This new feature could help make development more flexible by specifying which systemd service files are enabled for which ports:
https://www.phoronix.com/scan.php?page=news_item&px=systemd-249-rc2
The ConditionOSRelease directive can be used for matching to a value or relative comparison against key-value pairs found in the /etc/os-release file such as if wanting to ensure a systemd unit file is only used if matching a given value or greater than a defined value.