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Valve have pushed out a Steam Play beta update with Proton 3.16-7 now available for testing. Lots of fixes!

Not quite the huge upgrade many were expecting, most people thought Valve would be pushing ahead with a major update of Wine but this release still seems like a very nice update overall

Firstly, they've updated DXVK to 0.96 and FAudio to 19.02. This should hopefully mean quite a number of games will see improvements and begin working. Additionally, there has been some controller improvements, with Unity specifically mentioned for games like Subnautica and INSIDE.

As for bug fixes and other changes, here's what they improved:

  • Fix for fullscreen behavior in Into The Breach.
  • Fix for crashes in some d3d9 games on Mesa.
  • Fix for crash when launching certain games, including Path of Exile, the Bloons series, and the Naruto Shippuden series.
  • Fix for games with special characters in paths, including LEGO Harry Potter.
  • Restore previous functionality of the Uplay client.
  • New runtime option for old games that can't handle modern GL extension strings. Set PROTON_OLD_GL_STRING to limit the extension string length.
  • New runtime option to disable d3d10 support, PROTON_NO_D3D10.
  • Better support for games that use very old steamworks SDKs, including Lost Planet.
  • Fixed various problems with the build system, and added a new top-level Makefile to make simple builds much easier.

You can see the changelog here. Looks like it's going to be a fun weekend of testing ahead!

If you're having issues updating, you can select Proton from Steam's tools menu found when you hover over "LIBRARY" -> "TOOLS" and search for "Proton" then install "Proton 3.16 Beta". Seems many people have had issues with it not updating properly.

After some fresh testing, with a forced Proton update I can confirm Into the Breach fullscreen now works as expected—hooray!

Article taken from GamingOnLinux.com.
Tags: Proton, Beta, Steam, Valve
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torbido Mar 1, 2019
Quoting: etonbears
Quoting: torbidoWhen I add non steam game, where is the prefix of these games?

Each version of Proton is a management wrapper for Steam-Installed games using a specific version of Wine ( including extension libraries/patches etc ).

As you probably know, each Steam-Installed game is identified by a unique integer number; Proton creates/uses a Wine prefix for each game as a directory named for that unique integer, in the "compatdata" directory of the Steam games library you choose to install in.

I do not think Proton is capable of doing this for non-Steam games, so a non-Steam game will use the wine prefix you chose when installing that game. If you make no wineprefix choice, the default is "~/.wine/".

Note that it is generally better to install each non-steam game to a different wine prefix, since games often have conflicting configuration needs. i.e. Configuring one game may break another if they share a wineprefix.

Hope that helps.

No, It doesn't use the main wine folder. I found it at the main steam folder with a bigger number that normal games use >>> ~/.steam/steam/steamapps/compatdata/2147483650
etonbears Mar 4, 2019
Quoting: torbido
Quoting: etonbears
Quoting: torbidoWhen I add non steam game, where is the prefix of these games?

Each version of Proton is a management wrapper for Steam-Installed games using a specific version of Wine ( including extension libraries/patches etc ).

As you probably know, each Steam-Installed game is identified by a unique integer number; Proton creates/uses a Wine prefix for each game as a directory named for that unique integer, in the "compatdata" directory of the Steam games library you choose to install in.

I do not think Proton is capable of doing this for non-Steam games, so a non-Steam game will use the wine prefix you chose when installing that game. If you make no wineprefix choice, the default is "~/.wine/".

Note that it is generally better to install each non-steam game to a different wine prefix, since games often have conflicting configuration needs. i.e. Configuring one game may break another if they share a wineprefix.

Hope that helps.

No, It doesn't use the main wine folder. I found it at the main steam folder with a bigger number that normal games use >>> ~/.steam/steam/steamapps/compatdata/2147483650

Interesting. Does that means you have to install each non-Steam game with its own copy of, say Origin or Uplay, I wonder. I thought you just added games you had already installed so you can launch them. I will have to look more into what the options are, though I don't really understand why one would use the feature except for running Big Picture with only a controller.
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