The Mono 1.0 is quickly approaching. This document explains the Beta releases that we will be doing as well as the various code freezes that we will have in place. Mono 1.0 supports most of the features of the .NET Framework 1.0/1.1 with a few exceptions.
Some of those features will be available in “preview” mode for this release, but are not going to be officially supported. For a detailed list see the Mono
Roadmap and the detailed list of assemblies.