Spring 3.1, 3.2 and 3.3 (4.0?)

Spring 3.1

Webappinitializer: an interface to implement to build what you declare with web.xml programmatically 

Servlet 3.0: did you know it has standardized file uploaded? No more common-fileupload needed. If there as dependency, spring register it as a MultipartFile....

Spring mvc

. Requestmethodhandleradapter

.. Arbitrary map pings to handlers methods across controllers 

.FlashMap and FlashMapMamanger

.. Attributes that survive redirects

Update of supported libs

. Hibernate 4.0

. Quartz 2.0

Java SE7

. Jdbc 4.1

. Fork-join

Caching, persistence and lot's more in it!

Spring 3.2 (end 2012)

. Asynchronous servlet thought async mvc processing

.. Callable (request and response on different threads)

.. Used for DeferredResult and fileuploads

. Core framework refinements

. New spring mvc test framework 

Spring 3.3 (Q4 2013) - maybe will be called 4.0

. Full java 7 byte code (asm 4.0', cglib 3.0)

. Jms 2.0 : message oriented architecture - using annotations like jms listener

. Websockets : already supported in spring integration

. Next generation groovy support

. Java 8 and ee7 support (delayed)

.. Lambda expression (closure) : expect call back functions instead of anonymous classes on API 

. New date time API

. Parameter name discovery 

. Java.util.concurrency enhancements

. Jcache support 

. Jpa 2.1

. Jtan1.2 @transactional

. Bean validation 1.1

. Servlet 3.1

. Jsf 2.2