I don't think it's the same. There is a list of things that Firefox isolates per-domain here [1], it's much more than cookies. There is a Brave ticket here but

I don't think it's the same. There is a list of things that Firefox isolates per-domain here [1], it's much more than cookies. There is a Brave ticket here but not much has happened: https://github.com/brave/brave-browser/issues/1053 https://github.com/brave/brave-browser/issues/1053 [1] https://2019.www.torproject.org/projects/torbrowser/design/#identifier-linkability https://2019.www.torproject.org/projects/torbrowser/design/#...