Spring Framework 6.1 and Spring Boot 3.2 run on Java 21, make concurrent programming simpler and more efficient with virtual threads, and initially support “Scale to Zero” startup time with CRaC.

Spring profiles let Spring Boot apps switch between runtime targets and staging environments. This tutorial teaches how to create and use Spring profiles.

On the other hand, Spring Boot is a project accelerator that helps teams build a basic Spring-based application that uses the projects and technologies they want, which may or may not include Spring ...