New candidate JEP: 487: Scoped Values (Fourth Preview)

Iris Clark iris.clark at oracle.com
Mon Sep 30 19:43:32 UTC 2024


The following JEP with scope "SE" has been moved to the Candidate state:

  487: Scoped Values (Fourth Preview)
  https://openjdk.org/jeps/487

    Summary: Introduce scoped values, which enable a method to share
    immutable data both with its callees within a thread, and with child
    threads.  Scoped values are easier to reason about than thread-local
    variables.  They also have lower space and time costs, especially when
    used together with virtual threads (JEP 444) and structured concurrency
    (JEP 480).  This is a preview API.

JEP in the Candidate state is a feature deemed worthy of consideration by
the JDK Project, but with no commitment to deliver the feature in any
particular release of the JDK Project. Later, the JEP may be moved to the
Targeted state, which indicates that the feature is expected to appear in a
specific release of the JDK Project.  For more information about states, see
the JEP Process document:

    https://openjdk.org/jeps/1

A JEP with "SE" scope that reaches the Targeted state will be listed in the
Specification of the Java SE Platform JSR which corresponds to the targeted
JDK Project release.

A dashboard that lists JEPs with "SE" scope may be found via a link on this
page:

    https://openjdk.org/projects/jdk/24/spec/

Thanks,
Iris


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