I will not be covering changes to native code, so I have summarized some of the important changes here:
Support for real-time heap analysis has been added.
New integrated dump analysis and debugging tools have been added.
TLBImp shared source is available from CodePlex (http://clrinterop.codeplex.com).
Support for 64-bit mode dump debugging has been added.
Mixed-mode 64-bit debugging is now supported, allowing you to transition from managed to native code.
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