Spring Boot 3.4 has been released a week earlier than previous releases, allowing users to take advantage of its new features before Thanksgiving. Spring Boot 3.4 includes dependency updates, CVE fixes, and numerous new features. It is essential to upgrade to Spring Boot 3.3 if using Spring Boot 3.2 as open-source support for 3.2 has ended. Spring Boot 3.x and Spring Framework 6.x are nearing their end, with Spring Boot 4.x and Spring Framework 7.x expected next year. Upgrading to a new version of Spring Boot provides access to enhancements and integrations done by the Spring team. This summary highlights some key features of Spring Boot 3.4 across projects such as Spring Framework, Spring Data, Spring Batch, Spring Integration, Spring Security, Spring Modulith, and Spring AI.