this post was submitted on 20 Nov 2025
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Linux Gaming

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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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[–] communist@lemmy.frozeninferno.xyz 48 points 5 days ago (2 children)

please god let the client have a 64 bit wayland edition coming

[–] newcockroach@lemmy.world 8 points 5 days ago* (last edited 5 days ago)

They have to do it for steamos ig

[–] DanVctr@sh.itjust.works 1 points 4 days ago (1 children)

The version of Wayland I'm running on bazzite right now is 32-bit? No wonder I'm having issues with 2 4K monitors lol

the steam client doesn't use wayland and is 32-bit, don't think that has anything to do with your monitors though

[–] Kazumara@discuss.tchncs.de 97 points 6 days ago (2 children)

That's a good sign, that Valve is moving at least the runtimes to 64bit only. Maybe that means the client is under similar scrutiny internally. Recently when Fedora was discussing dropping more 32bit libraries Steam came up as a big issue.

[–] Maestro@fedia.io 26 points 6 days ago (4 children)

Yeah, 32bit is why I removed Steam from my Debian desktop daily driver again. I got conflicting 32bit and 64bit versions of some libraries that broke my system. I'm going to try a gaming focussed distro like Bazzite next time.

[–] Quazatron@lemmy.world 28 points 6 days ago (4 children)

I just run Steam as a flatpak. Works fine.

[–] 4am@lemmy.zip 22 points 6 days ago (8 children)

Not sure why the downvotes. Flatpak is a great thing.

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[–] ApertureUA@lemmy.today 12 points 5 days ago (1 children)

???

Debian separates out stuff with :[arch] suffixes, and is really flexible in the sense that it even lets you install stuff from completely different architectures for, for example, use with qemu userspace. An i386 package is going to only request i386 dependencies, unless it explicitly specifies an architecture, and vice versa. Arch Linux uses the "lib32-" prefix and I don't really remember how it worked on Fedora but I would imagine something similar. All "gaming focused distros" are merely just their mainstream counterparts with an extra repo for a few packages, it's not going to change fundamentals.

OpenSUSE is the same, the 32-bit stuff is completely separate from the 64-bit stuff, so you won't get conflicts between them.

[–] Mwa@thelemmy.club 10 points 6 days ago (1 children)

Give Steam Flatpak a try on Debian instead.

[–] deltapi@lemmy.world 1 points 4 days ago (1 children)

I've been using LMDE for the past couple years and I do all my non-switch gaming on it.

[–] Mwa@thelemmy.club 1 points 4 days ago (1 children)

i recommend LXQT over LXDE cause its like the spiritual succesor,i think lighter and it has Wayland
but you can use whatever you like

[–] deltapi@lemmy.world 1 points 4 days ago (1 children)

I'm not using either of those. I'm using the LMDE default, Cinnamon.

[–] Mwa@thelemmy.club 1 points 4 days ago
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[–] GottaHaveFaith@fedia.io 7 points 6 days ago (4 children)

Didn't they already announce they're going to drop 32 bit?

[–] Kazumara@discuss.tchncs.de 2 points 1 hour ago

Hey mild necro after a week, but it seems to be happening already. The new beta is 64bit! https://lemmy.ca/post/55858408

[–] wreckedcarzz@lemmy.world 6 points 6 days ago

For windows at least, but I assume they'd do it across the board at once

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[–] flemtone@lemmy.world 20 points 5 days ago (3 children)

Proton-GE has had the Wow64 feature for a while now that can play older 32-bit titles under 64-bit, so it shouldn't be long before a truly 64-bit steam experience is available.

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[–] DifficultCobblestone@lemmy.world 5 points 5 days ago (2 children)

does it say which team fortress 2 class it's named after?

From the gitlab repositories it kind of looks like they are dropping that naming scheme wit v4. It was kind of cute, but also confusing if you have no idea about TF2 and use Steam.

[–] apftwb@lemmy.world 2 points 4 days ago

Steam Linux Runtime 4 (Saxton Hale)

/s

[–] victorz@lemmy.world 10 points 6 days ago (16 children)

Funny this shows up when all of a sudden Steam won't launch anymore on my Arch install. It's installed via flatpak.

How do I even check which version of the Steam runtime I am running? The flatpak version of Steam is just 1.0.something.other.

[–] bjoern_tantau@swg-empire.de 40 points 6 days ago (9 children)

The runtime is not Steam itself. That's more or less independent from the runtime. The runtimes are a collection of libraries that developers can develop against without having to include them themselves.

Kind of similar to the Visual C++ Runtime on Windows.

[–] victorz@lemmy.world 5 points 6 days ago (1 children)

I know what a runtime is, but I'd like to check which version of it I'm running. 🙂 Wouldn't be very difficult but I'm this instance I don't know how.

[–] Alxe@lemmy.world 13 points 6 days ago (10 children)

The runtime is for launching games, not Steam itself. You can check the runtime selection in Compatibility tab of Steam and of each game. If your Steam Flatpak install doesn't work, the issue is likely somewhere else.

I'd suggest trying to launch the flatpak from the terminal and seeing if there's any strange logging.

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[–] _cryptagion@anarchist.nexus 10 points 6 days ago (3 children)

the flatpak version is unsupported by Valve for a reason. there's been a ton of problems over the lifespan of the flatpak. it's usually highly recommended everywhere not to use that version.

[–] who@feddit.org 5 points 6 days ago (6 children)

I've been using Steam in a flatpak for a couple years now, I think. What ton of problems are you referring to?

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[–] zewm@lemmy.world 8 points 6 days ago (1 children)

Install warehouse. It gives you all the details of which runtime is in a Flatpak and even lets you change the version.

[–] n4sdaq@lemmy.dbzer0.com 5 points 6 days ago

I did not know about Warehouse. Thank you.

[–] sugar_in_your_tea@sh.itjust.works 3 points 5 days ago (3 children)

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.

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[–] mybuttnolie@sopuli.xyz 5 points 6 days ago (2 children)

i usually avoid flatpaks, especially with steam. but every now and then my non-flatpak steam borks too and won't launch on mint. 9 times out of 10 simple reboot helps, but sometimes it requires a reinstall...

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[–] bufalo1973@piefed.social 5 points 6 days ago (2 children)

Any news about an aarch64 version?

The new VR headset runs ARM, so presumably it'll launch with that.

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