In my opinion, it’s better to keep as much as possible or the flashbacks and cut the whole Hera/NR subplot.

In the end, the NR subplot is just a filler, and it was one of the weakest points of the show. I guess most of fans didn’t enjoy it.

On the other hand, let’s be honest, people love the Anakin stuff, and those flashbacks were important I’m terms of the “Lesson” and Ahsoka’s character development. Also, if you take in consideration viewers/fans who never watched TCW, those flashbacks add a lot in terms of Ahsoka/Anakin story. I understand that for the sake of a coherent, well paced 3h movie you have to trim stuff, but I in my opinion you should keep this flashback stuff, as much as possible.

And again, Hera/NR stuff was really weak and in the end turned out to be a useless filler.

EDIT
I’d be happy to watch the rough cut of this 😉 I ll have to spend 2h in a train tomorrow anyway 😉