JDK 17 Early Access build 23 is available

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JDK 17 Early Access build 23 is available

Rory O'Donnell
Hi All,

OpenJDK 17 Early Access build 23 is now available at https://jdk.java.net/17

We need your help in testing new Selector implementation on Windows [1]:
  • The implementation of the Selector API on Windows has been replaced in JDK 17 b22 with a new more scalable implementation [2].
  • The old select based Selector implementation has been the default since Java 1.4 (2002) so replacing it is a significant change.
  • It would be really helpful to get more testing of the new implementation before the fork for Rampdown Phase One on June 10th.
Other Topics which might be of Interest:
  • Updates to JEP 411: Deprecate the Security Manager for Removal | Link
  • "The meaning, or not, of “LTS” | Link
  • JFR Remote Recording Stream | Link
Project Loom Early-Access Build: Build 17-loom+7-342 (2021/5/11)
Project Panama Early-Access Build: Build 17-panama+3-167 (2021/5/18)


[1] https://mail.openjdk.java.net/pipermail/nio-dev/2021-May/008988.html
[2] https://bugs.openjdk.java.net/browse/JDK-8266369

Rgds, Rory O'Donnell
Quality Engineering Manager
Oracle EMEA, Dublin, Ireland