The roadmap is built using Draw.io. Project file can be found at aspnetcore-developer-roadmap.xml file. To modify it, open draw.io, click Open Existing Diagram and choose xml file with project. It will open the roadmap for you. Update it, upload and update the images in readme and create a PR (export as png with 400% zoom and minify that with Compressor.io).
- Open a pull request with improvements
- Discuss ideas in issues
- Spread the word