The resulting API analysis is too large when upload app to mac store

Question

I am going to upload my first mac app to Apple Store

And fixed all validation bugs of icon,category...

But after then I passed validation with warning :

Answer 1

After hitting this issue for the first time on my first Swift project, it looks like the most common answer to this question is now:

If you use Swift 2.x and XCode 7, you'll get this error. Just ignore it.

[UPDATE: XCode 7.3 & iOS 9.3 rollout seems to have fixed this issue!]