Yuzebin enhanced YAML output fidelity and internationalization for the keephq/keep repository by developing a Unicode-safe YAML dumper in Python. The work focused on preserving block literal style and introducing a configurable allow_unicode option, ensuring accurate handling of non-ASCII characters in YAML dumps. By addressing issues with block literal preservation, Yuzebin improved data interchange reliability and compatibility with downstream tooling. The technical approach involved targeted backend development, resulting in more consistent and readable YAML outputs. This feature deepened support for international content, reduced parsing issues, and contributed to a better developer experience, reflecting thoughtful attention to data integrity and usability.