Rated 5 out of 5 stars

Very helpful add-on but stopped working recently.

This review is for a previous version of the add-on (2.5.2.1-signed). 

Update

Thank you for the review.Older versions of the addon prior to 2.5.5 will not work.
Please install the lastest version.
https://addons.mozilla.org/en-US/firefox/addon/feedly-notifier/versions/?page=1#version-2.5.5