https://www.pathofexile.com/forum/view-thread/1904790
Since this expansion will be doing away with the multiple difficulty requirement (Cruel and Merciless are being removed) and mixing up content for the acts that comprise 6-10 (Act 5 will be completely new), I plan on playing the game for the story line aspect.
I know there isn’t much that will be changing with character animations and combat (which were what eventually killed being able to enjoy playing this game a lot) but I think going through the entire story arc will be something worth playing on a new character even though I know it won’t push me to revisit end game again.