The feature is a direct response to user requests, and is something GitHub says will be the first of many improvements to Issues and Pull Requests.

GitHub has added a new feature to pull requests, allowing developers to mark their requests as a draft. Marking a request as a draft allows the developer to highlight to other collaborators that ...

A GitHub project is an adaptable spreadsheet, task board, and road map that integrates with your issues and pull requests on GitHub to help you plan and track your work effectively.