> but I can't help but think that API versioning would be the more correct way to do it I'm not sure what you mean, because to me that's what they're already d

> but I can't help but think that API versioning would be the more correct way to do it I'm not sure what you mean, because to me that's what they're already doing, where the API version maps to the OS version. When compiling in XCode, you can select which OS version you're targeting, and that essentially gives you which API version you're targeting.