JPA 2.2 added more alignments with Java 8, such as Java 8 DateTime APIs as well as CDI improvments.
Changed against Java 8 language improvements, a few annotations in JPA supports @Repeatable.
- AssociationOverride
- AttributeOverride
- Convert
- JoinColumn
- MapKeyJoinColumn
- NamedEntityGraph
- NamedNativeQuery
- NamedQuery
- NamedStoredProcedureQuery
- PersistenceContext
- PersistenceUnit
- PrimaryKeyJoinColumn
- SecondaryTable
- SqlResultSetMapping
You do not need a collection concept annotation to wrap these.
Other updates including: