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Title: Proton 5.13.4 doesn't load games, but proton-5.10 works great
syxbit 8 Jan 2021
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If I select Proton-5.13.4 and click 'play', nothing loads. After 2-3 seconds, the 'play' button goes back to normal. If I select Proton-5.10, games boot fine. I've tried uninstalling and fully deleting Proton-5.13 followed by reinstalling, but it hasn't helped. I'm eager to try newer and newer proton versions, and I'm guessing this isn't a widespread issue. How could it be, Proton-5.13 doesn't boot a single game. Surely Valve would be aware if it were that bad. That leads me to believe it's local to my system. It got corrupted on my system (though that wouldn't explain why an uninstall/reinstall wouldn't have have fixed it.

Has anyone else encountered this? Any ideas?
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CatKiller 8 Jan 2021
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5.13 uses the new containerisation system - Soldier. Liam's written some things about it. That containerisation can cause problems for some people's configurations.
syxbit 8 Jan 2021
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interesting. I'll take a read.
In case it matters, I'm running Steam through flatpak on Arch Linux
CatKiller 8 Jan 2021
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AFAIK, Soldier doesn't work at all in a Flatpak: it's a container in a container. It's something they're looking at for the future. There's a proton-experimental that has fixes for some of the things, but it's not something I've tried personally. Heck, I haven't tried the normal 5.13 personally yet.
whizse 8 Jan 2021
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Quoting: syxbitinteresting. I'll take a read.
In case it matters, I'm running Steam through flatpak on Arch Linux
Bug report here, https://github.com/ValveSoftware/steam-runtime/issues/294

Looks like there's some progress on getting it working with Flatpak again:
The eventual solution is likely to require updated versions of both Flatpak (I'm hoping to get the necessary code included in Flatpak 1.10) and the SteamLinuxRuntime_soldier depot.
syxbit 9 Jan 2021
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This is helpful. Thanks.
Flatpak is amazing for Steam, and means I don't need the bajillion 32-bit packages. I think overall I'm happy with the tradeoff, at least right now.
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