Interesting, I wasn't aware that Microsoft documents the ABI compatibility for MSVC 2015-2019. https://docs.microsoft.com/en-us/cpp/porting/binary-compat-2015-

Interesting, I wasn't aware that Microsoft documents the ABI compatibility for MSVC 2015-2019. https://docs.microsoft.com/en-us/cpp/porting/binary-compat-2015-2017?view=vs-2019 https://docs.microsoft.com/en-us/cpp/porting/binary-compat-2... Furthermore, GCC/libstdc++ have maintained ABI compatibility for at least 15 years now, even across an incompatible change of std::string and std::list required for C++11 conformance, so in practice the situation with C++ looks better than with Rust. https://developers.redhat.com/blog/2015/02/05/gcc5-and-the-c11-abi/ https://developers.redhat.com/blog/2015/02/05/gcc5-and-the-c...