During February 2025, Belmokhtar enhanced the openrewrite/rewrite repository by improving the YAML Merge feature to better preserve spacing in flow-style YAML and handle comments and whitespace accurately. Using Java and leveraging skills in code formatting, refactoring, and unit testing, he implemented changes that ensure merged YAML files retain their original formatting across various nesting levels and styles. This work included comprehensive tests to validate formatting preservation, reducing formatting drift and improving the reliability of YAML configuration migrations. The approach addressed a longstanding issue with merge output consistency, resulting in more maintainable code and increased user trust in downstream projects.