https://wccftech.com/cyberpunk-2077-xbox-series-x-performance-mode/

Cyberpunk 2077 has yet to release officially on PC and consoles, but the game has already been updated on Xbox consoles to include additional features.

It has been confirmed on Twitter that a new 43.5 GB big update is now available for the game on Xbox consoles. CD Projekt RED's Fabian Mario Döhla also confirmed that this is not the day one update that is scheduled to go live before launch.