We have just released MonoTouch 3.0.0 with support for iPhoneOS 4.0's new APIs. To try it out, you need to have Apple's iPhone 4.0 SDK installed otherwise MonoTouch 2.0 wont let you download the new toolkit (since it is Apple confidential at this point).
This release is a preview, the final release will be some sort of 3.0.XX number.
This release includes API support for the features that Apple announced last week, in broad terms:
We also sneaked in some new work that is not bound to the iPhoneOS 4.0 API and can be used when building for iPhoneOS 3.1.x and 3.2.x:
Posted on 16 Apr 2010