[brians]

We can’t tell whether non-China data goes to Tencent—intentionally or by some bug or adversarial problem.

[woutr_be]

The code [1] along, with this explanation [2] does seem to show that it only happens for devices with the country code set to CN.

[1]: https://github.com/Igalia/webkit/blob/9777baa3db09cad7ed5b2c... [2]: https://news.ycombinator.com/item?id=21242628