src/java.base/share/classes/java/lang/Record.java

@@ -85,10 +85,11 @@
   *
   * @spec serialization/index.html Java Object Serialization Specification
   * @jls 8.10 Record Types
   * @since 16
   */
+ @jdk.internal.ValueBased
  public abstract class Record {
      /**
       * Constructor for record classes to call.
       */
      protected Record() {}