SUMMARY When the laptop lid is closed and the computer suspends while a right-click menu is open on the Plasma desktop and screen is set to lock on suspend, the screen will not be locked when it returns from suspend. STEPS TO REPRODUCE 1. Right click on Plasma Desktop 2. Suspend system while right-click menu is open 3. Return from suspend and notice that there is no lock. OBSERVED RESULT Screen is not locked. EXPECTED RESULT Screen should be locked. SOFTWARE/OS VERSIONS OS: openSUSE Tumbleweed KDE Plasma Version: 5.22.2 KDE Frameworks Version: 5.83.0 Qt Version: 5.15.2 ADDITIONAL INFORMATION
After some research, this bug appears to be a duplicate of: https://bugs.kde.org/show_bug.cgi?id=78871 This bug is a result of QMenu grabbing X11, not allowing KScreenlocker to grab it.
*** This bug has been marked as a duplicate of bug 78871 ***