Does "capable of running Java 17 classes" imply Java >= 17 or Java <= 17?

I tried to run a Java 11 jar on my M1 Mac with $JAVA_HOME pointed at a temurin-11.0.20 JVM but no such luck:

    $ ./jacobin -jar my.jar
    Class Format Error: Class  has two package names: apple/security and com/sun/crypto/provider
      detected by file: cpParser.go, line: 241
    ParseAndPostClass: error parsing classes/module-info.class. Exiting.
    Class Format Error: Invalid access flags of MethodParameters attribute #1 in main
      detected by file: methodParser.go, line: 333
    Class Format Error:
      detected by file: methodParser.go, line: 109
    ParseAndPostClass: error parsing my.Main. Exiting.