C++20 Features and Fixes in VS 2019 16.1 through 16.6 - C++ Team Blog

What’s New We’ve been busy implementing C++20 features in MSVC’s compiler and Standard Library, and migrating the latter to microsoft/STL on GitHub – in fact, we’ve been so busy that we haven’t posted a C++ toolset changelog since the VS 2019 16.0 toolset changelog.