NLB-7200: Notification on R36 Release (#1591)

* NLB-7200: Notification on R36 Release

* NLB-7200: Address PR Comments

Author: kafeelhasan

content/nginxaas-azure/changelog/changelog.md

@@ -16,6 +16,14 @@ To review older entries, visit the [Changelog archive]({{< ref "/nginxaas-azure/
 
 ## December 16, 2025
 
+- {{% icon-feature %}} **Notification on update to deployments using the Stable Upgrade Channel**
+
+   NGINXaaS for Azure deployments using the **Stable** [Upgrade Channel]({{< ref "/nginxaas-azure/quickstart/upgrade-channels.md" >}}) will be updated to [NGINX Plus Release 36 (R36)]({{< ref "/nginx/releases.md#nginxplusrelease-36-r36" >}}) during the week of Jan 05-09, 2026. This will also include updates to the following NGINX Plus modules:
+  - nginx-plus-module-njs
+
+   Please review the [NGINX Plus Release 36 (R36)]({{< ref "/nginx/releases.md#nginxplusrelease-36-r36" >}}) Release Notes carefully. If you have any concerns, it's recommended to validate your configuration against NGINX Plus R36 by setting up a test deployment using the **Preview** [Upgrade Channel]({{< ref "/nginxaas-azure/quickstart/upgrade-channels.md" >}}). See [these instructions]({{< ref "/nginxaas-azure/quickstart/recreate.md" >}}) on how to set up a deployment similar to your current one.
+
+   If you have any other questions or concerns, please [contact us]({{< ref "/nginxaas-azure/get-help.md" >}}).
 - {{% icon-feature %}} **NGINXaaS for Azure is now generally available in more regions**
 
   NGINXaaS for Azure is now available in the following additional regions: