- WordPress upgraded from 6.9.4 to 7.0 (major! test before deploying) - MariaDB upgraded from 10.x to 11.4 (major! SSL now enabled by default) - ENTRYPOINT_CONF_VERSION bumped to v9 - Breaking: MariaDB 11.4 enables SSL by default — if clients don't support SSL, add --disable-ssl to db command - Breaking: WordPress 7.0 introduces new AI features and admin theme changes - Backup database and files before upgrading