key := matchExpression.Key
			if i, ok := labelKeysMap[key]; ok && labelSelectorKeys.Has(key) {
				// Before validateLabelKeysWithSelector is called, the labelSelector has already got the selector created from matchLabelKeys.
				// Here, we found the duplicate key in labelSelector and the key is specified in labelKeys.

message NodeCondition {
  // Type of node condition.
  optional string type = 1;

  // Status of the condition, one of True, False, Unknown.
  optional string status = 2;

  // Last time we got an update on a given condition.
  // +optional
  optional .k8s.io.apimachinery.pkg.apis.meta.v1.Time lastHeartbeatTime = 3;

  // Last time the condition transit from one status to another.
  // +optional

* not allowing "kubectl edit <resource>" when you got an empty list ([#50205](https://github.com/kubernetes/kubernetes/pull/50205), [@dixudx](https://github.com/dixudx))

* Fix a potential bug that scheduler preempts unnecessary pods. ([#70898](https://github.com/kubernetes/kubernetes/pull/70898), [@Huang-Wei](https://github.com/Huang-Wei))

Users of FlexVolume should move their workloads to CSI driver.

### Deprecation of klog specific flags

To simplify the code base, several [logging flags got marked as deprecated](https://kubernetes.io/docs/concepts/cluster-administration/system-logs/#klog) in Kubernetes 1.23.