It's being addressed, but for now just subscribe to the communities you want to see and change the post settings from "all" to "subscribed." No auto refresh.
Yeah this is horrible. I usually scroll directly to the bottom of the page and press next. And on the next page you don’t have this problem. I also recently switched to the Mlem app and the app doesn’t have that problem . But it’s not perfect either, so depending on my mood I go to Kelly on the browser or via the app.