add changelog and improve overview

Author: xynicole

content/nginxaas-google/changelog.md

@@ -12,6 +12,12 @@ Learn about the latest updates, new features, and resolved bugs in F5 NGINXaaS f
 
 To see a list of currently active issues, visit the [Known issues]({{< ref "/nginxaas-google/known-issues.md" >}}) page.
 
+## January 15, 2026
+- {{% icon-change %}} **Required configuration no longer needed for deployments**
+
+The previously required configuration is no longer necessary for your deployments.
+
+
 ## December 29, 2025
 
 - {{% icon-feature %}} **NGINXaaS for Google is now generally available in more regions**

content/nginxaas-google/getting-started/nginx-configuration/overview.md

@@ -12,11 +12,11 @@ F5 NGINXaaS for Google Cloud deployment, restrictions, and available directives.
 
 ## NGINX configuration common user workflows
 
-NGINX configurations can be uploaded to your NGINXaaS for Google Cloud deployment using the console. The following documents provide detailed steps on how to upload NGINX configurations:
+You can upload NGINX configurations to your NGINXaaS for Google Cloud deployment using the Google Cloud console:
 
 - [Upload using the console]({{< ref "/nginxaas-google/getting-started/nginx-configuration/nginx-configuration-console.md" >}})
 
-The topics below provide information on NGINX configuration restrictions and directives that are supported by NGINXaaS for Google Cloud when using any of the above workflows.
+The topics below explain NGINX configuration restrictions and which directives are supported, unsupported, or cannot be overridden.
 
 ## NGINX filesystem restrictions