In February 2025, Jsenar focused on improving reliability within the box/box-ui-elements repository by addressing a nuanced edge case in file upload handling. Using JavaScript and front end development skills, Jsenar modified the getFileLastModifiedAsISONoMSIfPossible function to return null for negative timestamps, thereby preventing UI date formatting errors that could disrupt the upload process. This targeted bug fix enhanced upload stability and reduced the risk of production failures related to malformed dates. Comprehensive tests were updated to cover these edge cases, ensuring regression safety and aligning the codebase with ongoing quality initiatives across the UI elements package.