Unofficial Windows 8 vs Windows 8.1 Assemblies - What's the Diff....

Jim Galasyn's Learning Curve - API diff report for Windows 8 and Windows 8.1 Preview

Koen Zwikstra at First Floor Software has published a diff report of the Windows 8 and Windows 8.1 Preview assemblies, showing how the API surface has changed. Very handy!

Windows 8 vs Windows 8.1

 

[GD: And that's about 1/2 of the page...]