Merge pull request #43441 from cici37/2876-1.29

[KEP-2876] Document (GA) CEL validation for custom resources

content/en/docs/reference/command-line-tools-reference/feature-gates.md

@@ -90,8 +90,6 @@ For a reference to old feature gates that are removed, please refer to
 | `CronJobsScheduledAnnotation` | `true` | Beta | 1.28 | |
 | `CrossNamespaceVolumeDataSource` | `false` | Alpha| 1.26 | |
 | `CustomCPUCFSQuotaPeriod` | `false` | Alpha | 1.12 | |
-| `CustomResourceValidationExpressions` | `false` | Alpha | 1.23 | 1.24 |
-| `CustomResourceValidationExpressions` | `true` | Beta | 1.25 | |
 | `DevicePluginCDIDevices` | `false` | Alpha | 1.28 | |
 | `DisableCloudProviders` | `false` | Alpha | 1.22 | |
 | `DisableKubeletCloudCredentialProviders` | `false` | Alpha | 1.23 | |
@@ -250,6 +248,9 @@ For a reference to old feature gates that are removed, please refer to
 | `ComponentSLIs` | `true` | Beta | 1.27 | 1.28|
 | `ComponentSLIs` | `true` | GA | 1.29 | - |
 | `ConsistentHTTPGetHandlers` | `true` | GA | 1.25 | - |
+| `CustomResourceValidationExpressions` | `false` | Alpha | 1.23 | 1.24 |
+| `CustomResourceValidationExpressions` | `true`  | Beta  | 1.25 | 1.28 |
+| `CustomResourceValidationExpressions` | `true`  | GA | 1.29 | - |
 | `DaemonSetUpdateSurge` | `false` | Alpha | 1.21 | 1.21 |
 | `DaemonSetUpdateSurge` | `true` | Beta | 1.22 | 1.24 |
 | `DaemonSetUpdateSurge` | `true` | GA | 1.25 | |

content/en/docs/tasks/extend-kubernetes/custom-resources/custom-resource-definitions.md

@@ -771,15 +771,7 @@ validations are not supported by ratcheting under the implementation in Kubernet
 
 ### Validation rules
 
-{{< feature-state state="beta" for_k8s_version="v1.25" >}}
-
-
-Validation rules are in beta since 1.25 and the `CustomResourceValidationExpressions`
-[feature gate](/docs/reference/command-line-tools-reference/feature-gates/) is enabled by default to
-validate custom resource based on _validation rules_. You can disable this feature by explicitly
-setting the `CustomResourceValidationExpressions` feature gate to `false`, for the
-[kube-apiserver](/docs/reference/command-line-tools-reference/kube-apiserver/) component. This
-feature is only available if the schema is a [structural schema](#specifying-a-structural-schema).
+{{< feature-state state="stable" for_k8s_version="v1.29" >}}
 
 Validation rules use the [Common Expression Language (CEL)](https://github.com/google/cel-spec)
 to validate custom resource values. Validation rules are included in