George R.R. Martin has expressed criticism of changes made to the tv series House of the Dragon, including its plot and his relationship with the showrunner. There are reports of concerns over the direction of the show, particularly with regards to season 3, with some changes potentially having significant implications for the story. The specifics of the changes and the full nature of Martin's criticisms are not entirely clear, but they appear to be related to creative decisions and the show's faithfulness to the original material.