No. But the bar for “personal data” is very low, and any data that could conceivably be linked to an individual is personal data. I’m not familiar with how this

No. But the bar for “personal data” is very low, and any data that could conceivably be linked to an individual is personal data. I’m not familiar with how this function works, but Mozilla would almost certainly have to work quite hard to avoid falling foul of this: > ‘personal data’ means any information relating to an identified or identifiable natural person (‘data subject’); an identifiable natural person is one who can be identified, directly or indirectly, in particular by reference to an identifier such as a name, an identification number, location data, an online identifier or to one or more factors specific to the physical, physiological, genetic, mental, economic, cultural or social identity of that natural person;