$ sudo pacman -Sy plasma-desktop
Visible in lower-right corner:
$ sudo pacman -Sy plasma-pa
Visible in lower-right corner:
$ sudo pacman -Sy plasma-nm
Without kscreen no Display & Monitor
entry would appear in settings to rearrange the order of primary and secondary monitors:
$ sudo pacman -Sy kscreen
Connection via MTP protocol didn't work till the default KDE file browser was installed:
$ sudo pacman -Sy dolphin