• Spring Boot 2.3.0 M3 Release Notes
• Upgrading from Spring Boot 2.2
• Neo4j health indicator
• Upgrading from Spring Boot 2.3.0.M2
• Maven layered configuration
• New and noteworthy
• Graceful shutdown
• R2DBC support
• Custom layers configuration with Maven
• Query-less datasource health indicator
• RSocket support for Spring Integration
• Actuator-specific ObjectMapper support
• Dependency Upgrades
• Miscellaneous
• Deprecations in Spring Boot 2.3.0 M3