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.

Disposition Updated

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 Apr · 1 of 6

Pick months in 2026

Add Year +

Select Years To Display

Current Years Selected

2026
Filters Author: Mark Hoemmen LWG Clear all
3 out of 3 papers selected for export
SelectPaper Title Authors Audience Doc Date
P3242R2 Copy and fill for mdspan N. Morales, C. Trott, M. Hoemmen, D. Lebrun-Grandie
Intent Proposal
Mailing Date 2026-04 Post-Croydon
Target Audience LWG
Revisions R4R3
Tracking issue View on GitHub
Abstract C++23 introduced `mdspan` ([[P0009R18]](https://wg21.link/p0009r18)), a non-owning multidimensional array abstraction that has a customizable layout. Layout customization was originally motivated in [[P0009R18]](https://wg21.link/p0009r18) with considerations for interoperability and performance, particularly on different architectures. Moreover, [[P2630R4]](https://wg21.link/p2630r4) introduced `
P3982R2 Split strided_slice into extent_slice and range_slice for C++26 T. Kamiński, M. Hoemmen
Intent Proposal
Mailing Date 2026-04 Post-Croydon
Target Audience LWG
Revisions R1R0
Tracking issue View on GitHub
Disposition Date 2026-03Adopted
Abstract **Addresses [PL007: Define the extent member of the `strided_slice`](https://github.com/cplusplus/nbballot/issues/816)**
P4144R1 Remove span's initializer_list constructor for C++26 M. Hoemmen, T. Kamiński, T. Song, J. Wakely
Intent Proposal
Mailing Date 2026-04 Post-Croydon
Target Audience LWG
Revisions R0
Tracking issue View on GitHub
Disposition Date 2026-03Adopted
Abstract This paper expresses [LWG4520](https://cplusplus.github.io/LWG/issue4520) and proposes fixing it by reverting adoption of [P2447R6](https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2023/p2447r6.html).
Showing 3 of 3 papers · source: open-std.org