have been deprecated and will be removed in a future release.  Callers should switch to using `wait.PollUntilContextCancel`, `wait.PollUntilContextTimeout`, or `wait.ExponentialBackoffWithContext` as appropriate.
  
  `PollWithContext(Cancel|Deadline)` will no longer return `ErrWaitTimeout` - use the `Interrupted(error) bool` helper to replace checks for `err == ErrWaitTimeout`, or compare specifically to context errors as needed. A future release will make the `ErrWaitTimeout` error...

of its command-line flags with an internal flagset, which prevents flags from third party libraries from unintentionally leaking into the Kubelet's command-line API. Many unintentionally leaked flags are now marked deprecated, so that users have a chance to migrate away from them before they are removed. In addition, one previously leaked flag, --cloud-provider-gce-lb-src-cidrs, has been entirely removed from the Kubelet's command-line API, because it is irrelevant to Kubelet operation. The deprecated...

- To reduce chances of throttling, VM cache is set to nil when Azure node provisioning state is deleting ([#87635](https://github.com/kubernetes/kubernetes/pull/87635), [@feiskyer](https://github.com/feiskyer)) [SIG Cloud Provider]

* [stable] Support Attach and Detach operations for ReadWriteOnce (RWO) volumes that use iSCSI and Fibre Channel plugins.

* [stable] Expose storage usage metrics

  * The available capacity of a given Persistent Volume (PV) is available by calling the Kubernetes metrics API.

* [stable] Volume plugin metrics

- Fixes a bug where images pinned by the container runtime can be garbage collected by kubelet. ([#120053](https://github.com/kubernetes/kubernetes/pull/120053), [@ruiwen-zhao](https://github.com/ruiwen-zhao)) [SIG Node]
- Ignore context canceled from validate and mutate webhook ([#120155](https://github.com/kubernetes/kubernetes/pull/120155), [@divyasri537](https://github.com/divyasri537)) [SIG API Machinery]

- The Kubelet's `--really-crash-for-testing` and  `--chaos-chance` options are now marked as deprecated. ([#90499](https://github.com/kubernetes/kubernetes/pull/90499), [@knabben](https://github.com/knabben)) [SIG Node]

### Other (Cleanup or Flake)

- After the deprecation period,now the Kubelet's  `--chaos-chance` flag  are removed. ([#101057](https://github.com/kubernetes/kubernetes/pull/101057), [@wangyysde](https://github.com/wangyysde)) [SIG Node]

- Ignore context canceled from validate and mutate webhook ([#120017](https://github.com/kubernetes/kubernetes/pull/120017), [@divyasri537](https://github.com/divyasri537)) [SIG API Machinery]

- klog has been updated to 0.3.0 ([#76474](https://github.com/kubernetes/kubernetes/pull/76474))
- k8s-dns-node-cache image has been updated to v1.15.1 ([#76640](https://github.com/kubernetes/kubernetes/pull/76640), [@george-angel](https://github.com/george-angel))

### Unchanged

- cloud.google.com/go/beyondcorp: v0.5.0
- cloud.google.com/go/billing: v1.13.0
- cloud.google.com/go/binaryauthorization: v1.5.0
- cloud.google.com/go/certificatemanager: v1.6.0
- cloud.google.com/go/channel: v1.12.0
- cloud.google.com/go/cloudbuild: v1.9.0
- cloud.google.com/go/clouddms: v1.5.0
- cloud.google.com/go/cloudtasks: v1.10.0
- cloud.google.com/go/compute/metadata: v0.2.3
- cloud.google.com/go/compute: v1.19.1