Which version of Groovy am I using with this Grails version?
Two nights ago [Jack Frosch](http://www.linkedin.com/in/jackfrosch) gave a great summary of the new features in Grails 2.3 at the [DFW Groovy - Grails User Group](http://www.dfw2gug.org/index.html#december2013). At the end of the meeting…