I notice that my rpi4 running 6.1.21-3-rpi-ARTIX-RPI4 doesn't seem to have any wifi device.
rfkill list shows no devices
I checked and with an earlier kernel 5.15.88-1-rpi-ARTIX-RPI4 I do see wlan0.
I suppose I need to change either /boot/config.txt or /boot/cmdline.txt, or load a module.