| "Paper #","Paper Name","Meeting","Status","First released version","Notes" |
| "`P0463R1 <https://wg21.link/P0463R1>`__","Endian just Endian","2017-07 (Toronto)","|Complete|","7","`#103999 <https://github.com/llvm/llvm-project/issues/103999>`__","" |
| "`P0674R1 <https://wg21.link/P0674R1>`__","Extending make_shared to Support Arrays","2017-07 (Toronto)","|Complete|","15","`#104000 <https://github.com/llvm/llvm-project/issues/104000>`__","" |
| "","","","","","" |
| "`P0020R6 <https://wg21.link/P0020R6>`__","Floating Point Atomic","2017-11 (Albuquerque)","|Complete|","18","`#104001 <https://github.com/llvm/llvm-project/issues/104001>`__","The feature-test macro was not set until LLVM 20." |
| "`P0053R7 <https://wg21.link/P0053R7>`__","C++ Synchronized Buffered Ostream","2017-11 (Albuquerque)","|Complete|","18","`#104002 <https://github.com/llvm/llvm-project/issues/104002>`__","" |
| "`P0202R3 <https://wg21.link/P0202R3>`__","Add constexpr modifiers to functions in <algorithm> and <utility> Headers","2017-11 (Albuquerque)","|Complete|","12","`#104003 <https://github.com/llvm/llvm-project/issues/104003>`__","" |
| "`P0415R1 <https://wg21.link/P0415R1>`__","Constexpr for ``std::complex``\ ","2017-11 (Albuquerque)","|Complete|","16","`#104004 <https://github.com/llvm/llvm-project/issues/104004>`__","" |
| "`P0439R0 <https://wg21.link/P0439R0>`__","Make ``std::memory_order``\ a scoped enumeration","2017-11 (Albuquerque)","|Complete|","","`#104005 <https://github.com/llvm/llvm-project/issues/104005>`__","" |
| "`P0457R2 <https://wg21.link/P0457R2>`__","String Prefix and Suffix Checking","2017-11 (Albuquerque)","|Complete|","6","`#104006 <https://github.com/llvm/llvm-project/issues/104006>`__","" |
| "`P0550R2 <https://wg21.link/P0550R2>`__","Transformation Trait ``remove_cvref``\ ","2017-11 (Albuquerque)","|Complete|","6","`#104007 <https://github.com/llvm/llvm-project/issues/104007>`__","" |
| "`P0600R1 <https://wg21.link/P0600R1>`__","nodiscard in the Library","2017-11 (Albuquerque)","|Complete|","16","`#104010 <https://github.com/llvm/llvm-project/issues/104010>`__","" |
| "`P0616R0 <https://wg21.link/P0616R0>`__","de-pessimize legacy <numeric> algorithms with std::move","2017-11 (Albuquerque)","|Complete|","12","`#104011 <https://github.com/llvm/llvm-project/issues/104011>`__","" |
| "`P0653R2 <https://wg21.link/P0653R2>`__","Utility to convert a pointer to a raw pointer","2017-11 (Albuquerque)","|Complete|","6","`#104012 <https://github.com/llvm/llvm-project/issues/104012>`__","" |
| "`P0718R2 <https://wg21.link/P0718R2>`__","Atomic shared_ptr","2017-11 (Albuquerque)","","","`#99980 <https://github.com/llvm/llvm-project/issues/99980>`__","" |
| "`P0767R1 <https://wg21.link/P0767R1>`__","Deprecate POD","2017-11 (Albuquerque)","|Complete|","21","`#104013 <https://github.com/llvm/llvm-project/issues/104013>`__","It was previously erroneously marked as complete in LLVM 7." |
| "`P0768R1 <https://wg21.link/P0768R1>`__","Library Support for the Spaceship (Comparison) Operator","2017-11 (Albuquerque)","|Complete|","","`#104014 <https://github.com/llvm/llvm-project/issues/104014>`__","" |
| "`P0777R1 <https://wg21.link/P0777R1>`__","Treating Unnecessary ``decay``\ ","2017-11 (Albuquerque)","|Complete|","7","`#104016 <https://github.com/llvm/llvm-project/issues/104016>`__","" |
| "","","","","","" |
| "`P0122R7 <https://wg21.link/P0122R7>`__","<span>","2018-03 (Jacksonville)","|Complete|","7","`#104017 <https://github.com/llvm/llvm-project/issues/104017>`__","" |
| "`P0355R7 <https://wg21.link/P0355R7>`__","Extending chrono to Calendars and Time Zones","2018-03 (Jacksonville)","|Partial|","","`#99982 <https://github.com/llvm/llvm-project/issues/99982>`__","See the `Github issue <https://github.com/llvm/llvm-project/issues/99982>`__ for detailed status" |
| "`P0551R3 <https://wg21.link/P0551R3>`__","Thou Shalt Not Specialize ``std``\ Function Templates!","2018-03 (Jacksonville)","|Complete|","11","`#104018 <https://github.com/llvm/llvm-project/issues/104018>`__","" |
| "`P0753R2 <https://wg21.link/P0753R2>`__","Manipulators for C++ Synchronized Buffered Ostream","2018-03 (Jacksonville)","","","`#99983 <https://github.com/llvm/llvm-project/issues/99983>`__","" |
| "`P0754R2 <https://wg21.link/P0754R2>`__","<version>","2018-03 (Jacksonville)","|Complete|","7","`#104021 <https://github.com/llvm/llvm-project/issues/104021>`__","" |
| "`P0809R0 <https://wg21.link/P0809R0>`__","Comparing Unordered Containers","2018-03 (Jacksonville)","|Nothing To Do|","","`#104022 <https://github.com/llvm/llvm-project/issues/104022>`__","" |
| "`P0858R0 <https://wg21.link/P0858R0>`__","Constexpr iterator requirements","2018-03 (Jacksonville)","|Complete|","12","`#104024 <https://github.com/llvm/llvm-project/issues/104024>`__","" |
| "`P0905R1 <https://wg21.link/P0905R1>`__","Symmetry for spaceship","2018-03 (Jacksonville)","|Complete|","7","`#104025 <https://github.com/llvm/llvm-project/issues/104025>`__","" |
| "`P0966R1 <https://wg21.link/P0966R1>`__","``string::reserve``\ Should Not Shrink","2018-03 (Jacksonville)","|Complete|","12","`#104026 <https://github.com/llvm/llvm-project/issues/104026>`__","It was previously erroneously marked as complete in version 8. See `bug 45368 <https://llvm.org/PR45368>`__" |
| "","","","","","" |
| "`P0019R8 <https://wg21.link/P0019R8>`__","Atomic Ref","2018-06 (Rapperswil)","|Complete|","19","`#104028 <https://github.com/llvm/llvm-project/issues/104028>`__","" |
| "`P0458R2 <https://wg21.link/P0458R2>`__","Checking for Existence of an Element in Associative Containers","2018-06 (Rapperswil)","|Complete|","13","`#104029 <https://github.com/llvm/llvm-project/issues/104029>`__","" |
| "`P0475R1 <https://wg21.link/P0475R1>`__","LWG 2511: guaranteed copy elision for piecewise construction","2018-06 (Rapperswil)","|Complete|","","`#104031 <https://github.com/llvm/llvm-project/issues/104031>`__","" |
| "`P0476R2 <https://wg21.link/P0476R2>`__","Bit-casting object representations","2018-06 (Rapperswil)","|Complete|","14","`#104087 <https://github.com/llvm/llvm-project/issues/104087>`__","" |
| "`P0528R3 <https://wg21.link/P0528R3>`__","The Curious Case of Padding Bits, Featuring Atomic Compare-and-Exchange","2018-06 (Rapperswil)","","","`#99984 <https://github.com/llvm/llvm-project/issues/99984>`__","" |
| "`P0542R5 <https://wg21.link/P0542R5>`__","Support for contract based programming in C++","2018-06 (Rapperswil)","|Nothing To Do|","n/a","`#104089 <https://github.com/llvm/llvm-project/issues/104089>`__","Pulled at the 2019-07 meeting in Cologne" |
| "`P0556R3 <https://wg21.link/P0556R3>`__","Integral power-of-2 operations","2018-06 (Rapperswil)","|Complete|","9","`#104090 <https://github.com/llvm/llvm-project/issues/104090>`__","" |
| "`P0619R4 <https://wg21.link/P0619R4>`__","Reviewing Deprecated Facilities of C++17 for C++20","2018-06 (Rapperswil)","|Complete|","20","`#99985 <https://github.com/llvm/llvm-project/issues/99985>`__","Removed headers are still provided as an extension, but with deprecation warnings." |
| "`P0646R1 <https://wg21.link/P0646R1>`__","Improving the Return Value of Erase-Like Algorithms","2018-06 (Rapperswil)","|Complete|","10","`#104091 <https://github.com/llvm/llvm-project/issues/104091>`__","" |
| "`P0722R3 <https://wg21.link/P0722R3>`__","Efficient sized delete for variable sized classes","2018-06 (Rapperswil)","|Complete|","9","`#104092 <https://github.com/llvm/llvm-project/issues/104092>`__","" |
| "`P0758R1 <https://wg21.link/P0758R1>`__","Implicit conversion traits and utility functions","2018-06 (Rapperswil)","|Complete|","","`#104093 <https://github.com/llvm/llvm-project/issues/104093>`__","" |
| "`P0759R1 <https://wg21.link/P0759R1>`__","fpos Requirements","2018-06 (Rapperswil)","|Complete|","11","`#104094 <https://github.com/llvm/llvm-project/issues/104094>`__","" |
| "`P0769R2 <https://wg21.link/P0769R2>`__","Add shift to <algorithm>","2018-06 (Rapperswil)","|Complete|","12","`#104095 <https://github.com/llvm/llvm-project/issues/104095>`__","" |
| "`P0788R3 <https://wg21.link/P0788R3>`__","Standard Library Specification in a Concepts and Contracts World","2018-06 (Rapperswil)","|Nothing To Do|","n/a","`#104096 <https://github.com/llvm/llvm-project/issues/104096>`__","Pulled at the 2019-07 meeting in Cologne" |
| "`P0879R0 <https://wg21.link/P0879R0>`__","Constexpr for swap and swap related functions Also resolves LWG issue 2800.","2018-06 (Rapperswil)","|Complete|","13","`#104097 <https://github.com/llvm/llvm-project/issues/104097>`__","" |
| "`P0887R1 <https://wg21.link/P0887R1>`__","The identity metafunction","2018-06 (Rapperswil)","|Complete|","8","`#104099 <https://github.com/llvm/llvm-project/issues/104099>`__","" |
| "`P0892R2 <https://wg21.link/P0892R2>`__","P0892R2: explicit(bool)","2018-06 (Rapperswil)","|Nothing To Do|","","`#100597 <https://github.com/llvm/llvm-project/issues/100597>`__","" |
| "`P0898R3 <https://wg21.link/P0898R3>`__","Standard Library Concepts","2018-06 (Rapperswil)","|Complete|","13","`#104100 <https://github.com/llvm/llvm-project/issues/104100>`__","" |
| "`P0935R0 <https://wg21.link/P0935R0>`__","Eradicating unnecessarily explicit default constructors from the standard library","2018-06 (Rapperswil)","|Complete|","12","`#104101 <https://github.com/llvm/llvm-project/issues/104101>`__","" |
| "`P0941R2 <https://wg21.link/P0941R2>`__","Integrating feature-test macros into the C++ WD","2018-06 (Rapperswil)","|In Progress|","","`#99986 <https://github.com/llvm/llvm-project/issues/99986>`__","" |
| "`P1023R0 <https://wg21.link/P1023R0>`__","constexpr comparison operators for std::array","2018-06 (Rapperswil)","|Complete|","8","`#104103 <https://github.com/llvm/llvm-project/issues/104103>`__","" |
| "`P1025R1 <https://wg21.link/P1025R1>`__","Update The Reference To The Unicode Standard","2018-06 (Rapperswil)","","","`#100598 <https://github.com/llvm/llvm-project/issues/100598>`__","" |
| "`P1120R0 <https://wg21.link/P1120R0>`__","Consistency improvements for <=> and other comparison operators","2018-06 (Rapperswil)","","","`#99989 <https://github.com/llvm/llvm-project/issues/99989>`__","" |
| "","","","","","" |
| "`P0318R1 <https://wg21.link/P0318R1>`__","unwrap_ref_decay and unwrap_reference","2018-11 (San Diego)","|Complete|","8","`#104105 <https://github.com/llvm/llvm-project/issues/104105>`__","" |
| "`P0356R5 <https://wg21.link/P0356R5>`__","Simplified partial function application","2018-11 (San Diego)","|Complete|","13","`#104106 <https://github.com/llvm/llvm-project/issues/104106>`__","" |
| "`P0357R3 <https://wg21.link/P0357R3>`__","reference_wrapper for incomplete types","2018-11 (San Diego)","|Complete|","8","`#104107 <https://github.com/llvm/llvm-project/issues/104107>`__","" |
| "`P0482R6 <https://wg21.link/P0482R6>`__","char8_t: A type for UTF-8 characters and strings","2018-11 (San Diego)","|Complete|","16","`#104108 <https://github.com/llvm/llvm-project/issues/104108>`__","" |
| "`P0487R1 <https://wg21.link/P0487R1>`__","Fixing ``operator>>(basic_istream&, CharT*)``\ (LWG 2499)","2018-11 (San Diego)","|Complete|","8","`#104110 <https://github.com/llvm/llvm-project/issues/104110>`__","" |
| "`P0591R4 <https://wg21.link/P0591R4>`__","Utility functions to implement uses-allocator construction","2018-11 (San Diego)","|Partial|","","`#99990 <https://github.com/llvm/llvm-project/issues/99990>`__","The changes in [mem.poly.allocator.mem] are missing" |
| "`P0595R2 <https://wg21.link/P0595R2>`__","std::is_constant_evaluated()","2018-11 (San Diego)","|Complete|","9","`#104111 <https://github.com/llvm/llvm-project/issues/104111>`__","" |
| "`P0602R4 <https://wg21.link/P0602R4>`__","variant and optional should propagate copy/move triviality","2018-11 (San Diego)","|Complete|","8","`#104112 <https://github.com/llvm/llvm-project/issues/104112>`__","" |
| "`P0608R3 <https://wg21.link/P0608R3>`__","A sane variant converting constructor","2018-11 (San Diego)","|Complete|","9","`#104113 <https://github.com/llvm/llvm-project/issues/104113>`__","" |
| "`P0655R1 <https://wg21.link/P0655R1>`__","visit<R>: Explicit Return Type for visit","2018-11 (San Diego)","|Complete|","12","`#104115 <https://github.com/llvm/llvm-project/issues/104115>`__","" |
| "`P0771R1 <https://wg21.link/P0771R1>`__","std::function move constructor should be noexcept","2018-11 (San Diego)","|Complete|","6","`#104116 <https://github.com/llvm/llvm-project/issues/104116>`__","" |
| "`P0896R4 <https://wg21.link/P0896R4>`__","The One Ranges Proposal","2018-11 (San Diego)","|Complete|","15","`#104118 <https://github.com/llvm/llvm-project/issues/104118>`__","" |
| "`P0899R1 <https://wg21.link/P0899R1>`__","P0899R1 - LWG 3016 is not a defect","2018-11 (San Diego)","|Nothing To Do|","","`#104120 <https://github.com/llvm/llvm-project/issues/104120>`__","" |
| "`P0919R3 <https://wg21.link/P0919R3>`__","Heterogeneous lookup for unordered containers","2018-11 (San Diego)","|Complete|","12","`#104122 <https://github.com/llvm/llvm-project/issues/104122>`__","" |
| "`P0972R0 <https://wg21.link/P0972R0>`__","<chrono> ``zero()``\ , ``min()``\ , and ``max()``\ should be noexcept","2018-11 (San Diego)","|Complete|","8","`#104123 <https://github.com/llvm/llvm-project/issues/104123>`__","" |
| "`P1006R1 <https://wg21.link/P1006R1>`__","Constexpr in std::pointer_traits","2018-11 (San Diego)","|Complete|","8","`#104124 <https://github.com/llvm/llvm-project/issues/104124>`__","" |
| "`P1007R3 <https://wg21.link/P1007R3>`__","``std::assume_aligned``\ ","2018-11 (San Diego)","|Complete|","15","`#104125 <https://github.com/llvm/llvm-project/issues/104125>`__","" |
| "`P1020R1 <https://wg21.link/P1020R1>`__","Smart pointer creation with default initialization","2018-11 (San Diego)","|Complete|","16","`#104126 <https://github.com/llvm/llvm-project/issues/104126>`__","The feature-test macro was not set until LLVM 20." |
| "`P1032R1 <https://wg21.link/P1032R1>`__","Misc constexpr bits","2018-11 (San Diego)","|Complete|","13","`#104127 <https://github.com/llvm/llvm-project/issues/104127>`__","" |
| "`P1085R2 <https://wg21.link/P1085R2>`__","Should Span be Regular?","2018-11 (San Diego)","|Complete|","8","`#104128 <https://github.com/llvm/llvm-project/issues/104128>`__","" |
| "`P1123R0 <https://wg21.link/P1123R0>`__","Editorial Guidance for merging P0019r8 and P0528r3","2018-11 (San Diego)","","","`#99991 <https://github.com/llvm/llvm-project/issues/99991>`__","" |
| "`P1148R0 <https://wg21.link/P1148R0>`__","Cleaning up Clause 20","2018-11 (San Diego)","","","`#99992 <https://github.com/llvm/llvm-project/issues/99992>`__","" |
| "`P1165R1 <https://wg21.link/P1165R1>`__","Make stateful allocator propagation more consistent for ``operator+(basic_string)``\ ","2018-11 (San Diego)","|Complete|","15","`#104129 <https://github.com/llvm/llvm-project/issues/104129>`__","" |
| "`P1209R0 <https://wg21.link/P1209R0>`__","Adopt Consistent Container Erasure from Library Fundamentals 2 for C++20","2018-11 (San Diego)","|Complete|","8","`#104130 <https://github.com/llvm/llvm-project/issues/104130>`__","" |
| "`P1210R0 <https://wg21.link/P1210R0>`__","P1210R0: Completing the Rebase of Library Fundamentals, Version 3, Working Draft","2018-11 (San Diego)","|Nothing To Do|","","`#100612 <https://github.com/llvm/llvm-project/issues/100612>`__","" |
| "`P1236R1 <https://wg21.link/P1236R1>`__","Alternative Wording for P0907R4 Signed Integers are Two's Complement","2018-11 (San Diego)","","","`#99994 <https://github.com/llvm/llvm-project/issues/99994>`__","" |
| "`P1248R1 <https://wg21.link/P1248R1>`__","Remove CommonReference requirement from StrictWeakOrdering (a.k.a Fixing Relations)","2018-11 (San Diego)","|Complete|","13","`#104131 <https://github.com/llvm/llvm-project/issues/104131>`__","" |
| "`P1285R0 <https://wg21.link/P1285R0>`__","Improving Completeness Requirements for Type Traits","2018-11 (San Diego)","","","`#99995 <https://github.com/llvm/llvm-project/issues/99995>`__","" |
| "`P1353R0 <https://wg21.link/P1353R0>`__","Missing feature test macros","2018-11 (San Diego)","|Complete|","19","`#100006 <https://github.com/llvm/llvm-project/issues/100006>`__","" |
| "","","","","","" |
| "`P0339R6 <https://wg21.link/P0339R6>`__","polymorphic_allocator<> as a vocabulary type","2019-02 (Kona)","|Complete|","16","`#104132 <https://github.com/llvm/llvm-project/issues/104132>`__","" |
| "`P0340R3 <https://wg21.link/P0340R3>`__","Making std::underlying_type SFINAE-friendly","2019-02 (Kona)","|Complete|","9","`#104133 <https://github.com/llvm/llvm-project/issues/104133>`__","" |
| "`P0738R2 <https://wg21.link/P0738R2>`__","I Stream, You Stream, We All Stream for istream_iterator","2019-02 (Kona)","","","`#100007 <https://github.com/llvm/llvm-project/issues/100007>`__","" |
| "`P0811R3 <https://wg21.link/P0811R3>`__","Well-behaved interpolation for numbers and pointers","2019-02 (Kona)","|Complete|","9","`#104134 <https://github.com/llvm/llvm-project/issues/104134>`__","" |
| "`P0920R2 <https://wg21.link/P0920R2>`__","Precalculated hash values in lookup","2019-02 (Kona)","|Nothing To Do|","","`#104135 <https://github.com/llvm/llvm-project/issues/104135>`__","Reverted by `P1661 <https://wg21.link/P1661>`__" |
| "`P1001R2 <https://wg21.link/P1001R2>`__","Target Vectorization Policies from Parallelism V2 TS to C++20","2019-02 (Kona)","|Complete|","17","`#104136 <https://github.com/llvm/llvm-project/issues/104136>`__","" |
| "`P1024R3 <https://wg21.link/P1024R3>`__","Usability Enhancements for std::span","2019-02 (Kona)","|Complete|","9","`#104137 <https://github.com/llvm/llvm-project/issues/104137>`__","" |
| "`P1164R1 <https://wg21.link/P1164R1>`__","Make create_directory() Intuitive","2019-02 (Kona)","|Complete|","12","`#104138 <https://github.com/llvm/llvm-project/issues/104138>`__","" |
| "`P1227R2 <https://wg21.link/P1227R2>`__","Signed ssize() functions, unsigned size() functions","2019-02 (Kona)","|Complete|","9","`#104139 <https://github.com/llvm/llvm-project/issues/104139>`__","" |
| "`P1252R2 <https://wg21.link/P1252R2>`__","Ranges Design Cleanup","2019-02 (Kona)","|Complete|","15","`#104140 <https://github.com/llvm/llvm-project/issues/104140>`__","" |
| "`P1286R2 <https://wg21.link/P1286R2>`__","Contra CWG DR1778","2019-02 (Kona)","","","`#100009 <https://github.com/llvm/llvm-project/issues/100009>`__","" |
| "`P1357R1 <https://wg21.link/P1357R1>`__","Traits for [Un]bounded Arrays","2019-02 (Kona)","|Complete|","9","`#104141 <https://github.com/llvm/llvm-project/issues/104141>`__","" |
| "`P1458R1 <https://wg21.link/P1458R1>`__","Mandating the Standard Library: Clause 16 - Language support library","2019-02 (Kona)","|Complete|","9","`#104142 <https://github.com/llvm/llvm-project/issues/104142>`__","" |
| "`P1459R1 <https://wg21.link/P1459R1>`__","Mandating the Standard Library: Clause 18 - Diagnostics library","2019-02 (Kona)","|Complete|","9","`#104143 <https://github.com/llvm/llvm-project/issues/104143>`__","" |
| "`P1462R1 <https://wg21.link/P1462R1>`__","Mandating the Standard Library: Clause 20 - Strings library","2019-02 (Kona)","|Complete|","9","`#104145 <https://github.com/llvm/llvm-project/issues/104145>`__","" |
| "`P1463R1 <https://wg21.link/P1463R1>`__","Mandating the Standard Library: Clause 21 - Containers library","2019-02 (Kona)","","","`#100010 <https://github.com/llvm/llvm-project/issues/100010>`__","" |
| "`P1464R1 <https://wg21.link/P1464R1>`__","Mandating the Standard Library: Clause 22 - Iterators library","2019-02 (Kona)","|Complete|","9","`#104147 <https://github.com/llvm/llvm-project/issues/104147>`__","" |
| "","","","","","" |
| "`P0325R4 <https://wg21.link/P0325R4>`__","to_array from LFTS with updates","2019-07 (Cologne)","|Complete|","10","`#104149 <https://github.com/llvm/llvm-project/issues/104149>`__","" |
| "`P0408R7 <https://wg21.link/P0408R7>`__","Efficient Access to basic_stringbuf's Buffer","2019-07 (Cologne)","|Complete|","17","`#104150 <https://github.com/llvm/llvm-project/issues/104150>`__","" |
| "`P0466R5 <https://wg21.link/P0466R5>`__","Layout-compatibility and Pointer-interconvertibility Traits","2019-07 (Cologne)","","","`#100013 <https://github.com/llvm/llvm-project/issues/100013>`__","" |
| "`P0553R4 <https://wg21.link/P0553R4>`__","Bit operations","2019-07 (Cologne)","|Complete|","9","`#104151 <https://github.com/llvm/llvm-project/issues/104151>`__","" |
| "`P0631R8 <https://wg21.link/P0631R8>`__","Math Constants","2019-07 (Cologne)","|Complete|","11","`#104152 <https://github.com/llvm/llvm-project/issues/104152>`__","" |
| "`P0645R10 <https://wg21.link/P0645R10>`__","Text Formatting","2019-07 (Cologne)","|Complete|","14","`#104153 <https://github.com/llvm/llvm-project/issues/104153>`__","The implementation was complete since LLVM 14, but the feature-test macro was not set until LLVM 19" |
| "`P0660R10 <https://wg21.link/P0660R10>`__","Stop Token and Joining Thread, Rev 10.","2019-07 (Cologne)","|Complete|","20","`#104154 <https://github.com/llvm/llvm-project/issues/104154>`__","The feature was implemented since LLVM 18 but was guarded behind ``-fexperimental-library``." |
| "`P0784R7 <https://wg21.link/P0784R7>`__","More constexpr containers","2019-07 (Cologne)","|Complete|","12","`#104156 <https://github.com/llvm/llvm-project/issues/104156>`__","" |
| "`P0980R1 <https://wg21.link/P0980R1>`__","Making std::string constexpr","2019-07 (Cologne)","|Complete|","15","`#104157 <https://github.com/llvm/llvm-project/issues/104157>`__","" |
| "`P1004R2 <https://wg21.link/P1004R2>`__","Making std::vector constexpr","2019-07 (Cologne)","|Complete|","15","`#104158 <https://github.com/llvm/llvm-project/issues/104158>`__","" |
| "`P1035R7 <https://wg21.link/P1035R7>`__","Input Range Adaptors","2019-07 (Cologne)","|Complete|","16","`#104159 <https://github.com/llvm/llvm-project/issues/104159>`__","" |
| "`P1065R2 <https://wg21.link/P1065R2>`__","Constexpr INVOKE","2019-07 (Cologne)","|Complete|","12","`#104160 <https://github.com/llvm/llvm-project/issues/104160>`__","" |
| "`P1135R6 <https://wg21.link/P1135R6>`__","The C++20 Synchronization Library","2019-07 (Cologne)","|Complete|","11","`#104161 <https://github.com/llvm/llvm-project/issues/104161>`__","" |
| "`P1207R4 <https://wg21.link/P1207R4>`__","Movability of Single-pass Iterators","2019-07 (Cologne)","|Complete|","15","`#104162 <https://github.com/llvm/llvm-project/issues/104162>`__","" |
| "`P1208R6 <https://wg21.link/P1208R6>`__","Adopt source_location for C++20","2019-07 (Cologne)","|Complete|","16","`#104163 <https://github.com/llvm/llvm-project/issues/104163>`__","" |
| "`P1355R2 <https://wg21.link/P1355R2>`__","Exposing a narrow contract for ceil2","2019-07 (Cologne)","|Complete|","9","`#104164 <https://github.com/llvm/llvm-project/issues/104164>`__","" |
| "`P1361R2 <https://wg21.link/P1361R2>`__","Integration of chrono with text formatting","2019-07 (Cologne)","|Complete|","21","`#100014 <https://github.com/llvm/llvm-project/issues/100014>`__","" |
| "`P1423R3 <https://wg21.link/P1423R3>`__","char8_t backward compatibility remediation","2019-07 (Cologne)","|Complete|","15","`#104165 <https://github.com/llvm/llvm-project/issues/104165>`__","" |
| "`P1424R1 <https://wg21.link/P1424R1>`__","'constexpr' feature macro concerns","2019-07 (Cologne)","|Nothing To Do|","","`#104166 <https://github.com/llvm/llvm-project/issues/104166>`__","Superseded by `P1902 <https://wg21.link/P1902>`__" |
| "`P1466R3 <https://wg21.link/P1466R3>`__","Miscellaneous minor fixes for chrono","2019-07 (Cologne)","|Partial|","","`#100015 <https://github.com/llvm/llvm-project/issues/100015>`__","" |
| "`P1474R1 <https://wg21.link/P1474R1>`__","Helpful pointers for ContiguousIterator","2019-07 (Cologne)","|Complete|","15","`#104167 <https://github.com/llvm/llvm-project/issues/104167>`__","" |
| "`P1502R1 <https://wg21.link/P1502R1>`__","Standard library header units for C++20","2019-07 (Cologne)","","","`#100016 <https://github.com/llvm/llvm-project/issues/100016>`__","" |
| "`P1522R1 <https://wg21.link/P1522R1>`__","Iterator Difference Type and Integer Overflow","2019-07 (Cologne)","|Complete|","15","`#104169 <https://github.com/llvm/llvm-project/issues/104169>`__","" |
| "`P1523R1 <https://wg21.link/P1523R1>`__","Views and Size Types","2019-07 (Cologne)","|Complete|","15","`#104170 <https://github.com/llvm/llvm-project/issues/104170>`__","" |
| "`P1612R1 <https://wg21.link/P1612R1>`__","Relocate Endian's Specification","2019-07 (Cologne)","|Complete|","10","`#104172 <https://github.com/llvm/llvm-project/issues/104172>`__","" |
| "`P1614R2 <https://wg21.link/P1614R2>`__","The Mothership has Landed","2019-07 (Cologne)","|Complete|","19","`#100018 <https://github.com/llvm/llvm-project/issues/100018>`__","``std::strong_order(long double, long double)`` is partly implemented." |
| "`P1638R1 <https://wg21.link/P1638R1>`__","basic_istream_view::iterator should not be copyable","2019-07 (Cologne)","|Complete|","16","`#104173 <https://github.com/llvm/llvm-project/issues/104173>`__","" |
| "`P1643R1 <https://wg21.link/P1643R1>`__","Add wait/notify to atomic_ref","2019-07 (Cologne)","|Complete|","19","`#104174 <https://github.com/llvm/llvm-project/issues/104174>`__","" |
| "`P1644R0 <https://wg21.link/P1644R0>`__","Add wait/notify to atomic<shared_ptr>","2019-07 (Cologne)","","","`#100019 <https://github.com/llvm/llvm-project/issues/100019>`__","" |
| "`P1650R0 <https://wg21.link/P1650R0>`__","Output std::chrono::days with 'd' suffix","2019-07 (Cologne)","|Complete|","16","`#104175 <https://github.com/llvm/llvm-project/issues/104175>`__","" |
| "`P1651R0 <https://wg21.link/P1651R0>`__","bind_front should not unwrap reference_wrapper","2019-07 (Cologne)","|Complete|","13","`#104176 <https://github.com/llvm/llvm-project/issues/104176>`__","" |
| "`P1652R1 <https://wg21.link/P1652R1>`__","Printf corner cases in std::format","2019-07 (Cologne)","|Complete|","14","`#104177 <https://github.com/llvm/llvm-project/issues/104177>`__","" |
| "`P1661R1 <https://wg21.link/P1661R1>`__","Remove dedicated precalculated hash lookup interface","2019-07 (Cologne)","|Nothing To Do|","","`#104178 <https://github.com/llvm/llvm-project/issues/104178>`__","" |
| "`P1754R1 <https://wg21.link/P1754R1>`__","Rename concepts to standard_case for C++20, while we still can","2019-07 (Cologne)","|Complete|","15","`#104179 <https://github.com/llvm/llvm-project/issues/104179>`__","" |
| "","","","","","" |
| "`P0883R2 <https://wg21.link/P0883R2>`__","Fixing Atomic Initialization","2019-11 (Belfast)","|Complete|","14","`#104180 <https://github.com/llvm/llvm-project/issues/104180>`__","shared_ptr and floating-point changes weren't applied as they themselves aren't implemented yet. Also, ``ATOMIC_FLAG_INIT`` was marked deprecated in version 14, but was undeprecated with the implementation of LWG3659 in version 15." |
| "`P1391R4 <https://wg21.link/P1391R4>`__","Range constructor for std::string_view","2019-11 (Belfast)","|Complete|","14","`#104181 <https://github.com/llvm/llvm-project/issues/104181>`__","" |
| "`P1394R4 <https://wg21.link/P1394R4>`__","Range constructor for std::span","2019-11 (Belfast)","|Complete|","14","`#104182 <https://github.com/llvm/llvm-project/issues/104182>`__","" |
| "`P1456R1 <https://wg21.link/P1456R1>`__","Move-only views","2019-11 (Belfast)","|Complete|","15","`#104183 <https://github.com/llvm/llvm-project/issues/104183>`__","" |
| "`P1622R3 <https://wg21.link/P1622R3>`__","Mandating the Standard Library: Clause 32 - Thread support library","2019-11 (Belfast)","","","`#100020 <https://github.com/llvm/llvm-project/issues/100020>`__","" |
| "`P1645R1 <https://wg21.link/P1645R1>`__","constexpr for numeric algorithms","2019-11 (Belfast)","|Complete|","12","`#104184 <https://github.com/llvm/llvm-project/issues/104184>`__","" |
| "`P1686R2 <https://wg21.link/P1686R2>`__","Mandating the Standard Library: Clause 27 - Time library","2019-11 (Belfast)","","","`#100021 <https://github.com/llvm/llvm-project/issues/100021>`__","" |
| "`P1690R1 <https://wg21.link/P1690R1>`__","Refinement Proposal for P0919 Heterogeneous lookup for unordered containers","2019-11 (Belfast)","|Complete|","12","`#104185 <https://github.com/llvm/llvm-project/issues/104185>`__","" |
| "`P1716R3 <https://wg21.link/P1716R3>`__","ranges compare algorithm are over-constrained","2019-11 (Belfast)","|Complete|","15","`#104186 <https://github.com/llvm/llvm-project/issues/104186>`__","" |
| "`P1718R2 <https://wg21.link/P1718R2>`__","Mandating the Standard Library: Clause 25 - Algorithms library","2019-11 (Belfast)","","","`#100022 <https://github.com/llvm/llvm-project/issues/100022>`__","" |
| "`P1719R2 <https://wg21.link/P1719R2>`__","Mandating the Standard Library: Clause 26 - Numerics library","2019-11 (Belfast)","","","`#100023 <https://github.com/llvm/llvm-project/issues/100023>`__","" |
| "`P1720R2 <https://wg21.link/P1720R2>`__","Mandating the Standard Library: Clause 28 - Localization library","2019-11 (Belfast)","","","`#100025 <https://github.com/llvm/llvm-project/issues/100025>`__","" |
| "`P1721R2 <https://wg21.link/P1721R2>`__","Mandating the Standard Library: Clause 29 - Input/Output library","2019-11 (Belfast)","","","`#100026 <https://github.com/llvm/llvm-project/issues/100026>`__","" |
| "`P1722R2 <https://wg21.link/P1722R2>`__","Mandating the Standard Library: Clause 30 - Regular Expression library","2019-11 (Belfast)","","","`#100027 <https://github.com/llvm/llvm-project/issues/100027>`__","" |
| "`P1723R2 <https://wg21.link/P1723R2>`__","Mandating the Standard Library: Clause 31 - Atomics library","2019-11 (Belfast)","","","`#100029 <https://github.com/llvm/llvm-project/issues/100029>`__","" |
| "`P1855R0 <https://wg21.link/P1855R0>`__","Make ``<compare>``\ freestanding","2019-11 (Belfast)","","","`#100030 <https://github.com/llvm/llvm-project/issues/100030>`__","" |
| "`P1862R1 <https://wg21.link/P1862R1>`__","Ranges adaptors for non-copyable iterators","2019-11 (Belfast)","|Complete|","16","`#104187 <https://github.com/llvm/llvm-project/issues/104187>`__","" |
| "`P1865R1 <https://wg21.link/P1865R1>`__","Add max() to latch and barrier","2019-11 (Belfast)","|Complete|","11","`#104188 <https://github.com/llvm/llvm-project/issues/104188>`__","" |
| "`P1869R1 <https://wg21.link/P1869R1>`__","Rename 'condition_variable_any' interruptible wait methods","2019-11 (Belfast)","|Complete|","18","`#100031 <https://github.com/llvm/llvm-project/issues/100031>`__","" |
| "`P1870R1 <https://wg21.link/P1870R1>`__","forwarding-range is too subtle","2019-11 (Belfast)","|Complete|","15","`#104190 <https://github.com/llvm/llvm-project/issues/104190>`__","" |
| "`P1871R1 <https://wg21.link/P1871R1>`__","Concept traits should be named after concepts","2019-11 (Belfast)","|Complete|","14","`#104191 <https://github.com/llvm/llvm-project/issues/104191>`__","" |
| "`P1872R0 <https://wg21.link/P1872R0>`__","span should have size_type, not index_type","2019-11 (Belfast)","|Complete|","10","`#104192 <https://github.com/llvm/llvm-project/issues/104192>`__","" |
| "`P1878R1 <https://wg21.link/P1878R1>`__","Constraining Readable Types","2019-11 (Belfast)","|Complete|","15","`#104194 <https://github.com/llvm/llvm-project/issues/104194>`__","" |
| "`P1892R1 <https://wg21.link/P1892R1>`__","Extended locale-specific presentation specifiers for std::format","2019-11 (Belfast)","|Complete|","14","`#104196 <https://github.com/llvm/llvm-project/issues/104196>`__","" |
| "`P1902R1 <https://wg21.link/P1902R1>`__","Missing feature-test macros 2018-2019","2019-11 (Belfast)","","","`#100032 <https://github.com/llvm/llvm-project/issues/100032>`__","" |
| "`P1959R0 <https://wg21.link/P1959R0>`__","Remove std::weak_equality and std::strong_equality","2019-11 (Belfast)","|Nothing To Do|","","`#104198 <https://github.com/llvm/llvm-project/issues/104198>`__","" |
| "`P1960R0 <https://wg21.link/P1960R0>`__","NB Comment Changes Reviewed by SG1","2019-11 (Belfast)","","","`#100033 <https://github.com/llvm/llvm-project/issues/100033>`__","" |
| "`P1961R0 <https://wg21.link/P1961R0>`__","Harmonizing the definitions of total order for pointers","2019-11 (Belfast)","","","`#100611 <https://github.com/llvm/llvm-project/issues/100611>`__","" |
| "`P1965R0 <https://wg21.link/P1965R0>`__","Blanket Wording for Specifying ""Hidden Friends""","2019-11 (Belfast)","","","`#100034 <https://github.com/llvm/llvm-project/issues/100034>`__","" |
| "","","","","","" |
| "`P0586R2 <https://wg21.link/P0586R2>`__","Safe integral comparisons","2020-02 (Prague)","|Complete|","13","`#104199 <https://github.com/llvm/llvm-project/issues/104199>`__","" |
| "`P0593R6 <https://wg21.link/P0593R6>`__","Implicit creation of objects for low-level object manipulation","2020-02 (Prague)","","","`#100035 <https://github.com/llvm/llvm-project/issues/100035>`__","" |
| "`P1115R3 <https://wg21.link/P1115R3>`__","Improving the Return Value of Erase-Like Algorithms II: Free erase/erase if","2020-02 (Prague)","|Complete|","11","`#104200 <https://github.com/llvm/llvm-project/issues/104200>`__","" |
| "`P1243R4 <https://wg21.link/P1243R4>`__","Rangify New Algorithms","2020-02 (Prague)","|Complete|","15","`#104201 <https://github.com/llvm/llvm-project/issues/104201>`__","" |
| "`P1460R1 <https://wg21.link/P1460R1>`__","Mandating the Standard Library: Clause 20 - Utilities library","2020-02 (Prague)","","","`#100037 <https://github.com/llvm/llvm-project/issues/100037>`__","" |
| "`P1739R4 <https://wg21.link/P1739R4>`__","Avoid template bloat for safe_ranges in combination with ""subrange-y"" view adaptors","2020-02 (Prague)","|Complete|","15","`#104202 <https://github.com/llvm/llvm-project/issues/104202>`__","" |
| "`P1831R1 <https://wg21.link/P1831R1>`__","Deprecating volatile: library","2020-02 (Prague)","","","`#100038 <https://github.com/llvm/llvm-project/issues/100038>`__","" |
| "`P1868R2 <https://wg21.link/P1868R2>`__","width: clarifying units of width and precision in std::format","2020-02 (Prague)","|Complete|","14","`#104203 <https://github.com/llvm/llvm-project/issues/104203>`__","" |
| "`P1956R1 <https://wg21.link/P1956R1>`__","On the names of low-level bit manipulation functions","2020-02 (Prague)","|Complete|","12","`#104204 <https://github.com/llvm/llvm-project/issues/104204>`__","" |
| "`P1957R2 <https://wg21.link/P1957R2>`__","Converting from ``T*``\ to bool should be considered narrowing (re: US 212)","2020-02 (Prague)","|Complete|","18","`#104205 <https://github.com/llvm/llvm-project/issues/104205>`__","" |
| "`P1963R0 <https://wg21.link/P1963R0>`__","P1963R0: Fixing US 313","2020-02 (Prague)","|Nothing To Do|","","`#100039 <https://github.com/llvm/llvm-project/issues/100039>`__","" |
| "`P1964R2 <https://wg21.link/P1964R2>`__","Wording for boolean-testable","2020-02 (Prague)","|Complete|","13","`#104206 <https://github.com/llvm/llvm-project/issues/104206>`__","" |
| "`P1970R2 <https://wg21.link/P1970R2>`__","Consistency for size() functions: Add ranges::ssize","2020-02 (Prague)","|Complete|","15","`#104207 <https://github.com/llvm/llvm-project/issues/104207>`__","" |
| "`P1973R1 <https://wg21.link/P1973R1>`__","Rename ""_default_init"" Functions, Rev1","2020-02 (Prague)","|Complete|","16","`#104208 <https://github.com/llvm/llvm-project/issues/104208>`__","The feature-test macro was not set until LLVM 20." |
| "`P1976R2 <https://wg21.link/P1976R2>`__","Fixed-size span construction from dynamic range","2020-02 (Prague)","|Complete|","11","`#104209 <https://github.com/llvm/llvm-project/issues/104209>`__","" |
| "`P1981R0 <https://wg21.link/P1981R0>`__","Rename leap to leap_second","2020-02 (Prague)","|Complete|","19","`#104210 <https://github.com/llvm/llvm-project/issues/104210>`__","" |
| "`P1982R0 <https://wg21.link/P1982R0>`__","Rename link to time_zone_link","2020-02 (Prague)","|Complete|","19","`#104211 <https://github.com/llvm/llvm-project/issues/104211>`__","" |
| "`P1983R0 <https://wg21.link/P1983R0>`__","Wording for GB301, US296, US292, US291, and US283","2020-02 (Prague)","|Complete|","15","`#104212 <https://github.com/llvm/llvm-project/issues/104212>`__","" |
| "`P1994R1 <https://wg21.link/P1994R1>`__","elements_view needs its own sentinel","2020-02 (Prague)","|Complete|","16","`#104213 <https://github.com/llvm/llvm-project/issues/104213>`__","" |
| "`P2002R1 <https://wg21.link/P2002R1>`__","Defaulted comparison specification cleanups","2020-02 (Prague)","|Complete|","7","`#100615 <https://github.com/llvm/llvm-project/issues/100615>`__","" |
| "`P2045R1 <https://wg21.link/P2045R1>`__","P2045R1: Missing Mandates for the standard library","2020-02 (Prague)","|Nothing To Do|","","`#100041 <https://github.com/llvm/llvm-project/issues/100041>`__","" |
| "`P2085R0 <https://wg21.link/P2085R0>`__","Consistent defaulted comparisons","2020-02 (Prague)","","","`#100617 <https://github.com/llvm/llvm-project/issues/100617>`__","" |
| "`P2091R0 <https://wg21.link/P2091R0>`__","Issues with range access CPOs","2020-02 (Prague)","|Complete|","15","`#104214 <https://github.com/llvm/llvm-project/issues/104214>`__","" |
| "`P2101R0 <https://wg21.link/P2101R0>`__","P2101R0: 'Models' subsumes 'satisfies' (Wording for US298 and US300)","2020-02 (Prague)","|Nothing To Do|","","`#100618 <https://github.com/llvm/llvm-project/issues/100618>`__","" |
| "`P2102R0 <https://wg21.link/P2102R0>`__","Make 'implicit expression variations' more explicit (Wording for US185)","2020-02 (Prague)","|Complete|","15","`#100042 <https://github.com/llvm/llvm-project/issues/100042>`__","" |
| "`P2106R0 <https://wg21.link/P2106R0>`__","Alternative wording for GB315 and GB316","2020-02 (Prague)","|Complete|","15","`#104215 <https://github.com/llvm/llvm-project/issues/104215>`__","" |
| "`P2116R0 <https://wg21.link/P2116R0>`__","Remove tuple-like protocol support from fixed-extent span","2020-02 (Prague)","|Complete|","11","`#104216 <https://github.com/llvm/llvm-project/issues/104216>`__","" |
| "","","","","","" |
| "`P2231R1 <https://wg21.link/P2231R1>`__","Missing constexpr in std::optional and std::variant","2021-06 (Virtual)","|Complete|","19","`#104217 <https://github.com/llvm/llvm-project/issues/104217>`__","Changes of feature-test macros are completed in LLVM 20." |
| "`P2325R3 <https://wg21.link/P2325R3>`__","Views should not be required to be default constructible","2021-06 (Virtual)","|Complete|","16","`#104218 <https://github.com/llvm/llvm-project/issues/104218>`__","" |
| "`P2210R2 <https://wg21.link/P2210R2>`__","Superior String Splitting","2021-06 (Virtual)","|Complete|","16","`#104219 <https://github.com/llvm/llvm-project/issues/104219>`__","" |
| "`P2216R3 <https://wg21.link/P2216R3>`__","std::format improvements","2021-06 (Virtual)","|Complete|","15","`#104220 <https://github.com/llvm/llvm-project/issues/104220>`__","" |
| "`P2281R1 <https://wg21.link/P2281R1>`__","Clarifying range adaptor objects","2021-06 (Virtual)","|Complete|","14","`#104221 <https://github.com/llvm/llvm-project/issues/104221>`__","" |
| "`P2328R1 <https://wg21.link/P2328R1>`__","join_view should join all views of ranges","2021-06 (Virtual)","|Complete|","15","`#104222 <https://github.com/llvm/llvm-project/issues/104222>`__","" |
| "`P2367R0 <https://wg21.link/P2367R0>`__","Remove misuses of list-initialization from Clause 24","2021-06 (Virtual)","|Complete|","15","`#104223 <https://github.com/llvm/llvm-project/issues/104223>`__","" |
| "","","","","","" |
| "`P2372R3 <https://wg21.link/P2372R3>`__","Fixing locale handling in chrono formatters","2021-10 (Virtual)","|Complete|","21","`#100043 <https://github.com/llvm/llvm-project/issues/100043>`__","" |
| "`P2415R2 <https://wg21.link/P2415R2>`__","What is a ``view``","2021-10 (Virtual)","|Complete|","14","`#104224 <https://github.com/llvm/llvm-project/issues/104224>`__","" |
| "`P2418R2 <https://wg21.link/P2418R2>`__","Add support for ``std::generator``-like types to ``std::format``","2021-10 (Virtual)","|Complete|","15","`#104225 <https://github.com/llvm/llvm-project/issues/104225>`__","" |
| "`P2432R1 <https://wg21.link/P2432R1>`__","Fix ``istream_view``","2021-10 (Virtual)","|Complete|","16","`#104226 <https://github.com/llvm/llvm-project/issues/104226>`__","" |
