avg@ reports to the mailing list (https://mail.kde.org/pipermail/kde-freebsd/2019-July/031951.html): > Does user switching work for anybody? > Is there any additional configuration needed to get it working? > > It does not work for me at all. When I click "Start New Session" I am taken back to the unlock screen for a current user. > This is with the latest plasma 5.16.2. I haven't tested this with 5.16.5, but I guess it's still broken.
Yes it's still broken.
I should clarify that the original report was for sddm. Later, I tried lightdm and with it "Start New Session" does indeed start a new X/lightdm session.