<ul><li>Valve is testing Arm64 support for Proton, the software that enables Windows games to run on Linux systems.</li><li>Speculations suggest that this support could enable certain games to run on Arm64 devices like Android smartphones and tablets, or even an Arm64-based Steam Deck.</li><li>Arm-based chips have been gaining popularity, and if Proton provides better performance or more stable emulation than existing solutions, it could be a boon for gamers adopting Arm-based devices.</li><li>Valve's experimentation with Arm64 emulation in Proton hints at potential future usage in Arm-based VR headsets or Windows-based games on mobile devices.</li></ul>

Valve appears to be testing Arm64 support in Proton but I wouldn't get too excited about an Arm-based Steam Deck 2 just yet

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