Should have the ability to add sub pages within a page. For example, adding multiple release notes for each iteration under one main page for 'Release notes'
You can use custom pages on your ideas portal to post announcements, publish guides, and share roadmaps. Available with Ideas Advanced. Learn more here.
You can actually do this today when sharing notes to the ideas portal. When you publish a note to an ideas portal page, all of its child notes will also be shared using links on the left. Instead of sharing notes, are you hoping to share multiple reports/views in subpages?