I reported this one the KDE Bugzilla https://bugs.kde.org/show_bug.cgi?id=417389, and they told me to report it here.
SUMMARY
Right-clicking on an item shows all the options greyed out and unusable
STEPS TO REPRODUCE
- Start Kleopatra
- Right-click on an item
OBSERVED RESULT
All items greyed out
EXPECTED RESULT
Choices would be selectable
Operating System: FreeBSD 11.3
KDE Plasma Version: 5.17.5
KDE Frameworks Version: 5.66.0
Qt Version: 5.13.2
Kernel Version: 11.3-RELEASE-p6
OS Type: 64-bit
Processors: 4 × ACPI CPU
Memory: 31.7 GiB of RAM