Add this repo to your /etc/pacman.conf:
[cgos-extra] SigLevel = Never Server = https://cgos-extra.canadian-gamer.com/x86_64 Server = https://cgos-extra-ebadb4.gitlab.io/x86_64
Then run:
sudo pacman -Sy
cgos-systemd / cgos-systemd-libs / cgos-systemd-resolvconf / cgos-systemd-sysvcompat — systemd fork (no birthDate field)