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Pantheon Changelog

February 2023 Changelog

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Platform Updates

Drupal 10.0.3

Drupal 10.0.3 is available for production sites. To learn more about creating a Drupal 10 site on Pantheon or updating a Drupal 9 site to Drupal 10, refer to our documentation.

Drupal 9.5.3

Drupal 9.5.3 is available for production sites and includes backwards-compatible improvements. Drupal 9 sites on Pantheon use Integrated Composer, enabling one-click core updates through the Dashboard.

Drupal 9.4.11

Drupal 9.4.11 is available for production sites and includes backwards-compatible improvements. Drupal 9 sites on Pantheon use Integrated Composer, enabling one-click core updates through the Dashboard.

WordPress 6.1.1

WordPress 6.1.1 is available on the Pantheon platform. This release fixes 29 bug fixes in Core and 21 bug fixes for the block editor and users may update their sites immediately. Detailed information on applying and debugging core updates can be found in the Core Updates documentation.

Feature and Product Release Updates

Enterprise Billing Center

Pantheon’s new Enterprise Billing Center brings accessible and detailed reporting to you via the Pantheon Dashboard. Use the this feature to easily understand your invoices or to see engaging data visualizations that show how individual sites contribute to overall costs. To learn more about Pantheon’s Enterprise Billing Center, refer to our documentation.

Front-End Sites

Pantheon Front-End Sites provide users with tools that improve the experience of building a decoupled site. Front-End Sites expedite the delivery of key functionality for site creation, accelerate time to value for new users, and improve development and editorial experiences. You can build a decoupled site on Pantheon using your own configuration or with one of our trusted development starter kits. To learn more about Front-End Sites, refer to our documentation.


Pantheon will discontinue support for its built-in Localdev feature in June 2023. Check out this blog post to learn more about well-supported local development alternatives or read our documentation to learn more about this feature.

Pantheon Object Cache

Services like Redis greatly accelerate web performance by offloading heavy database and fileservice interactions to a fast in-memory cache. Pantheon Object Cache Update allows customers the ability to adopt Redis server 6.x. This capability is made possible by adopting Pantheon’s modernized infrastructure and cloud operations frameworks. To learn more about Object Cache, refer to our documentation.

Roles and Permissions

Enhancements to the Workspace dashboard allow admins greater visibility and control over user roles, access levels, and privileges. Now, admins can perform periodic audits of users and permissions by Site or Workspace, communicate development work to specific users by Site group, and quickly onboard and offboard users at the Workspace and Site level. To learn more about roles and permissions, refer to our documentation.

WordPress Multisite

Pantheon users with Gold tier accounts (or above) now have the option to create their own WordPress Multisite. To enable the WordPress Multisite option on your account, contact your Customer Success Manager. To learn about WordPress Multisite, refer to our documentation.

Customer Education


Pantheon documentation now has a new location. Go to for information on all Pantheon products and features. The Pantheon docs site is deployed using Front-End Sites, with redirects from behind AGCDN. Ensure you check out our much quicker and improved docs site.

Pantheon Learning

Pantheon Learning is now available. Use Pantheon Learning to learn about the Pantheon platform through self-paced courses and virtual instructor-led training. You can find courses on New Relic, Front-End Sites, Autopilot, and much more in our training hub.