After upgrading to 9.3.1-1 and a reboot, wlan access failed.
I saw some core dumps but I failed to persist those logs.
I restored to dhcpcd-9.2.0-1-armv7h.pkg.tar.xz and rebooted. Now all is well.
Sorry for not having captured more details ...
Over at artix they experience problems too:
https://forum.artixlinux.org/index.php/ ... .msg0.html