The SP12 was released few days ago, and is glad to found the new functionalities,
But this blog is only to remember everyone to check the RKT of Solman https://service.sap.com/rkt-solman, in this RKT, You will found the information regarding the new features released in SP12.
My recommendation is start with the Overview and check the new features.
The RKT have the following topics:
In the Solution Manager Overview you will found the following Presentation with the New functionalities :-))
Best Regards
@WenSolman