nvaccess/nvda
Nov 2024 – Apr 2026
8 Months active
Languages Used
C++PythonBashMarkdownYAMLPowerShell
Technical Skills
Accessibility developmentLow-level audio programmingWindows Audio API (WASAPI)AccessibilityEvent HandlingWeb Browsers
James Teh
PROFILE
James Teh
Over eight months, contributed to the nvaccess/nvda repository by building and stabilizing accessibility features for screen reader users, focusing on Windows and web environments. Delivered targeted enhancements such as bypassing Windows audio ducking for NVDA speech, improving Start Menu accessibility on Windows 11, and refining ARIA label handling in focus mode. Addressed complex bugs involving remote access, browser compatibility, and low-level audio programming using C++, Python, and the Windows Audio Session API. Improved CI/CD workflows by expanding debug symbol coverage for C++ builds, ensuring robust debugging and maintainability. Demonstrated depth in accessibility development, error handling, and cross-platform validation.
Overall Statistics
Feature vs Bugs
18%Features
Repository Contributions
11Total
Bugs
9
Commits
11
Features
2
Lines of code
281
Activity Months8
Your Network
37 peopleWork History
April 2026
1 Commits • 1 Features
Apr 1, 2026April 2026 monthly summary for nvaccess/nvda focusing on business value delivered through CI improvements and robust symbol management for C++ builds. Implemented enhancements to the CI symbol store to include NVDA lib DLL/EXE/PDB files, improving debuggability of native code and coverage for nvdaHelperRemote crash scenarios. Fixed a CI artifact bug where symbol packages were missing lib artifacts, aligning symbol artifacts with the current library structure and ensuring reliable debugging data across architectures. Validation and impact demonstrated by updated CI scripts and thorough artifact checks, enabling faster root-cause analysis and more reliable release pipelines.
1 Commits • 1 Features
Apr 1, 2026April 2026 monthly summary for nvaccess/nvda focusing on business value delivered through CI improvements and robust symbol management for C++ builds. Implemented enhancements to the CI symbol store to include NVDA lib DLL/EXE/PDB files, improving debuggability of native code and coverage for nvdaHelperRemote crash scenarios. Fixed a CI artifact bug where symbol packages were missing lib artifacts, aligning symbol artifacts with the current library structure and ensuring reliable debugging data across architectures. Validation and impact demonstrated by updated CI scripts and thorough artifact checks, enabling faster root-cause analysis and more reliable release pipelines.
April 2026
October 2025
2 Commits
Oct 1, 2025October 2025 monthly summary for nvaccess/nvda: Focused on improving debugging workflow with Mozilla integration and enhancing accessibility in browse mode. Delivered two high-impact fixes that increase reliability, developer productivity, and user experience.
October 2025
2 Commits
Oct 1, 2025October 2025 monthly summary for nvaccess/nvda: Focused on improving debugging workflow with Mozilla integration and enhancing accessibility in browse mode. Delivered two high-impact fixes that increase reliability, developer productivity, and user experience.
July 2025
2 Commits
Jul 1, 2025Overview: For 2025-07, focused on stabilizing remote speech functionality and addressing regression risks in accessibility features for nvda. No new user-facing features shipped this month; two high-priority bug fixes were implemented in nvda (nvaccess/nvda repo), improving remote usage reliability and browser accessibility. Impact: These fixes reduce remote-session interruptions, improve reliability of assistive technologies for users connected via NVDA Remote Access, and restore stable label review/spell behavior in web browsers. Technical changes emphasize thread safety and precise API usage to minimize regressions.
2 Commits
Jul 1, 2025Overview: For 2025-07, focused on stabilizing remote speech functionality and addressing regression risks in accessibility features for nvda. No new user-facing features shipped this month; two high-priority bug fixes were implemented in nvda (nvaccess/nvda repo), improving remote usage reliability and browser accessibility. Impact: These fixes reduce remote-session interruptions, improve reliability of assistive technologies for users connected via NVDA Remote Access, and restore stable label review/spell behavior in web browsers. Technical changes emphasize thread safety and precise API usage to minimize regressions.
July 2025
June 2025
2 Commits
Jun 1, 2025June 2025 monthly summary for nvda (repository: nvaccess/nvda). Focused on stabilization and accessibility improvements across Windows 11 interactions and ARIA-labeled controls. Delivered two critical bug fixes that enhance reliability and user experience for screen reader users working with Chromium-based Start Menu components and in focus-mode navigation. Key outcomes include reduced UIA focus-related freezes, more reliable Start Menu interactions on Windows 11 24H2, and improved feedback for non-navigable text in controls via ARIA attributes. These changes strengthen NVDA's stability, performance, and accessibility in core UI scenarios.
June 2025
2 Commits
Jun 1, 2025June 2025 monthly summary for nvda (repository: nvaccess/nvda). Focused on stabilization and accessibility improvements across Windows 11 interactions and ARIA-labeled controls. Delivered two critical bug fixes that enhance reliability and user experience for screen reader users working with Chromium-based Start Menu components and in focus-mode navigation. Key outcomes include reduced UIA focus-related freezes, more reliable Start Menu interactions on Windows 11 24H2, and improved feedback for non-navigable text in controls via ARIA attributes. These changes strengthen NVDA's stability, performance, and accessibility in core UI scenarios.
May 2025
1 Commits
May 1, 2025May 2025 monthly summary for nvda (nvaccess/nvda). Focused on stability and user experience improvements in remote sessions through a disconnection handling fix and enhanced log hygiene. Delivered a robust fix enabling switching from remote to local computer even when the remote connection is down, and adjusted logging to emit disconnections as debug warnings rather than errors, reducing noise and aiding troubleshooting.
1 Commits
May 1, 2025May 2025 monthly summary for nvda (nvaccess/nvda). Focused on stability and user experience improvements in remote sessions through a disconnection handling fix and enhanced log hygiene. Delivered a robust fix enabling switching from remote to local computer even when the remote connection is down, and adjusted logging to emit disconnections as debug warnings rather than errors, reducing noise and aiding troubleshooting.
May 2025
February 2025
1 Commits
Feb 1, 2025February 2025 (nvaccess/nvda) — Focused on cross-browser accessibility reliability by implementing a Firefox Gecko UIA compatibility fix to ensure IA2 is used for Gecko web content. The change excludes Mozilla window classes from UIA usage, preventing NVDA from switching to UIA in Firefox and improving usability and stability for Firefox users. This work is captured in commit 690103ad5778e75cb0305101a3091df2898add74 ('Never use UIA for Mozilla Gecko. (#17694)').
February 2025
1 Commits
Feb 1, 2025February 2025 (nvaccess/nvda) — Focused on cross-browser accessibility reliability by implementing a Firefox Gecko UIA compatibility fix to ensure IA2 is used for Gecko web content. The change excludes Mozilla window classes from UIA usage, preventing NVDA from switching to UIA in Firefox and improving usability and stability for Firefox users. This work is captured in commit 690103ad5778e75cb0305101a3091df2898add74 ('Never use UIA for Mozilla Gecko. (#17694)').
December 2024
1 Commits
Dec 1, 2024December 2024 monthly summary for nvaccess/nvda: Focused on accessibility stabilization in editable text controls. Implemented a bug fix to ensure auto select detection initializes when focus returns to the document, restoring reliable text selection reporting across web browsers. The change targeted issue #17503 and was committed in the repository as 8a82bd5b2004dcb0a4313e6784df195bdfdcf1e6. Delivered with thorough validation across browsers and with clear commit messaging to support maintainability and future accessibility work.
1 Commits
Dec 1, 2024December 2024 monthly summary for nvaccess/nvda: Focused on accessibility stabilization in editable text controls. Implemented a bug fix to ensure auto select detection initializes when focus returns to the document, restoring reliable text selection reporting across web browsers. The change targeted issue #17503 and was committed in the repository as 8a82bd5b2004dcb0a4313e6784df195bdfdcf1e6. Delivered with thorough validation across browsers and with clear commit messaging to support maintainability and future accessibility work.
December 2024
November 2024
1 Commits • 1 Features
Nov 1, 2024In November 2024, delivered a focused enhancement to NVDA Audio that prevents Windows' default communication ducking from attenuating NVDA speech and sounds. This was achieved by updating the WASAPI audio path to opt out of system-level ducking, ensuring clear narration and feedback even when VoIP apps (e.g., Skype, Discord) are active. The change reduces audio conflicts between communication apps and NVDA, improving accessibility and real-time usability for users during calls.
November 2024
1 Commits • 1 Features
Nov 1, 2024In November 2024, delivered a focused enhancement to NVDA Audio that prevents Windows' default communication ducking from attenuating NVDA speech and sounds. This was achieved by updating the WASAPI audio path to opt out of system-level ducking, ensuring clear narration and feedback even when VoIP apps (e.g., Skype, Discord) are active. The change reduces audio conflicts between communication apps and NVDA, improving accessibility and real-time usability for users during calls.
Activity
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Quality Metrics
Correctness94.6%
Maintainability91.0%
Architecture87.2%
Performance89.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
BashC++MarkdownPowerShellPythonYAML
Technical Skills
AccessibilityAccessibility developmentBuild SystemsC++C++ DevelopmentCI/CDDebuggingError HandlingEvent HandlingLow-level audio programmingNVDA DevelopmentPython DevelopmentPython programmingRemote AccessScreen Reader Development
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