thunderbird/thunderbird-l10n
Nov 2025 – Apr 2026
6 Months active
Languages Used
FTLJavaScriptHTML
Technical Skills
front end developmentinternationalizationlocalizationsoftware developmentFluentJavaScript
Juraj Cigáň
PROFILE
Juraj Cigáň
Over six months, Kusavica led localization and internationalization upgrades for the thunderbird/thunderbird-l10n repository, focusing on migrating key UI components to the Fluent localization system. Using JavaScript, HTML, and FTL, Kusavica centralized and streamlined translation workflows by consolidating account setup strings, migrating menus and dialogs, and enabling dynamic pluralization and labeling across the Thunderbird UI. The work included refactoring legacy DTD and properties files, improving accessibility, and reducing localization maintenance. Kusavica’s approach established a scalable foundation for multilingual support, enhanced user onboarding, and aligned the UI with modern Fluent Design principles, demonstrating depth in front end and localization engineering.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
14Total
Bugs
0
Commits
14
Features
7
Lines of code
277
Activity Months6
Your Network
350 peopleShared Repositories
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Work History
April 2026
1 Commits • 1 Features
Apr 1, 2026April 2026 monthly summary: Key focus on FTUE localization consolidation in thunderbird-l10n. Centralized account setup strings in the Account Hub to standardize translation workflow, reduce duplication, and improve user onboarding experience for multilingual users. The work aligns with broader localization strategy and sets up a scalable path for future migrations.
1 Commits • 1 Features
Apr 1, 2026April 2026 monthly summary: Key focus on FTUE localization consolidation in thunderbird-l10n. Centralized account setup strings in the Account Hub to standardize translation workflow, reduce duplication, and improve user onboarding experience for multilingual users. The work aligns with broader localization strategy and sets up a scalable path for future migrations.
April 2026
March 2026
2 Commits • 1 Features
Mar 1, 2026March 2026: Implemented Fluent design migration for Filter Management UI across FilterListDialog, FilterEditor, and Search Widgets. Delivered new actions (copy/edit/delete/reorder), spam status setting, improved accessibility, and clearer action descriptions. This aligns the UI with Thunderbird Fluent design and localization workflows and reduces future refactor effort. Bug 2012697 item relates to migration work; no separate bug fixes.
March 2026
2 Commits • 1 Features
Mar 1, 2026March 2026: Implemented Fluent design migration for Filter Management UI across FilterListDialog, FilterEditor, and Search Widgets. Delivered new actions (copy/edit/delete/reorder), spam status setting, improved accessibility, and clearer action descriptions. This aligns the UI with Thunderbird Fluent design and localization workflows and reduces future refactor effort. Bug 2012697 item relates to migration work; no separate bug fixes.
February 2026
6 Commits • 2 Features
Feb 1, 2026February 2026 focused on UI consistency and localization improvements for Thunderbird (thunderbird-l10n). Key outcomes include Fluent UI migration for Move To and Copy To menus; comprehensive localization and dynamic labeling across cookies removal, feed import, filter editor, attachments removal, filter list pluralization, and remote content origins; and migration away from PluralForm.sys.mjs in major UI modules (cookies, FilterEditor, compose, msgHdrView, filter dialog). These changes enhance accessibility, reduce localization maintenance, and establish a scalable foundation for multilingual UX.
6 Commits • 2 Features
Feb 1, 2026February 2026 focused on UI consistency and localization improvements for Thunderbird (thunderbird-l10n). Key outcomes include Fluent UI migration for Move To and Copy To menus; comprehensive localization and dynamic labeling across cookies removal, feed import, filter editor, attachments removal, filter list pluralization, and remote content origins; and migration away from PluralForm.sys.mjs in major UI modules (cookies, FilterEditor, compose, msgHdrView, filter dialog). These changes enhance accessibility, reduce localization maintenance, and establish a scalable foundation for multilingual UX.
February 2026
January 2026
1 Commits • 1 Features
Jan 1, 2026January 2026 (thunderbird/thunderbird-l10n): Localized account creation flow initiated by introducing a dedicated strings file and starting the migration of accountCreationModel to Fluent. This enables localization of account creation messages and error texts and sets the foundation for broader i18n adoption across the repo. Part 1 of Bug 2008521 completed with commit 9b7e10a5a250329f23b52c99d848d44157790d3f.
January 2026
1 Commits • 1 Features
Jan 1, 2026January 2026 (thunderbird/thunderbird-l10n): Localized account creation flow initiated by introducing a dedicated strings file and starting the migration of accountCreationModel to Fluent. This enables localization of account creation messages and error texts and sets the foundation for broader i18n adoption across the repo. Part 1 of Bug 2008521 completed with commit 9b7e10a5a250329f23b52c99d848d44157790d3f.
December 2025
2 Commits • 1 Features
Dec 1, 2025December 2025: Delivered Fluent-based localization migration in thunderbird/thunderbird-l10n, migrating the Search dialog and Address Book UI to Fluent to enhance internationalization. Implemented localization attributes for search value labels and adopted Fluent translation files to enable broader language support and streamlined translation workflows. Fixed two critical localization bugs as part of the migration: Bug 2001222 - Correctly set l10n attributes for MozSearchValue labels during Fluent migration (part 1); Bug 2000811 - Migrate SearchDialog.dtd and search.properties to Fluent (part 2). The changes reduce localization maintenance costs and establish a scalable i18n foundation for future Thunderbird UI updates.
2 Commits • 1 Features
Dec 1, 2025December 2025: Delivered Fluent-based localization migration in thunderbird/thunderbird-l10n, migrating the Search dialog and Address Book UI to Fluent to enhance internationalization. Implemented localization attributes for search value labels and adopted Fluent translation files to enable broader language support and streamlined translation workflows. Fixed two critical localization bugs as part of the migration: Bug 2001222 - Correctly set l10n attributes for MozSearchValue labels during Fluent migration (part 1); Bug 2000811 - Migrate SearchDialog.dtd and search.properties to Fluent (part 2). The changes reduce localization maintenance costs and establish a scalable i18n foundation for future Thunderbird UI updates.
December 2025
November 2025
2 Commits • 1 Features
Nov 1, 2025November 2025 (2025-11) - Localization and Internationalization Upgrades for Thunderbird L10n. Delivered key UI localization enhancements and Fluent-based migrations to streamline translations, reduce localization fragility, and improve user experience across locales.
November 2025
2 Commits • 1 Features
Nov 1, 2025November 2025 (2025-11) - Localization and Internationalization Upgrades for Thunderbird L10n. Delivered key UI localization enhancements and Fluent-based migrations to streamline translations, reduce localization fragility, and improve user experience across locales.
Activity
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Quality Metrics
Correctness100.0%
Maintainability100.0%
Architecture100.0%
Performance100.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
FTLHTMLJavaScript
Technical Skills
FluentFluent DesignJavaScriptLocalizationUI/UX DesignUI/UX designfront end developmentinternationalizationlocalizationsoftware developmentuser interface design
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