2024 Telecons

History, status, and review outcomes can be found by visiting the GitHub Issue for the paper: wg21.link/PNNNN/github.

Scheduled

Subject	Bucket	Minutes	Chair	Date & Time
P3179R4: C++ parallel range algorithms P0260R13: C++ Concurrent Queues	B1 B3	P3179R3 Minutes P0260R1 Minutes	Inbal Levi	2024-12-10 16:00 to 18:00 UTC (Note time shifts, extra long meeting)
No more telecons during 2024

Major Topics On LEWG's Plate

Targeting C++26

• Reflection.
• Senders and receivers.
  • async_scope.
  • Parallel algorithms integration.
• Linear algebra (merged) and mdspan (fixes).
  • mdarray.
• (More) Ranges.
• (More) Freestanding.
• (Fixes for) std::simd.
• Customization points.
• Coroutines.
  • std::lazy.

Targeting C++29

• Networking.
• Units.

Past

Subject	Bucket	Minutes	Chair	Date & Time
P2988R1: std::optional < T& >	B3 B3	P2988 Minutes	Billy Baker	2024-01-02 16:00 to 17:30 UTC
P1255R11: A view of 0 or 1 elements: views::maybe	B3	P1255 Minutes	Inbal Levi	2024-01-09 16:00 to 17:30 UTC
P1928R8: std::simd - Merge data-parallel types from the Parallelism TS 2 P2846R1: size_hint: Eagerly reserving memory for not-quite-sized lazy ranges	B3 B3	P1928 Minutes P2846 Minutes	Billy Baker Ben Craig	2024-01-16 16:00 to 17:30 UTC
P2875R1: Undeprecate polymorphic_allocator::destroy For C++26 P2769R1: get_element customization point object	B2 B3	P2875 Minutes P2769 Minutes	Ben Craig	2024-01-23 16:00 to 17:30 UTC
Info & Q&A session: Presentation on "P2300R7: std::execution" Q&A session Adapting P2300 to an existing application framework (tentative)	-	P2300 Minutes	Inbal Levi	(Optional Evening Session) 2024-01-23 20:00 to 22:00 UTC
D0843R10: inplace_vector	B3	P0843 Minutes	Inbal Levi	2024-01-30 16:00 to 17:30 UTC
P3019R4: Vocabulary Types for Composite Class Design	B3	P3019 Minutes	Fabio Fracassi	2024-02-06 16:00 to 17:30 UTC
**Last meeting before Feb 2024 electronic poll** P3109R0: A plan for std::execution for C++26	B3	P3109 Minutes	Inbal Levi (scheduled for Fabio Fracassi)	2024-02-13 20:00 to 21:30 UTC
LWG3988: Should as_const_view and basic_const_iterator provide base()? P2985R0: A type trait for detecting virtual base classes P3055R1: Relax wording to permit relocation optimizations in the STL	B2 B3 B3	LWG3988 Minutes P2985 Minutes P3055 Minutes	Ben Craig	2024-02-20 16:00 to 17:30 UTC
P3107R1: Permit an efficient implementation of std::print Info: Plain Language Contracts (see P2900R6 as reference)	B2	P3107 Minutes	Inbal Levi	2024-02-27 16:00 to 17:30 UTC
**Last meeting before Tokyo 2024** P2389R0: dextents Index Type Parameter P3005R0: Memorializing Principle-design-based policies (please review prior to the meeting: P3004R0: Principled Design for WG21)	B2 B3	P2389 Minutes P3005 Minutes	Inbal Levi	2024-03-05 16:00 to 17:30 UTC
P2786R4: Trivial Relocatability For C++26	B3	P2786 Minutes	Inbal Levi	2024-04-09 16:00 to 18:00 UTC
P3175R0: Reconsidering the std::execution::on algorithm	B2	P3175 Minutes	Fabio Fracassi	2024-04-16 16:00 to 17:30 UTC
P3096R0: Function Parameter Reflection in Reflection for C++26 (recommendation to EWG) P2996R2: Reflection for C++26	B3 B3	P3096 Minutes P2996 Minutes	Inbal Levi	2024-04-23 15:00 to 16:30 UTC
P2689R3: atomic_accessor	B3	P2689 Minutes	Ben Craig	2024-04-30 15:00 to 16:30 UTC
P2996R2: Reflection for C++26	B3	P2996 Minutes	Inbal Levi	2024-05-07 15:00 to 17:00 UTC
P3175R0: Reconsidering the std::execution::on algorithm	B2	P3175 Minutes	Fabio Fracassi	2024-05-14 15:00 to 16:30 UTC
P3175R1: Reconsidering the std::execution::on algorithm	B3	P3175 Minutes	Inbal Levi	2024-05-21 15:00 to 16:30 UTC
P2996R3: Reflection for C++26	B3	P2996 Minutes	Inbal Levi	2024-05-28 15:00 to 16:30 UTC
P3171R0: Adding functionality to placeholder types	B2	P3171 Minutes	Ben Craig	2024-06-04 15:00 to 16:30 UTC
**Last meeting before St. Louis 2024** Agenda for St. Louis P2902R0: constexpr ‘Parallel’ Algorithms	B3	P2902 Minutes	Inbal Levi Fabio Fracassi	2024-06-11 15:00 to 16:30 UTC
Overflow from St. Louis (Papers targeting EP) P1732R4: Do not promise support for function syntax of operators (targeting SD-8) P3325R1: A Utility for Creating Execution Environments P3284R0: `finally`, `write_env`, and `unstoppable` Sender Adaptors	B2 B1 B1	P1732 Minutes P3325 Minutes P3284 Minutes	Ben Craig	2024-07-16 15:00 to 16:30 UTC
Overflow from St. Louis P3325R2: A Utility for Creating Execution Environments P2846R2: reserve_hint: Eagerly reserving memory for not-quite-sized lazy ranges	B1 B2	P3325 Minutes P2846 Minutes	Fabio Fracassi	2024-07-23 15:00 to 16:30 UTC
Rebasing C++26 on C23 P3348R0: C++26 should refer to C23 not C17 (will be updated post the meeting) Rebasing Work Document	B2	P3348 Minutes	Inbal Levi	2024-07-30 15:00 to 16:30 UTC
Overflow from St. Louis (Papers targeting EP) P1494R3: Partial program correctness (R2 was approved, R3 sent back to approve mods)	B2	P1494 Minutes	Ben Craig	2024-08-06 15:00 to 16:30 UTC
Reflection D2996R5: Reflection for C++26	B1	P2996 Minutes	Inbal Levi	2024-08-13 15:00 to 17:00 UTC (extra long meeting)
Reflection P3068R4: Allowing exception throwing in constant-evaluation P2996R5: Reflection for C++26	B2 B1	P3068 Minutes P2996 Minutes	Fabio Fracassi	2024-08-20 15:00 to 17:00 UTC (extra long meeting)
Papers targeting EP P3222R0: Fix C++26 by adding transposed special cases for P2642 layouts P3050R2: Fix C++26 by optimizing linalg::conjugated for noncomplex value types	B2 B2	P3222 Minutes P3050 Minutes	Ben Craig	2024-08-27 15:00 to 16:30 UTC
Papers targeting EP P3050R2: Fix C++26 by optimizing linalg::conjugated for noncomplex value types P2835R5: Expose std::atomic_ref's object address (no need for EP) P2988R6: std::optional < T& >	B2 B3 TBD	P3050 Minutes P2835 Minutes P2988 Minutes	Inbal Levi	2024-09-03 15:00 to 16:30 UTC
Papers targeting EP P2988R7: std::optional < T& >	B3	P2988 Minutes	Fabio Fracassi	2024-09-10 15:00 to 16:30 UTC
P3348R0: C++26 should refer to C23 not C17 P3370R0: Add new library headers from C23	B2 B2	P3348 Minutes P3370 Minutes	Fabio Fracassi	2024-09-17 15:00 to 16:30 UTC
Reflection P2996R5: Reflection for C++26	B1	P2996 Minutes	Inbal Levi	2024-09-24 15:00 to 18:00 UTC (extra long meeting)
Reflection P2996R7: Reflection for C++26	B1	P2996 Minutes	Inbal Levi	2024-10-01 15:00 to 18:00 UTC (extra long meeting)
D3348R1: C++26 should refer to C23 not C17 P3370R1: Add new library headers from C23 P3136R0: Retiring niebloids P3372R0: constexpr containers and adaptors	B1 B1 B2 B3	P3348 Minutes P3370 Minutes P3136 Minutes P3372 Minutes	Fabio Fracassi	2024-10-08 15:00 to 16:30 UTC
Reflection P3096R3: Function Parameter Reflection in Reflection for C++26 P2996R7: Reflection for C++26	B1 B1	P3096 Minutes P2996 Minutes	Inbal Levi	(extra meeting) 2024-10-10 (Thu) 15:00 to 16:30 UTC
P3399R0: Adjusting Electronic Polls to a Hybrid Workflow P3355R0: Fix submdspan for C++26	B1 B2	P3399 Minutes P3355 Minutes	Fabio Fracassi	2024-10-15 15:00 to 16:30 UTC
Reflection P2996R5: Reflection for C++26	B1	P2996 Minutes	Inbal Levi	(extra meeting) 2024-10-17 (Thu) 15:00 to 16:30 UTC
LWG Poland Papers Prioritization for LWG P3247R1: Deprecate the notion of trivial types P3138R3: views::cache_latest	B1 B1 B1	P3247 Minutes P3138 Minutes	Inbal Levi	2024-10-22 15:00 to 16:30 UTC
Reflection P2996R7: Reflection for C++26	B1	P2996 Minutes	Inbal Levi	2024-10-29 15:00 to 17:00 UTC (Note time shifts, extra long meeting)
**Last meeting before Wrocław 2024** P2996R8: Reflection for C++26	B1	P2996 Minutes	Inbal Levi	2024-11-05 15:00 to 17:00 UTC (Note time shifts, extra long meeting)