Spring 4 is now stable enough to forget about Spring 3.2 and move on. With support for all the current and newest SE and EE Java technologies,
it is now time to embrace this upgrade.
For personal projects I have started and the excellent Spring Boot as a help. For commercial work, we are replacing are maven dependencies now.
- 3. New Features and Enhancements in Spring Framework 4.0
- Spring Framework Reference Documentation
- Migrating from earlier versions of the Spring Framework · spring-projects/spring-framework Wiki