August 1, 2022
Drupal 9.4.5 is available for production sites. This is a patch (bugfix) release of Drupal 9.4 and is ready for use on production sites. Drupal 9.4 was released in June 2022. Drupal 9.4 will receive security coverage until June 21, 2023 when Drupal 9.6.0 is released.
Drupal 9 sites on Pantheon use Integrated Composer, enabling one-click core updates through the Dashboard. To check for available updates, click Check Now from the site Dashboard Dev tab.