- Added auto‑configuration for Spring Session’s DefaultCookieSerializer and cached MimeTypes for faster static resource handling.
- Fixed numerous bugs including Binder failures with generic POJOs, HTTPS NPE on Jetty, blocking call in RedisReactiveHealthIndicator, validation and health‑endpoint issues, and metadata generation errors.
- Updated documentation with Heroku deployment link, JUnit 4 default note, and corrected syntax highlighting and whitespace.
v2.1.5.RELEASE
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Fixed a wide range of bugs in Kafka security handling, Cloud Foundry integration, Spring Boot components, and resource cleanup.
Spring Boot Gradle plugin no longer auto‑configures gRPC when the Protobuf plugin is applied; opt‑in via an empty grpc block in the protobuf extension.