Mastering Spring 6 & Boot 3: Virtual Threads, Declarative HTTP, GraalVM Native Images, and Advanced Monitoring
This article walks through Spring 6’s core upgrades—including JDK 17 baseline, Project Loom virtual threads, @HttpExchange declarative clients, RFC 7807 ProblemDetail handling, GraalVM native‑image compilation, and Micrometer‑Prometheus monitoring—showing concrete code, performance numbers, migration steps, and real‑world e‑commerce use cases.
