Pantheon's Solr search Drupal module, search_api_pantheon, has been updated with two new releases — 8.4.0 and 8.4.1. These releases include significant architectural improvements and enhanced developer experience.
We recommend upgrading directly to 8.4.1.
What's Changed in 8.4.0
- License corrected to GPL-2.0+ to align with Drupal standards.
- Major code refactoring resulting in a 60% reduction in code length.
- Simplified service architecture for better maintainability.
- Removed unnecessary overrides for Guzzle, Endpoint, and the Solarium client.
- Improved local development experience. Server connector configuration fields are now editable in local environments and automatically overridden when deployed to Pantheon.
- Drush commands automatically use the first enabled server with the Pantheon connector. The server_id argument is no longer needed or accepted.
- For more details, see the diagnostic commands section in README.md: https://git.drupalcode.org/project/search_api_pantheon/-/blob/8.4.x/README.md#diagnostic-commands
Dependency Updates:
- Removed direct dependencies on guzzlehttp/guzzle, symfony/finder, symfony/yaml, and other packages now provided transitively through search_api_solr (these dependencies are still available but come through search_api_solr instead).
- Impact: No action required unless custom code directly uses these services
- Removed kint-php/kint dependency.
What's Changed in 8.4.1
- Restored the
search_api_pantheon_adminsubmodule (removed in 8.4.0) as an obsolete module to support smooth upgrades from earlier versions.
Action Required
- Back up your database before proceeding with the upgrade.
- Test thoroughly in a non-production environment before deploying to your live site.
Pantheon Search Server Migration
Since version 8.3.0, the default server ID is pantheon_search. New installations use this automatically. Existing sites upgrading from earlier versions can migrate from pantheon_solr8 to pantheon_search via an update hook.
If you proceed with migration, the update hook will update the server ID from pantheon_solr8 to pantheon_search, reassign all indexes to the new server, and flag content for reindexing.
After running database updates (drush updb), reindex your content:
To opt out of migration and continue using pantheon_solr8, add this to your settings.php before running database updates:
Upgrade Instructions
For detailed installation and upgrade instructions, please refer to:
Important: Version Support
Version 8.4.x is now the only maintained version; support for 8.3.x and 8.2.x has been discontinued.