- Kubernetes now includes a metric that reports the number of PVCs that are in-use,with plugin and node name as dimensions, making it possible to figure out how many PVCs each node is using when troubleshooting attach/detach issues.
 ([#64527](https://github.com/kubernetes/kubernetes/pull/64527), [@gnufied](https://github.com/gnufied))

* `kubectl port-forward` now supports specifying a service to port forward to, as in `kubectl port-forward svc/myservice 8443:443`. Additional support has also been added for looking up targetPort for a service, as well as enabling using svc/name to select a pod. ([#59809](https://github.com/kubernetes/kubernetes/pull/59809), [@phsiao](https://github.com/phsiao))

* fix cluster-info dump error ([#66652](https://github.com/kubernetes/kubernetes/pull/66652), [@charrywanganthony](https://github.com/charrywanganthony))
* attachdetach controller attaches volumes immediately when Pod's PVCs are bound ([#66863](https://github.com/kubernetes/kubernetes/pull/66863), [@cofyc](https://github.com/cofyc))

- The scheduler now retries Pods, which are failed by `nodevolumelimits` due to not found PVCs, only when new PVCs are added. ([#121952](https://github.com/kubernetes/kubernetes/pull/121952), [@sanposhiho](https://github.com/sanposhiho))

* attachdetach controller attaches volumes immediately when Pod's PVCs are bound ([#66863](https://github.com/kubernetes/kubernetes/pull/66863), [@cofyc](https://github.com/cofyc))

- Added scheduler preemption support for pods using `ReadWriteOncePod` PVCs ([#114051](https://github.com/kubernetes/kubernetes/pull/114051), [@chrishenzie](https://github.com/chrishenzie))

## Changelog since v1.8.10

### Action Required

* ACTION REQUIRED: In-place node upgrades to this release from versions 1.7.14, 1.8.9, and 1.9.4 are not supported if using subpath volumes with PVCs.  Such pods should be drained from the node first. ([#61373](https://github.com/kubernetes/kubernetes/pull/61373), [@msau42](https://github.com/msau42))

### Other notable changes

    <root-XML localName="val" namespaceURI="http://docs.oasis-open.org/namespace"/>
    <glob pattern="*.ditaval"/>
  </mime-type>

  <mime-type type="application/dns"/>
  <mime-type type="application/dvcs"/>

  <mime-type type="application/x-dvd-ifo">
    <acronym>IFO</acronym>
    <_comment>DVD information file</_comment>
    <magic priority="70">
      <match value="DVDVIDEO-VTS" type="string" offset="0"/>

## Changelog since v1.7.15

### Action Required

* ACTION REQUIRED: In-place node upgrades to this release from versions 1.7.14, 1.8.9, and 1.9.4 are not supported if using subpath volumes with PVCs.  Such pods should be drained from the node first. ([#61373](https://github.com/kubernetes/kubernetes/pull/61373), [@msau42](https://github.com/msau42))

### Other notable changes

    * "dns" {
    *   "servers": ["10.0.0.10"],
    *   "searches": ["default.svc.cluster.local","svc.cluster.local","cluster.local"],
    *   "options": []
    * }