SwiftUI bugs

bug1.swift

//
//  ContentView.swift
//  Bug1
//
//  Created by Chris Eidhof on 03.07.20.
//

import SwiftUI

struct ContentView: View {
    @Namespace var ns
    @State var selected: Bool = false
    var body: some View {
        let rect = Rectangle()
            .fill(Color.red)
            .frame(width: selected ? 200 : 100, height: selected ? 150 : 75)
            .onTapGesture {
                withAnimation(.easeInOut(duration: 3)) {
                    selected.toggle()
                }
            }
        return VStack {
            if !selected {
                rect
                    .matchedGeometryEffect(id: "x", in: ns, isSource: false)
            }
            Spacer()
            ScrollView {
                HStack {
                    if selected {
                        rect
                            .matchedGeometryEffect(id: "x", in: ns, isSource: false)
                    }
                }
            }
            .background(Color.gray)
            .frame(height: 220)
        }.frame(maxWidth: .infinity, maxHeight: .infinity)
    }
}

struct ContentView_Previews: PreviewProvider {
    static var previews: some View {
        ContentView()
    }
}