Tim Sneath posts up the official set of changes (Word format) for the May Beta 1 RC. Word is this will also be availble on MSDN soon. It actually has a less complete list of renames/reorganizations than the change log I’ve been maintaining so be sure to check that out, but it does a better job introducing some of the newer features added in this release.
Our XAML Designer for WinFX, Aurora, works on Beta 1 RC. Our took is in beta, therefore downloads are free.
Please visit http://www.mobiform.com/Eng/aurora.html for more details.