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JTC1/SC22/WG21 - The C++ Standards Committee - ISOCPP

News 2025-07-17: The deadline for the 2025-08 mailing is Friday 2025-08-15 15:00 UTC
News 2025-07-17: The 2025-07 post-Sofia mailing is available (14 MB tar.gz), individual papers
News 2025-05-20: The revised (replacements for P3086R4 & P3100R2) 2025-05 pre-Sofia mailing is available (19 MB tar.gz), individual papers
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News 2025-04-16: The 2025-04 mailing is available (6.6 MB tar.gz), individual papers
News 2025-04-13: The C++ Standard Core Issues List (Revision 117) is available (.zip)
News 2025-03-18: The 2025-03 post-Hagenberg mailing is available (32 MB tar.gz), individual papers
News 2025-01-13: The 2025-01 pre-Hagenberg mailing is available (16 MB tar.gz), individual papers
News 2025-01-06: The C++ Standard Core Issues List (Revision 116) is available (.zip)
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News 2024-07-22: The C++ Standard Core Issues List (Revision 115) is available (.zip)
News 2024-07-16: The 2024-07 post-St. Louis mailing is available (20000 kB tar.gz), individual papers
News 2024-05-22: The 2024-05 pre-St. Louis mailing is available (15000 kB tar.gz), individual papers
News 2024-05-10: The C++ Standard Core Issues List (Revision 114) is available (.zip)
News 2024-04-16: The 2024-04 post-Tokyo mailing is available (32000 kB tar.gz), individual papers
News 2024-02-15: The 2024-02 pre-Tokyo mailing is available (13000 kB tar.gz), individual papers
News 2024-01-16: The 2024-01 mailing is available (4000 kB tar.gz), individual papers
News 2023-12-22: The C++ Standard Core Issues List (Revision 113) is available (.zip)
News 2023-12-18: The 2023-12 mailing is available (22000 kB tar.gz), individual papers

ISO/IEC JTC1/SC22/WG21 is the international standardization working group for the programming language C++.

Published standards and technical reports include:

ISO/IEC 14882:2017 Programming Language C++ - draft
ISO/IEC TR 18015:2006 Technical Report on C++ Performance - draft TR
ISO/IEC TR 24733:2011 Information technology - Extensions for the programming language C++ to support decimal floating-point arithmetic
ISO/IEC TR 19768:2007 Information technology - Technical Report on C++ Library Extensions
ISO/IEC 29124:2010 Information technology - Extensions to the C++ Library to support mathematical special functions
ISO 18446:2013 Technical Specification for C++ Extensions for Transactional Memory
ISO/IEC TS 19217:2015 Information technology - C++ Extensions for concepts

Work on projects and their milestones include:

Other information:

Working draft - of the next standard
isocpp.org - Some further information on C++ standardization
wg21.link - WG21 redirect service
C++ Standard Core Issues List
C++ Standard Core Language Issues List
C++ Standard Library Issues List
C++ Standard Library Issues List
C++ Standard Evolution Issues List
WG papers
WG mailings
File System TS Issues List
ISO terminology standard ISO/IEC 2382
WG21 business plan and convener's report 2011
Information on past and future WG meetings
Contacts: membership, liaisons and related work
ISO/IEC TR 24772 Information technology -- Programming languages -- Guidance to avoiding vulnerabilities in programming languages through language selection and use
WG internal information (For members of the C++ standardization committee)

If you want further information, or want to participate, please contact your national member body or one of the contact addresses of the WG.

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