macrozheng
Jun 3, 2025 · Backend Development
Discover Spring Boot 4.0 Snapshot: New API Versioning, Virtual Threads & More
Spring Boot 4.0 (SNAPSHOT) introduces built‑in Spring Framework 7.0 support, elegant API versioning via @RequestMapping, flexible bean registration, virtual thread integration for massive concurrency, JSpecify null‑safety annotations, enhanced SPEL, Jackson 3.x migration, servlet upgrades, and native GraalVM image support, all illustrated with code samples.
API versioningJSpecifyJava
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