While permissions may not have changed overall, the author's attitude towards the use of that data has. Begging for subscribers for a "premium" version that, in short, exposes the exact kind of analytics - even in aggregate - that most people who use Firefox abhor.

We've known in research communities that aggregate data is easily deaggregated using metadata or side-channel information, all of which this plugin's author has access to.

I took the time to create an account here just to file this specific review.

To the addon creator: Do better.