Direct3D 10.1 Tech Preview

Microsoft has released DirectX SDK, version 10.1. As you know you need Vista for DirectX 10 but in this case you also need Vista SP 1 Beta (once it is publicly available). Direct3D features:

• TextureCube Arrays which are dynamically indexable in shader code.
• An updated shader model (shader model 4.1).
• The ability to select the MSAA sample pattern for a resource from a palette of patterns, and retrieve the corresponding sample positions.
• The ability to render to block-compressed textures.
• More flexibility with respect to copying of resources.
• Support for blending on all unorm and snorm formats.

For full listing head over to MSDN site and have a read (or download it).