WG21 PAPERS

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Select	Paper	Title	Authors	Audience	Doc Date
	P4297R1	Severing P3100's Profiles Claim from Its Case-by-Case Review	V. Falco, V. Voutilainen	EWG	2026-08-14
Intent Ask Doc Date 2026-08-14 Mailing Date 2026-08 Unassigned Author(s) Vinnie Falco, Ville Voutilainen Target Audience EWG Revisions R0 Tracking issue View on GitHub Abstract This paper asks EWG (the Evolution Working Group) to sever an unadopted architecture claim from the wording it is bundled with, so that the wording proceeds and the claim gets its own paper and poll.
	P4324R0	Exploration of a more library-oriented approach to contracts	V. Voutilainen, V. Voutilainen	EWG	2026-08-14
Doc Date 2026-08-14 Mailing Date 2026-08 Unassigned Author(s) Ville Voutilainen, Ville Voutilainen Target Audience EWG Abstract This paper supplies a design and implementation exploration for a more library-oriented approach to contracts.
	P4332R0	Contracts are inappropriate for undefined behavior checks	J. Spicer, V. Voutilainen, B. Stroustrup, V. Falco, J. Sanchez	EWG SG23 WG21	2026-07-31
Doc Date 2026-07-31 Mailing Date 2026-08 Unassigned Author(s) John Spicer, Ville Voutilainen, Bjarne Stroustrup, Vinnie Falco, Jose Daniel Garcia Sanchez Target Audience EWG SG23 WG21 Abstract This document makes one narrow claim: that the mechanism P2900 defines for contract assertions is the wrong mechanism for checks whose purpose is to detect or mitigate core-language undefined behavior, as proposed by P3100. The claim does not depend on any hostile reading of contracts. It follows from what the contracts proposal says about itself: P3846R1 concedes that guaranteed enforcement is a
	P4347R0	How to decouple UB-checks from Contracts	V. Voutilainen	EWG	2026-08-14
Doc Date 2026-08-14 Mailing Date 2026-08 Unassigned Author(s) Ville Voutilainen Target Audience EWG Abstract This paper explains how to decouple UB-checks from Contracts. Because multiple people have expressed a desire to look at that. Further, this paper explains how to do that without redefining Undefined Behavior. This paper focuses on how. This paper doesn't focus on why.

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