The latest Steam Client Beta update adds support for Mesa's new single-file shader cache format on Linux. The new caching system should lower the disk space used and improve frametime performance.
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Counter-Strike: Global Offensive could soon be getting a healthy rise in performance on Linux running OpenGL as GL threading has been enabled via a patch on the next Mesa RadeonSI driver update.
Known for his work on games like Rocket League and the original Prey, developer Ryan Gordon took to the internet and offered up his services for free as an incentive to get more games on Linux.