Pantheon release notes

Drupal 8.9.7 is now available on the Pantheon platform. Detailed information on applying and debugging core updates can be found in the Core Updates documentation. For more information, see the Drupal 8.9.7 release notes.

New: Autopilot - Automatically detect and apply new updates for your site’s core CMS, plugins, and themes in minutes with confidence.

New: Decoupled Sites - Our decoupled CMS approach empowers teams to accelerate collaboration and deliver results by uniting front and back-end developers on a single platform.

New: Inclusive Language Guide

WordPress 5.5.1 has been released on the Pantheon platform. WordPress 5.5.1 is a maintenance release with multiple bug fixes and enhancements, including fixes for changes introduced in WordPress 5.5. See the release notes for the full list of bug fixes and enhancements added in 5.5.1.

Updated to PHP 7.3.22 and 7.4.10 platform-wide. For information on upgrading between major PHP versions see Upgrade PHP Versions.

Drupal 9 is available for early access testing with new or existing sites. Now we’ve made that even easier, with a new Terminus Drupal 9 Multidev script.

Note: Drupal 9 is not yet ready for production use on Pantheon.

Drupal 8.9.6 is now available on the Pantheon platform. This release fixes security vulnerabilities, and sites are urged to upgrade immediately. Detailed information on applying and debugging core updates can be found in the Core Updates documentation. For more information, see the Drupal 8.9.6 release notes.

Drupal 8.8.10 is now available on the Pantheon platform. This release fixes security vulnerabilities, and sites are urged to upgrade immediately. Detailed information on applying and debugging core updates can be found in the Core Updates documentation. For more information, see the Drupal 8.8.10 release notes.

Drupal 7.73 is now available on the Pantheon platform. This release fixes security vulnerabilities, and sites are urged to upgrade immediately. Detailed information on applying and debugging core updates can be found in the Core Updates documentation. For more information, see the Drupal 7.73 release notes.