Visual Studio “15” Preview 5 is now available. (As our previous changelog explained, VS “15” is an IDE version number, not a year. It’s the next major version after VS 2015, which was IDE version 14. VS has different numbers for its year branding, IDE version, and C++ compiler version.) Preview 5 adds support for C++14 extended constexpr, unconditional support for generalized range-for (it’s a