ValveSoftware/Proton
Jun 2024 – Dec 2025
17 Months active
Languages Used
PythonMarkdown
Technical Skills
LinuxPythoncompatibility layer developmentgame developmentcompatibility engineeringCompatibility Engineering
Anna Lasky
PROFILE
Anna Lasky
Alex Lasky contributed to ValveSoftware/Proton by engineering compatibility enhancements and targeted bug fixes that expanded game support and improved cross-platform stability. Working primarily in Python and leveraging deep knowledge of compatibility layer development, Alex enabled new titles and refined configuration management, such as implementing environment variable controls and per-title compatibility options. Their work included integrating GameDrive support, optimizing audio handling, and managing NVAPI behavior to address hardware-specific issues. Through disciplined code maintenance and thorough testing, Alex ensured that changes reduced user friction and support overhead, demonstrating a strong grasp of system compatibility and sustainable open-source software engineering practices.
Overall Statistics
Feature vs Bugs
52%Features
Repository Contributions
38Total
Bugs
12
Commits
38
Features
13
Lines of code
140
Activity Months17
Your Network
39 peopleSame Organization
@codeweavers.com18
Arkadiusz HilerMember
Bernhard KölblMember
Brendan ShanksMember
Connor McAdamsMember
Conor McCarthyMember
Charlotte PabstMember
Esme PovirkMember
Evan TangMember
Francisco CasasMember
Shared Repositories
21
Work History
December 2025
3 Commits • 2 Features
Dec 1, 2025December 2025 Proton project: Delivered targeted cross-GPU compatibility improvements for Figman XR, refined NvAPI handling on non-NVIDIA GPUs to improve game compatibility, and updated locale configuration guidance to use HOST_LC_ALL, replacing deprecated PROTON_NO_XIM. These changes reduce support complexity, broaden hardware compatibility, and streamline user configuration across affected titles.
3 Commits • 2 Features
Dec 1, 2025December 2025 Proton project: Delivered targeted cross-GPU compatibility improvements for Figman XR, refined NvAPI handling on non-NVIDIA GPUs to improve game compatibility, and updated locale configuration guidance to use HOST_LC_ALL, replacing deprecated PROTON_NO_XIM. These changes reduce support complexity, broaden hardware compatibility, and streamline user configuration across affected titles.
December 2025
November 2025
2 Commits • 1 Features
Nov 1, 2025Month: 2025-11 — Proton development: Delivered key hardware compatibility fixes and expanded game support. Implemented The Finals NVAPI compatibility guard to disable NVAPI when the NVIDIA driver is not found in /proc/modules, and enabled Dragon's Dogma: Dark Arisen compatibility option to broaden playable titles. These changes reduce crash surfaces on mixed driver setups and grow the catalog of supported games, improving user experience and reducing troubleshooting time. Commits linked to work include 51da5e369477cab3acac3706a512d21263af69a8 and ee81b722b98c5c8ce290395f468532fb9337c844.
November 2025
2 Commits • 1 Features
Nov 1, 2025Month: 2025-11 — Proton development: Delivered key hardware compatibility fixes and expanded game support. Implemented The Finals NVAPI compatibility guard to disable NVAPI when the NVIDIA driver is not found in /proc/modules, and enabled Dragon's Dogma: Dark Arisen compatibility option to broaden playable titles. These changes reduce crash surfaces on mixed driver setups and grow the catalog of supported games, improving user experience and reducing troubleshooting time. Commits linked to work include 51da5e369477cab3acac3706a512d21263af69a8 and ee81b722b98c5c8ce290395f468532fb9337c844.
October 2025
4 Commits • 1 Features
Oct 1, 2025October 2025 – Proton (ValveSoftware/Proton): Strengthened cross-platform compatibility and audio reliability. Delivered gamedrive compatibility options for Atelier Resleriana [JP], Wild Assault, and Assassin's Creed Shadows to improve cross-platform playability and stability. Fixed Rocket Jockey audio issues by preferring the native winmm library, addressing audio handling inconsistencies. Results: smoother gameplay experiences across multiple titles and reduced user-reported issues.
4 Commits • 1 Features
Oct 1, 2025October 2025 – Proton (ValveSoftware/Proton): Strengthened cross-platform compatibility and audio reliability. Delivered gamedrive compatibility options for Atelier Resleriana [JP], Wild Assault, and Assassin's Creed Shadows to improve cross-platform playability and stability. Fixed Rocket Jockey audio issues by preferring the native winmm library, addressing audio handling inconsistencies. Results: smoother gameplay experiences across multiple titles and reduced user-reported issues.
October 2025
September 2025
3 Commits • 1 Features
Sep 1, 2025Monthly summary for 2025-09: Focused on expanding Proton compatibility for Tales of Berseria, Sea Power, and related titles. Delivered targeted enhancements to improve performance and compatibility within the Proton compatibility layer, including new gamedrive compatibility options and CPU-count limits across multiple games. These changes reduce runtime issues and hardware variability, enabling smoother user experiences and better support for more titles. This work aligns with bug-tracking goals and sets the stage for broader title support.
September 2025
3 Commits • 1 Features
Sep 1, 2025Monthly summary for 2025-09: Focused on expanding Proton compatibility for Tales of Berseria, Sea Power, and related titles. Delivered targeted enhancements to improve performance and compatibility within the Proton compatibility layer, including new gamedrive compatibility options and CPU-count limits across multiple games. These changes reduce runtime issues and hardware variability, enabling smoother user experiences and better support for more titles. This work aligns with bug-tracking goals and sets the stage for broader title support.
August 2025
2 Commits • 1 Features
Aug 1, 2025In August 2025, delivered two Proton improvements for ValveSoftware/Proton, enhancing game compatibility and user experience. Focused fixes and one new compatibility option reduced launch issues and expanded supported titles with traceable changes.
2 Commits • 1 Features
Aug 1, 2025In August 2025, delivered two Proton improvements for ValveSoftware/Proton, enhancing game compatibility and user experience. Focused fixes and one new compatibility option reduced launch issues and expanded supported titles with traceable changes.
August 2025
June 2025
1 Commits • 1 Features
Jun 1, 2025June 2025 monthly work summary focusing on feature delivery and impact for ValveSoftware/Proton. Delivered an expanded GameDrive compatibility option in Proton's default compatibility configuration for Risk of Rain 2 and The Last of Us Part II Remastered, improving out-of-the-box user experience for these titles. This change was implemented with minimal risk, accompanying targeted tests and code review to ensure stability.
June 2025
1 Commits • 1 Features
Jun 1, 2025June 2025 monthly work summary focusing on feature delivery and impact for ValveSoftware/Proton. Delivered an expanded GameDrive compatibility option in Proton's default compatibility configuration for Risk of Rain 2 and The Last of Us Part II Remastered, improving out-of-the-box user experience for these titles. This change was implemented with minimal risk, accompanying targeted tests and code review to ensure stability.
May 2025
1 Commits
May 1, 2025Month: 2025-05 — ValveSoftware/Proton: Delivered a targeted compatibility enhancement and a bug fix to improve 32-bit game support within the Proton layer. Implemented a new environment variable OPENSSL_ia32cap to address 32-bit OpenSSL capability handling for a curated set of games, reducing crash/reasonable failure rates and expanding playable titles. This work was driven by a focused commit addressing environment-based capability flags: c906bc3a3630232cdd80afba5746848f820ce7f1 ("proton: Add OPENSSL_ia32cap env variable for many games.").
1 Commits
May 1, 2025Month: 2025-05 — ValveSoftware/Proton: Delivered a targeted compatibility enhancement and a bug fix to improve 32-bit game support within the Proton layer. Implemented a new environment variable OPENSSL_ia32cap to address 32-bit OpenSSL capability handling for a curated set of games, reducing crash/reasonable failure rates and expanding playable titles. This work was driven by a focused commit addressing environment-based capability flags: c906bc3a3630232cdd80afba5746848f820ce7f1 ("proton: Add OPENSSL_ia32cap env variable for many games.").
May 2025
April 2025
1 Commits • 1 Features
Apr 1, 2025April 2025 — ValveSoftware/Proton: Delivered a focused feature enhancement to improve game compatibility. Enabled the gamedrive option for The Elder Scrolls IV: Oblivion Remastered by adding its game ID to Proton’s compatibility list, aligning with the roadmap to broaden supported titles.
April 2025
1 Commits • 1 Features
Apr 1, 2025April 2025 — ValveSoftware/Proton: Delivered a focused feature enhancement to improve game compatibility. Enabled the gamedrive option for The Elder Scrolls IV: Oblivion Remastered by adding its game ID to Proton’s compatibility list, aligning with the roadmap to broaden supported titles.
March 2025
1 Commits
Mar 1, 2025March 2025 monthly summary focusing on Proton development work. Re-enabled FUSER compatibility in the MFDXGI hack to fix CW bug 20240 by re-adding FUSER support and adjusting compatibility configurations (including 1331440) affected by the nomfdxgiman setting. Reverted a prior change to Proton’s MFDXGI handling and validated the change to ensure stability for applications relying on FUSER.
1 Commits
Mar 1, 2025March 2025 monthly summary focusing on Proton development work. Re-enabled FUSER compatibility in the MFDXGI hack to fix CW bug 20240 by re-adding FUSER support and adjusting compatibility configurations (including 1331440) affected by the nomfdxgiman setting. Reverted a prior change to Proton’s MFDXGI handling and validated the change to ensure stability for applications relying on FUSER.
March 2025
February 2025
1 Commits
Feb 1, 2025February 2025: Implemented a gamedrive compatibility fix for Supermarket Together in Proton by adding the game's App ID to Proton's compatibility list, ensuring correct operation and improved Steam Play reliability.
February 2025
1 Commits
Feb 1, 2025February 2025: Implemented a gamedrive compatibility fix for Supermarket Together in Proton by adding the game's App ID to Proton's compatibility list, ensuring correct operation and improved Steam Play reliability.
January 2025
10 Commits • 1 Features
Jan 1, 2025January 2025 (2025-01) Monthly Summary for ValveSoftware/Proton: - Expanded game playability with GamDrive compatibility for multiple titles (Atelier Resleriana, Stronghold Crusader series, The Sims 2 Legacy Collection), increasing compatibility depth and user satisfaction across a broader game set. - MFDXGI hack cleanup completed: removed five titles (Farlight 84; POSTAL 4: No Regerts; Disintegration; FUSER; POSTAL: Brain Damaged) to reduceCW bug reports and improve compatibility signaling. - Roboquest bug-tracking metadata reference corrected in code comments to ensure precise issue linkage and traceability. - Delivered a series of targeted Proton updates with explicit commits, strengthening maintainability and future contributors' understanding of changes. Impact and business value: - Wider title support and more reliable compatibility translate to lower user support burden, higher perceived stability, and increased potential for user retention and engagement. - Reduced false positives in compatibility hacks and improved internal traceability, accelerating debugging and release cycles. Technologies/skills demonstrated: - Proton development and GamDrive integration; MFDXGI hack management; code hygiene and comment reliability; Git-based change tracing; cross-title compatibility testing and validation.
10 Commits • 1 Features
Jan 1, 2025January 2025 (2025-01) Monthly Summary for ValveSoftware/Proton: - Expanded game playability with GamDrive compatibility for multiple titles (Atelier Resleriana, Stronghold Crusader series, The Sims 2 Legacy Collection), increasing compatibility depth and user satisfaction across a broader game set. - MFDXGI hack cleanup completed: removed five titles (Farlight 84; POSTAL 4: No Regerts; Disintegration; FUSER; POSTAL: Brain Damaged) to reduceCW bug reports and improve compatibility signaling. - Roboquest bug-tracking metadata reference corrected in code comments to ensure precise issue linkage and traceability. - Delivered a series of targeted Proton updates with explicit commits, strengthening maintainability and future contributors' understanding of changes. Impact and business value: - Wider title support and more reliable compatibility translate to lower user support burden, higher perceived stability, and increased potential for user retention and engagement. - Reduced false positives in compatibility hacks and improved internal traceability, accelerating debugging and release cycles. Technologies/skills demonstrated: - Proton development and GamDrive integration; MFDXGI hack management; code hygiene and comment reliability; Git-based change tracing; cross-title compatibility testing and validation.
January 2025
December 2024
2 Commits
Dec 1, 2024December 2024 — Proton monthly summary focusing on delivering targeted Nvapi disablement fixes to improve game compatibility and stability. Key features delivered: Nvapi disablement for Simulakros, Simulakros Demo, and Assassin's Creed Syndicate by updating the nvapi disable list with the appropriate game IDs/AppIDs (commits 947ff72055491d8d6f353c9d88b5c2fc53972f1f and a4aa35bff97fcecef562b4df91d74b5d9c89793b). Major bugs fixed: Nvapi-related compatibility issues for these titles, reducing crash/hang scenarios and user-reported issues. Overall impact: smoother gameplay, higher compatibility for popular titles, and reduced support load. Technologies/skills demonstrated: Nvapi handling, patching game IDs/AppIDs, code changes in Proton repo, collaboration and release readiness.
December 2024
2 Commits
Dec 1, 2024December 2024 — Proton monthly summary focusing on delivering targeted Nvapi disablement fixes to improve game compatibility and stability. Key features delivered: Nvapi disablement for Simulakros, Simulakros Demo, and Assassin's Creed Syndicate by updating the nvapi disable list with the appropriate game IDs/AppIDs (commits 947ff72055491d8d6f353c9d88b5c2fc53972f1f and a4aa35bff97fcecef562b4df91d74b5d9c89793b). Major bugs fixed: Nvapi-related compatibility issues for these titles, reducing crash/hang scenarios and user-reported issues. Overall impact: smoother gameplay, higher compatibility for popular titles, and reduced support load. Technologies/skills demonstrated: Nvapi handling, patching game IDs/AppIDs, code changes in Proton repo, collaboration and release readiness.
November 2024
2 Commits
Nov 1, 2024November 2024 monthly summary focusing on Proton work for ValveSoftware/Proton. Delivered targeted, game-specific NVAPI compatibility fixes for Skull and Bones and Shadow Warrior by disabling NVAPI for these titles via per-game configuration. This approach resolved Proton compatibility issues for the two games without impacting other titles, improving playability and reducing support overhead. Maintained a configuration-driven, low-risk patch process suitable for rapid iteration and future per-game fixes.
2 Commits
Nov 1, 2024November 2024 monthly summary focusing on Proton work for ValveSoftware/Proton. Delivered targeted, game-specific NVAPI compatibility fixes for Skull and Bones and Shadow Warrior by disabling NVAPI for these titles via per-game configuration. This approach resolved Proton compatibility issues for the two games without impacting other titles, improving playability and reducing support overhead. Maintained a configuration-driven, low-risk patch process suitable for rapid iteration and future per-game fixes.
November 2024
October 2024
2 Commits • 1 Features
Oct 1, 2024October 2024: Delivered targeted Proton improvements for STAR WARS Jedi Knight II: Jedi Outcast and resolved a functionality bug in Hard Reset Redux by adjusting NVAPI handling. These changes expand playable titles, improve stability, and reduce support overhead, demonstrating effective iteration on compatibility configurations and quick remediation of issues affecting user experience.
October 2024
2 Commits • 1 Features
Oct 1, 2024October 2024: Delivered targeted Proton improvements for STAR WARS Jedi Knight II: Jedi Outcast and resolved a functionality bug in Hard Reset Redux by adjusting NVAPI handling. These changes expand playable titles, improve stability, and reduce support overhead, demonstrating effective iteration on compatibility configurations and quick remediation of issues affecting user experience.
September 2024
1 Commits • 1 Features
Sep 1, 2024September 2024 — Proton compatibility enhancements for Yakuza 3 and Yakuza 4 delivered in ValveSoftware/Proton. Implemented the gamedrive compatibility option to improve user experience on non-native platforms and advance cross-platform parity for Proton-supported titles.
1 Commits • 1 Features
Sep 1, 2024September 2024 — Proton compatibility enhancements for Yakuza 3 and Yakuza 4 delivered in ValveSoftware/Proton. Implemented the gamedrive compatibility option to improve user experience on non-native platforms and advance cross-platform parity for Proton-supported titles.
September 2024
August 2024
1 Commits • 1 Features
Aug 1, 2024Month 2024-08 — Proton: Configuration cleanup and GameDrive enablement for Sword of Convallaria in ValveSoftware/Proton. Focused changes reduced configuration complexity, improved user experience, and strengthened cross-compatibility testing.
August 2024
1 Commits • 1 Features
Aug 1, 2024Month 2024-08 — Proton: Configuration cleanup and GameDrive enablement for Sword of Convallaria in ValveSoftware/Proton. Focused changes reduced configuration complexity, improved user experience, and strengthened cross-compatibility testing.
June 2024
1 Commits • 1 Features
Jun 1, 2024June 2024 monthly summary for ValveSoftware/Proton focusing on key features, major fixes, impact, and skills demonstrated. Delivered a Proton compatibility enhancement for MultiVersus by enabling app ID handling to run on Linux and other non-Windows platforms, expanding accessibility and potential user base. No major bugs fixed documented within this scope for June 2024; stability improvements accompany the feature. This work strengthens Proton's cross-platform reach and demonstrates proficiency in platform integration and collaboration within the repository.
1 Commits • 1 Features
Jun 1, 2024June 2024 monthly summary for ValveSoftware/Proton focusing on key features, major fixes, impact, and skills demonstrated. Delivered a Proton compatibility enhancement for MultiVersus by enabling app ID handling to run on Linux and other non-Windows platforms, expanding accessibility and potential user base. No major bugs fixed documented within this scope for June 2024; stability improvements accompany the feature. This work strengthens Proton's cross-platform reach and demonstrates proficiency in platform integration and collaboration within the repository.
June 2024
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Quality Metrics
Correctness97.8%
Maintainability97.4%
Architecture96.8%
Performance96.8%
AI Usage20.0%
Skills & Technologies
Programming Languages
MarkdownPython
Technical Skills
Bug FixingCode MaintenanceCompatibility EngineeringCompatibility Layer DevelopmentCompatibility SettingsConfiguration ManagementEnvironment Variable ManagementGame CompatibilityGame DevelopmentGame Development ToolsLinuxPythonPython scriptingaudio programmingbug fixing
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