In 2026, the #Spring team is specifically focused on performance optimizations. Thanks to a collaboration between Rossen Stoyanchev, David Syer, and Violeta Georgieva, we were able to improve peak throughput by 8% on a typical enterprise web application.

You will be able to benefit of these improvements just by upgrading to Spring Boot 4.0.3 (based on Spring Framework 7.0.4), which will be released next week. There is more to come, so stay tuned...