P3966R0 — 3966R0 2026-01 Library Evolution Poll Outcomes
(4 items)
WG21
This paper reports the outcomes of the 2026-01 C++ Library Evolution electronic decision polls, in which 19 participants voted on three proposals. All three polls achieved consensus in favor: P3505R2 (fix default floating-point representation in std::format) forwarded to LWG for C++29 as a DR, P3826R3 (fix sender algorithm customization) forwarded to LWG for C++26, and P3450R0 (extend std::is_within_lifetime) forwarded to LWG for C++26.
- Document title — The heading reads "3966R0 2026-01 Library Evolution Poll Outcomes" — the "P" prefix is missing from the paper number and there is no separator between the number and the date. [1]
- References section, [P3965R0] entry — "Janurary" is misspelled; should be "January." [2]
References — Anthropic Citations API
[1]
chars 0–716
"# 3966R02026-01 Library Evolution Poll Outcomes ## Published Proposal, 2026-02-22 Authors: Inbal Levi - Library Evolution Chair (Microsoft LTD) Fabio Fracassi - Library Evolution Assistant..."
"# 3966R02026-01 Library Evolution Poll Outcomes ## Published Proposal, 2026-02-22 Authors: Inbal Levi - Library Evolution Chair (Microsoft LTD) Fabio Fracassi - Library Evolution Assistant..."
[2]
chars 4962–4980
"16 Janurary 2026. "
"16 Janurary 2026. "
Summary: This paper records the outcomes of polls taken by the Library Evolution Working Group during the January 2026 meeting cycle, covering forwarding decisions on approximately twenty library proposals to LWG or LEWG.
Pipeline: Discovery (Anthropic Opus + Citations API) → Verification Gate (OpenRouter Opus) → Report Writer (OpenRouter Opus)
Provenance: All references are machine-verified character positions from the Anthropic Citations API — deterministic, exact substrings, not model-generated quotes.
Provenance: All references are machine-verified character positions from the Anthropic Citations API — deterministic, exact substrings, not model-generated quotes.