copperline (iamdarshg)ECADConfidence: Medium

Eight curated boards that were legal going in came out of the router with copper DRC violations (56 on one, 11 on two others). Routes from each epoch get committed with no local legality check or rollback; the final verifier refuses COMPLETE only after the bad copper is already in.

Impact Analysis

Persona

Electrical Engineer

Team Size Impact

5x Multiplier

Prototype Delay

3 Days

Est. Annual Cost

$30,000

1 user · 1 month240 min
Rest of team960 min
Rest of year13,200 min

monthly_minutes × 12 × team_multiplier ÷ 60 × $75/hr = $30k/yr

$75/hr assumed rate.

Annual team-minutes decomposed from the reported monthly inputs.

Evidence & Sources

1 Sources

iamdarshg/copperline Issue #42: Routing epoch commits can introduce DRC violations despite clean input (missing local legality transaction)

github.com

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Analyst Notes

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.