Search results

LWG4498 §[atomics.order] The total order should be intended to be a strict total order

SG1ConcurrencyConcurrency

Status: Open.

#2620 In cplusplus/papers;

· jwakely opened on Feb 18, 2026

LWG4509 std::optional<T>::transform cannot be implemented while supporting program-defined specializations

LEWGLibrary EvolutionLibrary Evolution

Status: Open.

#2619 In cplusplus/papers;

· jwakely opened on Feb 18, 2026

LWG4507 The order of side effects initiated by I/O functions is not described by happen-before

CWGCoreCore

Status: Open.

#2618 In cplusplus/papers;

· jwakely opened on Feb 18, 2026

LWG4503 Use of <code>std::common_reference_with</code> in <code>std::assignable_from</code> seems incorrect

LEWGLibrary EvolutionLibrary Evolution

Status: Open.

#2617 In cplusplus/papers;

· jwakely opened on Feb 18, 2026

LWG4492. std::generate and std::ranges::generate wording is unclear for parallel algorithms

C++26Targeted at C++26Targeted at C++26

LEWGLibrary EvolutionLibrary Evolution

ready-for-library-evolution-meeting-reviewThis paper needs to be discussed at a Library Evolution meetingThis paper needs to be discussed at a Library Evolution meeting

Status: Open.

#2616 In cplusplus/papers;

· jwakely opened on Jan 30, 2026

CWG3123 Global lookup for begin and end for expansion statements

EWGEvolutionEvolution

Status: Open.

#2615 In cplusplus/papers;

· jensmaurer opened on Jan 23, 2026

·  

2026-03

LWG4476. run_loop should not have a set_error completion

C++26Targeted at C++26Targeted at C++26

LEWGLibrary EvolutionLibrary Evolution

ready-for-library-evolution-meeting-reviewThis paper needs to be discussed at a Library Evolution meetingThis paper needs to be discussed at a Library Evolution meeting

Status: Open.

#2614 In cplusplus/papers;

· jwakely opened on Jan 21, 2026

P3968 R0 A Framework For Contracts

EWGIEvolution IncubatorEvolution Incubator

SG21ContractsContracts

Status: Open.

#2613 In cplusplus/papers;

· wg21bot opened on Jan 17, 2026

·  

2026-telecon

P3967 R0 Dual compiles of functions with contracts

EWGIEvolution IncubatorEvolution Incubator

SG21ContractsContracts

Status: Open.

#2612 In cplusplus/papers;

· wg21bot opened on Jan 17, 2026

·  

2026-telecon

P3965 R0 2026-01 Library Evolution Polls

infoInformational paperInformational paper

Status: Open.

#2611 In cplusplus/papers;

· wg21bot opened on Jan 17, 2026

·  

2026-telecon

P3963 R0 Assignable lambdas with capture

EWGEvolutionEvolution

EWGIEvolution IncubatorEvolution Incubator

Status: Open.

#2610 In cplusplus/papers;

· wg21bot opened on Jan 17, 2026

·  

2026-telecon

P3962 R0 Implementation reality of WG21 standardization

infoInformational paperInformational paper

Status: Open.

#2609 In cplusplus/papers;

· wg21bot opened on Jan 17, 2026

·  

2026-telecon