There's a reason I don't write mobile apps, and it's all the flaming hoops you have to jump through: both in the build system and from the random whims of reviewers.

I’ve been doing it for a decade now. I have a list of everything I’ve been rejected for. New apps must satisfy the list before I put them up for first review. New apps pass first try now.

Build system woes are almost always solved by deleting build cache & artifacts and trying again. Often necessary after messing around with deeper dependencies.