Improvements for all platform versions and in particular the PS5 version
Hotfix 1.22 is available on PC, consoles and Google Stadia. According to the developer, the update should fix several frequently reported issues since the most recent patch, as well as add further improvements to the stability and performance of the game.
One of the specific areas for improvement is that update 1.22 specifically improves the stability and performance of the PlayStation 5 version of the game. In particular, this would involve improvements in memory.
A complete list of improvements can be found on the Cyberpunk 2077 website.