page.window_visible not working correctly on MacOS

I'm trying to make a window that becomes invisible for 1 sec when I click a button and then turns visible again. The code is super simple and it works perfectly on a Windows PC. But on MacOS it somehow doesn't work. The window disappears and doesn't show up again.

import flet as ft
import time

def main(page: ft.Page):

    def btn_click(e):
        page.window_visible = False
        page.update() 
        time.sleep(1)

        page.window_visible = True
        page.update()

    page.add(
            ft.ElevatedButton("Say hello!", on_click=btn_click),
        )

ft.app(target=main)

Flet version: 0.8.2
MacOS 13.4.1

Reproduce the behavior on macOS 13.4.1 using the example in the issue, focusing on the btn_click handler and Flet 0.8.2. Done means the window becomes invisible for one second and then becomes visible again after the button is clicked, as it does on Windows.