Valve has been funding the open-source emulator FEX since its inception, which enables Windows games to run on ARM Linux devices. FEX recently celebrated its seventh anniversary and acknowledged Valve's crucial support. Pierre-Loup Griffais, a software engineer at Valve, stated that all core FEX developers have been funded by Valve, highlighting the project's significance for the gaming ecosystem and SteamOS. Griffais expressed optimism about the future of FEX, anticipating nearly a decade of development before it becomes reliable for widespread use. He emphasized the goal of providing a consistent gaming experience across different architectures without users needing to worry about compatibility. Valve's tools, including Proton, Lepton, and FEX, are expected to enhance the gaming experience, with a focus on living room, handheld, and desktop devices.