MSVC's implementation of the C++ Standard Library.
Browse cluster: Protocol Buffers & gRPC Ecosystem →Microsoft's C++ Standard Library is the official implementation of the C++ Standard Library (STL) that ships with the MSVC toolset and Visual Studio IDE. Built in C++, the project aims to implement the latest C++ Working Draft with primary goals of conformance to the standard, runtime performance, usability through features like compiler diagnostics, and compatibility across Visual Studio versions and architectures (x64, x86, ARM64, ARM64EC). The repository is actively undergoing migration to GitHub with ongoing work on the CMake build system, test suite integration using lit, Azure Pipelines continuous integration, and comprehensive contribution guidelines, and it is maintained by Microsoft.