How to Obtain Undocumented API Diffs Between iOS VersionsJust in case you were wondering how exactly I compiled the list of undocumented iOS API changes for my last article, let me walk you through it. Clone the iOS Runtime Headers Repository Every time Apple releases a new iOS version, Nicolas Seriot does the excellent job of dumping all existing classes and APIs into his iOS Runtime Headers repository on GitHub. So let’s go ahead and clone the repo lo
