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⇱ Steam Linux Beta Prepares For 64-bit, Can Be Run Inside Steam Runtime Container - Phoronix


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Steam Linux Beta Prepares For 64-bit, Can Be Run Inside Steam Runtime Container

Written by Michael Larabel in Valve on 20 March 2026 at 05:56 AM EDT. 36 Comments
An interesting new Steam client beta dropped overnight from Valve with some exciting low-level enhancements.

First up, the Steam for Linux client can now itself be run inside the Steam Runtime container. This is the same Steam Runtime container used by Steam games with the Steam client beta itself now able to run inside the container. Their hope is that this will provide a more consistent experience across various Linux distributions with the client running in the same container.

This runtime container work for the Steam client is referred to as "SteamRT3" and it also now includes the client being updated to 64-bit.

The SteamRT3 beta client is being distributed alongside the regular Steam beta client and is opt-in via a "Use experimental SteamRT3 Steam Client" setting within the Steam beta.

👁 SteamRT3 beta notes


More details on this exciting SteamRT3 Linux beta work via SteamCommunity.com.

Michael Larabel is the principal author of Phoronix.com 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 OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via MichaelLarabel.com.