This issue originates in [variant-lite issue 57](https://github.com/martinmoene/variant-lite/pull/57). See also [nonstd-lite issue 80](https://github.com/nonstd-lite/nonstd-lite/issues/80). Historical notes: - 20231228 – Include `windows.h` (lowercase) to fix cross-compiled MinGW builds (#75, thanks @salman-javed-nz), d92253b51b06fdd646d0fba8231546682085b6fe. - 20250515 – Port changes applied in gsl-lite (13-jan-2020 to 25-jun-2021) to lest_cpp03.hpp, 84122d1327b61b109d918e19cb57774939f3857f.