Mention a "no CGO rule"

See #6842

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 776f3f00019b1c833a7cf418ea5af293952bccf5..58092274acc442d49a57d5f45abd5be11b153479 100644 (file)
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -52,11 +52,10 @@ If it is of some complexity, the contributor is expected to maintain and support
 
 It is recommended to open up a discussion on the [Hugo Forum](https://discourse.gohugo.io/) to get feedback on your idea before you begin. If you are submitting a complex feature, create a small design proposal on the [Hugo issue tracker](https://github.com/gohugoio/hugo/issues) before you start.
 
+Note that we do not accept new features that needs [CGO](https://github.com/golang/go/wiki/cgo). We have one exeption to tuat rule and that is LibSASS.
 
 **Bug fixes are, of course, always welcome.**
 
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 ## Submitting Patches
 
 The Hugo project welcomes all contributors and contributions regardless of skill or experience level. If you are interested in helping with the project, we will help you with your contribution.