Is it possible to use InvokeDynamic for Grails?
If so, what versions of Grails, Java, etc. are compatible?
What is the procedure to set it up?
If it's not possible, when might InvokeDynamic support be added to Grails 2.x and/or 3.x?
I haven't found any recent information about it.
Support was added in Grails 3 (https://github.com/grails/grails-core/issues/3366). The Groovy documentation lays out how to use it (http://www.groovy-lang.org/indy.html).