Thank you for the work on GraalVM! Just a tiny side note, a basic toy JVM is actually not that hard (without JIT, trivial GC, limited standard lib) from person

Thank you for the work on GraalVM! Just a tiny side note, a basic toy JVM is actually not that hard (without JIT, trivial GC, limited standard lib) from personal experience, of course a performant/having feature parity one is indeed impressive (though I yet to play with Espresso!)