diff --git a/docs/user/whats-new.asciidoc b/docs/user/whats-new.asciidoc
index ab72bac9c4285..074b11bea03bf 100644
--- a/docs/user/whats-new.asciidoc
+++ b/docs/user/whats-new.asciidoc
@@ -11,12 +11,21 @@ Previous versions: {kibana-ref-all}/8.3/whats-new.html[8.3] | {kibana-ref-all}/8
 //Installation and Upgrade Guide
 
 // tag::notable-highlights[]
+
 coming::[8.4.0]
 
 [discrete]
 [[highlights-8.4-alerting]]
 === Enhancements to Alerting
 
+[discrete]
+==== {webhook-cm} connector
+
+The new {kibana-ref}/cases-webhook-action-type.html[{webhook-cm} connector and action]
+enable you to send POST, PUT, and GET requests to a case management RESTful API
+web service. You can use this connector with cases in {observability},
+{stack-manage-app}, and the {security-app}.
+
 [discrete]
 ==== Add schedules for snoozing rule notifications
 
@@ -27,7 +36,6 @@ downtimes to start and end at specific dates and times.
 [role="screenshot"]
 image::images/highlights-snooze-schedule.png[Snooze notifications for a rule in {stack-manage-app} > {rules-ui} ]
 
-
 [discrete]
 ==== New metrics for rules and actions