Von meinem Lieblings-Feedreader NetNewsWire gibt es eine neue Version:

NetNewsWire 2.0.1 adds support for Atom 1.0 feeds, fixes a couple crashing bugs, and updates the Sites Drawer—read the change notes for the full scoop. Both full and Lite versions of 2.0.1 have been released.

Die leichte Version gibt es auch in neu: NetNewsWire Lite 2.0.1