OSDOCS-12713 Release note for changing cvo log level TP

Author: cbippley

Diff for: release_notes/ocp-4-19-release-notes.adoc

@@ -424,6 +424,13 @@ Starting in {product-title} 4.14, Extended Update Support (EUS) is extended to t
 [id="ocp-release-notes-installation-and-update_{context}"]
 === Installation and update
 
+[id="ocp-4-19-install-update-cvo-log-levels_{context}"]
+==== Changing the CVO log level (Technology Preview)
+
+With this release, the Cluster Version Operator (CVO) log level verbosity can be changed by the cluster administrator.
+
+For more information, see xref:..updating/troubleshooting_updates/gathering-data-cluster-update.adoc#changing-log-data_troubleshooting_updates[Changing the CVO log level].
+
 [id="ocp-release-notes-machine-config-operator_{context}"]
 === Machine Config Operator