I want to like it, but it is not sending me push notifications, and that is a deal breaker. I run lineage OS and have ntfy as a unified push provider but expected that the app would be able to have a check interval at which time it would send me notifications if anything was new. The description says it's capable of doing notifications, but I did not see them in several hours of using it with notifications turned on. This is probably one I will revisit in the future to see if there's any progress on it.
Edit: I just realized in filing a comment on a bug report with my experience this morning that the system never did prompt me to allow notifications for the app. So I manually went in and allowed notifications and so we will see if that works.
Edit 2: that worked. Add a new feed, swipe up to go to app switcher, tap read you icon, tap app info, tap notifications, and turn them on. Switch back to read you, long press a feed, and tap allow notification (it doesnt respect the setting when you add the feed for some reason)
I have no idea. I haven't looked at their GitHub or anything. I just know that it wasn't working in the version that I got from F-Droid. If I remember correctly, the version I got was released in February.