It doesn't require a project upgrade the projects to use a new version of the toolset.
You can use the latest Visual Studio IDE to edit and build projects created by older versions of Visual Studio. Visual Studio also supports multitargeting for C++ projects. The minor version has updated by 1 for each version since Visual Studio 2015: Projects compiled in Visual Studio 2019 or Visual Studio 2017 are ABI-backwards-compatible with 20 projects.
It's shown by the major version of the toolset, which has remained at 14. Visual Studio 2015, Visual Studio 2017, and Visual Studio 2019 are binary-compatible. The platform toolset consists of the C++ compiler (cl.exe) and linker (link.exe), along with the C/C++ standard libraries. vcxproj file, you can use the same code base for every compilation target. NET Framework and toolset of the Visual Studio version that you use to create the project. NET Framework applies to C++/CLI projects only). You can edit a Visual Studio C++ project file to target different versions of the C++ platform toolset.
