Overview Shipped
UIKit, AppKit, SwiftUI (where Apple requires it), Dynamic Type, App Store, Human Interface Guidelines, platform…
When it runs
Signal-selected: convened when the changeset contains swift, objc, c-header. A change that touches none of them never pays for this lens, which is why a roster this large stays affordable.
Its 12 lenses
Each one names the focus a worker reviews against and the criteria an independent verifier then checks the resulting findings for. That second half is what makes the verifier pass possible at all: it is not asking whether a finding is correct, it is asking whether this specialist covered its own declared ground.