Visual Studio 14.0 | [updated]

The version number 14.0 is now less a product version and more a toolchain era . Visual Studio 14.0 (2015) shipped with .NET Framework 4.6. But the build system and project tooling recognized frameworks back to 4.5.2. That’s why you’ll see ToolsVersion="14.0" in .csproj files even today — it signals the MSBuild engine version, not the VS UI version.

Open devenv.exe properties from VS 2015 today, and you’ll see 14.0.xxxxx . The splash screen says 2015. The compiler toolchain says 14.0. This is the first layer of the ghost. visual studio 14.0

That’s the first mystery. The official line? Superstition. 13 is unlucky, so Microsoft jumped from 12.0 (VS 2013) to 14.0 (VS 2015). But the story doesn’t end there. The real ghost is — a version number that briefly lived, died, and was reborn as something else entirely. The version number 14