JEP proposed to target JDK 24: 487: Scoped Values (Fourth Preview)

Mark Reinhold mark.reinhold at oracle.com
Thu Oct 31 17:37:13 UTC 2024


2024/10/23 9:57:24 -0400, mark.reinhold at oracle.com:
> The following JEP is proposed to target JDK 24:
> 
>   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.
> 
> Feedback on this proposal from JDK Project Committers and Reviewers [1]
> is more than welcome, as are reasoned objections.  If no such objections
> are raised by 16:00 UTC on Wednesday, 30 October, or if they’re raised
> and then satisfactorily answered, then per the JEP 2.0 process proposal
> [2] I’ll target this JEP to JDK 24.

Hearing no objections, I’ve targeted this JEP to JDK 24.

- Mark


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