pacman -Q|grep xdg-desktop-portal
xdg-desktop-portal 1.20.0-1
xdg-desktop-portal-gnome 48.0-2
xdg-desktop-portal-gtk 1.15.3-1
env|grep 'GTK\|QT'
QTWEBENGINE_CHROMIUM_FLAGS=-blink-settings=darkModeEnabled=true -enable-features=OverlayScrollbar,OverlayScrollbarFlashAfterAnyScrollUpdate,OverlayScrollbarFlashWhenMouseEnter
GTK_USE_PORTAL=1
rc-status
Runlevel: default
apparmor [ started ]
dbus [ started 04:26:43 (0) ]
elogind [ started 04:26:43 (0) ]
ufw [ started ]
NetworkManager [ started ]
netmount [ started ]
gdm [ started 04:25:21 (0) ]
metalog [ started 04:25:22 (0) ]
acpid [ started 04:25:22 (0) ]
bluetoothd [ started 04:25:22 (0) ]
colord [ started ]
cronie [ started 04:25:22 (0) ]
docker [ started ]
openrc-settingsd [ started ]
xdg-desktop-portal [ stopped ]
local [ started ]
agetty.tty6 [ started 04:25:20 (0) ]
agetty.tty5 [ started 04:25:20 (0) ]
agetty.tty2 [ started 04:25:20 (0) ]
agetty.tty3 [ started 04:25:20 (0) ]
agetty.tty1 [ started 04:25:20 (0) ]
agetty.tty4 [ started 04:25:20 (0) ]
Dynamic Runlevel: hotplugged
user.fff [ started 04:23:44 (0) ]
Dynamic Runlevel: needed/wanted
containerd [ started ]
Dynamic Runlevel: manual
When trying to start xdg-desktop-portal manually, it says
* rc-service: No such file or directory