[Feature Request]: Viewing popup windows

What happened?

This is my code:

void CWebBrowser::ShowFullScreen(const CString strFilePath)
{
	if (m_pImpl->m_webView)
	{
		CRect rctSize;
		CWnd::GetDesktopWindow()->GetWindowRect(rctSize);
		rctSize.DeflateRect(10,10);
		CString strJS;

		strJS.Format(L"window.open('%s', 'customWindow', 'width=%d, height=%d, top=%d, left=%d')",
			strFilePath.IsEmpty() ? GetLocationURL() : EncodeFilePathToUrl(strFilePath),
			rctSize.Width(), rctSize.Height(), rctSize.top, rctSize.left);

		m_pImpl->m_webView->ExecuteScript(strJS,
			Callback<ICoreWebView2ExecuteScriptCompletedHandler>(
				[](HRESULT error, PCWSTR result) -> HRESULT { return S_OK; })
			.Get());
	}
}

It works fine but:

1. The maximized popup window is modeless. So i can still independently use my app. Ideally it should be modal.
2. If I shut my app down (and thus webview2) this popup remains on screen. Ideally it should shutdown automatically.

Advice welcome.

Importance

Moderate. My app's user experience is affected, but still usable.

Runtime Channel

Stable release (WebView2 Runtime)

Runtime Version

119.0.2151.97

SDK Version

2088.41

Framework

Win32

Operating System

Windows 11

OS Version

No response

Repro steps

See my code.

Repros in Edge Browser

No

Regression

No, this never worked

Last working version (if regression)

No response