PS5 can read PS4 discs, backwards compatibility for all but 10
Sony has finally explained how the PS5’s backwards compatibility works and how you can upgrade select PS4 games to next gen.
All PS4 Yakuza games will be backwards compatible with Playstation 5! - Yakuza Fan
PlayStation 5 backwards compatibility tested - and it's fantastic
Backward compatibility: PS4 games playable on PS5 consoles
These PS4 Games Break PS5 Backwards Compatibility
Exhaustive PS5 Backwards Compatibility Database Reveals Which Games to Play on Sony's Next-Gen System
PS3 backwards compatibility on PS5 soon ? - The Independent Video Game Community
PS5 will let you stream PS4 games — but is it worth it?
Can you Play a PS4 Disc Games on PS5 Console (Fast INFO)
Is the PS5 backwards compatible with PS2, PS3, and PS4 games?
What if the PS5 Could Play Games from Every PlayStation Console? - Talking Point
Can a PS5 Play PS3 and PS4 Games? Yes, Mostly
PS4 Backwards Compatibility: Can You Play PS1, PS2, and PS3 Games on PS4?