It seems that CD Projekt Red has done a good job with its free next-gen update for Cyberpunk 2077. Extensive videos show that the game loads considerably faster on current-generation consoles than it did previously. Performance and graphics improvements are evident in Patch 1.5 too.
https://www.notebookcheck.net/Cyberpunk-2077-Loading-times-drastically-reduced-with-free-next-gen-update-for-the-Xbox-Series-S-Xbox-Series-X-and-PlayStation-5.600252.0.html