- P2472R3 added `std::nontype` constructors for `std::function_ref` - merged into P0792R14, plenary-approved Varna 2023 for C++26 - `std::nontype` possibly obsoleted by `std::constant_wrapper` (P2781R9) - Wording review completed by LWG - "non-type template parameter" term was removed by P2841R1 (C++26)