"No shady privacy policies or back doors for advertisers" proclaims the Firefox homepage, but that's no longer true in Firefox 128.
Less than a month after acquiring the AdTech company Anonym, Mozilla has added special software co-authored by Meta and built for the advertising industry directly to the latest release
To disable:
user_pref("dom.private-attribution.submission.enabled", false);
Alternatively you can do the same through Settings -> Privacy & Security -> Website Advertising Preferences and uncheck “Allow websites to perform privacy-preserving ad measurement”
Yup, but that’s already mentioned in the article. Thought I’d give people the exact userpref, so they can modify their custom
user.js
if they have one.