I have one user, if I click switch user the session is closed then SDDM appears, I type my password then press enter but the splash screen freezes indefinitely and I should manually force power off my laptop to use it again.
The solution is to set
/etc/sddm.conf , I don’t know why Manjaro has
false as default value which causes problems and prevents reusing current session.
See 434370 – Switch user fails
Operating System: Manjaro Linux KDE Plasma Version: 5.21.3 KDE Frameworks Version: 5.80.0 Qt Version: 5.15.2 Kernel Version: 5.4.105-1-MANJARO OS Type: 64-bit Graphics Platform: X11