Those are some of our newest and still very comfortable cabins in service so I doubt they would push to get them done early. 787-10 will have the new polaris seat from Kodiac as long as they have fixed their supply chain issues. I know our passengers like the new polaris seat for aisle access and storage but the old seat (on the 787) was very similar in many ways.

https://runwaygirlnetwork.com/2017/0...y-performance/