* Remove deprecated ContainerVM support from GCE kube-up.  ([#58247](https://github.com/kubernetes/kubernetes/pull/58247), [@mikedanese](https://github.com/mikedanese))

    * Remove deprecated kube-push.sh functionality.  ([#58246](https://github.com/kubernetes/kubernetes/pull/58246), [@mikedanese](https://github.com/mikedanese))

* added --list option to the `kubectl label` command ([#51971](https://github.com/kubernetes/kubernetes/pull/51971), [@juanvallejo](https://github.com/juanvallejo))
* Removing `--prom-push-gateway` flag from e2e tests ([#52485](https://github.com/kubernetes/kubernetes/pull/52485), [@nielsole](https://github.com/nielsole))

[Documentation](https://docs.k8s.io)

## Important note about manual tag

Due to a [tagging bug in our Release Engineering tooling](https://github.com/kubernetes/release/issues/1080) during `v1.18.0-alpha.3`, we needed to push a manual tag (`v1.18.0-alpha.4`).

**No binaries have been produced or will be provided for `v1.18.0-alpha.4`.**

and serve current metrics values. It provides the Metrics API that is used by `kubectl top`, and horizontal pod autoscaler. Note that it doesn't include some features of Heapster, such as short term metrics for graphs in kube-dashboard and dedicated push sinks, which proved hard to maintain and scale. Clusters using Heapster for transferring metrics into long-term storage should consider using their metric solution's native Kubernetes support, if present, or should consider alternative solutions. ...

* Since `kubernetes.tar.gz` no longer includes client or server binaries, `cluster/kube-{up,down,push}.sh` now automatically download released binaries if they are missing. ([#38730](https://github.com/kubernetes/kubernetes/pull/38730), [@ixdy](https://github.com/ixdy))

* Add APIService conditions ([#43301](https://github.com/kubernetes/kubernetes/pull/43301), [@deads2k](https://github.com/deads2k))

* Create and push a docker image for the cloud-controller-manager ([#45154](https://github.com/kubernetes/kubernetes/pull/45154), [@luxas](https://github.com/luxas))