Round Yelp Logo Vector: Enhancing Stream API with Custom Operations

The Java community is abuzz with excitement as the Vector API team prepares to adapt its implementation to use new features from Project Valhalla. This significant update will promote the Vector API from Incubation to Preview, allowing developers to experience enhanced stream pipelines that can transform data in ways previously not possible.

To achieve this, the Vector API will continue to incubate until the necessary features of Project Valhalla become available as preview features. The journey began with JEP 338, Vector API (Incubator), which was delivered as an incubator module in JDK 16. Since then, numerous iterations have refined the feature, incorporating feedback from developers and improving its functionality.

The latest milestone release, JEP 461, Stream Gatherers (Preview), delivered in JDK 22, marks a significant step forward in this journey. This preview introduced custom intermediate operations, allowing stream pipelines to transform data in innovative ways. Building upon this foundation, the second round of preview, JEP 473, Stream Gatherers (Second Preview), has been promoted from Proposed to Targeted for JDK 23.

In related news, Jakarta EE 11 has released its second milestone, featuring both Stream Gathers (Second Preview) and Vector API (Eighth Incubator) targeted for JDK 23. Other notable releases include the first release candidate of Spring Boot 3.3.0, the first alpha release of Hibernate 7.0.0, and the fifth milestone release of GlassFish 8.0.0.

The enhanced Stream API will allow developers to create more complex data transformations, opening up new possibilities for innovative applications. With this update, Java developers can look forward to even greater flexibility and power in their stream pipelines, further solidifying Java's position as a leading platform for enterprise software development.

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