- Added GraphQL default MIME type "application/json" with backward compatibility and customizable single logout for auto‑configured SAML SP registration.
- Fixed numerous stability issues (property precedence, WebClient metric failures, logging, SAML config hyphens, thread‑safety, startup errors) and improved startup behavior.
- Updated documentation (Datadog metrics, Java 18 support, upgrade guide) and upgraded many dependencies such as Spring Framework, Hibernate, Kafka, etc.