adityamparikh

Guides Spring Boot version migrations: 2.7.x to 3.5.x, 3.5.x to 4.x, and minor upgrades within 4.x. Covers Java/Kotlin baseline upgrades, Jakarta EE namespace (javax to jakarta), Hibernate 5/6/7, Spring Security 5/6/7, modular starters, Jackson 3, Spring Framework 7, observability (Micrometer Traci…