Pantheon Changelog

March 2022 Changelog

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Platform Improvements

Drupal 9.3.6

Drupal 9.3.6 is available for production sites and includes backwards-compatible improvements. Drupal 9.3 was released in December 2021. From Drupal 9.3, PHP version 8.0 or higher is recommended; PHP 7.3 and higher remains supported. 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.

Drupal 9.2.13

Drupal 9.2.13 is available and includes backwards-compatible improvements. This is a minor version (feature release) of Drupal 9 and is available for use on production sites.

WordPress 5.9.1

WordPress 5.9.1 is a maintenance release that is currently available on the Pantheon platform. This maintenance release features 82 bug fixes on both Core and the Block editor. Detailed information on applying and debugging core updates can be found in the Core Updates documentation.

Documentation

Convert an Empty Upstream Drupal Site to a Composer Managed Site - Convert an empty upstream Drupal 8 site to use Composer to manage deployments and dependencies. You can then switch from empty to the new Integrated Composer drupal-recommended upstream while remaining on Drupal 8. To convert, ensure your site has the Pantheon empty repository in its upstream. For more information, refer to our documentation.

Managing Drush Versions on Pantheon - Pantheon currently supports Drush versions 8, 10, and 11. For sites that are managed by Composer, a site-local installation of Drush is recommended. To learn about Pantheon's default Drush version, compatibility, requirements, and how to implement site-local usage, refer to our documentation.