an IMU module's STEP file rendered almost black because the reader only accepted plain STYLED_ITEM and dropped every OVER_RIDING_STYLED_ITEM, so 40 overridden faces lost their colour.
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.