WG21 PAPERS

Mailings Beta

Volunteer-driven · Not affiliated with WG21 or ISO

Filter and export papers from the C++ Committee’s monthly mailings by time frame and audience using the options below, or refine your export further with the Select button. Links point directly to the official WG21 papers on open-std.org.

Submit Issue C++ Standards Committee Papers

Audience
Wording
Evolution
Study Groups
Mailings
1 · Year 1 · Month

Select the arrow to the right of the year to filter for specific months.

2026 Jul · 1 of 5

Pick months in 2026

Filters Author: Joshua Berne EWG Clear all
8 out of 8 papers selected for export
Paper Title Authors Audience Doc Date Audit
P3099R3 Contracts for C++: User-defined diagnostic messages T. Doumler, P. Bindels, J. Berne
EWGLEWG
Mailing Date 2026-07 Post-Brno
Author(s) Timur Doumler, Peter Bindels, Joshua Berne
Target Audience EWGLEWG
Revisions R2
Tracking issue View on GitHub
Abstract * Updated Section 2.6 “Constant evaluation”; specified behaviour for unevaluated contexts, discarded contexts, SFINAE, and trial evaluation
P3100R7 A framework for systematically addressing undefined behaviour in the C++ Standard T. Doumler, J. Berne
EWGLEWG
Mailing Date 2026-07 Post-Brno
Author(s) Timur Doumler, Joshua Berne
Target Audience EWGLEWG
Revisions R6
Tracking issue View on GitHub
Abstract In this paper, we enumerate all cases of core language undefined behaviour explicitly specified in the C++ Standard, group them into ten categories, and classify them along a number of relevant criteria.
P3400R4 Controlling Contract-Assertion Properties J. Berne
EWG
Mailing Date 2026-07 Post-Brno
Author(s) Joshua Berne
Target Audience EWG
Revisions R3
Tracking issue View on GitHub
Abstract * Major restructuring: new Introduction, Design, Glossary, expanded Standard Library Additions sections
P3850R1 A proposed plan for extending Contracts in C++29 T. Doumler, J. Berne
EWGLEWG
Mailing Date 2026-07 Post-Brno
Author(s) Timur Doumler, Joshua Berne
Target Audience EWGLEWG
Revisions R0
Tracking issue View on GitHub
Abstract At the March 2026 WG21 meeting in Croydon, the ISO C++ committee completed the C++26 Standard, including the addition of *contract* assertions. This milestone is the result of a sustained effort by the authors of [[P2900R14](https://wg21.link/p2900r14)] and the WG21 subgroups responsible for evaluating the proposal: SG21, EWG, and CWG. This success was made possible in part by the existence of a c
P4262R0 Design Considerations for Class Invariants J. Berne
EWG
Mailing Date 2026-07 Post-Brno
Author(s) Joshua Berne
Target Audience EWG
Tracking issue View on GitHub
P4275R0 EWG presentation for P3400R4 J. Berne
EWG
Mailing Date 2026-07 Post-Brno
Author(s) Joshua Berne
Target Audience EWG
Tracking issue View on GitHub
P4283R0 Requires clauses for Contract Assertions J. Berne
EWG
Mailing Date 2026-07 Post-Brno
Author(s) Joshua Berne
Target Audience EWG
Tracking issue View on GitHub
P4298R0 Nonthrowing Evaluation Semantics J. Berne
EWG
Mailing Date 2026-07 Post-Brno
Author(s) Joshua Berne
Target Audience EWG
Tracking issue View on GitHub
Showing 8 of 8 papers · source: open-std.org