id summary reporter owner description type status milestone component version severity resolution keywords cc 13457 Windows port for 1.66.0 incorrectly includes NTVERP.H Brian Catlin Andrey Semashev The Windows file NTVERP.H contains the version information for the SDK, and it must not be included by Boost (specifically, in lib\native\include\boost\predef\platform\windows_uwp.h) because it prevents applications from defining their own version resource, causing the compiler to complain about the version macros being redefined. In projects that are required to use the /WX (treat compiler warnings as errors) this is a fatal error. Previous versions of Boost did not have this problem. Bugs closed To Be Determined winapi Boost 1.66.0 Showstopper invalid windows