How many of my TL;DR points here <a href="https://www.earth.org.uk/RSS-efficiency.html" rel="nofollow">https://www.earth.org.uk/RSS-efficiency.html</a> do you already deal with, out of interest?
Looks nice. But I'ts strange that there are so many "simple" feedreaders. Where are the tools for powerusers? How many feeds and formats are people using usually to be satisfied with simple?