Pantheon release notes

Drupal 9.3.21 is available and includes backwards-compatible improvements. This is a patch version of Drupal 9.3 and is available for use on production sites. 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 9.3 will receive security coverage until December 8, 2022 when Drupal 9.5.0 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.

Autopilot Pre-Configuration Checklist - There are a few things you should know before you enable Autopilot. Use this guide to ensure your current site configuration is compatible with Autopilot. For more information on Autopilot, refer to the documentation.

Pantheon Decoupled - Pantheon Decoupled is available for Early Access participants. Pantheon Decoupled provides users with tools that improve the experience of building a decoupled front-end that sources data from a CMS back-end. With decoupled sites a CMS site can be linked to a single decoupled site or multiples sites, or the user does not need a CMS at all and can link directly to a front end application! Please check out how we can help you transition to a decoupled experience on the Pantheon platform.

Pantheon Global CDN - A guide for Pantheon's Global CDN is now available. Global CDN is a core platform offering that provides improved performance and security for customer sites. It supports caching to accelerate both static content and anonymous site pages. By serving data from cache servers all over the world, website visitors receive a response without having to wait.

Multidev Guide - Multidevs are development environments for teams. A Multidev environment allows a developer to fork the entire stack (code and content), work independently, and then merge the code changes back into the main site. Refer to this guide for detailed information using Pantheon's Multidev environment for your Drupal or WordPress site.

WordPress 6.0.1 is currently available on the Pantheon platform. This maintenance release features 13 bug fixes in Core and 18 bug fixes for the Block Editor.

The next major release will be version 6.1 which is planned for later in 2022.

Drupal 9.4.1 is available for production sites. This is a patch (bugfix) release of Drupal 9 and is ready for use on production sites.

Drupal 9.3.17 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 9.3.x will receive security coverage until December 8, 2022 when Drupal 9.5.0 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.

Drupal 9.2.20 is available and includes backwards-compatible improvements. This is a minor version of Drupal 9 and is available for use on production sites.

Autopilot for Custom Upstreams - Combining Autopilot with Custom Upstreams is an excellent way to reduce the time spent on maintaining multiple sites. Pantheon allows eligible customers to use Autopilot and Custom Upstreams to automate routine maintenance for upstream and downstream sites.

Fastly on Pantheon - Pantheon offers extensive content delivery network (CDN) features through our Global CDN and Advanced Global CDN. Pantheon also partners with Fastly if you prefer to use a CDN outside of the Pantheon platform. Using Fastly can be a good option if you are looking for log or media storage integration solutions.

Git on Pantheon Guide - A new guide on using Git on the Pantheon platform is now available. Pantheon provides industry standard version control with Git. Pantheon uses Git to make sure all code is stored, versioned, and deployed both safely and predictably.

WordPress REST API - The WordPress Edge Integrations plugin provides REST API endpoints for all of the major functions and output available via server-side PHP code. A full list and descriptions of all endpoints exists in the WordPress Edge Integrations SDK documentation. To learn more about the WordPress SDK, refer to the documentation.

WordPress 6.0 is the latest major release of WordPress and is currently available on the Pantheon platform. This release features nearly a thousand enhancements and bug fixes.

If you’ve updated the previously released Twenty Twenty-two theme outside of Pantheon's WordPress upstream, updating to WordPress 6.0 will result in an error, due to the removal of the wp-content/themes/twentytwentytwo/assets/fonts/LICENSE.md file. To resolve this error delete this file, commit, and push your change, then reapply the update. Detailed information on applying and debugging core updates can be found in the Core Updates documentation.