During March 2026, Lachlan focused on enhancing the reliability of real-time data streaming in the symfony/symfony repository. He addressed a critical issue in the EventSourceHttpClient, ensuring that the first data chunk is always yielded even when errors occur, thereby reducing the risk of data loss for downstream consumers. His approach involved advanced debugging of streaming protocols and resilient error handling within PHP, with a strong emphasis on maintainable, well-documented code. By prioritizing robust unit testing and clear commit practices, Lachlan improved client trust in Symfony’s streaming APIs and contributed to the long-term maintainability of the backend infrastructure.