If you have find a bug or want to propose a new feature, feel free to
visit the Bug Tracker
and report the issue.
Please, don't forget information about the version you are using
and the way you installed GQ.
If you would like to discuss GQ development or propose new features (and you are not sure whether the feature would be useful), subscribe to the mailing list. There's usually not much traffic (either because nobody uses GQ or anybody using it is happy :).