Explore the evolution and future of Yarn, a popular package manager for JavaScript, in this conference talk from JSConf EU 2019. Discover how Yarn has revolutionized the JavaScript ecosystem since its inception in 2016, introducing key features such as dependency locking, built-in monorepo support, zero-network modes, and Plug'n'Play resolution. Gain insights into the upcoming developments and their potential impact on the JavaScript community as Maël Nison discusses Yarn's roadmap and vision for the future.