Submit a new issue with a clear description of the expected behavior and the actual behavior. Screenshots/gifs are very helpful!
Check the issues for issues that are labeled "Good for new contributors" for a good starting issue. If you plan to work on an issue, please leave a comment stating your intent.
Feel free to submit a new issue with your idea!
Please don't make unrelated changes in the same PR. This makes it much more difficult to review.
The more focused your PR is the better chance it has of being merged quickly.
Please add tests for any new functionality.