os Changes os (Added) Added OS_OBJECT_HAVE_OBJC_SUPPORT Added OS_OBJECT_USE_OBJC Added OS_OBJECT_USE_OBJC_RETAIN_RELEASE Added os_release(UnsafeMutablePointer<Void>) Added os_retain(UnsafeMutablePointer<Void>) -> UnsafeMutablePointer<Void> Sending feedback… We’re sorry, an error has occurred. Please try submitting your feedback later. Thank you for providing feedback! Your input helps improve our developer documentation. How helpful is this document? * Very helpful Somewhat helpful Not helpful How can we improve this document? Fix typos or links Fix incorrect information Add or update code samples Add or update illustrations Add information about... * * Required information To submit a product bug or enhancement request, please visit the Bug Reporter page. Please read Apple's Unsolicited Idea Submission Policy before you send us your feedback.