Java Specifications
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Jakarta XML Binding (JAXB) API that allows Java developers to map Java classes to XML representations and perform marshalling and unmarshalling between them.
Last Release on Feb 6, 2026
Jakarta Activation API 2.2 Specification
Last Release on Sep 11, 2025
Jakarta XML Web Services API
Last Release on Feb 23, 2026
The Jakarta Persistence API (JPA), providing object-relational mapping capabilities for managing relational data in Java applications.
Last Release on May 21, 2024
Jakarta Mail API 2.1 Specification API
Last Release on Sep 19, 2025
Provides the API for creating and building SOAP messages.
Last Release on May 16, 2024
Java(TM) Persistence API
Last Release on Aug 21, 2017

Jakarta Persistence TCK Common (model, utils, etc.)
Last Release on Apr 22, 2026
Jakarta Web Services Metadata API
Last Release on Oct 26, 2020
Jakarta Persistence TCK DB procedures
Last Release on Apr 22, 2026