Upgrade to Drupal 9

New features

  • ISAICP-6839: Joinup updated to Drupal 9.3

Improvements

  • ISAICP-6720: Update Search API and Search API Solr to the latest version, including upgrade of Solr server from 6 to 8.
  • ISAICP-6660: Refactor joinup_eulogin.eulogin menu link

Testing & Code Quality

  • ISAICP-6676: Re-enable the error.feature
  • ISAICP-6732: Is discussion.edit.feature still needed?
  • ISAICP-6730: Re-enable joinup_notification tests
  • ISAICP-6913: Visual regressions testing

Operations

  • ISAICP-6945: Allow config on ephemeral environments

Bug fixes

  • ISAICP-6956: Mismatched field definition for field_pending_expire_sent
  • ISAICP-6998: Multivalue on single value defined field