A standard install with a kickstart file on fedora or centos just installs the packages from the install repository, which are usually outdated after some days after the release of a new fedora/centos version. So installing a fedora/centos always requires a %post section in the kickstart file where you would call a dnf/yum update -y in order to upgrade the old and outdated packages. This is a waste of time and bandwidth and the dnf/yum installer can use multiple repositories at the same time and pick the latest version.
How can I tell anaconda during a fresh install to include the "updates" repository for installation, so that a yum/dnf update -y afterwards is not required, as the updates woud already be installed?
repo
option of kickstart?