D11 release note first draft

source/releasenotes/2024-10-03-drupal-11-site-creation.md

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+---
+title: "Drupal 11 site creation from the site dashboard now available"
+published_date: "2024-10-03"
+categories: [user-interface, drupal]
+---
+Drupal 11 is now available as an option when creating a new Drupal site on Pantheon. Previously, in order to create a new Drupal 11 site you had to first create a Drupal 10 site and then manually upgrade to Drupal 11 via Composer.
+
+![Drupal site creation from the Pantheon dashboard](../images/create-new-site-cms-drupal-11.png)
+
+See [related documentation](/add-site-dashboard) for how to create new CMS sites on Pantheon.