To be fair, the 787 isn't bog standard. It's built from composites, which change a lot of dynamics in the plane. Similarly, there were a lot of avionics updates

To be fair, the 787 isn't bog standard. It's built from composites, which change a lot of dynamics in the plane. Similarly, there were a lot of avionics updates from the previous generations. It looks standard, but there were a lot of improvements to the plane that required a lot of work.