Significant degradation of Thread.sleep with virtual threads in JDK 25 vs JDK 21

Alan Bateman alan.bateman at oracle.com
Tue Dec 2 07:37:01 UTC 2025


On 02/12/2025 07:12, Fredriksson, Christian wrote:
> Hi,
>
> To clarify, is the previous mentioned issue (JDK-8370887) already 
> fixed and in 26 EA?
> So I can test with e.g. the image openjdk:26-ea-jdk ?
>
Yes, it was fixed in JDK 26 build 26, so available in the latest EA 
builds [1].

-Alan

[1] https://jdk.java.net/26/
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