* [GCE] Apiserver uses `InternalIP` as the most preferred kubelet address type by default. ([#59019](https://github.com/kubernetes/kubernetes/pull/59019), [@MrHohn](https://github.com/MrHohn))
* Expose Metrics Server metrics via /metric endpoint. ([#57456](https://github.com/kubernetes/kubernetes/pull/57456), [@kawych](https://github.com/kawych))

- Added support kubelet plugin watcher in device manager, as part of the new plugin system. ([#58755](https://github.com/kubernetes/kubernetes/pull/58755), [@vikaschoudhary16](https://github.com/vikaschoudhary16))
- Expose docker registry config for addons used in Juju deployments ([#66092](https://github.com/kubernetes/kubernetes/pull/66092), [@kwmonroe](https://github.com/kwmonroe))

## Changelog since v1.6.6

### Other notable changes

* kubeadm: Expose only the cluster-info ConfigMap in the kube-public ns ([#48050](https://github.com/kubernetes/kubernetes/pull/48050), [@luxas](https://github.com/luxas))

- Expose `/debug/flags/v` to allow dynamically setting log level for kube-proxy. ([#98306](https://github.com/kubernetes/kubernetes/pull/98306), [@borgerli](https://github.com/borgerli)) [SIG Network]

Kubeadm: Expose the `kubeadm join` workflow as phases

- Add latency and request count metrics for scheduler framework. ([#83569](https://github.com/kubernetes/kubernetes/pull/83569), [@liu-cong](https://github.com/liu-cong))
- Expose SharedInformerFactory in the framework handle ([#83663](https://github.com/kubernetes/kubernetes/pull/83663), [@draveness](https://github.com/draveness))

  // +optional
  optional string name = 1;

  // Number of port to expose on the host.
  // If specified, this must be a valid port number, 0 < x < 65536.
  // If HostNetwork is specified, this must match ContainerPort.
  // Most containers do not need this.
  // +optional
  optional int32 hostPort = 2;

  // Number of port to expose on the pod's IP address.
  // This must be a valid port number, 0 < x < 65536.

  - Speed up binpacking by reducing the number of PreFilter calls (call once per pod instead of #pods*#nodes times)
  - Speed up finding unneeded nodes by 5x+ in very large clusters by reducing the number of PreFilter calls
  - Expose `--max-nodes-total` as a metric
  - Errors in `IncreaseSize` changed from type `apiError` to `cloudProviderError`
  - Make `build-in-docker` and `test-in-docker` work on Linux systems with SELinux enabled

- Added the ability to specify whether to use an RFC7396 JSON Merge Patch, an RFC6902 JSON Patch, or a Strategic Merge Patch to perform an override of the resources created by `kubectl run` and `kubectl expose`. ([#105140](https://github.com/kubernetes/kubernetes/pull/105140), [@brianpursley](https://github.com/brianpursley))

- `kubectl explain` should correctly work for all resources. ([#118876](https://github.com/kubernetes/kubernetes/pull/118876), [@atiratree](https://github.com/atiratree))
- `kubectl expose` supports the creation of different protocol services on the same port. ([#114909](https://github.com/kubernetes/kubernetes/pull/114909), [@aimuz](https://github.com/aimuz))