CD Projekt Red sent out the following

 

CD PROJEKT RED today announced that the PlayStation 4 version of Cyberpunk 2077 is available for purchase worldwide on the PlayStation Store.
In addition to the game being available on PlayStation 4, anyone who purchases the game can also play it on PlayStation 5 via backward compatibility. Furthermore, a free PlayStation 5 upgrade for the game will be coming in the second half of 2021 — and will be available for all owners of the PlayStation 4 version of Cyberpunk 2077, including both digital and disc. The upgrade will allow the title to take full advantage of the new console’s more powerful hardware.
For more information about Cyberpunk 2077, please visit cyberpunk.net.
* Users may continue to experience some performance issues with the PS4 edition while CD PROJEKT RED further works to improve stability across all platforms. Playing on PS4 Pro and PS5 will provide the best Cyberpunk 2077 experience on PlayStation.

What do you think of the game on PS4?