MetaMask/metamask-mobile
May 2025 – Feb 2026
10 Months active
Languages Used
JavaScriptTypeScripttsxBashGroovyJavaObjective-CSwift
Technical Skills
Component Library UsageMobile DevelopmentReact NativeUI DevelopmentUI/UXAnalytics
Wei Sun
PROFILE
Wei Sun
Wei Sun contributed to the MetaMask/metamask-mobile repository by delivering robust mobile features and stability improvements across Android and iOS. Over ten months, Wei engineered deep-link handling, OTA update workflows, and authentication flows using React Native, TypeScript, and JavaScript. Their work included integrating Expo EAS for over-the-air updates, refining CI/CD pipelines, and enhancing security with origin validation and hardware signing controls. Wei addressed critical bugs such as Android cold start crashes and improved onboarding and modal UX. The technical depth is evident in their approach to cross-platform debugging, release automation, and persistent state management, resulting in more reliable, maintainable mobile releases.
Overall Statistics
Feature vs Bugs
54%Features
Repository Contributions
87Total
Bugs
19
Commits
87
Features
22
Lines of code
21,655
Activity Months10
Your Network
233 people
Work History
February 2026
1 Commits
Feb 1, 2026February 2026 monthly summary for metamask-mobile: Stabilized startup reliability on Android by addressing a crash triggered during cold start when notification permission changes could activate Notifee's BlockStateBroadcastReceiver before React Native was fully initialized. This targeted fix mitigates an Android ANR risk and improves first-run and startup consistency ahead of notification-permission flows. The change is captured in commit b5668644fe798ec6c7738d32ab8076e94397c8e5 (fix: Android ANR bug cp-7.64.0 (#25551)).
1 Commits
Feb 1, 2026February 2026 monthly summary for metamask-mobile: Stabilized startup reliability on Android by addressing a crash triggered during cold start when notification permission changes could activate Notifee's BlockStateBroadcastReceiver before React Native was fully initialized. This targeted fix mitigates an Android ANR risk and improves first-run and startup consistency ahead of notification-permission flows. The change is captured in commit b5668644fe798ec6c7738d32ab8076e94397c8e5 (fix: Android ANR bug cp-7.64.0 (#25551)).
February 2026
January 2026
10 Commits • 3 Features
Jan 1, 2026January 2026: Focused on reliability, security, and delivery efficiency for metamask-mobile. Delivered OTA updates system enhancements (environment-driven signing, multi-channel deployments, platform-specific updates, build-time environment handling), introduced OTA modal prompts and production-visible OTA version display. Fixed DApp connection reliability with a validated changelog reflecting the fix. Hardened security with origin validation for external requests and expanded hardware auto-signing. Modernized Build and Dependency Management by upgrading dependencies and separating setup dependencies from EAS push job, improving artifact management. Result: faster, more secure, and more reliable delivery of updates with clearer production observability and reduced risk in release pipelines.
January 2026
10 Commits • 3 Features
Jan 1, 2026January 2026: Focused on reliability, security, and delivery efficiency for metamask-mobile. Delivered OTA updates system enhancements (environment-driven signing, multi-channel deployments, platform-specific updates, build-time environment handling), introduced OTA modal prompts and production-visible OTA version display. Fixed DApp connection reliability with a validated changelog reflecting the fix. Hardened security with origin validation for external requests and expanded hardware auto-signing. Modernized Build and Dependency Management by upgrading dependencies and separating setup dependencies from EAS push job, improving artifact management. Result: faster, more secure, and more reliable delivery of updates with clearer production observability and reduced risk in release pipelines.
December 2025
6 Commits • 3 Features
Dec 1, 2025December 2025 monthly summary for MetaMask/metamask-mobile focusing on delivering reliable OTA updates, secure authentication flows, and hardened hardware signing, with measurable impact on reliability, security, and developer velocity. Key outcomes include consolidated authentication capabilities, improved OTA/environment handling, and tightened hardware signing controls, all backed by targeted commits and test stabilization.
6 Commits • 3 Features
Dec 1, 2025December 2025 monthly summary for MetaMask/metamask-mobile focusing on delivering reliable OTA updates, secure authentication flows, and hardened hardware signing, with measurable impact on reliability, security, and developer velocity. Key outcomes include consolidated authentication capabilities, improved OTA/environment handling, and tightened hardware signing controls, all backed by targeted commits and test stabilization.
December 2025
November 2025
16 Commits • 2 Features
Nov 1, 2025November 2025 – metamask-mobile (MetaMask/metamask-mobile) Key features delivered: - OTA updates via Expo EAS rollout: end-to-end integration including preview channel, runtime/version configuration, feature flags, security measures, and enhanced observability with Sentry. Workflow improvements and initial setup completed to enable safer, faster releases. - Android WebView permission flow consolidation: unified permission dialog for multiple resources with improved error handling and a React Native WebView patch to improve stability. Major bugs fixed: - Invalid QR code alert: ensure only a single alert is shown and navigate to home after scanning. - accountByChainId undefined bug: use optional chaining with a default empty object to prevent crashes. - iOS file download alert: removed prompt to download file.bin to streamline UX. - Versioning cleanup: revert version number from 7.61.99 to 7.61.0 and clean up related history. - Changelog hygiene: removed duplicate sections and stale entries to maintain accurate release notes. Overall impact and accomplishments: - Reduced release risk and cycle time through robust OTA updates, enhanced cross-platform UX, and clearer release notes. - Improved stability and user experience by eliminating noisy prompts and crash surfaces. - Strengthened engineering discipline with observability (Sentry), feature flags, and diligent changelog governance. Technologies/skills demonstrated: - Expo EAS, React Native, Android WebView, RN WebView patches, Sentry observability, feature flags, version management, and release governance.
November 2025
16 Commits • 2 Features
Nov 1, 2025November 2025 – metamask-mobile (MetaMask/metamask-mobile) Key features delivered: - OTA updates via Expo EAS rollout: end-to-end integration including preview channel, runtime/version configuration, feature flags, security measures, and enhanced observability with Sentry. Workflow improvements and initial setup completed to enable safer, faster releases. - Android WebView permission flow consolidation: unified permission dialog for multiple resources with improved error handling and a React Native WebView patch to improve stability. Major bugs fixed: - Invalid QR code alert: ensure only a single alert is shown and navigate to home after scanning. - accountByChainId undefined bug: use optional chaining with a default empty object to prevent crashes. - iOS file download alert: removed prompt to download file.bin to streamline UX. - Versioning cleanup: revert version number from 7.61.99 to 7.61.0 and clean up related history. - Changelog hygiene: removed duplicate sections and stale entries to maintain accurate release notes. Overall impact and accomplishments: - Reduced release risk and cycle time through robust OTA updates, enhanced cross-platform UX, and clearer release notes. - Improved stability and user experience by eliminating noisy prompts and crash surfaces. - Strengthened engineering discipline with observability (Sentry), feature flags, and diligent changelog governance. Technologies/skills demonstrated: - Expo EAS, React Native, Android WebView, RN WebView patches, Sentry observability, feature flags, version management, and release governance.
October 2025
10 Commits • 2 Features
Oct 1, 2025Summary for 2025-10: MetaMask/metamask-mobile delivered key release hygiene improvements, a critical deep-link routing bug fix, and initial profiling support for experimental builds, driving more reliable releases, better user experience for deep links, and enhanced debugging capabilities for performance investigations.
10 Commits • 2 Features
Oct 1, 2025Summary for 2025-10: MetaMask/metamask-mobile delivered key release hygiene improvements, a critical deep-link routing bug fix, and initial profiling support for experimental builds, driving more reliable releases, better user experience for deep links, and enhanced debugging capabilities for performance investigations.
October 2025
September 2025
25 Commits • 6 Features
Sep 1, 2025September 2025 saw a blend of feature delivery, test stabilization, and release tooling improvements for metamask-mobile. Key outcomes include implementing the reassure API (#19010), stabilizing the test suite with comprehensive snapshot updates (including 097.test.ts), and modernizing release tooling with Yarn-based Husky, stable/main syncs, and enhanced changelog/versioning practices. Additional reliability came from Yarn deduplication and SDK communication layer bumps. These efforts reduce release risk, accelerate time-to-market, and strengthen platform reliability.
September 2025
25 Commits • 6 Features
Sep 1, 2025September 2025 saw a blend of feature delivery, test stabilization, and release tooling improvements for metamask-mobile. Key outcomes include implementing the reassure API (#19010), stabilizing the test suite with comprehensive snapshot updates (including 097.test.ts), and modernizing release tooling with Yarn-based Husky, stable/main syncs, and enhanced changelog/versioning practices. Additional reliability came from Yarn deduplication and SDK communication layer bumps. These efforts reduce release risk, accelerate time-to-market, and strengthen platform reliability.
August 2025
6 Commits • 2 Features
Aug 1, 2025Concise monthly summary for 2025-08: Delivered essential developer tooling, observability, and release-readiness improvements for metamask-mobile, along with a set of reliability fixes that enhance user stability and onboarding. The work improves cross-platform debugging, reduces friction in release cycles, and strengthens persistence and modal UX across iOS/Android.
6 Commits • 2 Features
Aug 1, 2025Concise monthly summary for 2025-08: Delivered essential developer tooling, observability, and release-readiness improvements for metamask-mobile, along with a set of reliability fixes that enhance user stability and onboarding. The work improves cross-platform debugging, reduces friction in release cycles, and strengthens persistence and modal UX across iOS/Android.
August 2025
July 2025
5 Commits • 1 Features
Jul 1, 2025July 2025 monthly summary focusing on deep-link reliability and code quality enhancements for MetaMask Mobile. Delivered cross-platform deep-link handling improvements, stabilized iOS cold start for the new React Native architecture, universal link support for 'send' actions, and DAPP deeplinks opening in-app in the browser. Implemented CI and code quality tooling to catch issues early and ensure consistency across the codebase, reducing release risk.
July 2025
5 Commits • 1 Features
Jul 1, 2025July 2025 monthly summary focusing on deep-link reliability and code quality enhancements for MetaMask Mobile. Delivered cross-platform deep-link handling improvements, stabilized iOS cold start for the new React Native architecture, universal link support for 'send' actions, and DAPP deeplinks opening in-app in the browser. Implemented CI and code quality tooling to catch issues early and ensure consistency across the codebase, reducing release risk.
June 2025
6 Commits • 2 Features
Jun 1, 2025June 2025 monthly summary for metamask-mobile focusing on stability, UX improvements, and CI enhancements. Delivered critical bug fixes for WalletConnect QR code scanning, introduced a deep-link modal UI with analytics for different link types, ensured cross-platform consistency in modal behavior, and expanded Android build/testing workflows to enable local end-to-end validation. These efforts improved wallet connection reliability, deep-link user experience, and development/testing efficiency, supporting faster delivery of user-facing features.
6 Commits • 2 Features
Jun 1, 2025June 2025 monthly summary for metamask-mobile focusing on stability, UX improvements, and CI enhancements. Delivered critical bug fixes for WalletConnect QR code scanning, introduced a deep-link modal UI with analytics for different link types, ensured cross-platform consistency in modal behavior, and expanded Android build/testing workflows to enable local end-to-end validation. These efforts improved wallet connection reliability, deep-link user experience, and development/testing efficiency, supporting faster delivery of user-facing features.
June 2025
May 2025
2 Commits • 1 Features
May 1, 2025May 2025 monthly summary for MetaMask/metamask-mobile. This sprint focused on UI polish for update prompts and Android-specific modal reliability, delivering a clearer minimum version update flow and stabilizing currency selection on Android. These changes contribute to smoother onboarding, fewer user drop-offs due to update prompts, and more reliable in-app currency settings.
May 2025
2 Commits • 1 Features
May 1, 2025May 2025 monthly summary for MetaMask/metamask-mobile. This sprint focused on UI polish for update prompts and Android-specific modal reliability, delivering a clearer minimum version update flow and stabilizing currency selection on Android. These changes contribute to smoother onboarding, fewer user drop-offs due to update prompts, and more reliable in-app currency settings.
Activity
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Quality Metrics
Correctness95.0%
Maintainability90.6%
Architecture92.6%
Performance90.2%
AI Usage24.8%
Skills & Technologies
Programming Languages
BashGradleGroovyJSONJavaJavaScriptKotlinMarkdownObjective-CSQL
Technical Skills
AnalyticsAndroid DevelopmentAndroid developmentBug FixingBuild AutomationCI/CDCode FormattingCode QualityComponent Library UsageContinuous IntegrationData MigrationDebuggingDeep LinkingDeeplinkingDependency Management
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