In February 2026, Joseph contributed to the better-auth/better-auth repository by developing an OTP-based email change flow, allowing users to securely update their primary email addresses through one-time password verification. He approached the problem with a focus on backend development, leveraging TypeScript and API design to ensure that email changes required explicit user verification, thereby reducing the risk of unauthorized account modifications. This feature aligned with security best practices and improved user trust by providing traceable, auditable updates. Over the month, Joseph concentrated on this security enhancement, demonstrating depth in TypeScript and backend API development without addressing bug fixes during the period.