Spring Framework 7 and Spring Boot 4 Deliver API Versioning, Resilience, and Null-Safe Annotations

November 23, 2025

Broadcom released Spring Framework 7.0 and Spring Boot 4.0, introducing first-class REST API versioning, JSpecify annotations for standardized null safety across the Spring portfolio, built-in resilience features such as retry and concurrency throttling, Jackson 3 for JSON processing, and modular autoconfiguration. The baselines are JDK 17 (while embracing JDK 25), Jakarta EE 11, and Kotlin 2.2.

By Karsten Silz  

InfoQ – Java 

Article Categories:
Java

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