What’s new for Developers in the Windows 8 Consumer Preview?

Question

There is a new Windows 8 app developer blog that covers the new and improved features for developers since the Developer Preview release.

Please see their first post on this subject: What’s changed for app developers since //build/ (part 1)

The Windows 8 Consumer Preview and Windows Server 8 Beta Compatibility Cookbook also
covers some OS features and their expected  behavior in relation to Metro style apps.