diff --git a/pkg/features/kube_features.go b/pkg/features/kube_features.go
index a36ef8c5cbe..3b629795b13 100644
--- a/pkg/features/kube_features.go
+++ b/pkg/features/kube_features.go
@@ -890,17 +890,17 @@ var defaultKubernetesFeatureGates = map[featuregate.Feature]featuregate.FeatureS
 
 	// inherited features from generic apiserver, relisted here to get a conflict if it is changed
 	// unintentionally on either side:
-	genericfeatures.StreamingProxyRedirects: {Default: false, PreRelease: featuregate.Deprecated}, // remove in 1.24
-	genericfeatures.ValidateProxyRedirects:  {Default: true, PreRelease: featuregate.Deprecated},
-	genericfeatures.AdvancedAuditing:        {Default: true, PreRelease: featuregate.GA},
-	genericfeatures.APIResponseCompression:  {Default: true, PreRelease: featuregate.Beta},
-	genericfeatures.APIListChunking:         {Default: true, PreRelease: featuregate.Beta},
-	genericfeatures.DryRun:                  {Default: true, PreRelease: featuregate.GA},
-	genericfeatures.ServerSideApply:         {Default: true, PreRelease: featuregate.GA},
-	genericfeatures.APIPriorityAndFairness:  {Default: true, PreRelease: featuregate.Beta},
-	genericfeatures.WarningHeaders:          {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.24
-	genericfeatures.OpenAPIEnums:            {Default: false, PreRelease: featuregate.Alpha},
-
+	genericfeatures.StreamingProxyRedirects:             {Default: false, PreRelease: featuregate.Deprecated}, // remove in 1.24
+	genericfeatures.ValidateProxyRedirects:              {Default: true, PreRelease: featuregate.Deprecated},
+	genericfeatures.AdvancedAuditing:                    {Default: true, PreRelease: featuregate.GA},
+	genericfeatures.APIResponseCompression:              {Default: true, PreRelease: featuregate.Beta},
+	genericfeatures.APIListChunking:                     {Default: true, PreRelease: featuregate.Beta},
+	genericfeatures.DryRun:                              {Default: true, PreRelease: featuregate.GA},
+	genericfeatures.ServerSideApply:                     {Default: true, PreRelease: featuregate.GA},
+	genericfeatures.APIPriorityAndFairness:              {Default: true, PreRelease: featuregate.Beta},
+	genericfeatures.WarningHeaders:                      {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.24
+	genericfeatures.OpenAPIEnums:                        {Default: false, PreRelease: featuregate.Alpha},
+	genericfeatures.CustomResourceValidationExpressions: {Default: false, PreRelease: featuregate.Alpha},
 	// features that enable backwards compatibility but are scheduled to be removed
 	// ...
 	HPAScaleToZero: {Default: false, PreRelease: featuregate.Alpha},
diff --git a/staging/src/k8s.io/apiserver/pkg/features/kube_features.go b/staging/src/k8s.io/apiserver/pkg/features/kube_features.go
index 3ecb60d4013..d0da61e57b9 100644
--- a/staging/src/k8s.io/apiserver/pkg/features/kube_features.go
+++ b/staging/src/k8s.io/apiserver/pkg/features/kube_features.go
@@ -178,6 +178,13 @@ const (
 	// Enables populating "enum" field of OpenAPI schemas
 	// in the spec returned from kube-apiserver.
 	OpenAPIEnums featuregate.Feature = "OpenAPIEnums"
+
+	// owner: @cici37
+	// kep: http://kep.k8s.io/2876
+	// alpha: v1.23
+	//
+	// Enables expression validation for Custom Resource
+	CustomResourceValidationExpressions featuregate.Feature = "CustomResourceValidationExpressions"
 )
 
 func init() {
@@ -188,23 +195,24 @@ func init() {
 // To add a new feature, define a key for it above and add it here. The features will be
 // available throughout Kubernetes binaries.
 var defaultKubernetesFeatureGates = map[featuregate.Feature]featuregate.FeatureSpec{
-	StreamingProxyRedirects:  {Default: false, PreRelease: featuregate.Deprecated},
-	ValidateProxyRedirects:   {Default: true, PreRelease: featuregate.Deprecated},
-	AdvancedAuditing:         {Default: true, PreRelease: featuregate.GA},
-	APIResponseCompression:   {Default: true, PreRelease: featuregate.Beta},
-	APIListChunking:          {Default: true, PreRelease: featuregate.Beta},
-	DryRun:                   {Default: true, PreRelease: featuregate.GA},
-	RemainingItemCount:       {Default: true, PreRelease: featuregate.Beta},
-	ServerSideApply:          {Default: true, PreRelease: featuregate.GA},
-	StorageVersionHash:       {Default: true, PreRelease: featuregate.Beta},
-	StorageVersionAPI:        {Default: false, PreRelease: featuregate.Alpha},
-	WatchBookmark:            {Default: true, PreRelease: featuregate.GA, LockToDefault: true},
-	APIPriorityAndFairness:   {Default: true, PreRelease: featuregate.Beta},
-	RemoveSelfLink:           {Default: true, PreRelease: featuregate.Beta},
-	SelectorIndex:            {Default: true, PreRelease: featuregate.GA, LockToDefault: true},
-	WarningHeaders:           {Default: true, PreRelease: featuregate.GA, LockToDefault: true},
-	EfficientWatchResumption: {Default: true, PreRelease: featuregate.Beta},
-	APIServerIdentity:        {Default: false, PreRelease: featuregate.Alpha},
-	APIServerTracing:         {Default: false, PreRelease: featuregate.Alpha},
-	OpenAPIEnums:             {Default: false, PreRelease: featuregate.Alpha},
+	StreamingProxyRedirects:             {Default: false, PreRelease: featuregate.Deprecated},
+	ValidateProxyRedirects:              {Default: true, PreRelease: featuregate.Deprecated},
+	AdvancedAuditing:                    {Default: true, PreRelease: featuregate.GA},
+	APIResponseCompression:              {Default: true, PreRelease: featuregate.Beta},
+	APIListChunking:                     {Default: true, PreRelease: featuregate.Beta},
+	DryRun:                              {Default: true, PreRelease: featuregate.GA},
+	RemainingItemCount:                  {Default: true, PreRelease: featuregate.Beta},
+	ServerSideApply:                     {Default: true, PreRelease: featuregate.GA},
+	StorageVersionHash:                  {Default: true, PreRelease: featuregate.Beta},
+	StorageVersionAPI:                   {Default: false, PreRelease: featuregate.Alpha},
+	WatchBookmark:                       {Default: true, PreRelease: featuregate.GA, LockToDefault: true},
+	APIPriorityAndFairness:              {Default: true, PreRelease: featuregate.Beta},
+	RemoveSelfLink:                      {Default: true, PreRelease: featuregate.Beta},
+	SelectorIndex:                       {Default: true, PreRelease: featuregate.GA, LockToDefault: true},
+	WarningHeaders:                      {Default: true, PreRelease: featuregate.GA, LockToDefault: true},
+	EfficientWatchResumption:            {Default: true, PreRelease: featuregate.Beta},
+	APIServerIdentity:                   {Default: false, PreRelease: featuregate.Alpha},
+	APIServerTracing:                    {Default: false, PreRelease: featuregate.Alpha},
+	OpenAPIEnums:                        {Default: false, PreRelease: featuregate.Alpha},
+	CustomResourceValidationExpressions: {Default: false, PreRelease: featuregate.Alpha},
 }