2.5. Upgrading from Kodo 2
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## 2.5. Upgrading from Kodo 2

There are significant differences to properties, mappings, and internal APIs between previous versions of Kodo and Kodo 3. For information about how to migrate from Kodo 2 to Kodo 3, see the migration guide in Appendix D of the Kodo JDO documentation.

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