We cannot include a browser widget to show html pages in the dist- upgrade tool.
But we could include a link to a highlights tour in the release notes. The release notes viewer supports links. https://wiki.ubuntu.com/QuickTourDraft seems to be dead? -- Humanized changelog and news after a dist-upgrade https://launchpad.net/bugs/19421 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs