flag PersistentVolumeLastPhaseTransitionTime field as beta

Kubernetes-commit: 4a0a7e809237e74afd4ea1499520063f96158e1e

core/v1/types.go

@@ -423,7 +423,7 @@ type PersistentVolumeStatus struct {
 	Reason string `json:"reason,omitempty" protobuf:"bytes,3,opt,name=reason"`
 	// lastPhaseTransitionTime is the time the phase transitioned from one to another
 	// and automatically resets to current time everytime a volume phase transitions.
-	// This is an alpha field and requires enabling PersistentVolumeLastPhaseTransitionTime feature.
+	// This is a beta field and requires the PersistentVolumeLastPhaseTransitionTime feature to be enabled (enabled by default).
 	// +featureGate=PersistentVolumeLastPhaseTransitionTime
 	// +optional
 	LastPhaseTransitionTime *metav1.Time `json:"lastPhaseTransitionTime,omitempty" protobuf:"bytes,4,opt,name=lastPhaseTransitionTime"`

core/v1/types_swagger_doc_generated.go

@@ -1478,7 +1478,7 @@ var map_PersistentVolumeStatus = map[string]string{
 	"phase":                   "phase indicates if a volume is available, bound to a claim, or released by a claim. More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#phase",
 	"message":                 "message is a human-readable message indicating details about why the volume is in this state.",
 	"reason":                  "reason is a brief CamelCase string that describes any failure and is meant for machine parsing and tidy display in the CLI.",
-	"lastPhaseTransitionTime": "lastPhaseTransitionTime is the time the phase transitioned from one to another and automatically resets to current time everytime a volume phase transitions. This is an alpha field and requires enabling PersistentVolumeLastPhaseTransitionTime feature.",
+	"lastPhaseTransitionTime": "lastPhaseTransitionTime is the time the phase transitioned from one to another and automatically resets to current time everytime a volume phase transitions. This is a beta field and requires the PersistentVolumeLastPhaseTransitionTime feature to be enabled (enabled by default).",
 }
 
 func (PersistentVolumeStatus) SwaggerDoc() map[string]string {