Bug reporter includes both versions of Kontact, which confuses the bug report form.
STEPS TO REPRODUCE
1. Tell Kontact to report a bug!
Linux/KDE Plasma: openSUSE Tumbleweed 20210904
(available in About System)
KDE Plasma Version: 5.22.5
KDE Frameworks Version: 5.85.0
Qt Version: 5.15.2
The real problem is that the selected version is not immediately visible, making the impression that no version is selected.
This is valid but obscured by cookies; use an incognito window to get the unspecified version selected.