Debugging Tools for Windows 6.6.7.5 was released yesterday.
(Note that the changelog includes things from 6.6.3.5, which makes it kind of a pain to see what really changed…).
Download links:
Note that for many remote debugging scenarios, the debugger packages on both computers must be the same version or the remote debugging process will silently fail, so take care in planning when to upgrade (and to upgrade everything at once) if you use remote debugging.