During February 2025, Antonio Garcia focused on enhancing the stability and interoperability of the HTTP client layer in the symfony/symfony repository. He addressed a nuanced bug in the HttplugClient and Psr18Client components, ensuring that empty request bodies no longer triggered the addition of Content-Length or Transfer-Encoding headers. This adjustment, implemented in PHP, improved compatibility with a range of HTTP clients and reduced the risk of malformed requests. Antonio applied his expertise in backend development and API integration to refine HTTP protocol handling, demonstrating careful attention to detail and contributing to more reliable outbound request behavior across diverse environments.