GT Sport was originally supposed to have launched in November, but Sony delayed the game until some time in 2017 to give developer Polyphony Digital more time to "perfect" the game. An unexpected side effect is that pre-orders for the game have stopped and apparently refunds are being given.
Players who pre-ordered the game are getting messages from Sony (via Team VVV) saying that they are getting refunds because the team has no release date yet:
"We have, therefore, decided to cancel your pre-order and refund your pre-order payment. Once we have a new release date for Gran Turismo Sport we will offer a revised pre-order for it on the PlayStation Store at the earliest opportunity.”
While the refund is a nice gesture, it seemingly doesn't bode well for the game as this could turn out to be a long delay. A delay to March or even June might not necessitate a refund, but Sony apparently thinks that the refund is the best move PR wise until they can at least firm up a release window, let alone a solid date.
"We do not want to compromise the experience in any way. While we cannot confirm a new release date at this time, we are more committed than ever to making GT Sport the best Gran Turismo game to date," said Polyphony founder Kazunori Yamauchi when announcing the delay.