OSDOCS-17535-4.18: Add VCF 9 support

Author: sslocket

release_notes/ocp-4-18-release-notes.adoc

@@ -745,6 +745,20 @@ With this release, the Agent-based Installer supports creating assets that can b
 
 For more information, see xref:../installing/installing_with_agent_based_installer/installing-using-iscsi.adoc#installing-using-iscsi[Preparing installation assets for iSCSI booting].
 
+[id="ocp-release-notes-vcf-9-support_{context}"]
+==== Support for {vmw-full} Foundation 9 and VMware Cloud Foundation 9
+
+You can now install {product-title} on {vmw-full} Foundation (VVF) 9 and VMware Cloud Foundation (VCF) 9.
+
+[NOTE]
+====
+The following additional VCF and VVF components are outside the scope of Red Hat support:
+
+* Management: VCF Operations, VCF Automation, VCF Fleet Management, and VCF Identity Broker.
+* Networking: VMware NSX Container Plugin (NCP).
+* Migration: VMware HCX.
+====
+
 [id="ocp-release-notes-machine-config-operator_{context}"]
 === Machine Config Operator