What is the warning for migrating to SDN6 and upgrading from neo4j 4 to 5 in Neo4j?

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The warning for migrating to SDN6 and upgrading from Neo4j 4 to 5 in Neo4j is that it may involve significant changes to the application code, as SDN6 has undergone major changes from its previous versions and the upgrade to Neo4j 5 may introduce breaking changes. Therefore, careful planning and testing are required before making the switch. Additionally, some features may not be supported in SDN6 and it may require additional configuration or customization to achieve the desired functionality. It is recommended to thoroughly review the documentation and consult with the support team before proceeding with the migration and upgrade process.