NLB-6321: R33 release announcement (#440)

NLB-6321: R33 release announcement

Author: xynicole

content/nginxaas-azure/changelog.md

@@ -14,6 +14,14 @@ To see a list of currently active issues, visit the [Known issues]({{< ref "/ngi
 To review older entries, visit the [Changelog archive]({{< ref "/nginxaas-azure/changelog-archive" >}}) section.
 
 
+## May 22, 2025
+
+- {{% icon-feature %}} **NGINXaaS is now running NGINX Plus Release 33 (R33) in the Stable Upgrade Channel**
+
+  NGINXaaS for Azure deployments using the **Stable** [Upgrade Channel]({{< ref "/nginxaas-azure/quickstart/upgrade-channels.md" >}}) have now been automatically upgraded to  [NGINX Plus Release 33 (R33)]({{< ref "/nginx/releases.md#nginxplusrelease-33-r33" >}}). This upgrade also includes updates to the following NGINX Plus modules:
+  - nginx-plus-module-njs
+   For a complete list of allowed directives, see the [Configuration Directives List]({{< ref "/nginxaas-azure/getting-started/nginx-configuration/overview/#configuration-directives-list" >}}).
+
 ## May 20, 2025
 
 - {{% icon-feature %}} **Azure Monitor Platform Metrics**