During December 2024, Adrifer focused on improving the stability and reliability of the hydration flow in the TanStack/router repository. Addressing a complex race condition, Adrifer delivered a targeted bug fix that ensured the resolvePromise tsr-once script was properly managed and executed during hydration, preventing premature deletion and reducing runtime errors. This work required advanced debugging of asynchronous script lifecycles and careful handling of TypeScript code paths within a React front end context. By prioritizing code health and lifecycle stability over new features, Adrifer laid a stronger foundation for future development and improved the consistency of SSR and CSR transitions.