ProtonUp-Qt 2.15.0 added dwproton as an installable compatibility tool, corrected Kron4ek architecture choices, and fixed where GE-Proton is installed for Lutris: runners/wine. The release is dated February 20, 2026. Version 2.15.1 followed on June 24, 2026, with separate updates.
What changed in ProtonUp-Qt 2.15.0?
ProtonUp-Qt is a graphical utility for installing and managing compatibility tools used by game launchers. The project describes support for Steam and Wine-based tools for Lutris, and also mentions Heroic Games Launcher. The changes below are the ones listed for version 2.15.0 in the official release history.
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dwproton is now available
Version 2.15.0 added dwproton as a compatibility-tool option. This is a tool-availability change; the release notes do not claim a performance improvement or provide benchmark results.
Kron4ek architecture selection was fixed
The update corrected Kron4ek architecture selection so users can choose amd64 or wow64. The change concerns selecting an architecture when managing the tool, rather than a general change to all ProtonUp-Qt downloads.
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Lutris GE-Proton installs use the corrected directory
For Lutris, ProtonUp-Qt 2.15.0 fixed the GE-Proton installation directory to runners/wine. This correction is specifically about Lutris; it should not be read as a directory change for every launcher supported by ProtonUp-Qt.
Other listed changes
The project describes the remaining work in 2.15.0 broadly as miscellaneous improvements and bug fixes. It does not enumerate further specific changes in the cited release summary.
How 2.15.0 differs from the later 2.15.1 release
Version 2.15.1 is a later follow-up, dated June 24, 2026 in the project’s release history. It is useful to distinguish the two versions: 2.15.0 introduced dwproton and the Lutris directory correction, while the later release lists architecture, repository, and tool-availability changes.
| Release | Date | Listed changes |
|---|---|---|
| 2.15.0 | February 20, 2026 | Added dwproton; corrected Kron4ek architecture selection for amd64 or wow64; fixed the Lutris GE-Proton directory to runners/wine; miscellaneous improvements and bug fixes. |
| 2.15.1 | June 24, 2026 | Correct GE-Proton architecture download selection (aarch64 on ARM and x86_64 otherwise); switch to the new Luxtorpeda Codeberg repository; remove Proton-Sarek in favor of proton-cachyos; enable proton-cachyos for Lutris. |
The 2.15.1 architecture change concerns which GE-Proton architecture is downloaded. It is distinct from 2.15.0’s Kron4ek selection fix. The listed changes are changelog items, not evidence of comparative performance.
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The project’s releases page lists both versions. The application metadata and release history also records version information and release notes.
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