Enterprise Library 4.0 Released : -)

This release of Enterprise Library includes the following:

• Integration with the Unity Application Block
• Windows Management Instrumentation (WMI) 2.0 support and improved instrumentation
• Performance improvements (particularly, in the Logging Application Block)
• Pluggable Cache Managers
• Visual Studio 2008 support
• Bug fixes

Note: existing public APIs (v3.1) are still supported.

Links

• MSDN site: http://msdn.microsoft.com/entlib
• Community Forum: http://go.microsoft.com/fwlink/?LinkID=119312
• Community Extensions: http://codeplex.com/entlibcontrib