SpringMeng

Nov 22, 2025 · Backend Development

Spring Boot 4 Launches with Jakarta EE 11, JSpecify Null‑Safety, and AI‑Ready Features

Spring Boot 4 arrives alongside Spring Framework 7, upgrading to Jakarta EE 11, JDK 25, JSpecify null‑safety, build‑time optimizations, a declarative HTTP client, full Jackson 3 support, native API versioning, built‑in resilience, OpenTelemetry integration, and a dual‑track Spring AI strategy.