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Pantheon release notes

Your destination for staying informed about our latest innovations and product updates.
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September 1, 2020

WordPress 5.5 has been released on the Pantheon platform. This version of WordPress introduces a new method, wp_get_environment_type(), which returns whether your site is running on a live, test or development environment. Pantheon supports this method, so it will return the correct value on any site that has upgraded to WordPress 5.5.

September 1, 2020

Drupal 9 is available for early access testing with new or existing sites. We don't recommend fully switching a live site to Drupal 9 until we have upgraded our version of MariaDB.

September 1, 2020

Drupal 8.9.3 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 8.9.3 release notes.

August 1, 2020

Drupal 9 is available for early access testing with new or existing sites. We don't recommend fully switching a live site to Drupal 9 until we have upgraded our version of MariaDB.

August 1, 2020

Drupal 8.9.2 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 8.9.2 release notes.

August 1, 2020

All Pantheon customers are now provisioned with a dedicated certificate for HTTPS for each custom domain on a site environment. In addition, the go-live experience has been optimized and now lets you configure HTTPS before launch via the DNS TXT method to verify domain ownership.

July 1, 2020

WordPress 5.4.2 is now available on the Pantheon platform. As part of this release, Pantheon also rolled out a configuration change to block xmlrpc by default. If your site uses xmlrpc, re-enable it before deploying this release to production.