Drew

Sort of the opposite of what you asked, but adding here to increase variety

I just use miniflux, self hosted is easy if you have docker-compose and you could access it from your browser locally. It also works great on mobile.

This looks so clean

Tweaking the init file goes a long way in speeding up Emacs init, you can change the GC threshold during initialisation, as well as only load a minimum amount of packages

forgejo is a fork made by a nonprofit and deals with security issues much quicker

I use the PWA so there’s no issue

I use omnivore, not exactly what you want but it’s great, and doubles as an RSS and newsletter reader

You could try postmarketOS

The old version will still be available under whatever license it was released with