A child sheet placed twice gets its own designators per placement, but the app does not record which sheet symbol the user descended through, so exporting the current page always prints /A's designators (R1 instead of R101) even when opened from B.
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.