Pantheon Changelog

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September 2022 Changelog

Platform Improvements

Drupal 9.4.5

Drupal 9.4.5 is available for production sites. is available for production sites. This is a patch (bugfix) release of Drupal 9 and is ready for use on production sites.

PHP 8.1

PHP 8.1 is now recommended for Drupal sites version 9.3.0 and higher. An underlying bug with ProxySQL was fixed in version 2.4.3 and PHP 8.1 was updated on the platform to incorporate this fix.

WordPress 6.0.2

WordPress 6.0.2 is currently available on the Pantheon platform. This release features nearly a thousand enhancements and bug fixes. Because this is a security release, it is recommended that you update your sites immediately. The next major release will be version 6.1 which is planned for late 2022.

WordPress Composer Managed Upstream in Early Access

The Pantheon-maintained WordPress Composer Managed upstream is available for Early Access participants. This upstream leverages Bedrock, a WordPress-specific framework for using Composer on WordPress sites. Complete the request form if you are interested in participating in this Early Access offering.

Documentation

Advanced Global CDN - AGCDN is now in General Availability and allows for advanced site management, enhanced security, and custom WAF. You can review the AGCDN case study for a real-life example of an AGCDN implementation.

Create a Composer-managed WordPress Site with Bedrock - WordPress does not natively support Composer, however, Bedrock is a WordPress-specific framework for using Composer on WordPress sites. You can create a site based on the Pantheon-maintained WordPress Composer Managed upstream. Bedrock installs WordPress as a required package so updates can be managed by Composer. The WordPress Composer Managed upstream is available for Early Access participants. Learn more about Bedrock and Composer-managed WordPress sites.

Environment Configuration - Learn about environment configurations on Pantheon in our new accessible guide. Each site on Pantheon comes with three environments: Dev, Test, and Live. This allows you to develop and test features without impacting your Live site. Additional development environments are available with Multidev. Refer to the Pantheon WebOps Workflow documentation for more details.

August 2022 Changelog

Platform Improvements

Drupal 9.4.5

Drupal 9.4.5 is available for production sites. This is a patch (bugfix) release of Drupal 9.4 and is ready for use on production sites. Drupal 9.4 was released in June 2022. Drupal 9.4 will receive security coverage until June 21, 2023 when Drupal 9.6.0 is released.

Drupal 9 sites on Pantheon use Integrated Composer, enabling one-click core updates through the Dashboard. To check for available updates, click Check Now from the site Dashboard Dev tab.

Drupal 9.3.21

Drupal 9.3.21 is available and includes backwards-compatible improvements. This is a patch version of Drupal 9.3 and is available for use on production sites. Drupal 9.3 was released in December 2021. From Drupal 9.3, PHP version 8.0 or higher is recommended; PHP 7.3 and higher remains supported. Drupal 9.3 will receive security coverage until December 8, 2022 when Drupal 9.5.0 is released.

Drupal 9 sites on Pantheon use Integrated Composer, enabling one-click core updates through the Dashboard. To check for available updates, click Check Now from the site Dashboard Dev tab.

WordPress 6.0.1

WordPress 6.0.1 is currently available on the Pantheon platform. This maintenance release features 13 bug fixes in Core and 18 bug fixes for the Block Editor.

The next major release will be version 6.1 which is planned for later in 2022.

Documentation

Autopilot Pre-Configuration Checklist - There are a few things you should know before you enable Autopilot. Use this guide to ensure your current site configuration is compatible with Autopilot. For more information on Autopilot, refer to the documentation.

Pantheon Decoupled - Pantheon Decoupled is available for Early Access participants. Pantheon Decoupled provides users with tools that improve the experience of building a decoupled front-end that sources data from a CMS back-end. With decoupled sites a CMS site can be linked to a single decoupled site or multiples sites, or the user does not need a CMS at all and can link directly to a front end application! Please check out how we can help you transition to a decoupled experience on the Pantheon platform.

Pantheon Global CDN - A guide for Pantheon's Global CDN is now available. Global CDN is a core platform offering that provides improved performance and security for customer sites. It supports caching to accelerate both static content and anonymous site pages. By serving data from cache servers all over the world, website visitors receive a response without having to wait.

Multidev Guide - Multidevs are development environments for teams. A Multidev environment allows a developer to fork the entire stack (code and content), work independently, and then merge the code changes back into the main site. Refer to this guide for detailed information using Pantheon's Multidev environment for your Drupal or WordPress site.

July 2022 Changelog

Platform Improvements

Drupal 9.4.1

Drupal 9.4.1 is available for production sites. This is a patch (bugfix) release of Drupal 9 and is ready for use on production sites.

Drupal 9.3.17

Drupal 9.3.17 is available for production sites and includes backwards-compatible improvements. Drupal 9.3 was released in December 2021. From Drupal 9.3, PHP version 8.0 or higher is recommended; PHP 7.3 and higher remains supported. Drupal 9.3.x will receive security coverage until December 8, 2022 when Drupal 9.5.0 is released.

Drupal 9 sites on Pantheon use Integrated Composer, enabling one-click core updates through the Dashboard. To check for available updates, click Check Now from the site Dashboard Dev tab.

Drupal 9.2.20

Drupal 9.2.20 is available and includes backwards-compatible improvements. This is a minor version of Drupal 9 and is available for use on production sites.

WordPress 6.0.1

WordPress 6.0.1 is currently available on the Pantheon platform. This maintenance release features 13 bug fixes in Core and 18 bug fixes for the Block Editor.

The next major release will be version 6.1 which is planned for later in 2022.

Documentation

Autopilot for Custom Upstreams - Combining Autopilot with Custom Upstreams is an excellent way to reduce the time spent on maintaining multiple sites. Pantheon allows eligible customers to use Autopilot and Custom Upstreams to automate routine maintenance for upstream and downstream sites.

Fastly on Pantheon - Pantheon offers extensive content delivery network (CDN) features through our Global CDN and Advanced Global CDN. Pantheon also partners with Fastly if you prefer to use a CDN outside of the Pantheon platform. Using Fastly can be a good option if you are looking for log or media storage integration solutions.

Git on Pantheon Guide - A new guide on using Git on the Pantheon platform is now available. Pantheon provides industry standard version control with Git. Pantheon uses Git to make sure all code is stored, versioned, and deployed both safely and predictably.

WordPress REST API - The WordPress Edge Integrations plugin provides REST API endpoints for all of the major functions and output available via server-side PHP code. A full list and descriptions of all endpoints exists in the WordPress Edge Integrations SDK documentation. To learn more about the WordPress SDK, refer to the documentation.

June 2022 Changelog

Platform Improvements

Drupal 9.3.14

Drupal 9.3.14 is available for production sites and includes backwards-compatible improvements. Drupal 9.3 was released in December 2021. From Drupal 9.3, PHP version 8.0 or higher is recommended; PHP 7.3 and higher remains supported. Drupal 9 sites on Pantheon use Integrated Composer, enabling one-click core updates through the Dashboard. To check for available updates, click Check Now from the site's Dashboard Dev tab.

Drupal 9.2.20

Drupal 9.2.20 is available and includes backwards-compatible improvements. This is a minor version of Drupal 9 and is available for use on production sites.

WordPress 6.0

WordPress 6.0 is the latest major release of WordPress and is currently available on the Pantheon platform. This release features nearly a thousand enhancements and bug fixes.

If you’ve updated the previously released Twenty Twenty-two theme outside of Pantheon's WordPress upstream, updating to WordPress 6.0 will result in an error, due to the removal of the wp-content/themes/twentytwentytwo/assets/fonts/LICENSE.md file. To resolve this error delete this file, commit, and push your change, then reapply the update. Detailed information on applying and debugging core updates can be found in the Core Updates documentation.

Documentation

Drupal 9 Migration Guides - The new Drupal 9 Migration Guides have been published. This is a major rework of the existing guide and provides greater assistance to users when choosing their upgrade path, creating separate guides for each path, or adding content for previously undocumented paths.

Using Solr 8 on Drupal 9 - Pantheon Search is now in General Availability. Pantheon Search is a system for indexing and searching site content. Pantheon Search with Solr 8 gives Drupal 9 web teams a high-performance search index integrated with Integrated Composer's one-click updates. Pantheon provides Solr-based search as a service for all environments. Currently, the default version of Solr on Pantheon is Apache Solr v3.6, but we recommend using Solr v8.

WordPress on Pantheon Quick Start Guide - This guide offers a comprehensive overview of WordPress on Pantheon. Use this guide to learn how to create a WordPress site on Pantheon or migrate an existing WordPress site. You can also learn about WordPress plugins, optimization, security, and content management.

WordPress with Composer on Pantheon - This new guide offers an overview of Composer-managed WordPress site capabilities on Pantheon. You can use this guide to create a new WordPress site that uses Composer, Continuous Integration, and Automated Testing. Additionally, you can learn how to create a new WordPress site that uses Integrated Composer.

May 2022 Changelog

Platform Improvements

Drupal 9.3.12

Drupal 9.3.12 is available for production sites and includes backwards-compatible improvements. Drupal 9.3 was released in December 2021. For Drupal 9.3, PHP version 8.0 or higher is recommended; PHP 7.3 and higher remains supported. Drupal 9 sites on Pantheon use Integrated Composer, enabling one-click core updates through the Dashboard. To check for available updates, click Check Now from the site's Dashboard Dev tab.

Drupal 9.2.18

Drupal 9.2.18 is available and includes backwards-compatible improvements. This is a minor version of Drupal 9 and is available for use on production sites.

Documentation

MultiSite Governance for WordPress Site Networks - Multisite governance allows for increased efficiency for teams, by ensuring that roles and responsibilities are defined. For more information, refer to the documentation

Automate and Integrate your WebOps Workflow with Quicksilver - Hook into platform workflows to automate your Pantheon WebOps workflow and tell Pantheon which script you want to run. The platform will run the script automatically every time you or another team member triggers the corresponding workflow. You can use Terminus to install Quicksilver Composer scripts if you have a Composer-managed site. To learn more, refer to to the documentation.

April 2022 Changelog

Platform Improvements

Drupal 9.3.9

Drupal 9.3.9 is available for production sites and includes backwards-compatible improvements. Drupal 9.3 was released in December 2021. From Drupal 9.3, PHP version 8.0 or higher is recommended; PHP 7.3 and higher remains supported. Drupal 9 sites on Pantheon use Integrated Composer, enabling one-click core updates through the Dashboard. To check for available updates, click Check Now from the site Dashboard Dev tab.

Drupal 9.2.16

Drupal 9.2.16 is available and includes backwards-compatible improvements. This is a minor version of Drupal 9 and is available for use on production sites.

Documentation

Cron for WordPress - Pantheon Cron now runs WP-Cron as an hourly task or on demand using WP-CLI with Terminus. Using the WP-CLI to run cron jobs on WordPress sites improves overall site performance and reduces the processing overhead for scheduling requests. To learn more about Pantheon Cron, refer to our documentation.

Edge Integrations - Pantheon leverages integration between the CMS and our Global CDN with Edge Computing capabilities to deliver the right content to the right audience directly, and with fewer moving parts. Edge Integrations is a Software Development Kit (SDK) that allows users to personalize WordPress and Drupal on the Pantheon platform. For more information on Edge Integrations, refer to our documentation.