...\sdk\include\crt\vadefs.h(74): fatal error C1189: #error: Please implement me
Missing #elif defined(_REACTOS_) && defined(_M_ARM64) block, to define *_va_*() macros.
mingw-w64 v9.0.0 does not have it (yet).
It does not even have the #elif defined(_M_ARM) block (anymore?).
CORE-17518 Add MSVC ARM64 build for applications at our GitHub CI