• Reduced CPU usage overhead.
• Improved toolbar icons in Normal and High Contrast mode.
• Eliminated distortion and flickering that occurred in the Color Viewer display during playback using some video cards.
• Fixed hanging that occurred using AMD Radeon HD 5xxx series graphics cards.
• Fixed crashing that occurred during playback of .xed files that were recently saved to a network share.

Face Tracking feature:

• The Microsoft.Kinect.Toolkit.FaceTracking project now automatically copies the appropriate native libraries to the output directory in a post-build step.
• The FaceTracking3D-WPF sample now builds all configurations.
• Fixes to the Samples:
  • Audio Explorer – Fixed label captions that were clipped.
  • Avateering – Reference to Microsoft.Kinect.dll is no longer version-specific.
  • Kinect Explorer – Fixed crash that occurred when “,”  used as the numeric separator.
• Polished the user interface in some samples.

Documentation:

SDK documentation is now available offline. For details see Kinect for Windows SDK Offline Docs.

 

In addition, Microsoft has tested SDK v1.5 and Toolkit v1.5.1 on top of Windows 8 Release Preview and found no new problems.