SUMMARY Kruler reports no problems when started, but nothing appears on the screen. STEPS TO REPRODUCE 1. Enter $kruler on a terminal or start from the Application Launcher OBSERVED RESULT An entry appears on the Task Manager; but no ruler appears on the screen. EXPECTED RESULT Ruler appears on the screen. SOFTWARE/OS VERSIONS Operating System: Fedora Linux 36 KDE Plasma Version: 5.24.5 KDE Frameworks Version: 5.94.0 Qt Version: 5.15.3 Kernel Version: 5.18.7-200.fc36.x86_64 (64-bit) Graphics Platform: X11 Processors: 8 × Intel® Core™ i7-4790K CPU @ 4.00GHz Memory: 15.4 GiB of RAM Graphics Processor: Mesa Intel® HD Graphics 4600 ADDITIONAL INFORMATION kruler-22.04.1-1.fc36.x86_64 Also reported to Fedora Bugzilla
Cannot reproduce, ruler appear just fine for me.