JEP proposed to target JDK 26: 525: Structured Concurrency (Sixth Preview)

Mark Reinhold mark.reinhold at oracle.com
Mon Nov 10 15:16:21 UTC 2025


2025/10/31 14:10:09 -0400, Mark Reinhold:
> The following JEP is proposed to target JDK 26:
>
>   525: Structured Concurrency (Sixth Preview)
>      https://openjdk.org/jeps/525
>
>   Summary: Simplify concurrent programming by introducing an API for
>   structured concurrency.  Structured concurrency treats groups of
>   related tasks running in different threads as single units of work,
>   thereby streamlining error handling and cancellation, improving
>   reliability, and enhancing observability.  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 20:00 UTC on Friday, 7 November, 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 26.

Hearing no objections, I’ve targeted this JEP to JDK 26.

- Mark



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