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Pantheon release notes

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User interface
December 10, 2025

The new Site Dashboard is now available for all Workspaces. Today's release switches Personal Workspaces over to the new experience, a change we recently completed for Professional Workspaces.

The following ON/OFF toggles have been removed from the user interface:

  • Personal Workspace > Site list "Open sites in new beta"
  • Professional Workspace > Site list "Open sites in new beta" (removed in a previous release)
Information:
Note

The following highlights what users can expect in the new experience. Note these items have not been added or impacted by todays change but were delivered by our earlier Beta release.

  • 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 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

December 5, 2025

A refreshed, modernized site migration experience is now available in the Pantheon Dashboard for all users.

Share questions and feedback in the Pantheon Community Slack.

Migration interface for WordPress

Key Changes

  • Design improvements to align with the latest usability standards for increased consistency.
  • The previous Drupal migration process (which leveraged drush ard) led to failures for most users. The Drupal migration process has now been streamlined so that, when the site deployment is complete, users are instead prompted to migrate manually with crosslinks to respective docs for each step.

Manual migration prompts in the dashboard

November 18, 2025

Starting today, the new Site Dashboard enters General Availability for Professional Workspaces. Specfically, this release changes the following for Professional Workspaces:

  • The new experience is now the default, previously it could be enabled and disabled.
  • The option to disable the new experience has been removed.

Personal Workspaces are not impacted, and still require opting in to enable the new experience.

Information:
Note

The following highlights what users can expect in the new experience. Note these items have not been added or impacted by todays change but were delivered by our earlier Beta release.

  • 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 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

November 4, 2025

A refreshed, modernized site creation experience is now available in the Pantheon Dashboard for all users.

Share questions and feedback in the Pantheon Community Slack.

New user interface showing the creation of a WordPress site in the dashboard

Key Changes

  • The process and workflow is the same, with fewer “loading” screens.
  • Design improvements to align with the latest usability standards.
  • Previously, errors were checked after form submission. Now, errors are checked as you type.
  • Previously, after deployment completed, only a single button was shown for opening the new site dashboard. In the new experience, we've added next steps in context with relevant documentation links: New user interface showing the completion of deploying a new WordPress site in the dashboard
October 23, 2025

The following updates are now available for Content Publisher:

  • New release of the Pantheon Content Publisher v1.0.3 Drupal module now availabe.
  • With Approval Workflows enabled, Administrators now have the option to Approve submissions direclty from the Pending approval tab of a Collection in the Content Dashboard. Previously, opening each submission in Preview mode was required.
  • The experience for Smart Components has been improved for first time users.
  • Upgrade Content Publisher AI metadata suggestion to use Gemini 2.5 flash instead of Gemini 2.0.
  • Bug fix for our Next.js starter kit and SDK to properly support Next.js 15.5 and the use of App Router. Improve the build process by using pinned versions of dependencies.
  • Fix several event tracking issues in the back-end.
October 21, 2025

PHP Runtime Generation is now reported for each environment by the Site Dashboard under the Status tab in the Software Versions block.

Software Versions block on the Status screen

This new data point provides immediate, at-a-glance confirmation of your site's underlying PHP configuration, making it simpler to track your stack and prepare for platform updates.

Alternatively, you may use the terminus env:info <site>.<env> command using Terminus 4.0.2+ to see the current PHP Runtime Generation.

To understand what PHP Runtime Generation means for your site and learn more about the rollout timeline, see related documentation.

October 16, 2025

Effective October 22, 2025, the "Unprivileged" user role will be transitioned to a new "Contributor" role. Permissions will remain exactly the same, except that Contributors will have limited access to Workspaces in the Pantheon Dashboard. This update is to ensure that all Pantheon users have access to the modern dashboard experience.

No action is needed by Site Owners or Workspace Administrators.

Key changes

  • The name will change from Unprivileged to Contributor
  • Contributors will have limited access to Workspaces:
Workspace ContextContributor Permission
Home⚠️ Limited access: Total number of sites and team members are not shown.
Sites > Site list⚠️ Limited access: Only sites they create and sites they have been added to will be shown.
Sites > Create new site
Sites > Migrate existing site
Team
Autopilot
Edge
Support⚠️ Limited access: They can start a Live chat, but they cannot open tickets or see Workspace ticket history
Upstreams
Settings > Billing
Settings > Profile

Users assigned this role will retain access solely to the sites for which they have been explicitly granted permission. They will not be authorized to modify Workspace configurations, access billing information, create custom upstreams, or perform other administrative functions. If these users are in multiple Workspaces, they will continue to have access to the Workspace Selector to change which Workspace they are currently working in.

Here's what you can expect a Contributor to see when accessing the Workspace:

Contributor view of a workspace in the Pantheon Dashboard

October 15, 2025

The following user interface enhancements are now available for Content Publisher:

We have also released several minor bug fixes, user interface enhancements, and formatting issues - which don’t affect functionality, but do improve the end user experience.