We'll be using this wiki to put together the Groovy language specification as well as to describe and track progress of where we are and to collate ideas, options, reasonings and examples to help us create the specification.
You can join the JSR mail lists here
Be careful, this wiki space contains out-dated information or sketches of ideas that never got implemented into Groovy. But these pages are kept for reference and historical reasons.
A Groovy Enhancement Proposal system has long been discussed and informally used. For Groovy 1.7 and onwards, GEPs find a new home in the Groovy JSR wiki.