Each exporter used to say its own thing about a face, and an uncoloured face came out goldenrod. Now one module feeds STEP, glTF, 3MF and URDF so they agree on colour and material.
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.