If you haven’t figured it out yet or got a response yet, hop onto the instance admin group on matrix for Lemmy (details are on the GitHub or join Lemmy page somewhere I believe) and one of the many other folks running instances can probably walk you through it

Pretty great on the web browser front-end to be honest - haven’t had an issue when I have used it on my phone. Not sure about the app side of things since I’ve been trying to limit my doom scrolling to when I’m at a computer

Fired up a FreshRSS instance for myself when the reddit API notifications came about. Reminds me of my Google Reader days - quite happy with it thus far. Any of the decent quality news sites seem to have an RSS option, at least in my experience so far.