Citrus provides several communication channels for getting support and submitting issues, bugs and discussions. First of all you can use our development mailing list firstname.lastname@example.org in order to get assistance.
If you have found a bug in Citrus, please open a new issue at Github. We listen very carefully for bugs and work hard on the issues you presented to us.
Of course we would also be happy for any help you can give us and we encourage you to contribute your changes. In case you have fixed a bug please see how to contribute code changes and patches.