https://variety.com/2019/tv/features/the-blacklist-season-6-finale-interview-red-katarina-1203218930/

The NBC drama was informed in advance it would be renewed. ALSO: Producers don't create stories based on online feedback (https://tvline.com/2019/05/17/the-blacklist-recap-season-6-finale-episode-22-katarina-rostova/).