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
Exhaustive PS5 Backwards Compatibility Database Reveals Which Games to Play on Sony's Next-Gen System | Push Square
PS5 and PS3 Backwards Compatible Update: Bug Gets Fans Excited - PlayStation LifeStyle
PS5 Backwards Compatibility List & Guide: Which PS4 Games Won't Work?
Will PS5 Be Backwards Compatible With PS3, PS2, and PS One in Update? - PlayStation LifeStyle
PS5 backwards compatibility list: Which PS4 games will be backwards compatible with PlayStation 5? | Eurogamer.net
Backward compatibility: PS4 games playable on PS5 consoles
Is the PS5 backward compatible with PlayStation 2, PlayStation 3 or PlayStation 4 games? | Sporting News
PS5 Backwards Compatibility: Can You Play PS4 Games on PlayStation 5? | Push Square
Is The PS5 Backwards Compatible?
PS5 will have Backwards Compatibility with PS3 due to this Hardware Update... - YouTube
PlayStation France Info Page May Have Confirmed PS5 Backwards Compatibility
PS5 Backwards Compatibility May Be Possible, But It'll Be a While
Is PS5 backward compatible? Here's everything you need to know | TechRadar
PS5 Backwards Compatibility: Can You Play PS4 Games On PS5?