Managed Extensibility Framework Preview Update

Another preview release (preview 3) for the Managed Extensibility Framework went live yesterday. MEF is a component system for building applications that use add-ins in a standard way. The most common demonstration of this so far has been for developing Visual Studio add-ins, but you can imagine many other applications that need to do similar kinds of things. It looks like this release has changed the container and export models a bit as well as added a persistent assembly cache.

The preview release includes the source for MEF (System.ComponentModel.Composition).