Is Overcooked 2 cross-platform?

Overcooked 2 has been out for a while now. But despite its success, it's cross-play support is a bit confusing. So here's a ...
The Sixth Axis

Overcooked! All You Can Eat comes back to PS4, Xbox One, Switch & PC – cross-platform multiplayer update announced

Overcooked! All You Can Eat, the remastered compilation of Overcooked! and Overcooked 2!, is heading back to the platforms it originated on. Having been a launch game for PlayStation 5 and Xbox Series ...