What is the latest version of Spring framework and what are the salient features which makes it more popular?

now it is3.2.4 soon version4 is comming may be next week CR version will out, and about feature let me tell you the most important2 from my point of view:

1- lightweight container, no need for exp. Application server, tomcat is enough

2- alot of APIs and projects in varient tracks web, integration, and data