Spring Boot 4.1.0 Released: Official gRPC Support Boosts Java Microservices
Spring Boot 4.1.0 introduces official gRPC support, unified Jackson configuration, HTTP client SSRF protection, enhanced observability with OpenTelemetry, and flexible Log4j file‑rotation strategies, while the roadmap confirms a one‑year lifecycle for each version and signals the shift to the 4.x era for Java microservices.
