Anvil Animation Smoke Clipping about pow HOT 6 CLOSED

import SwiftUI
import Pow

struct ContentView: View {
    @State
    var isOn: Bool = true

    var body: some View {
        VStack {
            GroupBox {
                Toggle("Visible", isOn: $isOn.animation())
            }

            Spacer()

            if isOn {
                Color.blue
                    .frame(width: 200, height: 1)
                    .transition(.movingParts.anvil)
            }

            Spacer()
        }
        .padding()
    }
}

struct ContentView_Previews: PreviewProvider {
    static var previews: some View {
        NavigationStack {
            ContentView()
        }
        .environment(\.colorScheme, .dark)
    }
}

myView
  .padding(.vertical, 24)
  .transition(.movingParts.anvil)
  .padding(.vertical, -24)