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

*** 62,10 ***
--- 62,14 ---
      /**
       * Enum of preview features in the current release.
       * Values should be annotated with the feature's {@code JEP}.
       */
      public enum Feature {
+         @JEP(number = 8350458, title = "Strict Field Initialization in the JVM", status = "Preview")
+         STRICT_FIELDS,
+         @JEP(number=401, title="Value Classes and Objects", status = "Preview")
+         VALUE_OBJECTS,
          @JEP(number=525, title="Structured Concurrency", status="Sixth Preview")
          STRUCTURED_CONCURRENCY,
          @JEP(number = 526, title = "Lazy Constants", status = "Second Preview")
          LAZY_CONSTANTS,
          @JEP(number=524, title="PEM Encodings of Cryptographic Objects",