Valve's Proton 4.2-7 Fixes Performance & Sound Regressions
Written by Michael Larabel in Valve on 12 June 2019 at 12:01 AM EDT. Add A Comment
Proton 4.2-7 is out as the latest version of Valve's downstream of Wine that powers Steam Play for running Windows games on Linux.

With Proton 4.2-7 there is just a single change mentioned but it's an important one:

Fix for performance and sound regression that affected some games, like Wolfenstein: The New Order.

It's certainly always good seeing performance problems and sound regressions can certainly be annoying for ruining a gaming experience. For those not pulling down Proton automatically through Steam, the sources as always are on GitHub.
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Michael Larabel is the principal author of and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and automated benchmarking software. He can be followed via Twitter or contacted via

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