[brmgb]

> Due to the way iOS works (dynamic dispatch) private APIs can only be prevented through an App Store review process.

That's complete nonsense.

Dynamic dispatch has nothing to do with the ability or not of a program to access API. Dynamic dispatch is the selection at runtime of the correct version of a polymorphic function. Obviously, you can sandbox programs written in languages using dynamic dispatch.

[threeseed]

Be curious how you plan to prevent access to Apple's private APIs in Objective-C, which uses dynamic dispatching, without breaking existing code.

I am sure Apple would love to know how you've managed to solve this.

[gpderetta]

sign existing code.

[ben_w]

They do, this is an argument about how they decide when it is OK to sign that code.