4.0.0

4.0.0 - 2026-08-20

Breaking Changes

• Drupal image is based on php:8.5-fpm-bookworm (was 8.4). Rebuild or pull a new GHCR image. Drupal 11.3+ is required (packages pin ^11.4).
• PostgreSQL is postgres:17 (was 16). Volume postgres-data from 16 will not start; dump/restore into a new volume (or pg_upgrade). Importer overlay is postgres:17-alpine.
• Solr is solr:10 (was 9.7). Recreate solr-data and Search API cores. Dropped SOLR_OPTS=-Djava.security.manager=allow (Java 25 in the Solr 10 image rejects enabling the Security Manager).
• Redis is redis:8-alpine (was 7.4). Recreate redis-data if the 7.4 RDB is refused. Importer overlay is redis:8-alpine.
• Varnish is varnish:8 (was 7.6). Production profile only; cache is tmpfs.
• OpenGDB RDF4J is pinned to eclipse/rdf4j-workbench:6.0.0 (Tomcat). OpenGDB previously floated untagged latest (RDF4J 5.x). Volume rdf4j-data from 5.x is not reused.

Changed

• Development image installs Xdebug 3.5.3 (PHP 8.5) and phpredis 6.3.0.