If you find a bug in DOLFINx, please report it on the GitHub issue tracker.
If you want to suggest a new feature or an improvement of a current feature, you can submit this on the issue tracker.
To contribute code DOLFINx, create a pull request. If you want to contribute, but are unsure where to start, have a look at the issues labelled "good first issue". For substantial changes/contributions, please start with an issue or start a discussion on Slack.
On opening a pull request, unit tests will run on GitHub CI. You can click on these in the pull request to see where (if anywhere) the tests are failing.
We expect all our contributors to follow the code of conduct.