The app is installed but hidden by default unless you’re running a beta (and in my experience I’ve never gotten a reply to a report unless it’s on a beta). You

The app is installed but hidden by default unless you’re running a beta (and in my experience I’ve never gotten a reply to a report unless it’s on a beta). You can use the website or launch the native app with its URI scheme but approximately nobody does that unless they’re really frustrated with a bug and know Feedback Assistant exists.