CoreText Changes for Objective-C CoreText CoreText.h Added #def kCTVersionNumber10_12 CTDefines.h Added #def CT_EXPORT CTFontDescriptor.h Added kCTFontDownloadedAttribute CTParagraphStyle.h Modified kCTParagraphStyleSpecifierLineSpacing Deprecation From-- ToOS X 10.12 CTRubyAnnotation.h Added CTRubyAnnotationCreateWithAttributes() Added kCTRubyAnnotationScaleToFitAttributeName Added kCTRubyAnnotationSizeFactorAttributeName CTStringAttributes.h Added kCTBackgroundColorAttributeName Added kCTHorizontalInVerticalFormsAttributeName SFNTLayoutTypes.h Added kKERXValuesAreLong Added kSFNTLookupVector Added SFNTLookupVectorHeader