Discover the latest advancements in Symfony 4 through this 34-minute conference talk by Antonio Peric-Mazar at the International PHP Conference. Learn about the framework's evolution from version 3, including the introduction of Flex, which allows Symfony to function as both a micro framework and a feature-rich powerhouse. Explore new best practices and understand how Symfony continues to drive innovation in the PHP ecosystem. Gain insights into the framework's improved flexibility and efficiency, empowering developers to create cutting-edge applications with ease.