- Multiple bug fixes covering configuration proxy handling, signed‑jar performance, MVC error model, actuator endpoint sanitization, and various runtime edge cases (e.g., HSQLDB, RSocket, Undertow, memory leaks on Java 11)
- Documentation improvements including corrected configuration‑properties scanning notes, updated Actuator custom endpoint examples, JUnit 5 usage for Kotlin, and clarified buildpack and layer extraction behavior
- Upgrade of numerous dependencies: Micrometer, Spring REST Docs, Spring AMQP, Spring WS, Spring HATEOAS, Lettuce, Undertow, Tomcat, R2DBC, PostgreSQL driver, Netty, Neo4j OGM, Hibernate, Hazelcast, Couchbase, AppEngine SDK, Spring Kafka, ...