Ed Bratt improved repository hygiene for helidon-io/helidon by updating configuration management practices to enhance cross-platform consistency and licensing compliance. He focused on the .gitattributes file, implementing end-of-line normalization for Java source files to reduce merge conflicts caused by inconsistent line endings. Ed also refined copyright scope and year handling, ensuring accurate attribution throughout the codebase. His work leveraged Git Attributes and configuration management skills, addressing a specific repository issue and aligning with team standards. The changes streamlined collaboration and code maintenance, demonstrating a targeted approach to repository configuration rather than broad feature development or bug fixing during this period.