Known omissions where a priority update neccessitated not finishing before release, or waiting on feature support:
-OpenGL (needs Alias support)
-DWebBrowserEvents[2] interfaces (needs dispinterface support)
-POLID_ guids only partially complete
-winbio_adapter.h
-vfw.h/vfsmsg/vfwext (AVIFil32 done; other sections under consideration)
-missing winspool.h stuff
-windns.h (in progress, 20%)
-Windows Filtering Platform (in progress, 40%)
-SQL.h/obdc32.dll (needs Alias support)
-wdMF BOOL types
-test IsVariantString / IsPropVariantString
-Tablet interfaces (waiting on dispinterface support)