WKD sync service failed due to custom/unofficial key
From the logs:
archlinux-keyring-wkd-sync[677774]: Refreshing key 5EC9C583E89A389DFF8EDBE1C889BD52BCF056C5 with UID lahwaacz@archlinux.org...
archlinux-keyring-wkd-sync[677947]: gpg: error retrieving 'lahwaacz@archlinux.org' via WKD: No data
archlinux-keyring-wkd-sync[677947]: gpg: error reading key: No data
The key was added to the pacman keyring and lsigned with https://wiki.archlinux.org/title/Pacman/Package_signing#Adding_unofficial_keys