- `CSINodeExpandSecret` feature has been promoted to `GA` in this release and is enabled
  by default. The CSI drivers can make use of the `secretRef` values passed in `NodeExpansion`
  request optionally sent by the CSI Client from this release onwards. ([#121303](https://github.com/kubernetes/kubernetes/pull/121303), [@humblec](https://github.com/humblec))

- Fixed an issue with missing `apiVersion/kind` in object data sent to admission webhooks ([#74448](https://github.com/kubernetes/kubernetes/pull/74448), [@liggitt](https://github.com/liggitt))

- Fixed a kubelet issue that could result in invalid pod status updates to be sent to the api-server where pods would be reported in a terminal phase but also report a ready condition of true in some cases. ([#110481](https://github.com/kubernetes/kubernetes/pull/110481), [@bobbypage](https://github.com/bobbypage)) [SIG Node and...

### Promoted SeccompDefault to Beta

* On GCE, the apiserver audit log (`/var/log/kube-apiserver-audit.log`) will be sent through fluentd if enabled. It will go to the same place as `kube-apiserver.log`, but tagged as its own stream. ([#41360](https://github.com/kubernetes/kubernetes/pull/41360), [@enisoc](https://github.com/enisoc))

			mustGetPutObjReader(t, strings.NewReader(part.inputReaderData), part.inputDataSize, part.inputMd5, ""), opts)
		if err != nil {
			t.Fatalf("%s : %s", instanceType, err)
		}
	}
	// Parts to be sent as input for CompleteMultipartUpload.
	inputParts := []struct {
		parts []CompletePart
	}{
		// inputParts - 0.
		// Case for replicating ETag mismatch.
		{
			[]CompletePart{

### Feature

- A new client side metric `rest_client_request_retries_total` has been added that tracks the number of retries sent to the server, partitioned by status code, verb and host ([#108396](https://github.com/kubernetes/kubernetes/pull/108396), [@tkashem](https://github.com/tkashem))

* fix apps DeploymentSpec conversion issue ([#49719](https://github.com/kubernetes/kubernetes/pull/49719), [@dixudx](https://github.com/dixudx))
* fluentd-gcp addon: Fix a bug in the event-exporter, when repeated events were not sent to Stackdriver. ([#50511](https://github.com/kubernetes/kubernetes/pull/50511), [@crassirostris](https://github.com/crassirostris))

- Kube-proxy: Traffic from the cluster directed to ExternalIPs is always sent directly to the Service. ([#96296](https://github.com/kubernetes/kubernetes/pull/96296), [@aojea](https://github.com/aojea)) [SIG Network and Testing]

- AdmissionReview objects sent for the creation of Namespace API objects now populate the `namespace` attribute consistently (previously the `namespace` attribute was empty for Namespace creation via POST requests, and populated for Namespace creation via server-side-apply PATCH...