tutao/tutanota
Feb 2025 – Jun 2026
15 Months active
Languages Used
JavaJavaScriptKotlinSwiftTypeScriptCSSRustJSON
Technical Skills
Android DevelopmentComponent DevelopmentCross-platform DevelopmentCryptographyFrontend DevelopmentKey Management
mab
PROFILE
Mab
Over 15 months, contributed to the tutao/tutanota repository by building secure key verification workflows, robust Drive file management, and cross-platform UX improvements. Delivered features such as QR code-based public key verification, upload/download progress tracking, and drag-and-drop file navigation, focusing on reliability and user clarity. Applied TypeScript, Kotlin, and Swift to implement backend APIs, frontend UI, and mobile integrations, while maintaining code quality through refactoring and comprehensive error handling. Enhanced CI/CD pipelines and build automation using Gradle and Jenkins, supporting faster releases. The work emphasized security, accessibility, and maintainability, resulting in a more resilient and user-friendly application.
Overall Statistics
Feature vs Bugs
72%Features
Repository Contributions
137Total
Bugs
21
Commits
137
Features
53
Lines of code
54,009
Activity Months15
Work History
June 2026
21 Commits • 11 Features
Jun 1, 2026June 2026 monthly summary for tutao/tutanota: Across iOS, Android, and CI/CD, delivered UX polish, stability improvements, and automation enhancements that reinforce business value and developer velocity. Key deliverables include icon/assets refresh for iOS Drive and dark-mode icons for Mail/Calendar; new keyboard rename shortcut in Drive; dependencies and build optimizations (Electron v42.3.3, Android Gradle memory bump to 6144 MB, Android Drive version 350.260608.0); CI/CD improvements (Jenkinsfile fixes, adhoc extension handling, Fastlane update, Drive shared extension groups, and release version bumps). Major bug fixes to restore Plan access via MailAddressFacade, fix iOS file opening, address in-memory upload cleanup, ensure uploading works on iOS 17, and stabilization of temporary file writes. Impact: shorter/ more reliable release cycles, improved end-user experience, and stronger cross‑platform consistency. Technologies demonstrated: cross-platform mobile development (iOS/Android), Electron/Gradle tuning, CI/CD automation (Jenkins, Fastlane), URL parsing resilience, and robust file handling.
21 Commits • 11 Features
Jun 1, 2026June 2026 monthly summary for tutao/tutanota: Across iOS, Android, and CI/CD, delivered UX polish, stability improvements, and automation enhancements that reinforce business value and developer velocity. Key deliverables include icon/assets refresh for iOS Drive and dark-mode icons for Mail/Calendar; new keyboard rename shortcut in Drive; dependencies and build optimizations (Electron v42.3.3, Android Gradle memory bump to 6144 MB, Android Drive version 350.260608.0); CI/CD improvements (Jenkinsfile fixes, adhoc extension handling, Fastlane update, Drive shared extension groups, and release version bumps). Major bug fixes to restore Plan access via MailAddressFacade, fix iOS file opening, address in-memory upload cleanup, ensure uploading works on iOS 17, and stabilization of temporary file writes. Impact: shorter/ more reliable release cycles, improved end-user experience, and stronger cross‑platform consistency. Technologies demonstrated: cross-platform mobile development (iOS/Android), Electron/Gradle tuning, CI/CD automation (Jenkins, Fastlane), URL parsing resilience, and robust file handling.
June 2026
May 2026
18 Commits • 4 Features
May 1, 2026May 2026 monthly summary for repository tutao/tutanota. Focused on delivering user-centric Drive app enhancements, visibility improvements, and robust CI/CD improvements, complemented by internal refactors for stability. Key bug fixes included a 2GB-file guard and faster login data display. Business impact: improved user experience across web/mobile, faster release cycles, and increased reliability.
May 2026
18 Commits • 4 Features
May 1, 2026May 2026 monthly summary for repository tutao/tutanota. Focused on delivering user-centric Drive app enhancements, visibility improvements, and robust CI/CD improvements, complemented by internal refactors for stability. Key bug fixes included a 2GB-file guard and faster login data display. Business impact: improved user experience across web/mobile, faster release cycles, and increased reliability.
April 2026
9 Commits • 4 Features
Apr 1, 2026April 2026 monthly update for tutao/tutanota: Delivered UI and UX refinements, cross-platform storage optimizations, and platform-specific enhancements; fixed critical download and build issues to improve reliability and performance. Key outcomes enable quicker user workflows, reduced storage footprint, and more stable builds across Android, iOS, and desktop.
9 Commits • 4 Features
Apr 1, 2026April 2026 monthly update for tutao/tutanota: Delivered UI and UX refinements, cross-platform storage optimizations, and platform-specific enhancements; fixed critical download and build issues to improve reliability and performance. Key outcomes enable quicker user workflows, reduced storage footprint, and more stable builds across Android, iOS, and desktop.
April 2026
March 2026
26 Commits • 7 Features
Mar 1, 2026March 2026 (2026-03) Drive UX and stability sprint for tutao/tutanota. Delivered drag-and-drop enhancements (expanded parent folder dropdown) and fixed breadcrumb drop-target rendering; redesigned breadcrumb separator and updated New button/transfer progress UI; overhauled mime type processing, icons and theming with tests; implemented key stability fixes across move/rename/dropdown flows; added iOS download cancellation support and move dialog height limit for better cross-platform usability. These changes reduce user friction, improve consistency with the design system, and increase reliability for large transfers and content management.
March 2026
26 Commits • 7 Features
Mar 1, 2026March 2026 (2026-03) Drive UX and stability sprint for tutao/tutanota. Delivered drag-and-drop enhancements (expanded parent folder dropdown) and fixed breadcrumb drop-target rendering; redesigned breadcrumb separator and updated New button/transfer progress UI; overhauled mime type processing, icons and theming with tests; implemented key stability fixes across move/rename/dropdown flows; added iOS download cancellation support and move dialog height limit for better cross-platform usability. These changes reduce user friction, improve consistency with the design system, and increase reliability for large transfers and content management.
February 2026
5 Commits • 4 Features
Feb 1, 2026February 2026 (tutao/tutanota) — Delivered security, reliability, and UX improvements, including Drive data transfer enhancements, expanded transfer queue visibility, and folder operation safeguards, along with version/dependency updates. No high-severity bugs reported this month. Impact: improved data integrity and security for Drive operations, enhanced user feedback during uploads, safer folder moves, and maintained maintainability through up-to-date dependencies. Technologies demonstrated: key management, UI state management, input validation for file operations, and project maintenance through versioning.
5 Commits • 4 Features
Feb 1, 2026February 2026 (tutao/tutanota) — Delivered security, reliability, and UX improvements, including Drive data transfer enhancements, expanded transfer queue visibility, and folder operation safeguards, along with version/dependency updates. No high-severity bugs reported this month. Impact: improved data integrity and security for Drive operations, enhanced user feedback during uploads, safer folder moves, and maintained maintainability through up-to-date dependencies. Technologies demonstrated: key management, UI state management, input validation for file operations, and project maintenance through versioning.
February 2026
January 2026
14 Commits • 6 Features
Jan 1, 2026January 2026 (2026-01) monthly summary for tutao/tutanota: Delivered cross-platform download progress UI, enhanced Drive features, and targeted UI polish to improve user experience on mobile. Fixed a navigation bug in ListModel and completed key engineering refactors to improve maintainability. Localized German placeholders and bumped dependencies to keep the codebase current. Overall, these changes deliver measurable business value by reducing user wait times, improving accessibility, and ensuring a more robust mobile experience.
January 2026
14 Commits • 6 Features
Jan 1, 2026January 2026 (2026-01) monthly summary for tutao/tutanota: Delivered cross-platform download progress UI, enhanced Drive features, and targeted UI polish to improve user experience on mobile. Fixed a navigation bug in ListModel and completed key engineering refactors to improve maintainability. Localized German placeholders and bumped dependencies to keep the codebase current. Overall, these changes deliver measurable business value by reducing user wait times, improving accessibility, and ensuring a more robust mobile experience.
December 2025
3 Commits • 2 Features
Dec 1, 2025December 2025 – tutao/tutanota: Delivered core UX and functionality improvements for file transfers and Drive navigation, reinforcing reliability, speed, and user efficiency. Key features introduced include Upload and Download Progress Tracking via an UploadProgressController with updated interfaces to surface real-time progress during uploads and downloads. Drive UX Enhancements delivered QuickActions for navigation, folder creation, and file uploads, along with breadcrumb-based drag-and-drop interactions to streamline drive navigation and file management. These changes reduce user friction for large transfers, shorten task completion times, and improve overall satisfaction while lowering support queries. Tech depth includes progress-tracking architecture, frontend UI updates, and drag-and-drop/breadcrumb navigation patterns, demonstrated across commits by multiple contributors.
3 Commits • 2 Features
Dec 1, 2025December 2025 – tutao/tutanota: Delivered core UX and functionality improvements for file transfers and Drive navigation, reinforcing reliability, speed, and user efficiency. Key features introduced include Upload and Download Progress Tracking via an UploadProgressController with updated interfaces to surface real-time progress during uploads and downloads. Drive UX Enhancements delivered QuickActions for navigation, folder creation, and file uploads, along with breadcrumb-based drag-and-drop interactions to streamline drive navigation and file management. These changes reduce user friction for large transfers, shorten task completion times, and improve overall satisfaction while lowering support queries. Tech depth includes progress-tracking architecture, frontend UI updates, and drag-and-drop/breadcrumb navigation patterns, demonstrated across commits by multiple contributors.
December 2025
November 2025
2 Commits • 2 Features
Nov 1, 2025In Nov 2025, delivered two key build-system improvements for tutao/tutanota: enhanced multi-project version bump logging with the path of the modified Gradle script to improve traceability; and migrated Android mail app Gradle scripts from Groovy to Kotlin DSL (.kts) to improve readability and alignment with modern Android practices. These changes reduce log confusion during releases, improve maintainability, and lay groundwork for future automation. There are no explicit major bugs fixed in the provided data; the focus was on reliability and clarity in the build process. Technologies demonstrated include Kotlin DSL, Gradle, and Android multi-module builds.
November 2025
2 Commits • 2 Features
Nov 1, 2025In Nov 2025, delivered two key build-system improvements for tutao/tutanota: enhanced multi-project version bump logging with the path of the modified Gradle script to improve traceability; and migrated Android mail app Gradle scripts from Groovy to Kotlin DSL (.kts) to improve readability and alignment with modern Android practices. These changes reduce log confusion during releases, improve maintainability, and lay groundwork for future automation. There are no explicit major bugs fixed in the provided data; the focus was on reliability and clarity in the build process. Technologies demonstrated include Kotlin DSL, Gradle, and Android multi-module builds.
September 2025
1 Commits • 1 Features
Sep 1, 2025In September 2025, delivered Drive Web File Management for tutao/tutanota, introducing a web-based Drive feature that enables upload, delete, and folder creation to boost user productivity and data organization. This end-to-end feature was implemented in a single co-authored commit (ff0f358799e658d0d7a40150b4b18ae7260b9101) by hec and ivk. No major bugs fixed this month. Impact: strengthens the core web experience, reduces manual file-management friction, and supports scalable data organization. Technologies/skills demonstrated: web Drive architecture, collaborative development, Git-based version control, and feature delivery lifecycle.
1 Commits • 1 Features
Sep 1, 2025In September 2025, delivered Drive Web File Management for tutao/tutanota, introducing a web-based Drive feature that enables upload, delete, and folder creation to boost user productivity and data organization. This end-to-end feature was implemented in a single co-authored commit (ff0f358799e658d0d7a40150b4b18ae7260b9101) by hec and ivk. No major bugs fixed this month. Impact: strengthens the core web experience, reduces manual file-management friction, and supports scalable data organization. Technologies/skills demonstrated: web Drive architecture, collaborative development, Git-based version control, and feature delivery lifecycle.
September 2025
August 2025
11 Commits • 2 Features
Aug 1, 2025Concise summary for 2025-08: In August 2025, shipped security- and UI-focused enhancements for tutao/tutanota, refreshed icons and visuals, and stabilized offline data migration. The work enhances key verification UX to prevent forgery, fixes HTML rendering and layout regressions, and aligns offline storage versioning with clearer logs. A TutanotaModel version bump (v92) was performed to support updated entity facade data and tests, delivering a stronger foundation for reliability and future features. Business value: improved security, more consistent user experience, and smoother offline upgrades.
August 2025
11 Commits • 2 Features
Aug 1, 2025Concise summary for 2025-08: In August 2025, shipped security- and UI-focused enhancements for tutao/tutanota, refreshed icons and visuals, and stabilized offline data migration. The work enhances key verification UX to prevent forgery, fixes HTML rendering and layout regressions, and aligns offline storage versioning with clearer logs. A TutanotaModel version bump (v92) was performed to support updated entity facade data and tests, delivering a stronger foundation for reliability and future features. Business value: improved security, more consistent user experience, and smoother offline upgrades.
July 2025
11 Commits • 2 Features
Jul 1, 2025July 2025 performance summary for tutao/tutanota focusing on delivering robust, user-centric key verification improvements, security hardening for identity trust databases, and UX/design polish across the repo. The work emphasizes business value: reduced trust frictions, higher reliability of verification flows, and improved security posture with clearer user feedback and localization.
11 Commits • 2 Features
Jul 1, 2025July 2025 performance summary for tutao/tutanota focusing on delivering robust, user-centric key verification improvements, security hardening for identity trust databases, and UX/design polish across the repo. The work emphasizes business value: reduced trust frictions, higher reliability of verification flows, and improved security posture with clearer user feedback and localization.
July 2025
May 2025
3 Commits • 2 Features
May 1, 2025May 2025 monthly summary for tutao/tutanota: Focused on strengthening key management and simplifying recipient resolution to deliver measurable security and developer efficiency improvements.
May 2025
3 Commits • 2 Features
May 1, 2025May 2025 monthly summary for tutao/tutanota: Focused on strengthening key management and simplifying recipient resolution to deliver measurable security and developer efficiency improvements.
April 2025
1 Commits
Apr 1, 2025April 2025 monthly summary focusing on calendar sharing resilience in the tutao/tutanota project. Implemented targeted error handling for KeyVerificationMismatchError in the Calendar Sharing flow, updating the error key to deliver a more specific, user-friendly message and catching/re-throwing to provide clearer feedback when recipient key verification fails. The change improves reliability and reduces user confusion in calendar sharing scenarios.
1 Commits
Apr 1, 2025April 2025 monthly summary focusing on calendar sharing resilience in the tutao/tutanota project. Implemented targeted error handling for KeyVerificationMismatchError in the Calendar Sharing flow, updating the error key to deliver a more specific, user-friendly message and catching/re-throwing to provide clearer feedback when recipient key verification fails. The change improves reliability and reduces user confusion in calendar sharing scenarios.
April 2025
March 2025
10 Commits • 5 Features
Mar 1, 2025March 2025: Implemented a comprehensive Key Verification workflow, enhanced QR code scanning, UI polish, localization, and calendar integration in tutao/tutanota. The changes focus on reliability, performance, and business value through instrumentation, feature flags, and cross-app consistency across user flows.
March 2025
10 Commits • 5 Features
Mar 1, 2025March 2025: Implemented a comprehensive Key Verification workflow, enhanced QR code scanning, UI polish, localization, and calendar integration in tutao/tutanota. The changes focus on reliability, performance, and business value through instrumentation, feature flags, and cross-app consistency across user flows.
February 2025
2 Commits • 1 Features
Feb 1, 2025Month: 2025-02 — Tutao/Tutanota: Key Verification feature delivered across mobile, UI improvements, and key-management enhancements. No major bugs fixed were reported in this dataset.
2 Commits • 1 Features
Feb 1, 2025Month: 2025-02 — Tutao/Tutanota: Key Verification feature delivered across mobile, UI improvements, and key-management enhancements. No major bugs fixed were reported in this dataset.
February 2025
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Quality Metrics
Correctness93.2%
Maintainability89.2%
Architecture88.6%
Performance88.0%
AI Usage23.2%
Skills & Technologies
Programming Languages
CSSGroovyJSONJavaJavaScriptKotlinObjective-CRubyRustSVG
Technical Skills
API DesignAPI DevelopmentAPI IntegrationAPI developmentAPI integrationAndroidAndroid DevelopmentAndroid developmentAsynchronous ProgrammingBackend DevelopmentBuild AutomationBuild ConfigurationBuild OptimizationCI/CDClient Detection
Repositories Contributed To
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