Is 60 FPS officially confirmed?
No official 60 FPS target appears in the primary sources we track.
The showcase identifies PlayStation 5 capture, but visible footage is not a universal performance specification.
The evidence
No announcement found in the sources checked on the verification date.
Rockstar GamesGrand Theft Auto VI: An Extended LookRockstar GamesGrand Theft Auto VI official siteRead the full supporting guideWhat would change this answer?
A Rockstar or platform-holder technical specification.