* [alpha] Volume resizing

  * You can now increase the size of a volume by calling the Kubernetes API.

  * For alpha, this feature increases only the size of the underlying volume. It does not support resizing the file system.

  * For alpha, volume resizing supports only Gluster volumes.

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* GC pod ips ([#35572](https://github.com/kubernetes/kubernetes/pull/35572), [@bprashanth](https://github.com/bprashanth))
* Fix version string generation for local version different from release and not based on `-alpha.no` or `-beta.no` suffixed tag. ([#34612](https://github.com/kubernetes/kubernetes/pull/34612), [@jellonek](https://github.com/jellonek))

    * - gcr.io/google-containers/kube-dnsmasq-amd64
* - Disable thin_ls due to excessive iops ([#43113](https://github.com/kubernetes/kubernetes/pull/43113), [@dashpole](https://github.com/dashpole))
    * - Ignore .mount cgroups, fixing dissappearing stats
    * - Fix wc goroutine leak
    * - Update aws-sdk-go dependency to 1.6.10

- EndpointSlice controller is now less likely to emit FailedToUpdateEndpointSlices events. ([#100146](https://github.com/kubernetes/kubernetes/pull/100146), [@robscott](https://github.com/robscott)) [SIG Apps and Network]
- Fixing a bug where a failed node may not have the NoExecute taint set correctly ([#98943](https://github.com/kubernetes/kubernetes/pull/98943), [@CKchen0726](https://github.com/CKchen0726)) [SIG Apps and Node]

kube-controller-manager has dropped support for the `--insecure-experimental-approve-all-kubelet-csrs-for-group` flag. It is accepted in 1.7, but ignored. Instead, the csrapproving controller uses authorization checks to determine whether to approve certificate signing requests: ([#45619](https://github.com/kubernetes/kubernetes/pull/45619), [@mikedanese](https://github.com/mikedanese))

    * Before upgrading, users must ensure their controller manager will enable the csrapproving controller, create...

* Upgrade cAdvisor library to v0.25.0. Notable changes include,
  - Container filesystem usage tracking disabled for device mapper due to excessive
    IOPS.
  - Ignore `.mount` cgroups, fixing disappearing stats.
* A new field `terminationMessagePolicy` has been added to containers that allows
  a user to request FallbackToLogsOnError, which will read from the container's

		Bucket             string
		KeyMarker          string
		UploadIDMarker     string `xml:"UploadIdMarker"`
		NextKeyMarker      string
		NextUploadIDMarker string `xml:"NextUploadIdMarker"`
		EncodingType       string
		MaxUploads         int
		IsTruncated        bool
		// All the in progress multipart uploads.
		Uploads []struct {
			Key          string
			UploadID     string `xml:"UploadId"`

- The client label for apiserver_request_count and apiserver_request_total now no-opts and merely records an empty string. ([#87673](https://github.com/kubernetes/kubernetes/pull/87673), [@logicalhan](https://github.com/logicalhan)) [SIG API Machinery, Instrumentation and Scalability]


<!-- NEW RELEASE NOTES ENTRY -->


# v1.15.9

                to the location where the OpenAPI document is being served. Variable
                substitutions will be made when a variable is named in `{`brackets`}`.
                * `description`: An optional string describing the host designated by
                the URL. [CommonMark syntax](https://commonmark.org/) MAY be used for
                rich text representation.