This is an open-source project maintained by the SageMath community.
Contributions of all sorts are heartily welcomed.
See https://github.com/sagemath/sage/blob/develop/CONTRIBUTING.md for general guidance on how to contribute.
Open issues or submit pull requests at https://github.com/sagemath/sage-numerical-backends-cplex and join https://groups.google.com/group/sage-devel to discuss.