It is not certain whether three months is enough time to completely redesign Sonic in the feature film.
Director Jeff Fowler pledged to redesign Sonic and has now confirmed a new release date for the film, on 14 February 2020.
Rob Letterman, whose film Detective Pikachu features a similar CGI character, told The Verge: “It would be very difficult for us to redesign anything.
The live-action film adaptation of Sonic the Hedgehog has been pushed back by nearly three months, in order to give filmmakers time to fix the CGI character.