PS5 patent suggests PS3, PS2 and PS1 backwards compatibility is coming | Laptop Mag
PS5 Backwards Compatibility Doesn't Extend to PS1, PS2, PS3 Games
Sony makes it official: PlayStation 5 won't natively support PS1, PS2, PS3 | Ars Technica
Recently there's an influx of “PS5 backwards compatible” articles on google reporting it will play ps1 through ps4 titles. If it's true, much respect to Sony. : r/PS3
PS5 Backwards Compatibility - Will PlayStation 5 Play PS4 Games?