I think it's safe to say they're following the Driveclub formula:
Update is coming next week. 来週、アップデートが来ます。#GranTurismoSport #GTSport #GranTurismo #PS4share pic.twitter.com/dwaahBGTVb
— 山内 一典 / Kaz Yamauchi (@Kaz_Yamauchi) May 24, 2018
The PS5 Exists.