libretro/RetroArch
Mar 2025 – Feb 2026
7 Months active
Languages Used
CMakefileC++XMLC/C++
Technical Skills
Build System ConfigurationBuild SystemsC ProgrammingCode RefactoringConfigurationDevice Management
zoltanvb
PROFILE
Zoltanvb
Zoltan Balogh contributed to the libretro/RetroArch project by developing and refining cross-platform emulator features over seven months. He enhanced input handling and device management, improved UI robustness, and expanded build system flexibility, focusing on both Android and desktop environments. Using C and C++, Zoltan addressed issues such as keyboard mapping accuracy, multi-mouse support on X11, and robust media file handling for formats like CHD and CD-i. His work included code refactoring for maintainability, database management improvements, and preparation for future content scanning features. These efforts resulted in more reliable input, streamlined UI workflows, and improved cross-platform stability and usability.
Overall Statistics
Feature vs Bugs
75%Features
Repository Contributions
23Total
Bugs
4
Commits
23
Features
12
Lines of code
884
Activity Months7
Your Network
81 peopleWork History
February 2026
1 Commits
Feb 1, 2026February 2026 (2026-02): Focus on stabilizing the NES library experience in RetroArch by fixing a data-merge bug in the Menu Explore flow. The change removes an early return in menu_explore_build_list, enabling merging of multiple NES database entries and ensuring all relevant entries are processed in a single explore operation. This improves catalog accuracy and user experience when browsing NES entries.
1 Commits
Feb 1, 2026February 2026 (2026-02): Focus on stabilizing the NES library experience in RetroArch by fixing a data-merge bug in the Menu Explore flow. The change removes an early return in menu_explore_build_list, enabling merging of multiple NES database entries and ensuring all relevant entries are processed in a single explore operation. This improves catalog accuracy and user experience when browsing NES entries.
February 2026
January 2026
2 Commits • 2 Features
Jan 1, 2026January 2026 monthly summary for libretro/RetroArch focusing on foundational work enabling the upcoming content scanning rework and DOS build robustness. Delivered two key feature prep efforts and maintained a high bar for code quality and cross-file integration. No major bugs fixed this month. Overall impact: prepared groundwork to accelerate the next wave of feature delivery, improved cross-file accessibility, and reduced environment-related errors on DOS.
January 2026
2 Commits • 2 Features
Jan 1, 2026January 2026 monthly summary for libretro/RetroArch focusing on foundational work enabling the upcoming content scanning rework and DOS build robustness. Delivered two key feature prep efforts and maintained a high bar for code quality and cross-file integration. No major bugs fixed this month. Overall impact: prepared groundwork to accelerate the next wave of feature delivery, improved cross-file accessibility, and reduced environment-related errors on DOS.
November 2025
2 Commits • 1 Features
Nov 1, 2025November 2025: Delivered robust media file handling improvements for CHD/CD-i/GDI in libretro/RetroArch, focusing on accurate file size retrieval, CRC-based fallbacks, and corrected parsing for CD-i. The changes reduce misdetections and improve reliability across media types, enhancing user experience and stability across platforms.
2 Commits • 1 Features
Nov 1, 2025November 2025: Delivered robust media file handling improvements for CHD/CD-i/GDI in libretro/RetroArch, focusing on accurate file size retrieval, CRC-based fallbacks, and corrected parsing for CD-i. The changes reduce misdetections and improve reliability across media types, enhancing user experience and stability across platforms.
November 2025
June 2025
1 Commits
Jun 1, 2025June 2025 monthly summary for libretro/RetroArch: Key focus on Android keyboard input mapping corrections to improve input usability on Android devices in the emulator. Implemented alignment of Enter key with DPAD_CENTER and corrected left/right shift mappings to the proper RetroArch keycodes. Delivered via a focused bug fix commit, resulting in more accurate and reliable keyboard input across Android devices.
June 2025
1 Commits
Jun 1, 2025June 2025 monthly summary for libretro/RetroArch: Key focus on Android keyboard input mapping corrections to improve input usability on Android devices in the emulator. Implemented alignment of Enter key with DPAD_CENTER and corrected left/right shift mappings to the proper RetroArch keycodes. Delivered via a focused bug fix commit, resulting in more accurate and reliable keyboard input across Android devices.
May 2025
3 Commits • 2 Features
May 1, 2025May 2025: Delivered targeted UX and platform enhancements for RetroArch (libretro/RetroArch). Core Options Reset UI improvements relocated to Main Menu / Configuration Files, with the reset entry hidden when no core is loaded to prevent invalid resets. Android builds gained network command support by enabling HAVE_NETWORK_CMD, expanding functionality on mobile devices. These changes reduce user confusion, prevent invalid actions, and strengthen cross-platform parity across desktop and Android.
3 Commits • 2 Features
May 1, 2025May 2025: Delivered targeted UX and platform enhancements for RetroArch (libretro/RetroArch). Core Options Reset UI improvements relocated to Main Menu / Configuration Files, with the reset entry hidden when no core is loaded to prevent invalid resets. Android builds gained network command support by enabling HAVE_NETWORK_CMD, expanding functionality on mobile devices. These changes reduce user confusion, prevent invalid actions, and strengthen cross-platform parity across desktop and Android.
May 2025
April 2025
6 Commits • 4 Features
Apr 1, 2025April 2025 performance summary for libretro/RetroArch: Delivered cross-platform UI and input enhancements, improved debugging capabilities, and reinforced UI robustness, driving improved user experience and developer efficiency.
April 2025
6 Commits • 4 Features
Apr 1, 2025April 2025 performance summary for libretro/RetroArch: Delivered cross-platform UI and input enhancements, improved debugging capabilities, and reinforced UI robustness, driving improved user experience and developer efficiency.
March 2025
8 Commits • 3 Features
Mar 1, 20252025-03 monthly summary: Focused on stabilizing input handling, refining device reservation logic, reducing UI maintenance, and expanding build flexibility for RetroArch. Delivered consolidated input system enhancements across Android and Linuxraw, resolved reserved device selection for multi-instance controllers, removed unused Discord avatar code from the Ozone menu, and added a plain_drm build option to support DRM builds when other video drivers are not in use. Collectively these changes improve cross-platform input reliability, prevent incorrect device reservations, simplify the UI codebase, and broaden deployment options across platforms.
8 Commits • 3 Features
Mar 1, 20252025-03 monthly summary: Focused on stabilizing input handling, refining device reservation logic, reducing UI maintenance, and expanding build flexibility for RetroArch. Delivered consolidated input system enhancements across Android and Linuxraw, resolved reserved device selection for multi-instance controllers, removed unused Discord avatar code from the Ozone menu, and added a plain_drm build option to support DRM builds when other video drivers are not in use. Collectively these changes improve cross-platform input reliability, prevent incorrect device reservations, simplify the UI codebase, and broaden deployment options across platforms.
March 2025
Activity
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Quality Metrics
Correctness84.0%
Maintainability83.4%
Architecture76.6%
Performance76.6%
AI Usage20.0%
Skills & Technologies
Programming Languages
CC++C/C++MakefileXML
Technical Skills
Android DevelopmentBuild System ConfigurationBuild SystemsC ProgrammingC programmingCode RefactoringConfigurationConfiguration ManagementCore DevelopmentDevice ManagementDriver DevelopmentEmbedded SystemsEmulator DevelopmentFile HandlingInput Driver Development
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