Upgrade to Spring Boot 4.0.1#21
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- Update Spring Boot version from 3.5.7 to 4.0.1 - Rename spring-boot-starter-web to spring-boot-starter-webmvc - Remove explicit Jackson dependencies to use Spring Boot 4 managed versions - Update SnakeYAML from 2.2 to 2.3 - Update SLF4J from 2.0.9 to 2.0.16 - Remove explicit Jackson version property as Spring Boot 4 manages Jackson 3 This upgrade brings: - Jackson 3 with improved performance - Spring Framework 7 latest features - Jakarta EE 11 updated enterprise standards - Enhanced modular design and null safety - Java 17+ compatibility (already using Java 21)
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Summary
Upgraded Spring Boot from version 3.5.7 to 4.0.1, bringing latest features and improvements.
Changes Made
spring-boot-starter-webtospring-boot-starter-webmvc(Spring Boot 4 naming change)Benefits
tools.jackson.*)Testing
Migration Notes
This upgrade follows the official Spring Boot 4.0 Migration Guide and addresses all breaking changes including: