The 2023-05 mailing of new standards papers is now available.
| WG21 Number | Title | Author | Document Date | Mailing Date | Previous Version | Subgroup |
|---|---|---|---|---|---|---|
| N4946 | 2024-03 Tokyo meeting information | JF Bastien | 2023-04-13 | 2023-05 | All of WG21 | |
| N4947 | INCITS C++/WG21 agenda: 12-17 June 2023, Varna, Bulgaria | John Spicer | 2023-05-02 | 2023-05 | All of WG21 | |
| N4948 | Working Draft, C++ Extensions for Library Fundamentals, Version 3 | Thomas Köppe | 2023-05-08 | 2023-05 | All of WG21 | |
| N4949 | Editor's Report: C++ Extensions for Library Fundamentals, Version 3 | Thomas Köppe | 2023-05-08 | 2023-05 | All of WG21 | |
| N4950 | Working Draft, Standard for Programming Language C++ | Thomas Köppe | 2023-05-10 | 2023-05 | All of WG21 | |
| N4951 | Editors' Report - Programming Languages - C++ | Thomas Köppe | 2023-05-10 | 2023-05 | All of WG21 | |
| N4953 | Concurrency TS2 | Michael Wong | 2023-05-15 | 2023-05 | All of WG21 | |
| N4954 | 2023 WG21 admin telecon meetings, rev. 1 | Herb Sutter | 2023-05-18 | 2023-05 | All of WG21 | |
| P0342R2 | pessimize_hint | Gonzalo Brito Gadeschi | 2023-05-16 | 2023-05 | P0342R1 | SG1 Concurrency and Parallelism |
| P0447R22 | Introduction of std::hive to the standard library | Matt Bentley | 2023-05-16 | 2023-05 | P0447R21 | SG14 Low Latency,LEWG Library Evolution,All of WG21 |
| P0843R6 | static_vector | Gonzalo Brito Gadeschi | 2023-05-18 | 2023-05 | P0843R5 | LEWG Library Evolution |
| P1000R5 | C++ IS schedule | Herb Sutter | 2023-05-10 | 2023-05 | P1000R4 | All of WG21 |
| P1028R5 | SG14 status_code and standard error object | Niall Douglas | 2023-05-11 | 2023-05 | P1028R4 | LEWG Library Evolution |
| P1061R5 | Structured Bindings can introduce a Pack | Barry Revzin | 2023-05-17 | 2023-05 | P1061R4 | EWG Evolution |
| P1068R7 | Vector API for random number generation | Ilya Burylov | 2023-05-17 | 2023-05 | P1068R6 | LEWG Library Evolution |
| P1112R4 | Language support for class layout control | Pal Balog | 2023-05-18 | 2023-05 | P1112R3 | EWG Evolution |
| P1144R8 | std::is_trivially_relocatable | Arthur O'Dwyer | 2023-05-14 | 2023-05 | P1144R7 | EWG Evolution,LEWG Library Evolution |
| P1684R5 | mdarray: An Owning Multidimensional Array Analog of mdspan | Christian Trott | 2023-05-19 | 2023-05 | P1684R4 | LEWG Library Evolution |
| P1759R6 | Native handles and file streams | Elias Kosunen | 2023-05-17 | 2023-05 | P1759R5 | LWG Library |
| P1885R12 | Naming Text Encodings to Demystify Them | Corentin Jabot | 2023-04-05 | 2023-05 | P1885R11 | LWG Library |
| P1901R2 | Enabling the Use of weak_ptr as Keys in Unordered Associative Containers | Daryl Haresign | 2023-04-05 | 2023-05 | P1901R1 | LWG Library |
| P1928R4 | std::simd - Merge data-parallel types from the Parallelism TS 2 | Matthias Kretz | 2023-05-19 | 2023-05 | P1928R3 | LEWG Library Evolution |
| P2019R3 | Thread attributes | Corentin Jabot | 2023-05-18 | 2023-05 | P2019R2 | LEWG Library Evolution |
| P2022R2 | Rangified version of lexicographical_compare_three_way | Ran Regev | 2023-05-10 | 2023-05 | P2022R1 | SG9 Ranges,LEWG Library Evolution |
| P2141R1 | Aggregates are named tuples | Antony Polukhin | 2023-05-03 | 2023-05 | P2141R0 | LEWG Library Evolution,LWG Library |
| P2300R7 | `std::execution` | Eric Niebler | 2023-04-21 | 2023-05 | P2300R6 | LEWG Library Evolution,LWG Library |
| P2447R4 | std::span over an initializer list | Arthur O'Dwyer | 2023-05-14 | 2023-05 | P2447R3 | LEWG Library Evolution |
| P2495R3 | Interfacing stringstreams with string_view | Michael Hava | 2023-04-19 | 2023-05 | P2495R2 | LWG Library |
| P2500R1 | C++ parallel algorithms and P2300 | Ruslan Arutyunyan | 2023-05-17 | 2023-05 | P2500R0 | SG1 Concurrency and Parallelism,LEWG Library Evolution |
| P2546R4 | Debugging Support | René Ferdinand Rivera Morell | 2023-05-20 | 2023-05 | P2546R3 | LEWG Library Evolution,LWG Library |
| P2548R5 | copyable_function | Michael Florian Hava | 2023-04-03 | 2023-05 | P2548R4 | LEWG Library Evolution,LWG Library |
| P2552R2 | On the ignorability of standard attributes | Timur Doumler | 2023-05-19 | 2023-05 | P2552R1 | EWG Evolution,CWG Core |
| P2561R2 | A control flow operator | Barry Revzin | 2023-05-18 | 2023-05 | P2561R1 | EWG Evolution |
| P2621R3 | UB? In my Lexer? | Corentin Jabot | 2023-05-18 | 2023-05 | P2621R2 | CWG Core |
| P2637R2 | Member visit | Barry Revzin | 2023-05-15 | 2023-05 | P2637R1 | LEWG Library Evolution |
| P2641R3 | Checking if a union alternative is active | Barry Revzin | 2023-05-15 | 2023-05 | P2641R2 | LEWG Library Evolution |
| P2643R1 | Improving C++ concurrency features | Gonzalo Brito Gadeschi | 2023-05-18 | 2023-05 | P2643R0 | SG1 Concurrency and Parallelism |
| P2654R0 | Modules and Macros | Alisdair Meredith | 2023-05-19 | 2023-05 | EWG Evolution,LEWG Library Evolution | |
| P2662R1 | Pack Indexing | Corentin Jabot | 2023-05-18 | 2023-05 | P2662R0 | EWG Evolution |
| P2663R2 | Proposal to support interleaved complex values in std::simd | Daniel Towner | 2023-04-28 | 2023-05 | P2663R1 | LEWG Library Evolution |
| P2663R3 | Proposal to support interleaved complex values in std::simd | Daniel Towner | 2023-05-17 | 2023-05 | P2663R2 | LEWG Library Evolution |
| P2664R2 | Proposal to extend std::simd with permutation API | Daniel Towner | 2023-04-28 | 2023-05 | P2664R1 | SG1 Concurrency and Parallelism,LEWG Library Evolution |
| P2664R3 | Proposal to extend std::simd with permutation API | Daniel Towner | 2023-05-17 | 2023-05 | P2664R2 | SG1 Concurrency and Parallelism,LEWG Library Evolution |
| P2685R1 | Language Support For Scoped Objects | Alisdair Meredith | 2023-05-19 | 2023-05 | P2685R0 | EWGI SG17: EWG Incubator |
| P2686R1 | constexpr structured bindings and references to constexpr variables | Corentin Jabot | 2023-05-18 | 2023-05 | P2686R0 | EWG Evolution,CWG Core |
| P2689R2 | atomic_accessor | Nevin Liber | 2023-05-25 | 2023-05 | P2689R1 | SG1 Concurrency and Parallelism,LEWG Library Evolution |
| P2717R1 | Tool Introspection | René Ferdinand Rivera Morell | 2023-05-17 | 2023-05 | P2717R0 | SG15 Tooling |
| P2727R2 | std::iterator_interface | Zach Laine | 2023-05-03 | 2023-05 | P2727R1 | LEWG Library Evolution |
| P2728R1 | Unicode in the Library, Part 1: UTF Transcoding | Zach Laine | 2023-05-04 | 2023-05 | P2728R0 | SG16 Unicode,LEWG Library Evolution |
| P2728R2 | Unicode in the Library, Part 1: UTF Transcoding | Zach Laine | 2023-05-10 | 2023-05 | P2728R1 | SG16 Unicode,LEWG Library Evolution |
| P2728R3 | Unicode in the Library, Part 1: UTF Transcoding | Zach Laine | 2023-05-10 | 2023-05 | P2728R2 | SG16 Unicode,LEWG Library Evolution |
| P2741R2 | user-generated static_assert messages | Corentin Jabot | 2023-05-11 | 2023-05 | P2741R1 | EWG Evolution |
| P2746R2 | Deprecate and Replace Fenv Rounding Modes | Hans Boehm | 2023-05-14 | 2023-05 | P2746R1 | SG6 Numerics,LEWG Library Evolution |
| P2748R1 | Disallow Binding a Returned Glvalue to a Temporary | Brian Bi | 2023-05-15 | 2023-05 | P2748R0 | EWG Evolution |
| P2752R2 | Static storage for braced initializers | Arthur O'Dwyer | 2023-05-14 | 2023-05 | P2752R1 | EWG Evolution,CWG Core |
| P2757R2 | Type checking format args | Barry Revzin | 2023-05-15 | 2023-05 | P2757R1 | LEWG Library Evolution |
| P2767R0 | flat_map/flat_set omnibus | Arthur O'Dwyer | 2023-05-14 | 2023-05 | LWG Library | |
| P2769R1 | get_element customization point object | Ruslan Arutyunyan | 2023-05-17 | 2023-05 | P2769R0 | SG9 Ranges,LEWG Library Evolution |
| P2771R1 | Towards memory safety in C++ | Thomas Neumann | 2023-05-17 | 2023-05 | P2771R0 | SG23 Safety and Security |
| P2774R0 | Scoped thread-local storage | Michael Florian Hava | 2023-05-10 | 2023-05 | SG1 Concurrency and Parallelism | |
| P2775R0 | 2023-05 Library Evolution Polls | Bryce Adelstein Lelbach | 2023-05-25 | 2023-05 | LEWG Library Evolution | |
| P2781R1 | std::constexpr_v | Zach Laine | 2023-05-04 | 2023-05 | P2781R0 | LEWG Library Evolution |
| P2781R2 | std::constexpr_v | Zach Laine | 2023-05-21 | 2023-05 | P2781R1 | LEWG Library Evolution |
| P2786R1 | Trivial relocatability options | Mungo Gill | 2023-05-19 | 2023-05 | P2786R0 | EWGI SG17: EWG Incubator,EWG Evolution |
| P2811R2 | Contract Violation Handlers | Joshua Berne | 2023-04-20 | 2023-05 | P2811R1 | SG21 Contracts |
| P2811R3 | Contract Violation Handlers | Joshua Berne | 2023-05-04 | 2023-05 | P2811R2 | SG21 Contracts |
| P2811R4 | Contract Violation Handlers | Joshua Berne | 2023-05-15 | 2023-05 | P2811R3 | SG21 Contracts |
| P2814R0 | Trivial Relocatability --- Comparing P1144 with P2786 | Mungo Gill | 2023-05-19 | 2023-05 | EWGI SG17: EWG Incubator,LEWGI SG18: LEWG Incubator | |
| P2821R1 | span.at() | Jarrad J. Waterloo | 2023-04-13 | 2023-05 | P2821R0 | SG23 Safety and Security,LEWG Library Evolution |
| P2828R1 | Copy elision for direct-initialization with a conversion function (Core issue 2327) | Brian Bi | 2023-05-11 | 2023-05 | P2828R0 | CWG Core |
| P2829R0 | Proposal of Contracts Supporting Const-On-Definition Style | Andrew Tomazos | 2023-04-12 | 2023-05 | SG21 Contracts | |
| P2831R0 | Functions having a narrow contract should not be noexcept | Timur Doumler | 2023-05-15 | 2023-05 | LEWG Library Evolution | |
| P2834R0 | Semantic Stability Across Contract-Checking Build Modes | Joshua Berne, John Lakos | 2023-05-15 | 2023-05 | SG21 Contracts | |
| P2835R0 | Expose std::atomic_ref's object address | Gonzalo Brito Gadeschi | 2023-05-18 | 2023-05 | SG1 Concurrency and Parallelism | |
| P2837R0 | Planning to Revisit the Lakos Rule | Alisdair Meredith | 2023-05-19 | 2023-05 | LEWG Library Evolution | |
| P2839R0 | Nontrivial relocation via a new "owning reference" type | Brian Bi | 2023-05-15 | 2023-05 | EWGI SG17: EWG Incubator | |
| P2841R0 | Concept Template Parameters | Corentin Jabot | 2023-05-18 | 2023-05 | EWG Evolution | |
| P2842R0 | Destructor Semantics Do Not Affect Constructible Traits | Alisdair Meredith | 2023-05-19 | 2023-05 | LWG Library | |
| P2843R0 | Preprocessing is never undefined | Alisdair Meredith | 2023-05-19 | 2023-05 | SG16 Unicode | |
| P2845R0 | Formatting of std::filesystem::path | Victor Zverovich | 2023-05-07 | 2023-05 | SG16 Unicode,LEWG Library Evolution | |
| P2846R0 | size_hint: Eagerly reserving memory for not-quite-sized lazy ranges | Corentin Jabot | 2023-05-11 | 2023-05 | SG9 Ranges | |
| P2848R0 | std::is_uniqued | Arthur O'Dwyer | 2023-04-24 | 2023-05 | LEWGI SG18: LEWG Incubator | |
| P2850R0 | Minimal Compiler Preserved Dependencies | Mark Batty | 2023-05-15 | 2023-05 | SG1 Concurrency and Parallelism | |
| P2852R0 | Contract violation handling semantics for the contracts MVP | Tom Honermann | 2023-04-24 | 2023-05 | SG21 Contracts | |
| P2853R0 | Proposal of std::contract_violation | Andrew Tomazos | 2023-05-10 | 2023-05 | SG21 Contracts | |
| P2855R0 | Member customization points for Senders and Receivers | Ville Voutilainen | 2023-05-18 | 2023-05 | LEWG Library Evolution | |
| P2857R0 | P2596R0 Critique | Matt Bentley | 2023-04-28 | 2023-05 | All of WG21 | |
| P2858R0 | Noexcept vs contract violations | Andrzej Krzemieński | 2023-05-12 | 2023-05 | SG21 Contracts | |
| P2861R0 | The Lakos Rule: Narrow Contracts And `noexcept` Are Inherently Incompatible | John Lakos | 2023-05-18 | 2023-05 | SG21 Contracts,EWG Evolution,LEWG Library Evolution | |
| P2862R0 | text_encoding::name() should never return null values | Daniel Krügler | 2023-05-09 | 2023-05 | LEWG Library Evolution,LWG Library | |
| P2863R0 | Review Annex D for C++26 | Alisdair Meredith | 2023-05-19 | 2023-05 | EWG Evolution,LEWG Library Evolution | |
| P2864R0 | Remove Deprecated Arithmetic Conversion on Enumerations From C++26 | Alisdair Meredith | 2023-05-19 | 2023-05 | EWG Evolution | |
| P2865R0 | Remove Deprecated Array Comparisons from C++26 | Alisdair Meredith | 2023-05-19 | 2023-05 | EWG Evolution | |
| P2866R0 | Remove Deprecated Volatile Features From C++26 | Alisdair Meredith | 2023-05-19 | 2023-05 | EWG Evolution | |
| P2867R0 | Remove Deprecated strstreams From C++26 | Alisdair Meredith | 2023-05-19 | 2023-05 | LEWG Library Evolution | |
| P2868R0 | Remove Deprecated `std::allocator` Typedef From C++26 | Alisdair Meredith | 2023-05-19 | 2023-05 | LEWG Library Evolution | |
| P2869R0 | Remove Deprecated `shared_ptr` Atomic Access APIs From C++26 | Alisdair Meredith | 2023-05-19 | 2023-05 | SG1 Concurrency and Parallelism | |
| P2870R0 | Remove `basic_string::reserve()` From C++26 | Alisdair Meredith | 2023-05-19 | 2023-05 | LEWG Library Evolution | |
| P2871R0 | Remove Deprecated Unicode Conversion Facets From C++26 | Alisdair Meredith | 2023-05-19 | 2023-05 | SG16 Unicode | |
| P2872R0 | Remove `wstring_convert` From C++26 | Alisdair Meredith | 2023-05-19 | 2023-05 | LEWG Library Evolution | |
| P2873R0 | Remove Deprecated locale category facets for Unicode from C++26 | Alisdair Meredith | 2023-05-19 | 2023-05 | SG16 Unicode | |
| P2874R0 | Mandating Annex D | Alisdair Meredith | 2023-05-19 | 2023-05 | LWG Library | |
| P2875R0 | Undeprecate `polymorphic_allocator::destroy` For C++26 | Alisdair Meredith | 2023-05-19 | 2023-05 | LEWG Library Evolution | |
| P2876R0 | Proposal to extend std::simd with more constructors and accessors | Daniel Towner | 2023-05-18 | 2023-05 | LEWG Library Evolution | |
| P2878R0 | Reference checking | Jarrad J. Waterloo | 2023-05-10 | 2023-05 | SG23 Safety and Security | |
| P2878R1 | Reference checking | Jarrad J. Waterloo | 2023-05-18 | 2023-05 | P2878R0 | SG23 Safety and Security |
| P2880R0 | Algorithm-like vs std::simd based RNG API | Ilya Burylov | 2023-05-18 | 2023-05 | LEWG Library Evolution | |
| P2881R0 | Generator-based for loop | Jonathan Müller | 2023-05-18 | 2023-05 | EWGI SG17: EWG Incubator,EWG Evolution | |
| P2882R0 | An Event Model for C++ Executors | Detlef Vollmann | 2023-05-11 | 2023-05 | SG1 Concurrency and Parallelism | |
| P2883R0 | `offsetof` Should Be A Keyword In C++26 | Alisdair Meredith | 2023-05-19 | 2023-05 | EWGI SG17: EWG Incubator | |
| P2884R0 | `assert` Should Be A Keyword In C++26 | Alisdair Meredith | 2023-05-19 | 2023-05 | EWGI SG17: EWG Incubator,SG21 Contracts,SG22 Compatability | |
| P2886R0 | Concurrency TS2 Editor's report | Michael Wong | 2023-05-15 | 2023-05 | All of WG21 | |
| P2887R0 | SG14: Low Latency/Games/Embedded/Finance/Simulation virtual meeting minutes to 2023/05/11 | Michael Wong | 2023-05-15 | 2023-05 | SG14 Low Latency | |
| P2888R0 | SG19: Machine Learning Virtual Meeting Minutes to 2023/05/12 | Michael Wong | 2023-05-15 | 2023-05 | SG19 Machine Learning | |
| P2889R0 | Distributed Arrays | Lauri Vasama | 2023-05-15 | 2023-05 | EWGI SG17: EWG Incubator,EWG Evolution | |
| P2891R0 | SG16: Unicode meeting summaries 2023-01-11 through 2023-05-10 | Tom Honermann | 2023-05-16 | 2023-05 | SG16 Unicode | |
| P2892R0 | std::simd Types Should be Regular | David Sankel | 2023-05-18 | 2023-05 | LEWG Library Evolution | |
| P2893R0 | Variadic Friends | Jody Hagins | 2023-05-19 | 2023-05 | EWGI SG17: EWG Incubator | |
| P2895R0 | noncopyable and nonmoveable utility classes | Sebastian Theophil | 2023-05-17 | 2023-05 | LEWG Library Evolution | |
| P2897R0 | aligned_accessor: An mdspan accessor expressing pointer overalignment | Mark Hoemmen | 2023-05-18 | 2023-05 | LEWGI SG18: LEWG Incubator | |
| P2898R0 | Importable Headers are Not Universally Implementable | Daniel Ruoso | 2023-05-18 | 2023-05 | SG15 Tooling | |
| P2901R0 | Extending linear algebra support to batched operations | Mark Hoemmen | 2023-05-19 | 2023-05 | SG6 Numerics,LEWGI SG18: LEWG Incubator,SG19 Machine Learning |
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