As far as I know that is the reason why Matrix and a few other movies have had such drastic changes in their 4k version. They are indeed forced to redo all the

As far as I know that is the reason why Matrix and a few other movies have had such drastic changes in their 4k version. They are indeed forced to redo all the color timing by going back to the negative. And since they have the opportunity, they go “hey why don’t we just improve the grade” Leading to a movie that looks completely different. Somehow this also happened with the French Connection.