Pantheon release notes

Drupal 7.80 is now available on the Pantheon platform. This release fixes security vulnerabilities, and users are urged to upgrade their sites immediately. Detailed information on applying and debugging core updates can be found in the Core Updates documentation documentation. For more information, see the Drupal 7.80 release notes.

Upgrade from Drupal 8 to Drupal 9 with Integrated Composer - Convert a Drupal 8 site to a Drupal 9 site managed with Integrated Composer. If you have more questions about switching to Drupal 9, stop by our Thursday office hours.

WordPress 5.7 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 WordPress 5.7 release notes.

Drupal 9 Migration Guide - Guided and manual migration steps to upgrade and migrate existing Drupal sites to Drupal 9 with Integrated Composer.

Convert your Pantheon-hosted Drupal 8 sites to Drupal 9 with Integrated Composer, using the Drupal 8 to 9 Conversion Guide. Integrated Composer helps keep your Drupal 9 repository lean, avoid build artifacts on the main branch, and keep the one-click updates for both upstream commits & Composer dependencies that you have come to know and love with Pantheon.

WordPress 5.6.1 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 WordPress 5.6.1 release notes.

Create and launch Drupal 9 sites on Pantheon with Integrated Composer. Keep your Drupal 9 repository lean, avoid build artifacts on the main branch, and keep the one-click updates for both upstream commits & Composer dependencies that you have come to know and love with Pantheon.

The New Pantheon Dashboard - A guide for the New Pantheon Dashboard introduces the Workspaces experience and new features like Autopilot.