The Specctra DSN export refuses any board whose outline has rounded corners, saying Edge.Cuts gr_arc is not a straight line, so the Freerouting round trip is closed to most real boards.
From the Grok pain-radar digests, Nov 1-2 2026 (Nov 1 8:41 AM ET through Nov 2 7:41 AM ET digests plus the Haitch editions). Verified live 2026-11-02: issue/PR read; title and state confirmed.