Note: contributing implies licensing those contributions under the terms of COPYING, which is an MIT-like license.
- Make sure you have a GitHub account
- Submit an issue - assuming one does not already exist.
- Clearly describe the issue including steps to reproduce when it is a bug.
- Include information what version of nixpkgs and Nix are you using (nixos-version or git revision).
See the nixpkgs manual for details on how to Submit changes to nixpkgs.