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Pantheon release notes

Your destination for staying informed about our latest innovations and product updates.
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Plugins
November 12, 2025

The Pantheon Content Publisher plugin is now officially available in the WordPress Plugin Repository. You can now install or update it directly from your WordPress dashboard.

Pantheon Content Publisher on the WordPress.org Plugin Repository

Action required

We recommend that all customers switch their sites to the WordPress.org–hosted version to take advantage of seamless updates and improved long-term support. By switching, you’ll:

  • Receive automatic update notifications and one-click upgrades within the WordPress admin panel
  • Stay up to date with the latest security, stability, and compatibility improvements
  • Benefit from WordPress’s official distribution system, including built-in changelogs, and version tracking

Switching to the repository version helps ensure your site runs the most stable and officially supported release of the plugin.

September 17, 2025

Pantheon has released a new version of our Native PHP Sessions plugin. This release updates documentation and a number of minor dependencies under the hood. Most notably, this update tests the plugin against PHP 8.4, increases the minimum PHP version to 7.4 and bumps the minimum supported WordPress version to 5.3. Additionally, to comply with WordPress plugin repository guidelines, we have removed "WordPress" from the plugin name.

Action required

You are encouraged to upgrade your version of Native PHP Sessions to the latest version as soon as you are able.

If you have issues with the plugin, please use the GitHub issue queue for the plugin.

July 24, 2025

All WordPress plugins and Drupal modules actively maintained by Pantheon have been confirmed to be compatible with PHP 8.4. Most did not require any code updates to be compatible, so they did not receive a version bump.

PHP 8.4 is now available on the Pantheon platform. Learn more about the release.

March 12, 2025

The Pantheon MU Plugin v1.5.3 update is now available for Composer-based WordPress sites. For non-Composer-based WordPress sites, this latest update will be bundled with the next WordPress core update (likely 6.8, expected April 15.). WordPress (composer managed) sites can upgrade today using composer update or by checking for updates in the dashboard.

What's new?

The 1.5.3 update includes a number of minor bug fixes and enhancements:

  • Updates all links to the Plugins with Known Issues documentation page to the updated WordPress Known Issues page to match the update to the docs site.
  • Fixes a PHP warning on the Site Health page. (props to Weston Ruter for the report.)
  • Fixes an issue in the compatibility layer that was causing the WP Rocket plugin to throw a fatal error on deactivation.
  • Updates the compatibility layer to define constants earlier in WordPress execution. Previously, the constants were defined on plugins_loaded which may be too late to override those constants set by the plugins themselves. (props to Rachel Backert for the report.)
February 27, 2025

The WordPress Pantheon Advanced Page Cache version 2.1.1 update is now available. This latest update resolves a bug that caused some sites to cache 404 pages, leaving scheduled posts unavailable after publishing.

What's new?

  • A post's path is explicitly purged when it is published for the first time, in addition to related surrogate keys.
  • Purged paths can be further customized with the pantheon_clear_post_path filter.

Upgrade the plugin now in your WordPress admin to take advantage of these improvements and make the most of Pantheon's edge caching layer or learn more about Pantheon Page Cache in our documentation.

December 9, 2024

The Solr Search for WordPress plugin v2.6.0 update is now available.

What's new

Features

  • Introduced the new is_solr_query filter to enhance query customization.
  • Added the solr_power_customer_schema_file_path filter to set an alternative path for the custom schema file.

Bug fixes

  • Fixed the default custom schema file path for Composer-managed and non-standard uploads directories.

Upgrade the plugin now to take advantage of these improvements and fixes.

December 9, 2024

The Pantheon HUD plugin v0.4.4 update is now available.

What's new in this update

  • Bug fix: Resolved a UI issue affecting the Pantheon icon in the Pantheon menu.
  • Enhancements: Improved adherence to Pantheon's WP coding standards with several under-the-hood fixes.

Learn more about our Pantheon WP Coding Standard in our video on YouTube

Update the Pantheon HUD plugin today to enjoy these improvements and fixes.

November 20, 2024

Pantheon is now accepting customers into a private beta for our Content Publisher.

With Pantheon Content Publisher, your team can now safely publish content directly from Google Docs to Drupal, WordPress, or Next.js sites — quickly and seamlessly. Skip the extra steps and empower everyone who writes and collaborates to participate in web publishing.

Here’s what you can expect

  • Publish from Google Docs straight to your website: Write, edit, collaborate, and publish right from Google Docs.
  • Live preview: See exactly how your content will look before it goes live and see changes in real time.
  • Collaborative editing: Use comments, suggestions, and other collaboration features in Google Docs.
  • Structure your content: Organize and structure your content for content discoverability and SEO. Define metadata fields with AI recommendations.
  • Controlled publishing: Manage publishing workflow. Avoid copy-pasting mistakes with automated quality control.

Documentation

Learn how to set up Content Publisher on your Drupal, WordPress, or Next.js website: