CoreText watchOS 5.3 to 6.0 API Differences

CoreText.h
Added #def kCTVersionNumber10_15
CTDefines.h
Added #def CT_DEPRECATED_WITH_REPLACEMENT
Added #def CT_ENUM_AVAILABLE
CTFont.h
Added CTFontCreateForStringWithLanguage()
Added kCTFontFeatureSampleTextKey
Added kCTFontFeatureTooltipTextKey
CTFontManager.h
Removed kCTFontManagerScopeSession
Added CTFontManagerCreateFontDescriptorsFromData()
Added kCTFontManagerScopePersistent
Added CTFontManagerRegisterFontURLs()
Added CTFontManagerUnregisterFontURLs()
Added CTFontManagerRegisterFontDescriptors()
Added CTFontManagerUnregisterFontDescriptors()
Modified CTFontManagerRegisterFontsForURLs()
AvailabilityReplacement
FromAvailablenone
ToDeprecatedCTFontManagerRegisterFontURLs

Modified CTFontManagerUnregisterFontsForURLs()
AvailabilityReplacement
FromAvailablenone
ToDeprecatedCTFontManagerUnregisterFontURLs

CTFontManagerErrors.h
Added kCTFontManagerErrorRegistrationFailed
Added kCTFontManagerErrorMissingEntitlement
Added kCTFontManagerErrorInsufficientInfo
Added kCTFontManagerErrorCancelledByUser
Added kCTFontManagerErrorDuplicatedName
Added kCTFontManagerErrorInvalidFilePath
CTGlyphInfo.h
Added CTGlyphInfoGetGlyph()
Modified CTGlyphInfoCreateWithGlyphName()
Declaration
FromCTGlyphInfoRef CTGlyphInfoCreateWithGlyphName(CFStringRef glyphName, CTFontRef font, CFStringRef baseString)
ToCTGlyphInfoRef CTGlyphInfoCreateWithGlyphName(CFStringRef glyphName, CTFontRef font, CFStringRef baseString)

Modified CTGlyphInfoCreateWithGlyph()
Declaration
FromCTGlyphInfoRef CTGlyphInfoCreateWithGlyph(CGGlyph glyph, CTFontRef font, CFStringRef baseString)
ToCTGlyphInfoRef CTGlyphInfoCreateWithGlyph(CGGlyph glyph, CTFontRef font, CFStringRef baseString)

Modified CTGlyphInfoCreateWithCharacterIdentifier()
Declaration
FromCTGlyphInfoRef CTGlyphInfoCreateWithCharacterIdentifier(CGFontIndex cid, CTCharacterCollection collection, CFStringRef baseString)
ToCTGlyphInfoRef CTGlyphInfoCreateWithCharacterIdentifier(CGFontIndex cid, CTCharacterCollection collection, CFStringRef baseString)

CTRun.h
Added CTRunGetBaseAdvancesAndOrigins()
CTStringAttributes.h
Added kCTTrackingAttributeName