this post was submitted on 20 Nov 2025
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Linux Gaming

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Valve put up a new Steam Linux Runtime 4.0 with a move towards 64-bit (www.gamingonlinux.com)
submitted 1 week ago by cm0002@no.lastname.nz to c/linux_gaming@lemmy.world
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To ensure games run well on Linux either via Native Linux builds or Windows games with Proton, part of the magic is in the Steam Linux Runtime. A new version of it, the Steam Linux Runtime 4.0 was recently put up with some pretty big changes.

What's the point of it? It ensures Steam and games run through Steam on Linux work properly across all the many different Linux distributions. Another secret Valve sauce for Linux. Well, not secret at all but you get my meaning I'm sure.

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[–] Kazumara@discuss.tchncs.de 2 points 6 days ago* (last edited 6 days ago)

Ah yes it looks like they did say that support for 32bit Windows is stopping soon:

Thanks I had missed this completely!

I assume this is the first step for them to move the client itself to being a 64bit executable later.