update CloudDualStackNodeIPs to beta

content/en/docs/concepts/services-networking/dual-stack.md

@@ -65,12 +65,11 @@ To configure IPv4/IPv6 dual-stack, set dual-stack cluster network assignments:
 * kube-proxy:
   * `--cluster-cidr=<IPv4 CIDR>,<IPv6 CIDR>`
 * kubelet:
-  * when there is no `--cloud-provider` the administrator can pass a comma-separated pair of IP
-    addresses via `--node-ip` to manually configure dual-stack `.status.addresses` for that Node.
-    If a Pod runs on that node in HostNetwork mode, the Pod reports these IP addresses in its
-    `.status.podIPs` field.
-    All `podIPs` in a node match the IP family preference defined by the `.status.addresses`
-    field for that Node.
+  * `--node-ip=<IPv4 IP>,<IPv6 IP>`
+    * This is required for "bare metal" dual-stack nodes (i.e., nodes with no
+      `--cloud-provider`). If you are using a cloud provider, you only need to pass an
+      explicit `--node-ip` if you want to override the node IPs chosen by the cloud provider.
+    * (The legacy built-in cloud providers do not support dual-stack `--node-ip`.)
 
 {{< note >}}
 An example of an IPv4 CIDR: `10.244.0.0/16` (though you would supply your own address range)
@@ -79,13 +78,6 @@ An example of an IPv6 CIDR: `fdXY:IJKL:MNOP:15::/64` (this shows the format but
 address - see [RFC 4193](https://tools.ietf.org/html/rfc4193))
 {{< /note >}}
 
-{{< feature-state for_k8s_version="v1.27" state="alpha" >}}
-
-When using an external cloud provider, you can pass a dual-stack `--node-ip` value to
-kubelet if you enable the `CloudDualStackNodeIPs` feature gate in both kubelet and the
-external cloud provider. This is only supported for cloud providers that support dual
-stack clusters.
-
 ## Services
 
 You can create {{< glossary_tooltip text="Services" term_id="service" >}} which can use IPv4, IPv6, or both.

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

@@ -83,7 +83,8 @@ For a reference to old feature gates that are removed, please refer to
 | `CSINodeExpandSecret` | `true` | Beta | 1.27 | |
 | `CSIVolumeHealth` | `false` | Alpha | 1.21 | |
 | `CloudControllerManagerWebhook` | false | Alpha | 1.27 | |
-| `CloudDualStackNodeIPs` | false | Alpha | 1.27 | |
+| `CloudDualStackNodeIPs` | false | Alpha | 1.27 | 1.28 |
+| `CloudDualStackNodeIPs` | true | Beta | 1.29 | |
 | `ClusterTrustBundle` | false | Alpha | 1.27 | |
 | `ComponentSLIs` | `false` | Alpha | 1.26 | 1.26 |
 | `ComponentSLIs` | `true` | Beta | 1.27 | |