Original Scream franchise writer Kevin Williamson reveals that he initially had a very different story in mind for Sidney Prescott in Scream 4, 5, and 6. Introduced in Wes Craven's 1996 franchise-starter, Neve Campbell's Sidney Prescott has played a crucial role in five out of the six movies in the franchise. Williamson penned the first four movies, all of which feature Sidney as the central protagonist, something that changes in the 2022 legacy sequel under new writers James Vanderbilt and Guy Busick.
https://screenrant.com/scream-sequel-trilogy-sidney-story-marriage-different-details/