ISOCPP.org ISO.org

WG21 in Stockholm, Sweden, in July 1996
Photo by Jonathan Schilling.

// about wg21.org

WG21.org is a volunteer effort to make information from WG21, the ISO working group responsible for the C++ Programming Language standard (ISO/IEC 14882), easily accessible to the public. WG21 formed in 1990–91 under JTC1/SC22, it operates with delegates from over 20 national bodies and produces the specification used by systems programmers worldwide.1

20+ nations
15 active SGs
388 papers
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// site highlights

ENHANCED MAILINGS

Browse

A cleaner, searchable view of the WG21 mailing. Filter by working group, navigate between months, and download per-room reports. The papers themselves remain hosted on the official WG21 site — we just make browsing easier.

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Open · Brno 2026 preview

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// recent papers
PAPER TITLE AUDIENCE DATE
n5044 Brno June 2026 Venue (2nd revision) WG21 2026-05-12
n5045 WG21 agenda: 8-13 June 2026, Brno, Czechia WG21 2026-04-29
n5046 Working Draft, Programming Languages -- C++ WG21 2026-05
n5047 Editors' Report, Programming Languages -- C++ WG21 2026-05-12
p0876r23 fiber_context - fibers without scheduler CWGLWG 2026-05-11
read more
// standards track
  1. C++98
  2. C++03
  3. C++11
  4. C++14
  5. C++17
  6. C++20
  7. C++23
  8. C++26
  9. C++29

triennial release cadence · C++26 working draft in progress · ISO/IEC 14882