"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
If you have syncing on, you are already trusting Mozilla with your history.
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You are correct. My mistake.
https://www.mozilla.org/en-US/firefox/features/sync/
Oh yeah, agreed, if your syncing then your security model doesn’t include worrying about tracking.