Credit to our very own salromano
On June 3rd/4th no less, the previous date for the PS5 event.
Gran Turismo + Polyphony Digital trademarks were filed in Argentina on June 4:
Gran Turismo title: https://www.tmdn.org/tmview/#/tmview/detail/AR500000003900512
GT logo: https://www.tmdn.org/tmview/#/tmview/detail/AR500000003900513
Polyphony Digital logo: https://www.tmdn.org/tmview/#/tmview/detail/AR500000003900514
On June 3rd/4th no less, the previous date for the PS5 event.