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Select	Paper	Title	Authors	Audience	Doc Date	Mailing Date
	P3557R3	High-Quality Sender Diagnostics with Constexpr Exceptions	Eric Niebler E. Niebler	LWG	2025-07-04	2025-07
Doc Date 2025-07-04 Mailing Date 2025-07 Post-Sofia Author(s) Eric Niebler Target Audience LWG Tracking issue View on GitHub Disposition Date 2025-06Adopted Abstract The hardest part of writing a sender algorithm is often the computation of its completion signatures, an intricate meta-programming task. Using sender algorithms incorrectly leads to large, incomprehensible errors deep within the completion-signatures meta-program. What is needed is a way to propagate type errors automatically to the API boundary where they can be reported concisely, much the way
	P3718R0	Fixing Lazy Sender Algorithm Customization, Again	Eric Niebler E. Niebler	LEWG LWG	2025-06-28	2025-07
Doc Date 2025-06-28 Mailing Date 2025-07 Post-Sofia Author(s) Eric Niebler Target Audience LEWG LWG Tracking issue View on GitHub Abstract 1. Add a non-forwarding `get_domain_override` query with no default implementation. 2. Give meaning to the `get_scheduler` query by requiring that an operation be started on an execution agent associated with the scheduler from the environment of the receiver used to create the operation. 3. Tweak the definitions of `SCHED-ATTRS` and `SCHED-ENV` to avoid forwaring the `get_domain` query. 4. Si

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