[mimasama]

Sure, "all" operating systems. "All" that is OSes that have a web browser built for it that at least supports [TransformStream](https://developer.mozilla.org/en-US/docs/Web/API/TransformSt...)... And the browser and spec written and maintained mostly by people outside of France. Kinda compromises the point of being "sovereign" doesn't it?

[touisteur]

Forking Firefox whenever the rug is pulled seems doable (with elbow grease), and in the meantime Europeans can invest on problems that don't have an already mature fully open-source solution.