Merging 23 upstream commits into an Altium agent fork, 655 to 758 tools; 18 conflicts were settled by 'the side that measured it won'. On impedance reference layers they had it backwards at first; upstream had rerun reads on a board with profiles and found the layers unreadable.
From the Grok pain-radar digests, Oct 28-29 2026 (Oct 28 8:41 AM ET through Oct 29 early-morning Haitch editions). Verified live 2026-10-29: issue/PR read; title and state confirmed.