Not in detail afaik. The impression I got was that they somehow just didn't consider that people not looking for it would notice, and per the statement at the t

Not in detail afaik. The impression I got was that they somehow just didn't consider that people not looking for it would notice, and per the statement at the time (https://blog.mozilla.org/en/firefox/retrospective-looking-glass/ https://blog.mozilla.org/en/firefox/retrospective-looking-gl...) the review process was too focused on privacy vs the big picture.