Version: 4.5-r2 New feature Changed characteristics of an existing feature (including a mechanism for indicating a change of the unique identifier) Withdrawn feature The version of the AIXM-Update.xsd schema to which the message conforms The effective date and time of the update The originator (source) of the message A sequential number (unique for all AIXM-Update messages issued by the same originator) The date and time when the message was created Indicates whether the optional 'chg' attributes are used in the current message, to flag elements that contain a changed value (feature property) DEPRECATED-4.5 [Deprecated] DEPRECATED-4.0 [Deprecated] DEPRECATED-4.0 [Deprecated] DEPRECATED-4.0 [Deprecated] DEPRECATED-4.0 [Deprecated] DEPRECATED-4.0 [Deprecated] DEPRECATED-4.5 [Deprecated] DEPRECATED-4.0 [Deprecated] DEPRECATED-4.0 [Deprecated] DEPRECATED-4.0 [Deprecated] DEPRECATED-4.0 [Deprecated] DEPRECATED-4.0 [Deprecated] DEPRECATED-4.5 [Deprecated] DEPRECATED-4.0 [Deprecated] DEPRECATED-4.0 [Deprecated] DEPRECATED-4.0 [Deprecated] DEPRECATED-4.0 [Deprecated] DEPRECATED-4.0 [Deprecated]