a thin web between two openings came out with 8 open edges because the closure check used a 0.1 mm weld that could not see a sub-0.1 mm tear, so a torn cut was emitted as valid.
From the Grok pain-radar digest, Oct 25-26 2026 (Oct 25 daytime to Oct 26 morning slots). Verified live 2026-10-26: issue/PR read on GitHub; title and state confirmed.