and cores 2. Start plasmashell 3. OBSERVED RESULT EXPECTED RESULT SOFTWARE/OS VERSIONS Linux/KDE Plasma: 6.4.7-arch1-1 (64-bit) / 5.27.6 (available in About System) KDE Plasma Version: 5.27.6 KDE Frameworks Version: 5.108.0 Qt Version: 5.15.10 ADDITIONAL INFORMATION
problem resolved with next version