you could self-host your own rss reader on a server & set it up to automatically update the feeds in the background every now and then, and just check on it whenever you want to read what's new. freshrss seems to be the popular choice.
there's also some subscription services that seem to do the same thing, but i have no experience with them.
there's also some subscription services that seem to do the same thing, but i have no experience with them.