ValveSoftware / ValveSoftware/Proton

Games won't launch while using Proton 8 - Proton 7 works fine

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Dominant language
C++
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Description

I've tried around 10 games all using various engines and both 2d and 3d yet anytime I launch with proton 8 the games refuse to load. This is also an issue with proton experimental, the latest proton-ge, and all the proton forks based off 8 I've tried.

Proton 7 still works as intended, so I've downgraded to using that until this issue is resolved, but support to resolve this would be appreciated. (I'm aware this is most likely user error)

Steam system information: link
Example Proton Log: Link

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Review the linked Steam system information and example Proton log first, then compare a reproducible game launch under Proton 7 and Proton 8. Done means identifying the cause of the Proton 8 failure and confirming that the affected game launches successfully with Proton 8.

Written by the indexing model from the issue text.

Assessment

Domain
operating-systems
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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