ISO Working Group 21 (WG21)

_{International Standards Organization JTC1/SC22/WG21; The C++ Standards Committee}

WG21 is the international standards committee responsible for the C++ programming language. It is part of the ISO/IEC JTC1/SC22 committee, which deals with programming languages, their environments and system software interfaces. WG21 is responsible for the standardization of C++ and related technologies, including the C++ Standard Library.

• ISO WG21 Homepage
• C++ Standard Drafts @ Github

Proposals / Papers

• All WG21 Papers
• P1000R6 - C++ IS schedule
• C++ Proposal Status
• P1018 - Language Evolution
• P2400 - Library Evolution

Experimental features

_{To test experimental upcoming features in C++ use std::experimental and #include <version>, which defines all library feature-test macros.}

• Compiler support for new C++ features
• Technical Specs for Experimental C++ Features
• Library feature-test macros
• Preprocessing directives - Predefined macro names

Community Resources

• C++ Reference
• Godbolt Compiler Explorer

Specifications

• C++ Working Draft PDF (n4885) C++ Draft Repository @ GitHub

Published C++ Standards

These documents specify requirements for the implementations of the C++ programming language and define the C++ language itself.