Sorry for the long wait… but: With the integration of Micro.blog, I decided it would make sense to let users select multiple accounts at the same time. Which took some refactoring across the app.
But now you can see Micro.blog posts and ’normal› feed subscription in one unified timeline!
Join the beta and let me know how that works for you: Web Subscriber Beta Signup
(There are still some buggy areas. Let me know about that, too).