[xvilka]

Well, MSVC team is the last one who can propose something since they didn't even support C11 completely today, and weren't able to add C99 support for almost two decades.

[nwellnhof]

They still don't support C99 fully.

[pjmlp]

They do, to the extent required by ANSI C++14, ANSI C++17 upgraded the requirements to C11.

They are pretty open the future of systems programming on Windows is C++ and .NET Native.

For C devs, they have helped clang to work on Windows and there is WSL for UNIX like software.

Just like they have improved Visual Studio integration with clang and gcc.

As for Visual C++, the name says it all.