No, the PS5 won't be backwards compatible with PS3, PS2, or PS1 games - Clocked
PS5 Backwards Compatibility | GGRecon
Is the PS5 backwards compatible with PS2, PS3, and PS4 games?
Sony Has Provided An Update On PS5 Backwards Compatibility
How PS5 Backwards Compatibility Works - GameSpot
PS5 BACKWARDS COMPATIBILITY WITH PS4 +3+2+1 PATENTED? GAMESTOP CAN'T TRADE ITSELF, & MORE - YouTube
PlayStation Store gets PS3 games: is PS5 backwards compatibility next? | Metro News
PS5 Backwards Compatibility: Can You Play PS4 Games On PS5?
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
Will PS5 Be Backwards Compatible With PS3, PS2, and PS One in Update? - PlayStation LifeStyle
PS5 and PS3 Backwards Compatible Update: Bug Gets Fans Excited - PlayStation LifeStyle
PS5 Backwards Compatibility Database Catalogues Improvements And Performance Of PS4 Games On Sony's New Console - PlayStation Universe
Full PS5 Backwards Compatibility with PS4, PS3, PS2, and PS1 Games Hinted At By Ubisoft - YouTube
PS5 backward compatibility: PS4 games list, USB external drive support - Polygon
PS5 backwards compatibility: Will Sony's next-gen console play your old games? | Trusted Reviews
Sony patent hints at cloud-based backwards compatibility for PS5 | VG247