The Xiaomi Mint Browser (and several others produced by them) send the URLs you visit to remote servers - whilst you are in normal browsing mode or Incognito mode.

These are tied to a UUID which is the same day-to-day, and the same between normal browsing and Incognito.

They are not anonymised or aggregated.

This is an incredible violation of privacy in my opinion

Xiaomi later responded, saying they will give users opt-out. I don't think it's enough:
https://www.youtube.com/watch?v=nea1t...