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OSS Report: libretro/RetroArch


RetroArch Development Sees Steady Progress with Focus on Input Enhancements and Localization

RetroArch, a versatile frontend for the libretro API enabling cross-platform video game emulation, continues to evolve with notable improvements in input handling and localization efforts.

Recent Activity

Recent pull requests (PRs) and issues highlight key areas of focus:

Development Team Activity

  1. github-actions

    • 21 commits focused on fetching translations from Crowdin.
  2. sonninnos

    • 6 commits addressing frame delay fixes and pause toggle adjustments.
  3. Eric Warmenhoven (warmenhoven)

    • 25 commits tackling iOS/tvOS compatibility, build issues, and controller enhancements.
  4. LibretroAdmin

    • 54 commits on general cleanups and optimizations.
  5. zoltanvb

    • 9 commits implementing file browser enhancements and input handling improvements.
  6. ItzSelenux

    • 2 commits adding a new Ozone theme.
  7. neil4

    • 1 commit improving input polling.
  8. viachaslavic

    • 1 commit on build configuration adjustments.
  9. phcoder

    • 1 commit enhancing CHD hashing.
  10. Jamiras

    • 2 commits updating achievement messaging.
  11. ehaupt

    • 1 commit on FreeBSD port patches.
  12. s3gfaultx

    • 1 commit enhancing menu settings.
  13. jbreitweiser

    • 1 commit fixing playlist icon handling.

Additional contributors include JesseTG, fjtrujy, kokoko3k, michael-leroy, focusing on specific bugs or features.

Of Note

Quantified Reports

Quantify Issues



Recent GitHub Issues Activity

Timespan Opened Closed Comments Labeled Milestones
7 Days 12 14 17 12 1
30 Days 66 39 128 66 1
90 Days 185 74 344 184 1
All Time 7777 5039 - - -

Like all software activity quantification, these numbers are imperfect but sometimes useful. Comments, Labels, and Milestones refer to those issues opened in the timespan in question.

Quantify commits



Quantified Commit Activity Over 30 Days

Developer Avatar Branches PRs Commits Files Changes
Eric Warmenhoven 1 26/25/1 25 86 90773
github-actions 1 0/0/0 21 47 10496
libretroadmin 1 0/0/0 54 145 9059
sonninnos 1 6/6/0 6 31 1170
zoltanvb 1 6/8/0 9 23 675
Aleksander Mazur 1 1/1/0 1 8 260
Joe Osborn 1 1/1/0 1 1 231
Jamiras 1 2/2/0 2 5 216
Jay Paul 1 0/1/0 1 11 193
neil4 1 1/1/0 1 3 136
Vladimir Serbinenko 1 0/0/0 1 4 92
ItsZariep 1 2/2/0 2 5 83
Antonio Orefice 1 1/1/0 1 1 43
Ethan Lee 1 1/1/0 1 1 20
Emanuel Haupt 1 0/0/0 1 3 13
Francisco Javier Trujillo Mata 1 1/1/0 1 2 10
Jason Breitweiser 1 1/1/0 1 1 9
Viačasłaŭ 1 0/1/0 1 1 8
Jesse Talavera 1 2/2/0 2 2 7
michael-leroy 1 1/1/0 1 1 2
Rob Loach (RobLoach) 0 2/0/0 0 0 0
Remi McGill (HyperspaceMadness) 0 0/0/1 0 0 0

PRs: created by that dev and opened/merged/closed-unmerged during the period

Detailed Reports

Report On: Fetch issues



Recent Activity Analysis

The RetroArch GitHub repository currently has 2,795 open issues, indicating a high level of ongoing development and user engagement. Recent activity shows a mix of bug reports, feature requests, and discussions about core functionalities, particularly related to controller support and performance issues across various platforms.

Notable anomalies include the frequent reports of crashes and performance degradation when using specific cores or features, such as the Dolphin core on iOS or issues with the N64 core on tvOS. There are also recurring themes around controller configuration problems, especially with the Nintendo Switch Pro Controller and its integration across different operating systems.

Issue Details

Most Recently Created Issues

  1. Issue #17016: RG405V (aarch64) | Binding "Home/Back" button to "Hotkey Enable" allows brief in-game input

    • Priority: Medium
    • Status: Open
    • Created: 0 days ago
  2. Issue #17014: [IMPORTANT]: Android APK version 1.19.0 and newer prompts for a password and fails to install on Android

    • Priority: High
    • Status: Open
    • Created: 1 day ago
  3. Issue #17011: XMB menu shows wrong number of games

    • Priority: Medium
    • Status: Open
    • Created: 1 day ago
  4. Issue #17006: [Feature Request]: Support video rotation via Network API

    • Priority: Low
    • Status: Open
    • Created: 3 days ago
  5. Issue #17004: Better arrangement choices for a frontend to enumerate pick-list options

    • Priority: Low
    • Status: Open
    • Created: 3 days ago

Most Recently Updated Issues

  1. Issue #16972: [Bug]: Security Vulnerability - Action Required: Heap-based Buffer Overflow vulnerability may in your project

    • Priority: High
    • Status: Open
    • Updated: 5 days ago
  2. Issue #16968: Android: Accessibility: make a fullscreen element so that TalkBack's AI can describe the screen inside games

    • Priority: Medium
    • Status: Open
    • Updated: 12 days ago
  3. Issue #16967: Add new RA stable release for PS Vita (homebrew app) on Vita DB

    • Priority: Medium
    • Status: Open
    • Updated: 13 days ago
  4. Issue #16956: RTC not working in Retroarch subsystem - Sameboy

    • Priority: Medium
    • Status: Open
    • Updated: 16 days ago
  5. Issue #16898: linuxraw: The linuxraw controller driver connects the mouse instead of the joypad in GNU/Linux virtual machines

    • Priority: Medium
    • Status: Open
    • Updated: 30 days ago

Analysis of Themes and Commonalities

  • There is a significant focus on controller-related issues, particularly with the Nintendo Switch Pro Controller and its functionality across different platforms.
  • Performance issues are frequently reported, especially concerning specific cores (e.g., Dolphin, N64) on various devices like iOS and tvOS.
  • Users are actively requesting features that enhance usability, such as better cloud sync options, improved controller profiles management, and more intuitive UI elements.
  • Security vulnerabilities have been flagged recently, indicating an awareness within the community regarding the importance of maintaining secure codebases.

Overall, the repository reflects a vibrant community actively engaged in improving RetroArch while facing challenges typical of complex software projects with extensive feature sets.

Report On: Fetch pull requests



Overview

The provided datasets contain a wealth of information regarding the pull requests (PRs) for the RetroArch project, including both open and closed PRs. This analysis will focus on the themes, commonalities, and notable aspects of these PRs, shedding light on the project's development trends, community engagement, and areas of active improvement.

Summary of Pull Requests

Open Pull Requests

  1. PR #17012: Add GET_CORE_DATA and SET_CORE_DATA environment callbacks

    • Introduces new environment callbacks for setting and getting core-specific data, aiming to reduce reliance on global/static variables within cores.
  2. PR #16449: Use reverse DNS name for desktop file and icon

    • Updates the naming convention for desktop files and icons to follow reverse DNS format, improving compliance with FDO specifications.
  3. PR #16420: Initial work on PBP scanning

    • Begins implementation for scanning PBP files, potentially expanding RetroArch's compatibility with various game formats.
  4. PR #16188: udev and SDL Sensor and Touchpad

    • Implements support for sensors and touchpads via udev and SDL, enhancing input capabilities across different devices.
  5. PR #15739: Adding localization support to cheevos.c

    • Adds localization support for achievement messages in RetroArch, broadening accessibility for non-English speaking users.

Closed Pull Requests

  1. PR #17013: Automatic Frame Delay: Fix special overtime edge case

    • Fixes an edge case in automatic frame delay logic to prevent unwanted delay increases.
  2. PR #17010: Fix pause toggle to not clear fast-forward state

    • Corrects behavior where toggling pause would inadvertently clear fast-forward state.
  3. PR #17009: (Vulkan) Prefer IMMEDIATE mode without vsync

    • Enhances Vulkan driver by preferring IMMEDIATE presentation mode when vsync is disabled, reducing input lag.
  4. PR #17007: Fix steam build

    • Addresses issues with building RetroArch for Steam platforms.
  5. PR #17003: Preemptive Frames updates

    • Minor improvements to preemptive frames functionality, including better handling of pointing devices.

Analysis of Pull Requests

Themes and Commonalities

  • Input and Control Enhancements: Several PRs focus on improving input handling across various platforms (e.g., PR #16188, PR #17003). This indicates an ongoing effort to enhance user experience by supporting a wider range of input devices and refining existing input mechanisms.

  • Localization and Accessibility: PRs like #15739 highlight a commitment to making RetroArch more accessible to non-English speakers through localization efforts. This is crucial for a global user base.

  • Compliance and Standardization: PRs such as #16449 demonstrate efforts towards compliance with industry standards (e.g., FDO specifications), which can improve integration with different operating systems and environments.

  • Performance Optimization: Several closed PRs (e.g., PR #17009) focus on optimizing performance, particularly in terms of input latency and frame delay management. This is essential for providing a smooth gaming experience, especially in competitive scenarios.

Notable Aspects

  • The presence of multiple PRs addressing similar functionalities (e.g., input handling across different devices) suggests active exploration and refinement in these areas.

  • The quick turnaround time from PR creation to closure for several PRs indicates an efficient review process within the RetroArch community, allowing for rapid iteration and improvement.

  • The diversity of contributions, ranging from localization efforts to low-level performance optimizations, reflects a broad interest in enhancing RetroArch from multiple angles—usability, accessibility, compliance, and performance.

Conclusion

The analysis of RetroArch's pull requests reveals a vibrant development community focused on continuous improvement across various dimensions of the project. From enhancing input handling to expanding localization efforts and optimizing performance, these contributions are crucial for maintaining RetroArch's position as a leading solution in the realm of game emulation. The efficient handling of pull requests further underscores the project's commitment to quality and responsiveness to community needs.

Report On: Fetch commits



Repo Commits Analysis

Development Team and Recent Activity

Team Members and Their Recent Activities

  1. github-actions

    • Activity: 21 commits, 10,496 changes.
    • Focus: Fetching translations from Crowdin.
  2. sonninnos

    • Activity: 6 commits, 1,170 changes.
    • Features/Bugs: Worked on automatic frame delay fixes and pause toggle adjustments.
    • Collaboration: Engaged with multiple issues related to frame handling.
  3. Eric Warmenhoven (warmenhoven)

    • Activity: 25 commits, 90,773 changes.
    • Features/Bugs: Addressed various bugs including fixes for iOS/tvOS compatibility, build issues, and enhancements for controller handling.
    • Collaboration: Actively involved in multiple pull requests and ongoing improvements across several branches.
  4. LibretroAdmin

    • Activity: 54 commits, 9,059 changes.
    • Focus: General cleanups, optimizations, and bug fixes across various components.
    • Collaboration: No open pull requests; primarily focused on internal improvements.
  5. zoltanvb

    • Activity: 9 commits, 675 changes.
    • Features/Bugs: Implemented new features like file browser start directory support and enhancements to input handling.
    • Collaboration: Engaged in several pull requests related to input device management.
  6. ItzSelenux

    • Activity: 2 commits, 83 changes.
    • Focus: Added a new theme for Ozone interface.
  7. neil4

    • Activity: 1 commit, 136 changes.
    • Focus: Improvements to input polling and state management.
  8. viachaslavic

    • Activity: 1 commit, 8 changes.
    • Focus: Minor adjustments related to build configurations.
  9. phcoder

    • Activity: 1 commit, 92 changes.
    • Focus: Enhancements related to CHD hashing.
  10. Jamiras

    • Activity: 2 commits, 216 changes.
    • Focus: Updates to achievement messaging and rcheevos integration.
  11. ehaupt

    • Activity: 1 commit, 13 changes.
    • Focus: Minor adjustments related to FreeBSD port patches.
  12. s3gfaultx

    • Activity: 1 commit, 193 changes.
    • Focus: Various enhancements across menu settings.
  13. jbreitweiser

    • Activity: 1 commit, 9 changes.
    • Focus: Fixes for playlist icon handling.
  14. Additional contributors include JesseTG, fjtrujy, kokoko3k, michael-leroy, and others with minor contributions focused on specific bugs or features.

Patterns and Themes

  • The team is actively engaged in addressing bugs and enhancing features primarily around user interface improvements (Ozone theme), performance optimizations (frame delay handling), and cross-platform compatibility (iOS/tvOS).
  • A significant amount of activity is centered around fetching translations from Crowdin, indicating a focus on internationalization and localization efforts.
  • Eric Warmenhoven stands out with the highest number of commits and significant contributions towards resolving platform-specific issues.
  • Collaboration appears robust among team members with multiple pull requests being opened and merged across various branches.
  • The development process shows a clear emphasis on continuous integration and maintenance of code quality through frequent cleanups by LibretroAdmin.

Conclusions

The RetroArch development team demonstrates a strong commitment to improving the software's functionality while maintaining high standards of code quality. The active engagement in bug fixing and feature enhancement suggests a responsive approach to community feedback and ongoing project needs. The focus on localization through Crowdin also highlights an inclusive strategy aimed at broadening user accessibility across different languages.