The Altium bridge's bulk geometry writer dumps every free primitive on every layer before each apply, costing 2.7 s per apply on a 10-layer board when the caller edits a few dozen tracks.
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.