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.

Users are urged to update both the Spring Framework and Spring Boot tool.

Get ready to deploy the Spring Java and React application to production, using MongoDB Atlas, Vercel for the React front end, and a Spring VM to host the back end.