The 2023-12 mailing of new standards papers is now available.
| WG21 Number | Title | Author | Document Date | Mailing Date | Previous Version | Subgroup |
|---|---|---|---|---|---|---|
| N4966 | St. Louis Meeting Invitation and Information | Bill Seymour | 2023-10-19 | 2023-12 | All of WG21 | |
| N4967 | WG21 2023-10 Admin telecon minutes | Nina Ranns | 2023-10-30 | 2023-12 | All of WG21 | |
| N4970 | WG21 2023-11 Kona Minutes of Meeting | Nina Ranns | 2023-11-28 | 2023-12 | All of WG21 | |
| N4971 | Working Draft, Programming Languages -- C++ | Thomas Köppe | 2023-12-17 | 2023-12 | All of WG21 | |
| N4972 | Editors' Report, Programming Languages -- C++ | Thomas Köppe | 2023-12-17 | 2023-12 | All of WG21 | |
| P0447R24 | Introduction of std::hive to the standard library | Matt Bentley | 2023-10-25 | 2023-12 | P0447R23 | SG14 Low Latency,LEWG Library Evolution,All of WG21 |
| P0447R25 | Introduction of std::hive to the standard library | Matt Bentley | 2023-12-03 | 2023-12 | P0447R24 | SG14 Low Latency,LEWG Library Evolution,All of WG21 |
| P0447R26 | Introduction of std::hive to the standard library | Matt Bentley | 2023-12-17 | 2023-12 | P0447R25 | SG14 Low Latency,LEWG Library Evolution,All of WG21 |
| P0609R2 | Attributes for Structured Bindings | Aaron Ballman | 2023-11-27 | 2023-12 | P0609R1 | CWG Core |
| P0952R2 | A new specification for std::generate_canonical | Thomas Köppe | 2023-12-18 | 2023-12 | P0952R1 | LWG Library |
| P1028R6 | SG14 status_code and standard error object | Niall Douglas | 2023-12-10 | 2023-12 | P1028R5 | LEWG Library Evolution |
| P1061R6 | Structured Bindings can introduce a Pack | Barry Revzin | 2023-12-10 | 2023-12 | P1061R5 | EWG Evolution |
| P1068R10 | Vector API for random number generation | Ilya Burylov | 2023-12-09 | 2023-12 | P1068R9 | LWG Library |
| P1673R13 | A free function linear algebra interface based on the BLAS | Mark Hoemmen | 2023-12-18 | 2023-12 | P1673R12 | All of WG21 |
| P1708R8 | Basic Statistics | Richard Dosselmann | 2023-12-17 | 2023-12 | P1708R7 | SG6 Numerics,SG14 Low Latency,LEWG Library Evolution,LWG Library |
| P1709R4 | Graph Library | Phillip Ratzloff | 2023-12-18 | 2023-12 | P1709R3 | SG19 Machine Learning |
| P1709R4 | Graph Library | Phillip Ratzloff | 2023-12-18 | 2023-12 | P1709R3 | SG19 Machine Learning |
| P1928R8 | std::simd - Merge data-parallel types from the Parallelism TS 2 | Matthias Kretz | 2023-11-09 | 2023-12 | P1928R7 | LEWG Library Evolution,LWG Library |
| P1967R12 | #embed - a simple, scannable preprocessor-based resource acquisition method | JeanHeyd Meneide | 2023-12-09 | 2023-12 | P1967R11 | CWG Core |
| P2022R3 | Rangified version of lexicographical_compare_three_way | Ran Regev | 2023-12-17 | 2023-12 | P2022R2 | SG9 Ranges,LEWG Library Evolution |
| P2264R6 | Make assert() macro user friendly for C and C++ | Peter Sommerlad | 2023-11-10 | 2023-12 | P2264R5 | LWG Library |
| P2264R7 | Make assert() macro user friendly for C and C++ | Peter Sommerlad | 2023-12-18 | 2023-12 | P2264R6 | LWG Library |
| P2267R1 | Library Evolution Policies | Inbal Levi | 2023-11-22 | 2023-12 | P2267R0 | LEWG Library Evolution |
| P2308R1 | Template parameter initialization | S. Davis Herring | 2023-12-18 | 2023-12 | P2308R0 | CWG Core |
| P2414R2 | Pointer lifetime-end zap proposed solutions | Paul E. McKenney | 2023-12-17 | 2023-12 | P2414R1 | SG1 Concurrency and Parallelism,EWG Evolution |
| P2447R6 | std::span over an initializer list | Arthur O'Dwyer | 2023-12-18 | 2023-12 | P2447R5 | LWG Library |
| P2481R2 | Forwarding reference to specific type/template | Barry Revzin | 2023-12-16 | 2023-12 | P2481R1 | EWG Evolution |
| P2542R7 | views::concat | Hui Xie | 2023-12-02 | 2023-12 | P2542R6 | SG9 Ranges,LEWG Library Evolution,LWG Library |
| P2573R1 | = delete("should have a reason"); | Yihe Li | 2023-11-10 | 2023-12 | P2573R0 | EWG Evolution |
| P2642R5 | Padded mdspan layouts | Christian Trott | 2023-12-05 | 2023-12 | P2642R4 | LEWG Library Evolution,LWG Library |
| P2662R3 | Pack Indexing | Corentin Jabot | 2023-12-18 | 2023-12 | P2662R2 | CWG Core |
| P2663R5 | Proposal to support interleaved complex values in std::simd | Daniel Towner | 2023-12-08 | 2023-12 | P2663R4 | LEWG Library Evolution |
| P2664R5 | Proposal to extend std::simd with permutation API | Daniel Towner | 2023-10-25 | 2023-12 | P2664R4 | SG1 Concurrency and Parallelism,LEWG Library Evolution |
| P2717R4 | Tool Introspection | René Ferdinand Rivera Morell | 2023-11-08 | 2023-12 | P2717R3 | SG15 Tooling |
| P2717R5 | Tool Introspection | René Ferdinand Rivera Morell | 2023-11-10 | 2023-12 | P2717R4 | SG15 Tooling |
| P2747R1 | constexpr placement new | Barry Revzin | 2023-12-10 | 2023-12 | P2747R0 | EWG Evolution |
| P2758R1 | Emitting messages at compile time | Barry Revzin | 2023-12-09 | 2023-12 | P2758R0 | EWG Evolution,LEWG Library Evolution |
| P2760R1 | A Plan for C++26 Ranges | Barry Revzin | 2023-12-14 | 2023-12 | P2760R0 | SG9 Ranges,LEWG Library Evolution |
| P2761R0 | Slides: If structured binding (P0963R1 presentation) | Zhihao Yuan | 2023-11-08 | 2023-12 | EWGI SG17: EWG Incubator | |
| P2767R2 | flat_map/flat_set omnibus | Arthur O'Dwyer | 2023-12-09 | 2023-12 | P2767R1 | LEWG Library Evolution,LWG Library |
| P2795R4 | Erroneous behaviour for uninitialized reads | Thomas Köppe | 2023-11-10 | 2023-12 | P2795R3 | SG12 Undefined and Unspecified Behavior,SG23 Safety and Security,EWG Evolution,CWG Core,LWG Library |
| P2806R2 | do expressions | Barry Revzin | 2023-11-16 | 2023-12 | P2806R1 | EWG Evolution |
| P2810R2 | is_debugger_present is_replaceable | René Ferdinand Rivera Morell | 2023-12-02 | 2023-12 | P2810R1 | LEWG Library Evolution |
| P2810R3 | is_debugger_present is_replaceable | René Ferdinand Rivera Morell | 2023-12-03 | 2023-12 | P2810R2 | LEWG Library Evolution |
| P2819R2 | Add tuple protocol to complex | Michael Florian Hava | 2023-12-18 | 2023-12 | P2819R1 | LWG Library |
| P2821R5 | span.at() | Jarrad J. Waterloo | 2023-12-18 | 2023-12 | P2821R4 | SG23 Safety and Security,LEWG Library Evolution |
| P2826R1 | Replacement functions | Gašper Ažman | 2023-11-05 | 2023-12 | P2826R0 | EWG Evolution |
| P2827R1 | Floating-point overflow and underflow in from_chars (LWG 3081) | Zhihao Yuan | 2023-11-20 | 2023-12 | P2827R0 | LEWG Library Evolution,LWG Library |
| P2830R1 | constexpr type comparison | Gašper Ažman | 2023-11-05 | 2023-12 | P2830R0 | EWG Evolution |
| P2845R5 | Formatting of std::filesystem::path | Victor Zverovich | 2023-11-24 | 2023-12 | P2845R4 | LWG Library |
| P2863R3 | Review Annex D for C++26 | Alisdair Meredith | 2023-12-18 | 2023-12 | P2863R2 | EWG Evolution,LEWG Library Evolution |
| P2864R2 | Remove Deprecated Arithmetic Conversion on Enumerations From C++26 | Alisdair Meredith | 2023-12-18 | 2023-12 | P2864R1 | CWG Core |
| P2865R4 | Remove Deprecated Array Comparisons from C++26 | Alisdair Meredith | 2023-11-12 | 2023-12 | P2865R3 | SG22 Compatibility |
| P2868R3 | Remove Deprecated `std::allocator` Typedef From C++26 | Alisdair Meredith | 2023-12-18 | 2023-12 | P2868R2 | LWG Library |
| P2869R3 | Remove Deprecated `shared_ptr` Atomic Access APIs From C++26 | Alisdair Meredith | 2023-12-03 | 2023-12 | P2869R2 | LEWG Library Evolution,LWG Library |
| P2870R3 | Remove `basic_string::reserve()` From C++26 | Alisdair Meredith | 2023-12-18 | 2023-12 | P2870R2 | LWG Library |
| P2871R3 | Remove Deprecated Unicode Conversion Facets From C++26 | Alisdair Meredith | 2023-12-18 | 2023-12 | P2871R2 | LWG Library |
| P2878R6 | Reference checking | Jarrad J. Waterloo | 2023-11-13 | 2023-12 | P2878R5 | SG23 Safety and Security |
| P2890R1 | Contracts on lambdas | Timur Doumler | 2023-12-07 | 2023-12 | P2890R0 | SG21 Contracts |
| P2890R2 | Contracts on lambdas | Timur Doumler | 2023-12-13 | 2023-12 | P2890R1 | SG21 Contracts |
| P2894R1 | Constant evaluation of Contracts | Timur Doumler | 2023-12-07 | 2023-12 | P2894R0 | SG21 Contracts |
| P2900R2 | Contracts for C++ | Joshua Berne | 2023-11-11 | 2023-12 | P2900R1 | SG21 Contracts |
| P2900R3 | Contracts for C++ | Joshua Berne | 2023-12-17 | 2023-12 | P2900R2 | SG21 Contracts |
| P2909R3 | Fix formatting of code units as integers (Dude, where's my char?) | Victor Zverovich | 2023-11-07 | 2023-12 | P2909R2 | LWG Library |
| P2909R4 | Fix formatting of code units as integers (Dude, where's my char?) | Victor Zverovich | 2023-12-18 | 2023-12 | P2909R3 | LWG Library |
| P2918R2 | Runtime format strings II | Victor Zverovich | 2023-12-18 | 2023-12 | P2918R1 | LWG Library |
| P2932R2 | A Principled Approach to Open Design Questions for Contracts | Joshua Berne | 2023-11-14 | 2023-12 | P2932R1 | SG21 Contracts |
| P2933R1 | std::simd overloads for <bit> header | Daniel Towner | 2023-12-08 | 2023-12 | P2933R0 | SG1 Concurrency and Parallelism,LEWG Library Evolution |
| P2935R4 | An Attribute-Like Syntax for Contracts | Joshua Berne | 2023-11-05 | 2023-12 | P2935R3 | SG21 Contracts |
| P2952R1 | auto& operator=(X&&) = default | Arthur O'Dwyer | 2023-12-09 | 2023-12 | P2952R0 | EWG Evolution |
| P2961R2 | A natural syntax for Contracts | Timur Doumler | 2023-11-08 | 2023-12 | P2961R1 | SG21 Contracts |
| P2968R1 | Make std::ignore a first-class object | Peter Sommerlad | 2023-12-12 | 2023-12 | P2968R0 | LEWG Library Evolution,LWG Library |
| P2968R2 | Make std::ignore a first-class object | Peter Sommerlad | 2023-12-13 | 2023-12 | P2968R1 | LWG Library |
| P2969R0 | Contract annotations are potentially-throwing | Timur Doumler | 2023-12-04 | 2023-12 | SG21 Contracts | |
| P2977R0 | Module commands database format | Ben Boeckel | 2023-11-14 | 2023-12 | SG15 Tooling | |
| P2980R1 | A motivation, scope, and plan for a quantities and units library | Mateusz Pusz | 2023-11-28 | 2023-12 | P2980R0 | SG6 Numerics,SG23 Safety and Security,LEWG Library Evolution |
| P2981R1 | Improving our safety with a physical quantities and units library | Mateusz Pusz | 2023-11-08 | 2023-12 | P2981R0 | SG23 Safety and Security,LEWG Library Evolution |
| P2982R1 | `std::quantity` as a numeric type | Mateusz Pusz | 2023-11-08 | 2023-12 | P2982R0 | SG6 Numerics,LEWG Library Evolution |
| P2984R1 | Reconsider Redeclaring static constexpr Data Members | Alisdair Meredith | 2023-11-12 | 2023-12 | P2984R0 | EWG Evolution |
| P2996R1 | Reflection for C++26 | Barry Revzin | 2023-12-17 | 2023-12 | P2996R0 | EWG Evolution |
| P2999R1 | Sender Algorithm Customization | Eric Niebler | 2023-11-09 | 2023-12 | P2999R0 | LEWG Library Evolution |
| P2999R2 | Sender Algorithm Customization | Eric Niebler | 2023-12-12 | 2023-12 | P2999R1 | LEWG Library Evolution |
| P2999R3 | Sender Algorithm Customization | Eric Niebler | 2023-12-12 | 2023-12 | P2999R2 | LEWG Library Evolution |
| P3006R0 | Launder less | Antony Polukhin | 2023-10-19 | 2023-12 | SG12 Undefined and Unspecified Behavior,EWG Evolution,CWG Core | |
| P3007R0 | Return object semantics in postconditions | Timur Doumler | 2023-12-11 | 2023-12 | SG21 Contracts | |
| P3016R1 | Resolve inconsistencies in begin/end for valarray and braced initializer lists | Arthur O'Dwyer | 2023-12-09 | 2023-12 | P3016R0 | LEWGI SG18: LEWG Incubator |
| P3019R1 | Vocabulary Types for Composite Class Design | Jonathan Coe | 2023-11-08 | 2023-12 | P3019R0 | LEWG Library Evolution,LWG Library |
| P3019R2 | Vocabulary Types for Composite Class Design | Jonathan Coe | 2023-11-10 | 2023-12 | P3019R1 | LEWG Library Evolution,LWG Library |
| P3019R3 | Vocabulary Types for Composite Class Design | Jonathan Coe | 2023-11-20 | 2023-12 | P3019R2 | LEWG Library Evolution |
| P3022R1 | A Boring Thread Attributes Interface | David Sankel | 2023-11-28 | 2023-12 | P3022R0 | LEWG Library Evolution |
| P3023R1 | C++ Should Be C++ | David Sankel | 2023-11-27 | 2023-12 | P3023R0 | EWG Evolution,LEWG Library Evolution |
| P3024R0 | Interface Directions for std::simd | David Sankel | 2023-11-30 | 2023-12 | LEWG Library Evolution | |
| P3025R0 | SG14: Low Latency/Games/Embedded/Financial trading/Simulation virtual Minutes to 2023/09/12 | Michael Wong | 2023-10-15 | 2023-12 | SG14 Low Latency | |
| P3026R0 | SG19: Machine Learning virtual Meeting Minutes to 2023/07/13 | Michael Wong | 2023-10-15 | 2023-12 | SG19 Machine Learning | |
| P3027R0 | UFCS is a breaking change, of the absolutely worst kind | Ville Voutilainen | 2023-10-26 | 2023-12 | EWG Evolution | |
| P3028R0 | An Overview of Syntax Choices for Contracts | Joshua Berne | 2023-11-05 | 2023-12 | SG21 Contracts | |
| P3029R0 | Better mdspan's CTAD | Hewill Kang | 2023-10-23 | 2023-12 | LEWGI SG18: LEWG Incubator | |
| P3031R0 | Resolve CWG2561: conversion function for lambda with explicit object parameter | Arthur O'Dwyer | 2023-11-12 | 2023-12 | CWG Core | |
| P3033R0 | Should we import function bodies to get the better optimizations? | Chuanqi Xu | 2023-10-31 | 2023-12 | SG15 Tooling | |
| P3034R0 | Module Declarations Shouldn't be Macros | Michael Spencer | 2023-11-10 | 2023-12 | SG15 Tooling,EWG Evolution | |
| P3037R0 | constexpr std::shared_ptr | Paul Keir | 2023-11-06 | 2023-12 | SG7 Reflection,LEWG Library Evolution | |
| P3038R0 | Concrete suggestions for initial Profiles | Bjarne Stroustrup | 2023-12-16 | 2023-12 | SG23 Safety and Security | |
| P3039R0 | Automatically Generate `operator->` | David Stone | 2023-11-07 | 2023-12 | EWG Evolution,LEWG Library Evolution | |
| P3040R0 | C++ Standard Library Ready Issues to be moved in Kona, Nov. 2023 | Jonathan Wakely | 2023-12-18 | 2023-12 | All of WG21 | |
| P3041R0 | Transitioning from "#include" World to Modules | Gabriel Dos Reis | 2023-11-15 | 2023-12 | SG15 Tooling | |
| P3042R0 | Vocabulary Types for Composite Class Design | Jonathan Coe | 2023-11-08 | 2023-12 | LEWG Library Evolution | |
| P3043R0 | Slides: Using variable template template without meta programming | Zhihao Yuan | 2023-12-11 | 2023-12 | EWG Evolution | |
| P3046R0 | Core Language Working Group "ready" Issues for the November, 2023 meeting | Jens Maurer | 2023-12-18 | 2023-12 | CWG Core | |
| P3050R0 | Optimize linalg::conjugated for noncomplex value types | Mark Hoemmen | 2023-11-15 | 2023-12 | LEWG Library Evolution | |
| P3051R0 | Structured Response Files | René Ferdinand Rivera Morell | 2023-12-11 | 2023-12 | SG15 Tooling | |
| P3052R0 | view_interface::at() | Hewill Kang | 2023-11-16 | 2023-12 | SG9 Ranges,LEWGI SG18: LEWG Incubator,SG23 Safety and Security | |
| P3053R0 | 2023-12 Library Evolution Polls | Inbal Levi | 2023-12-15 | 2023-12 | All of WG21 | |
| P3055R0 | Relax wording to permit relocation optimizations in the STL | Arthur O'Dwyer | 2023-12-17 | 2023-12 | LEWGI SG18: LEWG Incubator | |
| P3056R0 | what ostream exception | Jarrad J. Waterloo | 2023-11-20 | 2023-12 | LEWG Library Evolution | |
| P3057R0 | Two finer-grained compilation model for named modules | Chuanqi Xu | 2023-11-21 | 2023-12 | SG15 Tooling | |
| P3059R0 | Making user-defined constructors of view iterators/sentinels private | Hewill Kang | 2023-11-30 | 2023-12 | SG9 Ranges,LEWG Library Evolution | |
| P3060R0 | Add std::ranges::upto(n) | Weile Wei | 2023-11-22 | 2023-12 | LEWG Library Evolution | |
| P3061R0 | WG21 2023-11 Kona Record of Discussion | Nina Ranns | 2023-11-28 | 2023-12 | All of WG21 | |
| P3062R0 | C++ Should Be C++ - Presentation | David Sankel | 2023-11-27 | 2023-12 | EWG Evolution,LEWG Library Evolution | |
| P3066R0 | Allow repeating contract annotations on non-first declarations | Timur Doumler | 2023-12-04 | 2023-12 | SG21 Contracts | |
| P3070R0 | Formatting enums | Victor Zverovich | 2023-12-14 | 2023-12 | SG16 Unicode | |
| P3071R0 | Protection against modifications in contracts | Jens Maurer | 2023-12-10 | 2023-12 | SG21 Contracts | |
| P3071R1 | Protection against modifications in contracts | Jens Maurer | 2023-12-17 | 2023-12 | P3071R0 | SG21 Contracts |
| P3072R0 | Hassle-free thread attributes | Zhihao Yuan | 2023-12-17 | 2023-12 | LEWG Library Evolution | |
| P3074R0 | constexpr union lifetime | Barry Revzin | 2023-12-15 | 2023-12 | EWG Evolution | |
| P3075R0 | Adding an Undefined Behavior and IFNDR Annex | Shafik Yaghmour | 2023-12-15 | 2023-12 | CWG Core |
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