src/java.base/share/classes/jdk/internal/javac/PreviewFeature.java

*** 68,11 ***
          // keeping the constant of a feature that has been integrated or dropped, serves the purpose of muting such warnings.
  
          //---
          IMPLICIT_CLASSES, //to be removed when boot JDK is 25
          SCOPED_VALUES,
!         @JEP(number=505, title="Structured Concurrency", status="Fifth Preview")
          STRUCTURED_CONCURRENCY,
          CLASSFILE_API,
          STREAM_GATHERERS,
          MODULE_IMPORTS, //remove when the boot JDK is JDK 25
          KEY_DERIVATION, //remove when the boot JDK is JDK 25
--- 68,11 ---
          // keeping the constant of a feature that has been integrated or dropped, serves the purpose of muting such warnings.
  
          //---
          IMPLICIT_CLASSES, //to be removed when boot JDK is 25
          SCOPED_VALUES,
!         @JEP(number=999, title="Structured Concurrency", status="Sixth Preview")
          STRUCTURED_CONCURRENCY,
          CLASSFILE_API,
          STREAM_GATHERERS,
          MODULE_IMPORTS, //remove when the boot JDK is JDK 25
          KEY_DERIVATION, //remove when the boot JDK is JDK 25