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Pantheon release notes

Your destination for staying informed about our latest innovations and product updates.
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September 16, 2025

Today, Pantheon's Content Publisher moves from Beta to Public Preview. In Beta, teams needed to request access to use Content Publisher. Now any team with a Google Workspace can sign up to use Content Publisher to publish to their website straight from Google Docs, with a free 30-day trial of our enterprise-level plan.

If you wish to use Content Publisher with your WordPress, Drupal, or Next.js sites, sign up here.

This promotion to Public Preview also reflects increased product maturity in areas like:

  • Pricing information and free trial of enterprise-level features now publicly available.
  • New releases for our Drupal module and WordPress plugin with bug fixes and feature improvements.
  • Multiple Google Workspaces can now be connected to a single Content Publisher account.
  • Content approval workflows that allow content editors to submit content to be approved and published by administrators.
  • Live chat support now directly integrated within the Content Dashboard interface.

For more perspective on Content Publisher, check out the announcement blog post. See our documentation site for guidance on using Content Publisher.

Share feedback – We have a dedicated Slack channel for public preview participants where you can easily ask questions and discuss feedback with the Pantheon product and engineering team. To request an invite, submit this form.

September 12, 2025

Terminus 4.0.3 is now available. This small update contains the latest bug fixes and improvements for this tool.

Added

  • Make site label available in site:list and org:site:list commands
  • Add a debug log message to workflow:wait printing the workflow start time

Fixed

  • Regression affecting SSH commands (e.g., drush, wp-cli) on sites using external version control
  • Un-deprecated --tags parameter on org:site:list command
  • Remove unnecessary api call from tag:add and tag:list causing unnecessary load and timeouts

How to upgrade Terminus

If you manage your installation via Homebrew on macOS, you can update Terminus with the following command:

For other systems, see additional upgrade instructions here.

September 12, 2025

PHP versions 8.3.25 and 8.4.12, and are now available on the platform. These updates brings the latest bug fixes, improving performance and security for your sites. Updates will be applied automatically over the next few days, so no manual action is required.

PHP 8.4 is only available with the new PHP Runtime Generation 2. To upgrade your site, set the following in your pantheon.yml file:

The PHP 8.4 upgrade process automatically includes an upgrade to PHP Runtime Generation 2.

Important PHP version information

  • PHP 8.1 and 8.2 are currently receiving security-only updates.
  • For more details, see the full list of PHP supported versions.

For the best performance and security, Pantheon recommends running PHP 8.2 and above.

September 6, 2025

Terminus 4.0.2 is now available. This small update contains the latest bug fixes and improvements for this tool.

Notable release details

For more information about this release, visit the GitHub release page.

Warning:
Known Regression

We've identified a regression affecting SSH commands (e.g., drush, wp-cli) on sites using external version control which will be patched next week.

How to upgrade Terminus

If you manage your installation via Homebrew on macOS, you can update Terminus with the following command:

For other systems, see additional upgrade instructions here.

September 5, 2025

Editorial notes:

  • The date for this has been moved from September 10, 2025 to September 17, 2025.

Starting September 17, 2025, new sites created on the platform will use PHP Runtime Generation 2.

PHP Runtime Generation 2 includes updated extensions, the latest PHP version, and enhanced security features. This new PHP runtime is currently available in beta and will begin rolling out to existing sites on September 24.

Some PHP extensions and OS packages have not been ported over to Generation 2 yet, and may never be ported. Review the OS Packages and PHP Extensions documentation to review these changes. If your new sites depend on these, we recommend you downgrade to Generation 1 and contact your Customer Success Manager or create a support ticket to discuss your site needs.

September 2, 2025

ClamAV support is now operational with PHP Runtime Generation 2. This open source antivirus engine helps protect endpoints by scanning uploads to your sites once configured via a module/plugin.

PHP Runtime Generation 2 includes updated extensions, the latest PHP version, and enhanced security features. This new PHP runtime is currently available in beta and will begin rolling out on September 17. Early testing is recommended to ensure compatibility.

August 21, 2025

Support for Apache Tika 3.2 is now available on the Pantheon platform via PHP Runtime Generation 2. Older versions of Tika are still available for both PHP Runtime Gen 1 and Gen 2, however we recommend sites using older versions of Tika upgrade to 3.2 as soon as possible.

How to upgrade

Upgrade your site by setting the following in your pantheon.yml file:

Information:
Note

Tika 3 is only available for sites using PHP Runtime Generation 2.

After applying this configuration change, the latest version of Tika 3 is available at the following path:

See also, updated documentation for Tika 3 on Pantheon.

August 20, 2025

A new beta experience for a freshly modernized Site Dashboard is rolling out across the platform starting now and will be available to all users over the coming weeks. Sign up now to skip the wait!

Enable the new beta experience

Once rolled out, users will be prompted to toggle this new beta experience from the site list of a given Workspace:

Shows a site list for a professional workspace, with a banner at the top to toggle the new beta experienec off/on for site dashboards

When the toggle is “on,” the new beta experience of the site dashboard will be enabled. All site dashboards opened from this view will use the new beta experience.

Information:
Note

Please note the toggle setting is specific to each user. If multiple users have access to the workspace, the toggle’s setting (on /off) will NOT impact others.

What to expect

  • Same functionality, familiar workflows – No need to relearn anything. Your day-to-day tasks remain unchanged.
  • Modern, accessible design – We’ve made significant improvements to align with the latest usability design standards, enhancing readability, contrast, and navigation.
  • Performance improvements under the hood – While this beta may feel mostly visual, we’ve reworked key infrastructure for long-term speed and reliability.
  • Small but powerful UX upgrades – New conveniences like one-click to copy the commit SHA, along with other thoughtful touches for enhanced usability.

Shows a preview of the new/fresh commit log

Other details

  • Sections in progress – A few parts of the dashboard are still in development and will roll out over the course of the beta program:
    • Site team
    • Domain management
    • New Relic
  • Easily switch back – If you need to, you still have access to the current dashboard.
  • Share feedback – We have a dedicated Slack channel for beta participants where you can easily ask questions and discuss feedback with the Pantheon product and engineering team. To request an invite, submit this form.