JSR 395 (Java SE 20): 436: Virtual Threads (Second Preview)

Iris Clark iris.clark at oracle.com
Tue Nov 29 22:32:24 UTC 2022

The following JEP with scope "SE" has been proposed to target JDK 20:

  436: Virtual Threads (Second Preview)

  Summary: Introduce virtual threads to the Java Platform.  Virtual
  threads are lightweight threads that dramatically reduce the effort
  of writing, maintaining, and observing high-throughput concurrent
  applications.  This is a preview API.

The announced deadline for feedback to jdk-dev is Tue 6 Dec 23:59 UTC:


If there are no unresolved objections at that time, then the JEP will be moved
to the Targeted state, indicating that the feature is expected to appear in
the specified release of the JDK Project.  For more information about states,
see the JEP Process document:


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



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