New Sway Remote Desktop
Requirements
Check the host is using only one display:
1test "$WAYLAND_DISPLAY" = "wayland-1"
Start a new sway session, and a wayvnc session:
1WLR_BACKENDS=headless WLR_LIBINPUT_NO_DEVICES=1 sway &
2WAYLAND_DISPLAY=wayland-2 wayvnc
On the client, connect as usual.