The fab export now ships an IPC-D-356 netlist, and DFM compares the shipped Gerbers against it for shorts and opens. On the first run, KiCad's zero-length slot drills for a USB-C connector read as 4 false opens, and the two formats had to be reconciled before the check meant anything.
From the Grok pain-radar digests, Oct 31-Nov 1 2026 (Oct 31 9:41 PM ET through Nov 1 7:41 AM ET digests plus the Haitch overnight edition). Verified live 2026-11-01: issue/PR read; title and state confirmed.