Worked on the facebook/lexical repository to address a bug in the lexical-markdown package, focusing on improving Markdown parsing fidelity. The main contribution involved updating regular expressions in TypeScript to ensure that Markdown links with empty link text are preserved rather than removed, maintaining content integrity for editors and documents. This technical approach included refining import and matching logic and implementing automated unit tests to prevent regression. By enhancing test coverage and addressing this edge case, the work reduced user-facing issues and strengthened the reliability of Markdown handling within the lexical ecosystem, demonstrating attention to detail in bug fixing and code quality.