Example build.sbt for JDK11

[Adowrath]

@dubaut

Plus: Since ScalaFX defines its own wrapper classes for JavaFX classes I am afraid I cannot use Scene Builder together with ScalaFX.

I just wanted to say that, you can!, but as it stands, I can not verify if this works for current JavaFX versions. It used to for an old project I ran on Java 8, so you might want to give it a look:
https://vigoo.github.io/posts/2014-01-12-scalafx-with-fxml.html