I think that we've developed general consensus here on the dev list about how to handle release candidates, both in general and for GLVs - I documented my understanding of that in our dev docs:
https://github.com/apache/tinkerpop/commit/072f112df0faff4d8e78772e73c8b708e184a44b Please let me know if there are any concerns otherwise, we'll go with that approach.
