@cblgh I can't run this on my daily driver because it's a stinky crApple but I think this looks wonderful, so I bought it anyway.
I struggle to find a feed reader I feel cozy with, and I agree that the open source space is mostly broken and we need to try novel solutions. Congratulations, good luck and great work! When I get around to spinning up a Linux machine/VM again, this will be first on my list to try :)