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Outstanding!!!! Rated 5 out of 5 stars
I've been looking for a replacement for Update Notifier since support had been dropped beginning with Firefox v4.0. Not only does this add-on replace Update Notifier, it blows it out of the water!!! Even if Update Notifier were still being supported, I would have switched to this add-on instead. Excellent!!! And thank you so much!This review is for a previous version of the add-on (1.3.1-signed).