LWG Priorities

Legend

Bold means that the paper has been scheduled for LWG.

Monospace means that LWG is waiting on changes from the author.

Strikeout means that LWG is done with the paper.

LWG papers that are not waiting for a paper revision

B1, B2, B3

To be prioritized

1. B2: P3247 Deprecate the notion of trivial types

C++23/C++20/DRs

C++26

LWG C++26 Papers

1. B1: P3348 C++26 should refer to C23 not C17
2. B1: P2996 Reflection for C++26
3. B1: P3284 write_env and unstoppable Sender Adaptors
4. B1: P3137 views::to_input
5. B1: P2079 Parallel Scheduler (Was: System Execution Context)
6. B1: P3060 Add std::views::upto(n)
7. B1: P3149 async_scope -- Creating scopes for non-sequential concurrency
8. B1: P3164 Early Diagnostics for Sender Expressions
9. B1: P3284 write_env and unstoppable Sender Adaptors
10. B1: P3296 let_async_scope
11. B1: P3425 Reducing operation-state sizes for subobject child operations
12. B1: P3433 Allocator Support for Operation States
13. B1: P3293 Splicing a base class subobject
14. B1: P3481 std::execution::bulk() issues
15. B1: P3547 Modeling Access Control With Reflection
16. B1: P3557 High-Quality Sender Diagnostics with Constexpr Exceptions
17. B1: P3560 Error Handling in Reflection
18. B2: P2988 std::optional<T&> (In review)
19. B2: P2933 std::simd overloads for <bit> header (started, almost complete)
20. B2: P3008 Atomic floating-point min/max -- complete: awaiting adoption of P3348 (C23 rebase)
21. B2: P3016 Resolve inconsistencies in begin/end for valarray and braced initializer lists (started, feedback given)
22. B2: P2663 Proposal to support interleaved complex values in std::simd
23. B2: P0177 Cleaning up allocator_traits
24. B2: P3503 Make type-erased allocator use in promise and packaged_task consistent
25. B2: P1317 Remove return type deduction in std::apply
26. B2: P2664 Proposal to extend std::simd with permutation API
27. B2: P2876 Proposal to extend std::simd with more constructors and accessors
28. B2: P2927 Observing exceptions stored in exception_ptr
29. B2: P3016 Resolve inconsistencies in begin/end for valarray and braced initializer lists
30. B2: P3037 constexpr std::shared_ptr
31. B2: P3070 Formatting enums
32. B2: P3044 sub-string_vew from string
33. B2: P3096 Function Parameter Reflection in Reflection for C++26
34. B2: P3179 C++ parallel range algorithms
35. B2: P2319 Prevent path presentation problems
36. B2: P3383 mdspan.at()
37. B2: P3416 exception_ptr_cast: Add && = delete overload
38. B2: P3503 Make type-erased allocator use in promise and packaged_task consistent
39. B2: P3567 flat_meow Fixes
40. B3: P3074 trivial unions (was std::uninitialized) (minor wording change)
41. B3: P2019 Thread attributes (minor wording change)
42. B3: P2846 reserve_hint: Eagerly reserving memory for not-quite-sized lazy ranges
43. B3: P2830 Standardized Constexpr Type Ordering (minor wording change)
44. B3: P2781 std::constexpr_wrapper (resent from LEWG with design feedback)
45. B3: P2786 Trivial Relocatability For C++26
46. B3: P2758 Emitting messages at compile time
47. B3: P0260 C++ Concurrent Queues
48. B3: P2758 Emitting messages at compile time
49. B3: P3111 Atomic Reduction Operations
50. B3: P3394 Annotations for Reflection
51. B3: P3491 define_static_{string,object,array}
52. B3: P3516 Uninitialized algorithms for relocation
53. B2: P3371 Fix C++26 by making the rank-1, rank-2, rank-k, and rank-2k updates consistent with the BLAS (C++26 if possible)
54. B2: P3295: Freestanding constexpr containers and constexpr exception types (C++26 if possible)
55. B3: P3319 Add an iota object for simd (and more) (C++26 if possible)
56. B3: P3365 Remove deprecated iterator template (C++26 if possible)
57. B3: P3366 Remove Deprecated Atomic Initialization API from C++26 (C++26 if possible)
58. B3: P2873 Remove Deprecated locale category facets for Unicode from C++26 (C++26 if possible)

C++29

1. B3: P3367 constexpr coroutines (Moved to C++29 due to P3590R0)
2. B3: P3449 constexpr std::generator (Pending P3367, which moved to C++29 due to P3590R0)

Technical reports