I also agree. Given that the pinned menu isn't even rendered in the browser it seems strange to describe this resource in a page. The lifecycle doesn't fit at a

I also agree. Given that the pinned menu isn't even rendered in the browser it seems strange to describe this resource in a page. The lifecycle doesn't fit at all. If the content of the pinned menu changes I wouldn't expect to have to reload a page in the browser. Windows will be making a request for the page resource and then completely ignoring the html.