"Paper #","Paper Name","Meeting","Status","First released version","Notes" "`P2497R0 `__","Testing for success or failure of ```` functions","2023-06 (Varna)","|Complete|","18","" "`P2592R3 `__","Hashing support for ``std::chrono`` value classes","2023-06 (Varna)","","","" "`P2587R3 `__","``to_string`` or not ``to_string``","2023-06 (Varna)","","","" "`P2562R1 `__","``constexpr`` Stable Sorting","2023-06 (Varna)","|Complete|","21","" "`P2545R4 `__","Read-Copy Update (RCU)","2023-06 (Varna)","","","" "`P2530R3 `__","Hazard Pointers for C++26","2023-06 (Varna)","","","" "`P2538R1 `__","ADL-proof ``std::projected``","2023-06 (Varna)","|Complete|","18","" "`P2495R3 `__","Interfacing ``stringstream``\s with ``string_view``","2023-06 (Varna)","|Complete|","19","" "`P2510R3 `__","Formatting pointers","2023-06 (Varna)","|Complete|","17","Implemented as a DR against C++20. (MSVC STL and libstdc++ will do the same.)" "`P2198R7 `__","Freestanding Feature-Test Macros and Implementation-Defined Extensions","2023-06 (Varna)","","","" "`P2338R4 `__","Freestanding Library: Character primitives and the C library","2023-06 (Varna)","","","" "`P2013R5 `__","Freestanding Language: Optional ``::operator new``","2023-06 (Varna)","","","" "`P2363R5 `__","Extending associative containers with the remaining heterogeneous overloads","2023-06 (Varna)","","","" "`P1901R2 `__","Enabling the Use of ``weak_ptr`` as Keys in Unordered Associative Containers","2023-06 (Varna)","","","" "`P1885R12 `__","Naming Text Encodings to Demystify Them","2023-06 (Varna)","","","" "`P0792R14 `__","``function_ref``: a type-erased callable reference","2023-06 (Varna)","","","" "`P2874R2 `__","P2874R2: Mandating Annex D Require No More","2023-06 (Varna)","|Complete|","12","" "`P2757R3 `__","Type-checking format args","2023-06 (Varna)","","","" "`P2637R3 `__","Member ``visit``","2023-06 (Varna)","|Complete|","19","Change of ``__cpp_lib_variant`` is completed in LLVM 20. Change of ``__cpp_lib_format`` is blocked by `P2419R2 `__." "`P2641R4 `__","Checking if a ``union`` alternative is active","2023-06 (Varna)","","","" "`P1759R6 `__","Native handles and file streams","2023-06 (Varna)","|Complete|","18","" "`P2697R1 `__","Interfacing ``bitset`` with ``string_view``","2023-06 (Varna)","|Complete|","18","" "`P1383R2 `__","More ``constexpr`` for ```` and ````","2023-06 (Varna)","","","" "`P2734R0 `__","Adding the new SI prefixes","2023-06 (Varna)","|Complete|","17","" "`P2548R6 `__","``copyable_function``","2023-06 (Varna)","","","" "`P2714R1 `__","Bind front and back to NTTP callables","2023-06 (Varna)","|Partial|","20","" "`P2630R4 `__","``submdspan``","2023-06 (Varna)","","","" "","","","","","" "`P0543R3 `__","Saturation arithmetic","2023-11 (Kona)","|Complete|","18","" "`P2407R5 `__","Freestanding Library: Partial Classes","2023-11 (Kona)","","","" "`P2546R5 `__","Debugging Support","2023-11 (Kona)","","","" "`P2905R2 `__","Runtime format strings","2023-11 (Kona)","|Complete|","18","" "`P2918R2 `__","Runtime format strings II","2023-11 (Kona)","|Complete|","18","" "`P2909R4 `__","Fix formatting of code units as integers (Dude, where’s my ``char``?)","2023-11 (Kona)","|Complete|","18","" "`P0952R2 `__","A new specification for ``std::generate_canonical``","2023-11 (Kona)","","","" "`P2447R6 `__","``std::span`` over an initializer list","2023-11 (Kona)","|Complete|","18","" "`P2821R5 `__","``span.at()``","2023-11 (Kona)","|Complete|","18","" "`P2868R3 `__","Remove Deprecated ``std::allocator`` Typedef From C++26","2023-11 (Kona)","|Complete|","18","" "`P2870R3 `__","Remove ``basic_string::reserve()`` From C++26","2023-11 (Kona)","|Complete|","18","" "`P2871R3 `__","Remove Deprecated Unicode Conversion Facets from C++26","2023-11 (Kona)","|Complete|","18","" "`P2819R2 `__","Add tuple protocol to complex","2023-11 (Kona)","|Complete|","19","" "`P2937R0 `__","Freestanding: Remove ``strtok``","2023-11 (Kona)","","","" "`P2833R2 `__","Freestanding Library: inout expected span","2023-11 (Kona)","","","" "`P2836R1 `__","``std::basic_const_iterator`` should follow its underlying type's convertibility","2023-11 (Kona)","","","" "`P2264R7 `__","Make ``assert()`` macro user friendly for C and C++","2023-11 (Kona)","","","" "`P1673R13 `__","A free function linear algebra interface based on the BLAS","2023-11 (Kona)","","","" "","","","","","" "`P2875R4 `__","Undeprecate ``polymorphic_allocator::destroy`` for C++26","2024-03 (Tokyo)","|Complete|","15","" "`P2867R2 `__","Remove Deprecated ``strstreams`` From C++26","2024-03 (Tokyo)","|Complete|","19","" "`P2869R4 `__","Remove Deprecated ``shared_ptr`` Atomic Access APIs from C++26","2024-03 (Tokyo)","","","" "`P2872R3 `__","Remove ``wstring_convert`` From C++26","2024-03 (Tokyo)","|Complete|","19","" "`P3107R5 `__","Permit an efficient implementation of ``std::print``","2024-03 (Tokyo)","","","" "`P3142R0 `__","Printing Blank Lines with ``println``","2024-03 (Tokyo)","|Complete|","19","Implemented as a DR against C++23. (MSVC STL and libstdc++ will do the same.)" "`P2845R8 `__","Formatting of ``std::filesystem::path``","2024-03 (Tokyo)","","","" "`P0493R5 `__","Atomic minimum/maximum","2024-03 (Tokyo)","","","" "`P2542R8 `__","``views::concat``","2024-03 (Tokyo)","","","" "`P2591R5 `__","Concatenation of strings and string views","2024-03 (Tokyo)","|Complete|","19","" "`P2248R8 `__","Enabling list-initialization for algorithms","2024-03 (Tokyo)","","","" "`P2810R4 `__","``is_debugger_present`` ``is_replaceable``","2024-03 (Tokyo)","","","" "`P1068R11 `__","Vector API for random number generation","2024-03 (Tokyo)","","","" "`P2944R3 `__","Comparisons for ``reference_wrapper``","2024-03 (Tokyo)","|Partial|","","The changes to ``tuple``'s equality overload from P2165R4 are not yet implemented." "`P2642R6 `__","Padded ``mdspan`` layouts","2024-03 (Tokyo)","","","" "`P3029R1 `__","Better ``mdspan``'s CTAD","2024-03 (Tokyo)","|Complete|","19","" "","","","","","" "`P2747R2 `__","``constexpr`` placement new","2024-06 (St. Louis)","|Complete|","20","" "`P2997R1 `__","Removing the common reference requirement from the indirectly invocable concepts","2024-06 (St. Louis)","|Complete|","19","Implemented as a DR against C++20. (MSVC STL and libstdc++ will do the same.)" "`P2389R2 `__","``dextents`` Index Type Parameter","2024-06 (St. Louis)","|Complete|","19","" "`P3168R2 `__","Give ``std::optional`` Range Support","2024-06 (St. Louis)","","","" "`P3217R0 `__","Adjoints to 'Enabling list-initialization for algorithms': find_last","2024-06 (St. Louis)","","","" "`P2985R0 `__","A type trait for detecting virtual base classes","2024-06 (St. Louis)","|Complete|","20","" "`P0843R14 `__","``inplace_vector``","2024-06 (St. Louis)","","","" "`P3235R3 `__","``std::print`` more types faster with less memory","2024-06 (St. Louis)","","","" "`P2968R2 `__","Make ``std::ignore`` a first-class object","2024-06 (St. Louis)","|Complete|","19","" "`P2075R6 `__","Philox as an extension of the C++ RNG engines","2024-06 (St. Louis)","","","" "`P2422R1 `__","Remove ``nodiscard`` annotations from the standard library specification","2024-06 (St. Louis)","|Complete|","19","``nodiscard`` attributes were kept as a conforming extension" "`P2300R10 `__","``std::execution``","2024-06 (St. Louis)","","","" "","","","","","" "`P3136R1 `__","Retiring niebloids","2024-11 (Wrocław)","|Complete|","14","" "`P3138R5 `__","``views::cache_latest``","2024-11 (Wrocław)","","","" "`P3379R0 `__","Constrain ``std::expected`` equality operators","2024-11 (Wrocław)","|Complete|","21","" "`P2862R1 `__","``text_encoding::name()`` should never return null values","2024-11 (Wrocław)","","","" "`P2897R7 `__","``aligned_accessor``: An ``mdspan`` accessor expressing pointer over-alignment","2024-11 (Wrocław)","|Complete|","21","" "`P3355R1 `__","Fix ``submdspan`` for C++26","2024-11 (Wrocław)","","","" "`P3222R0 `__","Fix C++26 by adding transposed special cases for P2642 layouts","2024-11 (Wrocław)","","","" "`P3050R2 `__","Fix C++26 by optimizing ``linalg::conjugated`` for noncomplex value types","2024-11 (Wrocław)","","","" "`P3396R1 `__","``std::execution`` wording fixes","2024-11 (Wrocław)","","","" "`P2835R7 `__","Expose ``std::atomic_ref``'s object address","2024-11 (Wrocław)","","","" "`P3323R1 `__","cv-qualified types in ``atomic`` and ``atomic_ref``","2024-11 (Wrocław)","","","" "`P3508R0 `__","Wording for ""constexpr for specialized memory algorithms""","2024-11 (Wrocław)","","","" "`P3369R0 `__","constexpr for ``uninitialized_default_construct``","2024-11 (Wrocław)","","","" "`P3370R1 `__","Add new library headers from C23","2024-11 (Wrocław)","","","" "`P3309R3 `__","constexpr ``atomic`` and ``atomic_ref``","2024-11 (Wrocław)","","","" "`P1928R15 `__","``std::simd`` — merge data-parallel types from the Parallelism TS 2","2024-11 (Wrocław)","","","" "`P3325R5 `__","A Utility for Creating Execution Environments","2024-11 (Wrocław)","","","" "`P3068R6 `__","Allowing exception throwing in constant-evaluation","2024-11 (Wrocław)","","","" "`P3247R2 `__","Deprecate the notion of trivial types","2024-11 (Wrocław)","|Complete|","21","" "","","","","","" "`P3074R7 `__","trivial unions (was ``std::uninitialized``)","2025-02 (Hagenberg)","","","" "`P1494R5 `__","Partial program correctness","2025-02 (Hagenberg)","","","" "`P2900R14 `__","Contracts for C++","2025-02 (Hagenberg)","","","" "`P3475R2 `__","Defang and deprecate ``memory_order::consume``","2025-02 (Hagenberg)","","","" "`P2786R13 `__","Trivial Relocatability For C++26","2025-02 (Hagenberg)","","","" "`P3137R3 `__","``views::to_input``","2025-02 (Hagenberg)","","","" "`P0472R3 `__","Put ``std::monostate`` in ````","2025-02 (Hagenberg)","|Complete|","21","" "`P3349R1 `__","Converting contiguous iterators to pointers","2025-02 (Hagenberg)","","","" "`P3372R3 `__","constexpr containers and adaptors","2025-02 (Hagenberg)","|In Progress|","","" "`P3378R2 `__","constexpr exception types","2025-02 (Hagenberg)","","","" "`P3441R2 `__","Rename ``simd_split`` to ``simd_chunk``","2025-02 (Hagenberg)","","","" "`P3287R3 `__","Exploration of namespaces for ``std::simd``","2025-02 (Hagenberg)","","","" "`P2976R1 `__","Freestanding Library: ``algorithm``, ``numeric``, and ``random``","2025-02 (Hagenberg)","","","" "`P3430R3 `__","simd issues: explicit, unsequenced, identity-element position, and members of disabled simd","2025-02 (Hagenberg)","","","" "`P2663R7 `__","Interleaved complex values support in ``std::simd``","2025-02 (Hagenberg)","","","" "`P2933R4 `__","Extend ```` header function with overloads for ``std::simd``","2025-02 (Hagenberg)","","","" "`P2846R6 `__","``reserve_hint``: Eagerly reserving memory for not-quite-sized lazy ranges","2025-02 (Hagenberg)","","","" "`P3471R4 `__","Standard Library Hardening","2025-02 (Hagenberg)","","","" "`P0447R28 `__","Introduction of ``std::hive`` to the standard library","2025-02 (Hagenberg)","","","" "`P3019R14 `__","``indirect`` and ``polymorphic``: Vocabulary Types for Composite Class Design","2025-02 (Hagenberg)","","","" "","","","","","" "`P2996R13 `__","Reflection for C++26","2025-06 (Sofia)","","","" "`P3394R4 `__","Annotations for Reflection","2025-06 (Sofia)","","","" "`P3293R3 `__","Splicing a base class subobject","2025-06 (Sofia)","","","" "`P3491R3 `__","``define_static_{string,object,array}``","2025-06 (Sofia)","","","" "`P3096R12 `__","Function Parameter Reflection in Reflection for C++26","2025-06 (Sofia)","","","" "`P2988R12 `__","``std::optional``","2025-06 (Sofia)","","","" "`P3348R4 `__","C++26 should refer to C23 not C17","2025-06 (Sofia)","","","" "`P3037R6 `__","``constexpr`` ``std::shared_ptr`` and friends","2025-06 (Sofia)","","","" "`P3284R4 `__","``write_env`` and ``unstoppable`` Sender Adaptors","2025-06 (Sofia)","","","" "`P3179R9 `__","Parallel Range Algorithms","2025-06 (Sofia)","","","" "`P3709R2 `__","Reconsider parallel ``ranges::rotate_copy`` and ``ranges::reverse_copy``","2025-06 (Sofia)","","","" "`P3641R0 `__","Rename ``std::observable`` to ``std::observable_checkpoint``, and add a feature-test macro","2025-06 (Sofia)","","","" "`P3044R2 `__","sub-``string_view`` from ``string``","2025-06 (Sofia)","","","" "`P2876R3 `__","Proposal to extend ``std::simd`` with more constructors and accessors","2025-06 (Sofia)","","","" "`P3480R6 `__","``std::simd`` is a range","2025-06 (Sofia)","","","" "`P2664R11 `__","Extend ``std::simd`` with permutation API","2025-06 (Sofia)","","","" "`P3691R1 `__","Reconsider naming of the namespace for ``std::simd``","2025-06 (Sofia)","","","" "`P3383R3 `__","``mdspan.at()``","2025-06 (Sofia)","","","" "`P2927R3 `__","Inspecting ``exception_ptr``","2025-06 (Sofia)","","","" "`P3748R0 `__","Inspecting ``exception_ptr`` should be constexpr","2025-06 (Sofia)","","","" "`P2830R10 `__","Standardized Constexpr Type Ordering","2025-06 (Sofia)","","","" "`P3570R2 `__","optional variants in sender/receiver","2025-06 (Sofia)","","","" "`P3481R5 `__","``std::execution::bulk()`` issues","2025-06 (Sofia)","","","" "`P3433R1 `__","Allocator Support for Operation States","2025-06 (Sofia)","","","" "`P3149R11 `__","``async_scope`` - Creating scopes for non-sequential concurrency","2025-06 (Sofia)","","","" "`P3682R0 `__","Remove ``std::execution::split``","2025-06 (Sofia)","","","" "`P2079R10 `__","Parallel scheduler","2025-06 (Sofia)","","","" "`P3557R3 `__","High-Quality Sender Diagnostics with Constexpr Exceptions","2025-06 (Sofia)","","","" "`P3560R2 `__","Error Handling in Reflection","2025-06 (Sofia)","","","" "`P3503R3 `__","Make type-erased allocator use in ``promise`` and ``packaged_task`` consistent","2025-06 (Sofia)","","","" "`P3008R6 `__","Atomic floating-point min/max","2025-06 (Sofia)","","","" "`P3111R8 `__","Atomic Reduction Operations","2025-06 (Sofia)","","","" "`P3060R3 `__","Add ``std::views::indices(n)``","2025-06 (Sofia)","","","" "`P2319R5 `__","Prevent ``path`` presentation problems","2025-06 (Sofia)","","","" "`P3223R2 `__","Making ``std::istream::ignore`` less surprising","2025-06 (Sofia)","","","" "`P2781R9 `__","``std::constant_wrapper``","2025-06 (Sofia)","","","" "`P3697R1 `__","Minor additions to C++26 standard library hardening","2025-06 (Sofia)","","","" "`P3552R3 `__","Add a Coroutine Task Type","2025-06 (Sofia)","","","" "`P1317R2 `__","Remove return type deduction in ``std::apply``","2025-06 (Sofia)","","","" "","","","","",""