私も手で直して

// Default .receive(on: RunLoop.main) .sink { [weak self] in guard let self = self else { return } self.coordinator.onThumbnailCollectionViewSelectionChange() } .store(in: &cancellables) // Modified thumbnailCollectionView.onSelectionChange .receive(on: RunLoop.main) .sink { [weak self] in guard let self = self else { return } self.coordinator.onThumbnailCollectionViewSelectionChange() } .store(in: &cancellables)

^ こうしてた。 (edited)