WG21 agenda: 23-28 March 2026, Croydon, UK

Meeting notice and location: N5024

Zoom Information

Please see the "Meeting Rooms" page for the Zoom information for the plenary.

Dates and times

Evening sessions on specific topics may also be scheduled, especially Monday through Thursday.

Meeting objectives

The primary goals of this meeting will be:

• Address national body comments on C++26 features

Additional, lower-priority goals include:

• Subgroup work that may target versions after C++26

Note: No longer a joint INCITS meeting

Order of the meeting

1. Opening activities (Monday 9:00)
   1. Opening comments, welcome from host
   2. Meeting guidelines

      Every participant is responsible for understanding and abiding by the following:

      • The ISO Code of Ethics and Conduct
      • The IEC Code of Conduct
      • The WG21 Practices and Procedures, and Code of Conduct
      • The code of conduct any any other rules of your national body.

   3. Membership, voting, and procedures
   4. Introductions
   5. Agenda review and approval (WG21 poll)

      See also P1000R7

   6. Editor's reports, approval/adoption of working drafts

      Document	Editor's report	Prospective WD
      C++ 26 Working Draft	N5032	N5033

   7. Approval of the minutes of the previous meetings (WG21 poll)

      Meeting	Minutes
      WG21 Kona	N5031
      WG21 pre-Croydon administrative telecon	NXXX

2. External coordination reports, and WG21 study group reports (see pre-meeting WG21 telecon minutes)
3. WG progress reports and work plans for the week (Core, Evolution, Library, Library Evolution; see pre-meeting WG21 telecon minutes)
4. New business requiring action by the committee
5. Organize working groups and study groups, establish working procedures

   (Clarify rooms available for evening sessions)

6. Subgroup sessions

   The subgroup chairs must arrange for any proposals to be written up in the form of a motion, and made available by 8:00 PM Friday.

7. Review of the meeting (Saturday 8:30 AM)

   Reminder: Make sure you have marked the attendance sheet, if you have not already done so.

   Subgroup status and progress reports. Presentation and discussion of proposals to be considered for consensus adoption by full WG21.

   • SG1: Concurrency (Giroux/Boehm/Arutyunyan)
   • SG4: Networking (Snyder/Ažman)
   • SG6: Numerics (Kretz/Lippincott/McFarlane)
   • SG7: Compile-time programming (Dusíková/Snyder)
   • SG9: Ranges (Müller/Laine)
   • SG10: Feature test (Revzin/Wakely)
   • SG14: Game Dev. and Low latency (Wong)
   • SG15: Tooling (Spencer/Boeckel)
   • SG16: Unicode (Honermann/Downey)
   • SG17: EWG Incubator (Keane/Touton)
   • SG18: LEWG Incubator (Baker/Liber)
   • SG19: Machine Learning (Wong/Ratzloff)
   • SG20: Education (van Winkel/Sattler)
   • SG22: C/C++ Liason (Ranns/Herring/Meneide(for WG14))
   • SG23: Safety/Security (Orr/Butler)
   • ABI Group (Vandevoorde/Merill)
   • Admin (Liber)
   • Evolution (Bastien/Dusíková/Keane)
   • Library Evolution (Levi/Fracassi/Weis)
   • Core (Maurer/Merill/Caves)
   • Library (Wakely/Garland/Kuehl/St. Amour)
   • Direction Group (Vandevoorde)
8. Closing activities
   1. Issues delayed until today
   2. Mailings

      Note: These are the closest regular mailings and not special pre/post meeting mailings.

      • 2026-04-20: Post-Croydon
      • 2026-05-11: Pre-London
   3. Plans for the future
   4. Next and following meetings
      • 2026-06-08/13: Brno, Czechia (N5011)
      • 2026-11-16/21: Búzios, Rio De Janeiro, Brazil(N5021)
9. Adjournment