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Valve put up a new Steam Linux Runtime 4.0 with a move towards 64-bit (www.gamingonlinux.com)
submitted 2 months ago by cm0002@no.lastname.nz to c/linux_gaming@lemmy.world
94 comments fedilink hide all child comments

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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[-] sugar_in_your_tea@sh.itjust.works 3 points 2 months ago

Usually when steam refuses to launch, it's because there's some Steam process that's borked but still running. Most of the time, a simple pkill steam fixes it (yes, that includes for flstpak`).

As mentioned down thread, the runtime isn't your problem. The runtime is what's needed for native Linux games and I think is also used by proton (not used by Steam itself), so it's kind of like proton for native games. Steam doesn't use the runtime at all to launch.

If killing Steam doesn't work, try rebooting. If that doesn't work, try updating the flatpak. If that doesn't work, I suppose reinstall Steam.

[-] victorz@lemmy.world 2 points 2 months ago

I think it might have been a denial of service type thing as explained in other replies. I didn't reboot or anything and it just worked fine now. All good. πŸ‘ Thanks for all the help though.

Almost every reply is also explaining what the runtime is. πŸ˜† I know what it's for, guys, thanks! β€οΈπŸ™πŸ‘

[-] sugar_in_your_tea@sh.itjust.works 2 points 2 months ago* (last edited 2 months ago)

Glad you got it fixed. πŸ™‚

Almost every reply is also explaining what the runtime is.

I boosted it up a bit for other people who come along w/ a similar concern. You seemed mistaken at first until a few threads deep, so there's likely someone else who is just as, if not more, confused.

[-] victorz@lemmy.world 1 points 2 months ago

Cool, yeah, no worries. 🫢 I hope someone finds it helpful!

this post was submitted on 20 Nov 2025
553 points (99.3% liked)

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