up. Graal.JS seems to be mature now. It can run on any Java machine: https://github.com/graalvm/graaljs/blob/master/docs/user/RunOnJDK.md#run-graalvm-javascript-on-a-stock-jdk
The licenses there are MIT and/or UPL (both are permissible for Apache) The sad thing is that Graal.JS is ~20 megabytes extra. It is extremely likely Nashorn will be removed from Java 15, so we need to deal with it somehow. So the options are: a) Bundle Graal.JS (+20MiB :( ) b) Document the way to add Graal.JS jars as an external dependency (everybody would need to download the file manually :( ) c) Add an option to download Graal.JS on demand (not that trivial to implement, yet useful for many(!) other cases) WDYT? Vladimir
