Final Fantasy 16 was officially announced during the PlayStation 5 showcase, and was revealed to be a console exclusive for PS5.
Yes, Redfall was originally planned for PS5
Rumor - Community - Final Fantasy VII Rebirth, Review Thread
PS5 FINAL FANTASY XVI FF16 Limited Edition DualSense Controller
Final Fantasy XVI Developers Promise Performance Improvements
Final Fantasy 16 revealed as PS5 console exclusive - Dexerto
Final Fantasy 16 - Dexerto
PS5 Final Fantasy 16 Console Bundle Preorders Are Now Live - GameSpot