Pantheon release notes

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.

Localdev 1.0.1 improvements include updates to Lando, Composer, and Docker Desktop versions. Download Localdev today, and get the best of developing locally with the ability to perform critical development tasks, including editing files and code, and pushing changes to Pantheon right from your desktop.

You can now create and launch Drupal 9 sites on Pantheon, now in Limited Availability. Composer is completely integrated so you can keep your sites up-to-date with one click. For more information, see the Drupal 9 documentation.