During April 2025, work focused on enhancing the Adyen/adyen-node-api-library by introducing support for the ISSUER_COMMENTS notification event type. This involved updating the notification request item typings using TypeScript to expand the range of supported notification events, thereby improving downstream integration capabilities. The approach centered on API development and type safety, ensuring that the notification subsystem could accommodate issuer comments in event streams for future extensibility. No major bugs were addressed during this period, as efforts were concentrated on delivering this feature and maintaining code quality. The work demonstrated a methodical application of TypeScript and API design principles.