WG21-P2300R10 std::execution
WG21-P2079R10 parallel_scheduler
WG21-P3149R11 counting_scope
WG21-P3284R4 write_env And unstoppable Sender Adaptors
WG21-P3325R5 A Utility For Creating Execution Environments
WG21-P3373R4 Of Operation States And Their Lifetimes
WG21-P3388R3 When Do You Know connect Doesn't Throw?
WG21-P3396R1 std::execution Wording Fixes
WG21-P3433R1 Allocator Support For Operation States
WG21-P3481R5 std::execution::bulk() Issues
WG21-P3552R3 std::execution::task: A Coroutine Task Type
WG21-P3557R3 High-Quality Sender Diagnostics With constexpr Exceptions
WG21-P3570R2 Optional Variants In Sender/Receiver
WG21-P3682R0 Remove std::execution::split
WG21-P3804R2 Iterating On parallel_scheduler
WG21-P3815R1 scope_association
WG21-P3826R5 Fix Sender Algorithm Customization
WG21-P3887R1 Make when_all A Ronseal Algorithm
WG21-P3914R0 Assorted NB Comment Resolutions For Kona 2025 (sections 2.2, 2.3, 2.4, 2.5)
WG21-P3923R0 Additional NB Comment Resolutions For Kona 2025 (sections 2.8, 2.9)
WG21-P3927R2 task_scheduler Support For Parallel bulk Execution
WG21-P3941R4 Scheduler Affinity
WG21-P3980R1 task's Allocator Use
WG21-P3986R1 inlinable_receiver
WG21-P4151R1 Rename affine_on To affine
WG21-P4154R0 Renaming Various execution Things
WG21-P4159R0 Make sender-to And receiver-of Exposition-Only
LWG-4133 awaitable-receiver's members are potentially throwing
LWG-4143 execution::set_value/set_error/set_stopped/start should always return void
LWG-4175 get_env() specified in terms of as_const() but this doesn't work with rvalue senders
LWG-4198 schedule_from isn't starting the schedule sender if decay-copying results throws
LWG-4200 The operation_state concept can be simplified
LWG-4201 with-await-transform::await_transform should not use a deduced return type
LWG-4202 enable-sender should be a variable template
LWG-4203 Constraints on get-state functions are incorrect
LWG-4204 Specification of as-sndr2(Sig) in [exec.let] is incomplete
LWG-4205 let_[*].transform_env is specified in terms of the let_* sender itself instead of its child
LWG-4208 Wording needs to ensure that in connect(sndr, rcvr) that rcvr expression is only evaluated once
LWG-4209 default_domain::transform_env should be returning FWD-ENV(env)
LWG-4260 Query objects must be default constructible
LWG-4328 Remove note in [exec.sched] regarding waiting for completion of scheduled operations
LWG-4339 task's coroutine frame may be released late
LWG-4340 task::promise_type::unhandled_stopped() should be noexcept
LWG-4341 Missing rvalue reference qualification for task::connect()
LWG-4342 Missing rvalue reference qualification for task_scheduler::ts-sender::connect()
LWG-4343 Missing default template arguments for task
LWG-4345 task::promise_type::return_value default template parameter
LWG-4346 task::promise_type::return_void/value lack a specification
LWG-4347 task's stop source is always created
LWG-4349 task is not actually started lazily
LWG-4354 Reconsider weakly_parallel as the default forward_progress_guarantee
LWG-4358 [exec.as.awaitable] is using Preconditions: when it should probably be described in the constraint
LWG-4359 as_awaitable(expr, p) does not define semantics of call if p is not an lvalue
LWG-4360 awaitable-sender concept should qualify use of awaitable-receiver type
LWG-4361 awaitable-receiver::set_value should use Mandates instead of constraints
LWG-4369 check-types function for upon_error and upon_stopped is wrong
LWG-4415 task::promise_type::uncaught_exception seems to be misnamed
LWG-4438 Bad expression in [exec.when.all]
LWG-4445 sch_ must not be in moved-from state
LWG-4446 Bad phrasing for SCHED(s)
LWG-4447 Remove unnecessary sizeof...(Env) > 1 condition
LWG-4448 Do not forward fn in completion_signatures
LWG-4455 Add missing constraint to basic-sender::get_completion_signatures definition
LWG-4456 Decay Data and Child in make-sender
LWG-4459 Protect get_completion_signatures fold expression from overloaded commas
LWG-4461 stop-when needs to evaluate unstoppable tokens
LWG-4471 Remove test for get_env noexcept-ness from inline_scheduler
LWG-4476 run_loop should not have a set_error completion
LWG-4485 Move specification for task::stop_token_type
LWG-4504 Wording problem in {simple_}counting_scope
LWG-4525 task's final_suspend should move the result
LWG-4527 await_transform needs to use as_awaitable
LWG-4528 task needs get_completion_signatures()
LWG-4529 task::promise_type::await_transform declaration and definition mismatch
LWG-4540 future-senders returned from spawn_future do not forward stop requests to spawned work
LWG-4568 std::execution::spawn_future is mishandling dependent senders
LWG-4579 make-state<Rcvr>::state-type::complete uses Env which is not in scope
Feature-test macros:
#define __cpp_lib_counting_scope 202506L
#define __cpp_lib_parallel_scheduler 202506L
#define __cpp_lib_senders 202506L
#define __cpp_lib_task 202506L
Note: We are not yet accepting PRs for C++26 features.
WG21-P2300R10
std::executionWG21-P2079R10
parallel_schedulerWG21-P3149R11
counting_scopeWG21-P3284R4
write_envAndunstoppableSender AdaptorsWG21-P3325R5 A Utility For Creating Execution Environments
WG21-P3373R4 Of Operation States And Their Lifetimes
WG21-P3388R3 When Do You Know
connectDoesn't Throw?WG21-P3396R1
std::executionWording FixesWG21-P3433R1 Allocator Support For Operation States
WG21-P3481R5
std::execution::bulk()IssuesWG21-P3552R3
std::execution::task: A Coroutine Task TypeWG21-P3557R3 High-Quality Sender Diagnostics With
constexprExceptionsWG21-P3570R2 Optional Variants In Sender/Receiver
WG21-P3682R0 Remove
std::execution::splitWG21-P3804R2 Iterating On
parallel_schedulerWG21-P3815R1
scope_associationWG21-P3826R5 Fix Sender Algorithm Customization
WG21-P3887R1 Make
when_allA Ronseal AlgorithmWG21-P3914R0 Assorted NB Comment Resolutions For Kona 2025 (sections 2.2, 2.3, 2.4, 2.5)
WG21-P3923R0 Additional NB Comment Resolutions For Kona 2025 (sections 2.8, 2.9)
WG21-P3927R2
task_schedulerSupport For ParallelbulkExecutionWG21-P3941R4 Scheduler Affinity
WG21-P3980R1
task's Allocator UseWG21-P3986R1
inlinable_receiverWG21-P4151R1 Rename
affine_onToaffineWG21-P4154R0 Renaming Various
executionThingsWG21-P4159R0 Make
sender-toAndreceiver-ofExposition-OnlyLWG-4133
awaitable-receiver's members are potentially throwingLWG-4143
execution::set_value/set_error/set_stopped/startshould always returnvoidLWG-4175
get_env()specified in terms ofas_const()but this doesn't work with rvalue sendersLWG-4198
schedule_fromisn't starting the schedule sender if decay-copying results throwsLWG-4200 The
operation_stateconcept can be simplifiedLWG-4201
with-await-transform::await_transformshould not use a deduced return typeLWG-4202
enable-sendershould be a variable templateLWG-4203 Constraints on
get-statefunctions are incorrectLWG-4204 Specification of
as-sndr2(Sig)in [exec.let] is incompleteLWG-4205
let_[*].transform_envis specified in terms of thelet_*sender itself instead of its childLWG-4208 Wording needs to ensure that in
connect(sndr, rcvr)thatrcvrexpression is only evaluated onceLWG-4209
default_domain::transform_envshould be returningFWD-ENV(env)LWG-4260 Query objects must be default constructible
LWG-4328 Remove note in [exec.sched] regarding waiting for completion of scheduled operations
LWG-4339
task's coroutine frame may be released lateLWG-4340
task::promise_type::unhandled_stopped()should benoexceptLWG-4341 Missing rvalue reference qualification for
task::connect()LWG-4342 Missing rvalue reference qualification for
task_scheduler::ts-sender::connect()LWG-4343 Missing default template arguments for
taskLWG-4345
task::promise_type::return_valuedefault template parameterLWG-4346
task::promise_type::return_void/valuelack a specificationLWG-4347
task's stop source is always createdLWG-4349
taskis not actually started lazilyLWG-4354 Reconsider
weakly_parallelas the defaultforward_progress_guaranteeLWG-4358 [exec.as.awaitable] is using Preconditions: when it should probably be described in the constraint
LWG-4359
as_awaitable(expr, p)does not define semantics of call ifpis not an lvalueLWG-4360
awaitable-senderconcept should qualify use ofawaitable-receivertypeLWG-4361
awaitable-receiver::set_valueshould use Mandates instead of constraintsLWG-4369
check-typesfunction forupon_errorandupon_stoppedis wrongLWG-4415
task::promise_type::uncaught_exceptionseems to be misnamedLWG-4438 Bad expression in [exec.when.all]
LWG-4445
sch_must not be in moved-from stateLWG-4446 Bad phrasing for
SCHED(s)LWG-4447 Remove unnecessary
sizeof...(Env) > 1conditionLWG-4448 Do not forward
fnincompletion_signaturesLWG-4455 Add missing constraint to
basic-sender::get_completion_signaturesdefinitionLWG-4456 Decay
DataandChildinmake-senderLWG-4459 Protect
get_completion_signaturesfold expression from overloaded commasLWG-4461
stop-whenneeds to evaluate unstoppable tokensLWG-4471 Remove test for
get_env noexcept-ness frominline_schedulerLWG-4476
run_loopshould not have aset_errorcompletionLWG-4485 Move specification for
task::stop_token_typeLWG-4504 Wording problem in
{simple_}counting_scopeLWG-4525
task'sfinal_suspendshouldmovethe resultLWG-4527
await_transformneeds to useas_awaitableLWG-4528
taskneedsget_completion_signatures()LWG-4529
task::promise_type::await_transformdeclaration and definition mismatchLWG-4540
future-senders returned fromspawn_futuredo not forward stop requests to spawned workLWG-4568
std::execution::spawn_futureis mishandling dependent sendersLWG-4579
make-state<Rcvr>::state-type::completeusesEnvwhich is not in scopeFeature-test macros:
Note: We are not yet accepting PRs for C++26 features.