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Hibernate ORM 5.2.0

@sebersole sebersole released this
· 4104 commits to main since this release
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5.2.0 includes many improvements and bug-fixes. For a complete list of changes, see

Many of the changes in 5.2.0 have important ramifications in terms of both usage and extension. Be sure to read the 5.2 Migration Guide for details.

Below is a discussion of the major changes.

Java 8 baseline

5.2 moves to Java 8 as its baseline. This means:

  • The hibernate-java8 module has been removed, and that functionality has been moved into hibernate-core.
  • Native support for Java 8 date/time types as Query parameters.
  • Support for streaming ( query results.
  • Support for java.util.Optional as return from methods that may return null.
  • Leveraging Java 8 "default methods" when introducing new methods to extension points.

Consolidating JPA support into hibernate-core.

That effectively means that the hibernate-entitymanager module no longer exists. Its functionality being consumed into hibernate-core.

JCache support

Support for using any JCache-compliant cache impl as a second-level caching provider.

Session-level batch size support

Support has been added for specifying a batch size for write operations per Session.