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(Proton 11 beta) Regression in peripheral detection

Status: Open.

#9679 In ValveSoftware/Proton;

· Mattyan89 opened on Apr 17, 2026

Killing Floor 3 (1430190)

Game compatibility - UnofficialGames not expected to work without issuesGames not expected to work without issues

XAudio2Uses the XAudio2 subsystemUses the XAudio2 subsystem

Status: Open.

#9678 In ValveSoftware/Proton;

· AlexandreSama opened on Apr 17, 2026

PRAGMATA (3357650)

Game compatibility - UnofficialGames not expected to work without issuesGames not expected to work without issues

Mesa driversPossibly involves an issue with a Mesa video driverPossibly involves an issue with a Mesa video driver

Status: Open.

#9677 In ValveSoftware/Proton;

· fschaupp opened on Apr 17, 2026

Xenonauts 2 (538030)

Game compatibility - UnofficialGames not expected to work without issuesGames not expected to work without issues

Status: Open.

#9675 In ValveSoftware/Proton;

· radgeRayden opened on Apr 17, 2026

F1 25 (3059520)

Game compatibility - UnofficialGames not expected to work without issuesGames not expected to work without issues

Status: Open.

#9673 In ValveSoftware/Proton;

· kostadinsh opened on Apr 15, 2026

Framepacing issue in games after extended play

Status: Open.

#9670 In ValveSoftware/Proton;

· Sp3ci3s8472 opened on Apr 14, 2026

Agora SDK fails to establish UDP/TCP connection on Proton 10.0.4 in AWS EC2 environment

Status: Open.

#9669 In ValveSoftware/Proton;

· andrii-ttech opened on Apr 14, 2026

Like a Dragon Gaiden: The Man Who Erased His Name (2375550)

Game compatibility - UnofficialGames not expected to work without issuesGames not expected to work without issues

Status: Open.

#9667 In ValveSoftware/Proton;

· Mufalsif opened on Apr 13, 2026

steampipe_fixups restore empties default_pfx but wineboot is never called to rebuild it

Status: Open.

#9660 In ValveSoftware/Proton;

· Nicknamn opened on Apr 11, 2026

Deviation Game (3104020)

Game compatibility - UnofficialGames not expected to work without issuesGames not expected to work without issues

Status: Open.

#9656 In ValveSoftware/Proton;

· lounne opened on Apr 10, 2026

Possible race condition when reconnecting controllers with different input mappings: game input stops working

Status: Open.

#9654 In ValveSoftware/Proton;

· kakra opened on Apr 9, 2026

Resident Evil 2 (1998) (4249110)

.NETUses the .NET frameworkUses the .NET framework

Game compatibility - UnofficialGames not expected to work without issuesGames not expected to work without issues

Status: Open.

#9652 In ValveSoftware/Proton;

· leroy211 opened on Apr 8, 2026