Yellowstone creator 'disappointed' in Kevin Costner's exit amid scheduling conflicts and uncertain fate of John Dutton

Taylor Sheridan expresses disappointment over Kevin Costner's exit from Yellowstone to focus on his own Western epic film series called Horizon
Talks are ongoing to bring Costner back to film scenes to bring John's storyline to an end, though Sheridan won't craft Dutton's final path to suit any agenda but storytelling
Costner reportedly left due to alleged drama with Sheridan over filming commitments, though Sheridan denies any involvement in the scheduling issue
Matthew McConaughey is in late-stage negotiations to star in a potential Yellowstone spin-off that may end up as a standalone story
The second portion of Yellowstone's final season may run longer than the previously reported six episodes to properly conclude the show