NetworkExtension iOS 12.4 to 13.0 API Differences

NEAppProxyProvider.h
Added -[NEAppProxyProvider handleNewUDPFlow:initialRemoteEndpoint:]
NEDNSProxyProvider.h
Added -[NEDNSProxyProvider handleNewUDPFlow:initialRemoteEndpoint:]
NEFilterControlProvider.h
Removed -[NEFilterControlProvider handleReport:]
NEFilterFlow.h
Added NEFilterFlow.direction
Modified NEFilterSocketFlow.socketFamily
Declaration
From@property int socketFamily
To@property (readonly) int socketFamily

Modified NEFilterSocketFlow.socketType
Declaration
From@property int socketType
To@property (readonly) int socketType

Modified NEFilterSocketFlow.socketProtocol
Declaration
From@property int socketProtocol
To@property (readonly) int socketProtocol

NEFilterManager.h
Added NEFilterManagerErrorConfigurationPermissionDenied
Added NEFilterManagerErrorConfigurationInternalError
Added NEFilterManagerGrade
NEFilterPacketProvider.h
Added NEFilterPacketProviderVerdict
NEFilterProvider.h
Added -[NEFilterProvider handleReport:]
Added NEFilterReportEvent
Added NEFilterReportEventNewFlow
Added NEFilterReportEventDataDecision
Added NEFilterReportEventFlowClosed
Added NEFilterReport.event
Added NEFilterReport.bytesInboundCount
Added NEFilterReport.bytesOutboundCount
NEHotspotConfigurationManager.h
Added #def NEHSCFG_EXPORT
Added NEHotspotConfiguration.SSIDPrefix
Added NEHotspotConfiguration.hidden
Added -[NEHotspotConfiguration initWithSSIDPrefix:]
Added -[NEHotspotConfiguration initWithSSIDPrefix:passphrase:isWEP:]
Added NEHotspotConfigurationErrorDomain
Added NEHotspotConfigurationErrorInvalidSSIDPrefix
NENetworkRule.h
Added NENetworkRuleProtocol
Added NETrafficDirection
Added NETrafficDirectionAny
Added NETrafficDirectionInbound
Added NETrafficDirectionOutbound
NEProvider.h
Added NEProviderStopReasonSleep
Added NEProviderStopReasonAppUpdate
NEVPNProtocolIKEv2.h
Added NEVPNIKEv2EncryptionAlgorithmChaCha20Poly1305
Added NEVPNIKEv2DiffieHellmanGroup31
Added NEVPNIKEv2CertificateTypeEd25519
Added NEVPNProtocolIKEv2.enableFallback