macOS menubar application: main menu not being displayed

Question

I have a statusbar application, which runs in the menu bar. Therefore I set Application is agent (UIElement) to true in the info.plst.

Answer 1

This is my workaround solution for now:

As I wrote in the question, if I click on another app and come back to my app, the menubar is being displayed. I am simulating this when I try to show the preference window:

    NSApp.setActivationPolicy(.regular)
    NSApp.activate(ignoringOtherApps: true)
    window.makeKeyAndOrderFront(nil)

   if (NSRunningApplication.runningApplications(withBundleIdentifier: "com.apple.dock").first?.activate(options: []))! {
       let deadlineTime = DispatchTime.now() + .milliseconds(200)
       DispatchQueue.main.asyncAfter(deadline: deadlineTime) {                 
       NSApp.setActivationPolicy(.regular)
            NSApp.activate(ignoringOtherApps: true)
       }
   }

This is not a perfect solution. If I don't find a better solution, I will file a bug.