thunderbird/thunderbird-l10n
Oct 2025 – Jun 2026
5 Months active
Languages Used
ftlFTLJavaScript
Technical Skills
LocalizationUI/UX designfront end developmentinternationalizationlocalizationuser interface design
Martijn Dekker
PROFILE
Martijn Dekker
Over five months, contributed to the thunderbird/thunderbird-l10n repository by migrating key Thunderbird UI components and localization strings to the Fluent framework, focusing on internationalization and maintainability. Worked extensively with JavaScript and FTL to standardize terminology, enhance accessibility, and improve user experience across features such as spam terminology, filter-related UI, archive options, and MailNews properties. Led the transition away from legacy XUL-based interfaces, updated folder and message retention strings, and introduced new notification systems. Addressed migration bugs and ensured consistency across locales, demonstrating a methodical approach to scalable localization, UI/UX design, and cross-component refactoring for future development.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
12Total
Bugs
0
Commits
12
Features
6
Lines of code
218
Activity Months5
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360 peopleShared Repositories
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Work History
June 2026
3 Commits • 1 Features
Jun 1, 2026June 2026: Completed localization migration to Fluent for the Thunderbird MailNews UI and properties in thunderbird-l10n. Delivered cross-component Fluent adoption, migrating tags management UI, virtualFolder properties, and folder strings. Fixed three migration bugs (Bug 2043522, 2044980, 2045295) across related commits, improving localization consistency, UX, and maintainability. Demonstrated Fluent localization, i18n tooling, and cross-component refactoring to support scalable translations and faster iteration.
3 Commits • 1 Features
Jun 1, 2026June 2026: Completed localization migration to Fluent for the Thunderbird MailNews UI and properties in thunderbird-l10n. Delivered cross-component Fluent adoption, migrating tags management UI, virtualFolder properties, and folder strings. Fixed three migration bugs (Bug 2043522, 2044980, 2045295) across related commits, improving localization consistency, UX, and maintainability. Demonstrated Fluent localization, i18n tooling, and cross-component refactoring to support scalable translations and faster iteration.
June 2026
April 2026
2 Commits • 1 Features
Apr 1, 2026April 2026: Localization improvements for Thunderbird L10n in thunderbird/thunderbird-l10n focused on Archive UI and message retention. Removed XUL tree usage, updated archive/inbox folder name strings, and migrated message retention strings to Fluent to improve internationalization and maintainability. These changes set groundwork for scalable translations and faster locale updates.
April 2026
2 Commits • 1 Features
Apr 1, 2026April 2026: Localization improvements for Thunderbird L10n in thunderbird/thunderbird-l10n focused on Archive UI and message retention. Removed XUL tree usage, updated archive/inbox folder name strings, and migrated message retention strings to Fluent to improve internationalization and maintainability. These changes set groundwork for scalable translations and faster locale updates.
March 2026
3 Commits • 2 Features
Mar 1, 2026March 2026 (2026-03) — Delivered Fluent-based localization migration for Filter-related UI components and introduced a Large File Attachment Notification System in Messaging. These initiatives enhance localization accuracy and accessibility, improve user awareness for large files, and advance the repository’s localization readiness and overall user experience.
3 Commits • 2 Features
Mar 1, 2026March 2026 (2026-03) — Delivered Fluent-based localization migration for Filter-related UI components and introduced a Large File Attachment Notification System in Messaging. These initiatives enhance localization accuracy and accessibility, improve user awareness for large files, and advance the repository’s localization readiness and overall user experience.
March 2026
February 2026
3 Commits • 1 Features
Feb 1, 2026February 2026: Completed Fluent localization migration for Thunderbird L10n: migrated key UI components to Fluent, including Move To / Copy To menu items, Custom Headers dialog, and compose localization, plus added new localization strings for attachment reminders and notifications. This work enhances localization coverage, accessibility, and user experience while aligning with Fluent adoption and reducing maintenance overhead across UI strings.
February 2026
3 Commits • 1 Features
Feb 1, 2026February 2026: Completed Fluent localization migration for Thunderbird L10n: migrated key UI components to Fluent, including Move To / Copy To menu items, Custom Headers dialog, and compose localization, plus added new localization strings for attachment reminders and notifications. This work enhances localization coverage, accessibility, and user experience while aligning with Fluent adoption and reducing maintenance overhead across UI strings.
October 2025
1 Commits • 1 Features
Oct 1, 2025October 2025: Completed standardization of spam terminology in Thunderbird messenger client within thunderbird-l10n. Migrated localization strings from 'Junk' to 'Spam', introduced new Fluent strings for spam-related actions and preferences, and updated existing ones to ensure consistency. Work linked to Bug 1823084 (part 2) with commit 600f786ea157455119765e1692191c837e6f967d. This delivers clearer user messaging, reduces localization drift, and strengthens the Fluent-based localization foundation for future work.
1 Commits • 1 Features
Oct 1, 2025October 2025: Completed standardization of spam terminology in Thunderbird messenger client within thunderbird-l10n. Migrated localization strings from 'Junk' to 'Spam', introduced new Fluent strings for spam-related actions and preferences, and updated existing ones to ensure consistency. Work linked to Bug 1823084 (part 2) with commit 600f786ea157455119765e1692191c837e6f967d. This delivers clearer user messaging, reduces localization drift, and strengthens the Fluent-based localization foundation for future work.
October 2025
Activity
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Quality Metrics
Correctness100.0%
Maintainability100.0%
Architecture100.0%
Performance100.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
FTLJavaScriptftl
Technical Skills
Fluent frameworkLocalizationUI/UX designfront end developmentinternationalizationlocalizationsoftware developmentuser interface design
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