On an Eagle schematic imported into KiCad, the pin-type tool turns power symbols and PWR_FLAG into passive, which breaks ERC's rail model, and leaves the RP2040's supply pins passive. Eagle types pins as io, so imports need the tool, and it does not work on them yet; the workaround is a board-local fix_sch.py.
From the Grok pain-radar digests, Oct 31-Nov 1 2026 (Oct 31 9:41 PM ET through Nov 1 7:41 AM ET digests plus the Haitch overnight edition). Verified live 2026-11-01: issue/PR read; title and state confirmed.