> What makes you disqualify Firefox from being a "proper open source browser"?

- June 2024. Mozilla acquires Anonym, an ad metrics firm.

- July 2024. Mozilla adds Privacy-Preserving Attribution (PPA), feature is enabled by default. Developed in cooperation with Meta (Facebook).

- Feb 2025. Mozilla updates its Privacy FAQ and TOS. "does not sell data about you." becomes "... in the way that most people think about it".