In March 2026, Sandro contributed to the stripe/stripe-js repository by delivering feature enhancements for the TaxIdElement component, focusing on verification mode support and new verification status types. Using TypeScript and front end development skills, Sandro implemented improved form validation logic to ensure more accurate tax ID submissions and better compliance. The work included updating TypeScript typings and expanding test coverage to validate the new verification logic, emphasizing code quality and robustness. No major bugs were reported during this period, as the primary focus remained on feature delivery and enhancing the reliability of tax ID workflows for merchants using the platform.