Where did you get that?
A quick search lands me on this page https://vivaldi.com/source/
Edit: also this https://help.vivaldi.com/desktop/privacy/is-vivaldi-open-source/
Where did you get that?
A quick search lands me on this page https://vivaldi.com/source/
Edit: also this https://help.vivaldi.com/desktop/privacy/is-vivaldi-open-source/