Spring.NET 1.3.0 RC1 is now available. 

Download | Documentation | Community

This release contains the following new major features:

Micosoft Test Framework integration - Integration test classes to support MSTest in addition to NUnit.
TIBCO EMS integration - Helper classes to increase your productivity developing messaging based applications with TIBCO EMS.
NVelocity integration - Helper classes to configure a NVelocity template engine in a Spring based application
VS.NET Solution Templates - VS.NET 2008 based solution templates to get you up and running quickly creating Spring based applications.
DI support for Enterprise Service Components
Other notable new features:

NHibernate 2.1 and ActiveMQ NMS 1.1 support.
Updated and documented NHibernate 2.1 QuickStart application.
Spring based NHibernate ByteCode provider to support DI for NH entities.
This release includes approximately 100  bug fixes and enhancements since the 1.2.0 release.

Please refer to the changelog for additional details.

Enjoy!