Grand Theft Auto 5 remains one of the most popular games in the world, in no small part due to the ongoing success of its multiplayer half Grand Theft Auto Online. Soon Grand Theft Auto 5 will be able to reach even more potential players, with a tentative release window of March. That may no longer be the case, however. A leaker claims to have heard that Grand Theft Auto 5's next-gen development has hit a hitch and an additional delay could be forthcoming.