My main browser is Librewolf but I keep a chromium browser just in case. Previously used brave but their flatpak is shit. Ungoogled chromium seems ok but it looks like they don’t change much from upstream chromium. Any good chromium browsers which harden their browsers like librewolf does for more privacy?
That page is telling you that they don’t want to make anything open source unless they are compelled to by law. And so far, they have not been.
Where do they say it?
It literally says that multiple times. Their UI and “other code” is closed, therefore the browser is NOT open source. Giving the base they started with doesn’t equal a browser, and doesn’t equal you being able to compile the finished product. It’s no more open source than Chrome.