Gran Turismo Sport has been updated to version 1.68 today by Polyphony Digital. You can find out the complete patch notes from here.
The patch notes mention that this update is simply for improving the connection stability. There doesn’t appear to be any other major change in this update. You can view the details on the official website, or see them below.
Gran Turismo Sport Update 1.68 Patch Notes
Main Features Implemented
1. Lobby
– Improved connection stability.
The support for the game is winding down as we get closer to the launch of Gran Turismo 7, which will be out on March 4, 2021, for the PS4 and PS5.