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Pantheon release notes

Your destination for staying informed about our latest innovations and product updates.
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May 1, 2021

WordPress 5.7.1 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 WordPress 5.7.1 release notes.

May 1, 2021

Drupal 9.1.7 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 Integrated Composer One-Click Updates documentation. For more information, see the Drupal 9.1.7 release notes.

May 1, 2021

Drupal 8.9.14 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 8.9.14 release notes.

May 1, 2021

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.

April 1, 2021

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

April 1, 2021

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.