The following important issues are resolved in this version:
KeyUsage is a bitstring and it's Least Significant Bit, not MSB.
Access service support improved. Public keys of PKCS #8, PKCS #8 and x509 certificate must validate on load. KeyAgreementScheme added to meter properties.
Access service support improved. Delta value encoding conformance flag added that is added in Green Book Ed. 10.
ECDSA support improved.
ECDSA Certificate changes.
ECDSA counting speed improved. Pem and DER support improved for Pkcs #8, Pkcs #10 and x509Certificate.
Association LN access_mode enumerated values updated for version 3. Capture Object in Selective access get unmached type Spain COSEM descriptions improved. M-Bus slave port setup bus address type (attribute #5) fixed from UInt16 to UInt8. Profile Generic read improved for meters that don't send date-time field after initial row.
Write data value with type Int32 PLC functionality improved.
Support for High resolution clock added. Time is in milliseconds since 1970-01-01 00:00:00. OBIS codes descriptions updated to the version 3.3.
GXIec8802LlcType*Setup renamed to GXDLMSIec8802LlcType*Setup.
Profile generic improved for Iskraemeco when meter is in different time zone then the client.
Support for PLC Logical link control (LLC) connectionless profile sublayer IEC 61334-4-32. Support for PLC Logical link control (LLC) HDLC profile sublayer. Elliptic Curve Digital Signature Algorithm support added.
activatePassiveCalendar method added to GXDLMSActivityCalendar.
GloConfirmedServiceError and DedConfirmedServiceError support added.
Changes for Security policy version 1. GXDLMSTranslator.MessageToXml overloaded to add better support for translated message. IncreaseInvocationCounterForGMacAuthentication property added for GXDLMSClient.
ProposedConformance uses GeneralProtection only if pre-established system title is set. Itron SL7000 Profile Generic 0.0.99.1.0.255 ReadRowsByRange support improved. Own exception type for exception response.
GXDateTimeOS, GXDateOS and GXTimeOS classes added to write date time values as octet string. Attribute and method access are serialized to XML.
Bit-string support added to GXDLMSConverter.ChangeType.
Ded issue fixed for High authentication.
Activity calendar active and passive names are shown as hex string if not ASCII string. XMLClient fails to load xml integer values. Dedicated key is sent in test mode if set.