The way they killed C++/CX and insist everyone uses COM with tooling that was already bad enough in the Visual C++ 6.0 days, 20 years ago, they could start by sorting out the mess at Microsoft in first place.
Currently the positive part is that VC++ is the most compliant in ISO C++.
Note that other than the spaceship operator, all Herb's former proposals for reflection, exceptions and parameters have fizzled out at the committee, nothing happened after his CppCon talks.