This saves UPS battery and ensures that host(s) get back up again when power comes back, even in the scenario when the UPS would have had enough capacity to keep power on during the whole power outage.
If you like the old behaviour of keeping the UPSs on (and emptying the battery) after the host(s) have shut down, and risk not getting a power cycle event to get the host(s) back up, set `power.ups.upsmon.settings.POWERDOWNFLAG = null;`.
-`nixos-firewall-tool` now supports nftables in addition to iptables and is installed by default when NixOS firewall is enabled.
- Support for *runner registration tokens* has been [deprecated](https://gitlab.com/gitlab-org/gitlab/-/issues/380872)
in `gitlab-runner` 15.6 and is expected to be removed in `gitlab-runner` 18.0. Configuration of existing runners
should be changed to using *runner authentication tokens* by configuring