No. They publish their changes to Chromium's code, and kind of dodge answering that question: https://help.vivaldi.com/desktop/privacy/is-vivaldi-open-source/

No. They publish their changes to Chromium's code, and kind of dodge answering that question: https://help.vivaldi.com/desktop/privacy/is-vivaldi-open-source/ https://help.vivaldi.com/desktop/privacy/is-vivaldi-open-sou...