* Kubernetes 1.12 also enables [Kubelet device plugin registration](https://github.com/kubernetes/enhancements/issues/595) feature by default. Before upgrading to 1.12, ensure the `driver-registrar` CSI sidecar container for your CSI driver is configured to handle plugin registration (set the `--kubelet-registration-path` parameter on `driver-registrar` to expose a new...

`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`...

- Added warnings to the Services API. Kubernetes now warns for Services in the case of:
  - IPv4 addresses with leading zeros
  - IPv6 address in non-canonical format (RFC 5952) ([#114505](https://github.com/kubernetes/kubernetes/pull/114505), [@aojea](https://github.com/aojea))

* Fixed kubectl auth can-i exit code. It will return 1 if the user is not allowed and 0 if it's allowed. ([#59579](https://github.com/kubernetes/kubernetes/pull/59579), [@fbac](https://github.com/fbac))