5.5. Migrating from Kodo 4.0 to Kodo 4.1

Oracle has donated a large part of Kodo's persistence kernel and JPA bindings to the Apache Software Foundation as the OpenJPA project. The 4.1 release of Kodo now deploys on top of the standard OpenJPA jars, adding extended features and performance enhancements. This deployment style allows you to build a custom OpenJPA jar from source while continuing to use Kodo's commercial features; however, it has many important consequences for users upgrading from Kodo 4.0:

Finally, Kodo 4.1 also implements the final JDO 2 specification. Some JDO APIs and behaviors may have changed slightly from darft specification versions.


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