MacOS window pulse animation, bug?

WindowPulseBug.swift

// b.nelissen
// window pulse animation, bug?
// even WxH is no pulse, odd WxH is pulse

import SwiftUI

@main
struct SettingsBounceApp: App {
    @State private var width: CGFloat = 340 // even
    @State private var height: CGFloat = 340 // even
    @State private var addOneWidth: Bool = false
    @State private var addOneHeight: Bool = false

    var widthOdd: CGFloat { width + (addOneWidth ? 1 : 0) }
    var heightOdd: CGFloat { height + (addOneHeight ? 1 : 0) }

    var body: some Scene {
        WindowGroup {
            VStack() {
                Slider(value: $width, in: 300...400, step: 4) { Text("Width: \(Int(width))") }
                Slider(value: $height, in: 300...400, step: 4) { Text("Height: \(Int(height))") }
                HStack(){
                    Toggle("+1 for width", isOn: $addOneWidth)
                    Toggle("+1 for height", isOn: $addOneHeight)
                }
            }
            .padding()
        }
        
        Settings {
            Text("Settings: width \(Int(widthOdd)), height \(Int(heightOdd))")
                .frame(width: widthOdd, height: heightOdd)
        }
    }
}