Phew! We’ve been working hard! I’m planning to put another Codeplex drop soon so you can see and test the changes, and of course, share your feedback. Also looking forward to run a usability test – let me know if you’re in seattle/redmond area and if...

Recapping: MEF supports two creation policies: shared (think singleton) or non-shared (think transient, prototype or a fancy new operator). MEF also recognizes types that implement IDisposable and correctly “implement the protocol” for...