`MasterConfiguration` and `NodeConfiguration` manifest files that exist for configuring kubeadm. Before it only existed as a command line flag and was not able to be configured when using the `--config` flag and the manifest files. ([#59057](https://github.com/kubernetes/kubernetes/pull/59057))([#59292](https://github.com/kubernetes/kubernetes/pull/59292), [@JordanFaust](https://github.com/JordanFaust))

* `kubeadm init` can now omit the tainting of the master node if configured to do so in `kubeadm.yaml`...