- Disabled @ConfigurationProperties scanning by default; opt‑in via @ConfigurationPropertiesScan (breaking change).
- Added new features: constructor binding for nested properties, amqps:// support in RabbitMQ addresses, and CodecConfigurer.maxInMemorySize property for WebFlux.
- Included extensive bug fixes, documentation improvements, and dependency upgrades (e.g., Spring Security 5.2.1, Spring Framework 5.2.1, Micrometer 1.3.1).
v2.2.1.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.