*  - `kubernetes` plugin adds metrics to measure kubernetes control plane latency.
    *  -  the `health` plugin now includes the `lameduck` option by default, which waits for a duration before shutting down.
* Kubeadm now includes CoreDNS version 1.6.5 ([#85108](https://github.com/kubernetes/kubernetes/pull/85108), [@rajansandeep](https://github.com/rajansandeep))

    `pod.alpha.kubernetes.io/opaque-int-resource-` prefix.

## Notable Features

### Workloads API (apps/v1beta2)

Kubernetes 1.8 adds the apps/v1beta2 group and version, which now consists of the
DaemonSet, Deployment, ReplicaSet and StatefulSet kinds. This group and version are part

- Adds CEL expressions to v1alpha1 AuthenticationConfiguration. ([#121078](https://github.com/kubernetes/kubernetes/pull/121078), [@aramase](https://github.com/aramase)) [SIG API Machinery, Auth and Testing]

[kubernetes-node-windows-amd64.tar.gz](https://dl.k8s.io/v1.7.0/kubernetes-node-windows-amd64.tar.gz) | `4b84b0025aff1d4406f3e5cd5fa86940f594e3ec6e1d12d3ce1eea5f5b3fc55d`

## **Major Themes**

Kubernetes 1.7 is a milestone release that adds security, stateful application, and extensibility features motivated by widespread production use of Kubernetes.

    * Adds support for 1.5.x series of Kubernetes
    * Introduces a tactic for keeping templates in sync with upstream eliminating template drift
    * Adds CNI support to the Juju Charms
    * Adds durable storage support to the Juju Charms
    * Introduces an e2e Charm layer for repeatable testing efforts and validation of clusters

    *   Support for Kubernetes IPv6 cluster deployments using kubeadm.
    *   Support for the iptables kube-proxy backend using ip6tables.
    *   Relies on CNI 0.6.0 binaries for IPv6 pod networking.
    *   Adds IPv6 support for kube-dns using SRV records.
    *   Caveats
        *   Only the CNI bridge and local-ipam plugins have been tested for the alpha release, although other CNI plugins do support IPv6.

* adds the `kubeadm upgrade diff` command to show how static pod manifests will be changed by an upgrade. ([#63930](https://github.com/kubernetes/kubernetes/pull/63930), [@liztio](https://github.com/liztio))
* Fix memory cgroup notifications, and reduce associated log spam. ([#63220](https://github.com/kubernetes/kubernetes/pull/63220), [@dashpole](https://github.com/dashpole))

### Bug or Regression

and enhances scheduling of pods that use CSI volumes with late binding.

[Volume expansion](https://github.com/kubernetes/enhancements/issues/284) adds support
for resizing existing persistent volumes.

### NonPreemptingPriority to Stable

This feature adds [a new option to PriorityClasses](https://github.com/kubernetes/enhancements/issues/902),
which can enable or disable pod preemption.

- Adds alpha --output plaintext protected by environment variable `KUBECTL_EXPLAIN_OPENAPIV3` ([#113146](https://github.com/kubernetes/kubernetes/pull/113146), [@alexzielenski](https://github.com/alexzielenski)) [SIG CLI]