[jotto]

This will break a lot of auth0 jwt/login default integrations since it depends on 3rd party cookies.

[marcosdumay]

This. Mozilla got the right tactics by making them session lived by default. Completely banning them will only break stuff.

[Tepix]

Sites shouldn't rely on 3rd party cookies being enabled. Safari has had them disabled since years (forever?) and more and more people are disabling them manually.