I don't agree. In Chromium at least the feature to disable third-party cookies is in a very obvious place: Settings > Advanced > Privacy and security > Content

I don't agree. In Chromium at least the feature to disable third-party cookies is in a very obvious place: Settings > Advanced > Privacy and security > Content settings > Cookies Regarding referrer you may be right. However you can change it with extensions. And now that I think about it, the same is true for third-party cookies.