altium-designer-mcp (embedded-society)ECADConfidence: Medium
any write to a production .PcbLib (~485 footprints) still rewrites the same 11 footprints it was not asked to touch (font IDs reset, track flags changed, 3D model records sharing an ID merged so the second one's rotation is lost, a Windows-1250 model name returned as mojibake).
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.