Worked on enhancing the stability of the typeorm/typeorm repository by addressing a core issue in the OrmUtils class related to deep equality checks for Map and Set objects. Focused on improving data integrity within ORM operations, the contribution involved refining the logic to ensure accurate equality determinations, thereby reducing subtle bugs in object comparisons. Utilized TypeScript and full stack development skills, with an emphasis on unit testing to validate the fix and maintain code quality. The work prioritized collaborative review and repository reliability, resulting in a targeted bug fix that strengthened the correctness of equality semantics in TypeORM’s utility functions.