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## Identity properties match existing entities in all graphs

Zep now uses the identity properties of an entity type to find an existing entity in all graphs. Before, in some graphs, an identity property match occurred only when a name search or an embedding search also found the existing entity. Such graphs could get duplicate entities.

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## Episodes of users with blank names are processed

Zep now processes the episodes of a user whose first name or last name contains only spaces. Before, the processing of each episode of such a user failed. If the first name and the last name are both blank, Zep uses the user ID as the name of the user node.

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