Blogrolls? Those are like Twitter lists for the cognoscenti right? 😉
Seriously, I’ve resurrected mine a while back too. And included sub-sectioned OPML files just for kicks.
More details on the project and implications for the future: https://boffosocko.com/2019/06/18/from-following-posts-and-blogrolls-following-pages-with-opml-to-microsub-servers-and-readers/