PS4 box offers first look at ‘PS5 upgrade’ branding

it was not promoting a unified free cross-generation upgrade program like

Although Sony will reportedly not be actively promoting a cross-gen program, its stance on third-party developers is not unlike Xbox’s, which allows studios to decide for themselves whether to support Smart Delivery or not.

Some companies such as Electronic Arts are running their own upgrade initiatives. Current-gen owners of games such as Smart Delivery is an initiative which means players “only have to purchase a title once in order to play the best available version for whichever Xbox console they choose to play on”.

This is separate from Xbox Series X backwards compatibility, which will run legacy games at current-gen or increased performance levels.