OCPBUGS-60065: Add RN for automatic CNS volume deletion.

Author: sslocket

release_notes/ocp-4-19-release-notes.adoc

@@ -1085,13 +1085,11 @@ This release also introduces the following updates to the web console. You can n
 [id="ocp-4-19-notable-technical-changes_{context}"]
 == Notable technical changes
 
-[discrete]
 [id="ocp-4-19-notable-technical-changes-readonlyrootfilesystem_{context}"]
 === Pods deploy with readOnlyRootFilesystem set to true
 
 With this release, Cloud Credential Operator pods now deploy with the `readOnlyRootFilesystem` security context setting set to `true`. This enhances security by ensuring that the container root file system is mounted as read-only.
 
-[discrete]
 [id="ocp-4-19-notable-technical-changes-loopback-cert_{context}"]
 === Extended loopback certificate validity to three years for kube-apiserver
 
@@ -1102,6 +1100,11 @@ Previously, the self-signed loopback certificate for the Kubernetes API Server e
 
 The readiness probes for the API server have been modified to exclude etcd checks. This prevents client connections from being closed if etcd is temporarily unavailable. This means that client connections persist through brief etcd unavailability and minimizes temporary API server outages.
 
+[id="ocp-4-19-notable-technical-changes-remove-cns_{context}"]
+=== Installer automatically removes leftover Cloud Native Storage (CNS) volumes
+
+The OpenShift installation program now automatically detects and removes leftover persistent storage volumes on {vmw-full} when you delete a cluster. This prevents orphaned volumes from consuming disk space and creating unnecessary alerts in vCenter.
+
 [id="ocp-4-19-deprecated-removed-features_{context}"]
 == Deprecated and removed features