The Eclipse Starter for Jakarta EE is a source code generator for Jakarta EE projects. That means that it is a natural fit under the EE4J umbrella.
The Jakarta Server Faces project provides the specification document for the Jakarta Server Faces specification.
Jakarta Contexts and Dependency Injection defines a powerful set of complementary services that help to improve the structure of application code.
A well-defined lifecycle for stateful objects bound to lifecycle contexts, where the set of contexts is extensible
A sophisticated, typesafe dependency injection mechanism, including the ability to select dependencies at either development or deployment time, without verbose configuration
The Jakarta Batch project describes the XML-based job specification language (JSL), Java programming model, and runtime environment for batch applications for the Java platform.
The specification ties together the Java API and the JSL (XML) allowing a job designer to compose a job in XML from Java application artifacts and conveniently parameterize them with values for an individual job. This structure promotes application reuse of artifacts across different jobs.
Some key features: