GitHub has introduced a new feature that allows users to include anonymized contributions from private repositories in their contribution graphs, providing a more comprehensive representation of their work while maintaining privacy. Users can enable this feature through their profile settings, ensuring that only collaborators can view specific details of contributions made to private repositories. This update simplifies the interface by removing code streaks, highlighting the quality of work over the duration of activity. With all paid plans now offering unlimited private repositories, users can freely experiment in private while still contributing to their graph. The update aims to celebrate both public and private open-source work, as explained by Sarah Vessels, a Staff Software Engineer at GitHub.