I use NetNewsWire. Since I am happily entrenched in the Apple ecosystem, it works great with its iCloud syncing. This way I can use it on my phone and laptop while not having to set up any server-side infrastructure or rely on a third party to host anything. (Granted I am relying on the iCloud storage for device syncing. But it did not involve any kind of setup and the files are encrypted such that Apple cannot read them.)
This is just gross. Just another privacy invasion from the company that decided to track and de-anonymize people around the internet even while those people were doing all the right things to prevent it.
https://lifehacker.com/tech/meta-apps-have-been-covertly-tracking-android-users-web-activity-for-months