thunderbird/thunderbird-l10n
Sep 2025 – Apr 2026
7 Months active
Languages Used
DTDFluentFTLJavaScript
Technical Skills
InternationalizationLocalizationFluentinternationalizationlocalizationsoftware development
Toni Hermoso Pulido
PROFILE
Toni Hermoso Pulido
Over seven months, contributed to the thunderbird/thunderbird-l10n repository by modernizing localization workflows and enhancing UI/UX for core features. Focused on migrating legacy DTD and properties files to the Fluent localization system, enabling scalable internationalization and reducing maintenance overhead. Implemented improvements across calendar, spam preferences, search UI, filter management, and folder pane navigation, with attention to accessibility and translator context. Leveraged JavaScript and Fluent to refactor UI components, streamline translation updates, and unify localization tokens. Delivered incremental, traceable commits that improved multilingual user experience, clarified navigation, and established a robust foundation for ongoing localization and front end development.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
17Total
Bugs
0
Commits
17
Features
9
Lines of code
292
Activity Months7
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362 peopleSame Organization
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Work History
April 2026
1 Commits • 1 Features
Apr 1, 2026April 2026 monthly summary: Delivered a targeted UI/navigation enhancement in the thunderbird-l10n repository to improve folder pane usability. Implemented Folder Pane Navigation Enhancements by adding headers for different folder modes, clarifying context for users and translators. The work aligns with Bug 2030225 and was implemented in a single focused commit (30d57beeeb6c9e0fc5cd1a7ed8a98e0eb917bfbc) titled 'Bug 2030225 - Folder pane mode headers, part 1.' Business value: improved navigability, reduced onboarding time, and smoother localization workflow. Technical impact: cohesive change set with clear traceability, using existing folder pane code paths and setting the stage for subsequent refinements.
1 Commits • 1 Features
Apr 1, 2026April 2026 monthly summary: Delivered a targeted UI/navigation enhancement in the thunderbird-l10n repository to improve folder pane usability. Implemented Folder Pane Navigation Enhancements by adding headers for different folder modes, clarifying context for users and translators. The work aligns with Bug 2030225 and was implemented in a single focused commit (30d57beeeb6c9e0fc5cd1a7ed8a98e0eb917bfbc) titled 'Bug 2030225 - Folder pane mode headers, part 1.' Business value: improved navigability, reduced onboarding time, and smoother localization workflow. Technical impact: cohesive change set with clear traceability, using existing folder pane code paths and setting the stage for subsequent refinements.
April 2026
March 2026
3 Commits • 2 Features
Mar 1, 2026March 2026 monthly summary for thunderbird/thunderbird-l10n focusing on localization-driven UI improvements for filter management and attachment notifications. Key accomplishments include migrating core filter management UI to Fluent localization, updating labels/placeholders for accessibility, and adding localization support for large file attachment notifications. These changes improve user guidance, accessibility, and consistency across locales, aligning with the project’s localization strategy and reducing confusion for end users.
March 2026
3 Commits • 2 Features
Mar 1, 2026March 2026 monthly summary for thunderbird/thunderbird-l10n focusing on localization-driven UI improvements for filter management and attachment notifications. Key accomplishments include migrating core filter management UI to Fluent localization, updating labels/placeholders for accessibility, and adding localization support for large file attachment notifications. These changes improve user guidance, accessibility, and consistency across locales, aligning with the project’s localization strategy and reducing confusion for end users.
February 2026
6 Commits • 2 Features
Feb 1, 2026Month: 2026-02 Key deliverables: - Fluent-based Localization Modernization for thunderbird-l10n: consolidated localization across UI components using Fluent, improving localization coverage, accessibility, and user experience. Migration work included: Move To / Copy To menu items (Bug 2012355), folderWidgets.properties (Bug 2013259), calendar PluralForm.sys.mjs (Bug 1935334, part 3), feed-subscriptions (Bug 1935334, part 1). - User Feedback and Notification Enhancements: added context-aware UI feedback in dialogs and file operations to improve user feedback; migrations included: compose (Bug 1935334, part 1); removed usage of PluralForm.sys.mjs from filterlistdialog (part 1). Major bugs fixed: - Bug 2012355: Migrate Move To / Copy To to Fluent (part 1). - Bug 2013259: Migrate folderWidgets.properties to Fluent (part 1). - Bug 1935334: Migrate calendar PluralForm.sys.mjs (part 3). - Bug 1935334: Migrate feed-subscriptions from PluralForm.sys.mjs (part 1). - Bug 1935334: Migrate compose from PluralForm.sys.mjs (part 1). - Bug fix: Remove usage of PluralForm.sys.mjs from filterlistdialog (part 1). Overall impact and accomplishments: - Localization layer unified under Fluent across core UI, enabling faster translation cycles and more consistent UX; legacy PluralForm.sys.mjs dependencies removed to reduce maintenance burden. - Enhanced user feedback loops with clearer, context-aware notifications in key workflows (dialogs, file ops), improving user satisfaction and error recovery. - Demonstrated end-to-end migration with incremental, low-risk commits, establishing a scalable path for broader language support. Technologies/skills demonstrated: - Fluent localization framework, i18n architecture, and translation workflow modernization. - UI/resource refactoring across repositories, accessibility improvements, and UX polish. - Change-driven development with traceable commits (part-based migrations).
6 Commits • 2 Features
Feb 1, 2026Month: 2026-02 Key deliverables: - Fluent-based Localization Modernization for thunderbird-l10n: consolidated localization across UI components using Fluent, improving localization coverage, accessibility, and user experience. Migration work included: Move To / Copy To menu items (Bug 2012355), folderWidgets.properties (Bug 2013259), calendar PluralForm.sys.mjs (Bug 1935334, part 3), feed-subscriptions (Bug 1935334, part 1). - User Feedback and Notification Enhancements: added context-aware UI feedback in dialogs and file operations to improve user feedback; migrations included: compose (Bug 1935334, part 1); removed usage of PluralForm.sys.mjs from filterlistdialog (part 1). Major bugs fixed: - Bug 2012355: Migrate Move To / Copy To to Fluent (part 1). - Bug 2013259: Migrate folderWidgets.properties to Fluent (part 1). - Bug 1935334: Migrate calendar PluralForm.sys.mjs (part 3). - Bug 1935334: Migrate feed-subscriptions from PluralForm.sys.mjs (part 1). - Bug 1935334: Migrate compose from PluralForm.sys.mjs (part 1). - Bug fix: Remove usage of PluralForm.sys.mjs from filterlistdialog (part 1). Overall impact and accomplishments: - Localization layer unified under Fluent across core UI, enabling faster translation cycles and more consistent UX; legacy PluralForm.sys.mjs dependencies removed to reduce maintenance burden. - Enhanced user feedback loops with clearer, context-aware notifications in key workflows (dialogs, file ops), improving user satisfaction and error recovery. - Demonstrated end-to-end migration with incremental, low-risk commits, establishing a scalable path for broader language support. Technologies/skills demonstrated: - Fluent localization framework, i18n architecture, and translation workflow modernization. - UI/resource refactoring across repositories, accessibility improvements, and UX polish. - Change-driven development with traceable commits (part-based migrations).
February 2026
December 2025
2 Commits • 1 Features
Dec 1, 2025Month: 2025-12 | This month delivered Fluent-based internationalization for the Thunderbird search UI, migrating MozSearchValue labels and searchWidgets strings to Fluent. The work aligns with Bug 2001222 (l10n attributes) and Bug 2000811 (remaining searchWidgets migration), resulting in a more scalable localization model and improved translation management. Impact includes a more consistent user experience across locales and faster translation updates. Technologies demonstrated include Fluent localization, i18n migration patterns, l10n attribute handling, and cross-team collaboration with localization stakeholders.
December 2025
2 Commits • 1 Features
Dec 1, 2025Month: 2025-12 | This month delivered Fluent-based internationalization for the Thunderbird search UI, migrating MozSearchValue labels and searchWidgets strings to Fluent. The work aligns with Bug 2001222 (l10n attributes) and Bug 2000811 (remaining searchWidgets migration), resulting in a more scalable localization model and improved translation management. Impact includes a more consistent user experience across locales and faster translation updates. Technologies demonstrated include Fluent localization, i18n migration patterns, l10n attribute handling, and cross-team collaboration with localization stakeholders.
November 2025
2 Commits • 1 Features
Nov 1, 2025Month 2025-11: Completed Fluent-based localization migration for Thunderbird and News in the thunderbird/thunderbird-l10n repo. Implemented a two-part migration addressing core UI strings and News-related assets, establishing a unified, scalable internationalization workflow. This reduces localization maintenance effort, enables faster translation updates, and improves non-English user experience.
2 Commits • 1 Features
Nov 1, 2025Month 2025-11: Completed Fluent-based localization migration for Thunderbird and News in the thunderbird/thunderbird-l10n repo. Implemented a two-part migration addressing core UI strings and News-related assets, establishing a unified, scalable internationalization workflow. This reduces localization maintenance effort, enables faster translation updates, and improves non-English user experience.
November 2025
October 2025
2 Commits • 1 Features
Oct 1, 2025Monthly summary for 2025-10: Localization modernization in thunderbird/thunderbird-l10n focused on migrating remaining strings to Fluent across Calendar and Spam Preferences, with UI labels/tooltips updates. Completed cross-module Fluent migrations, included new labels for 'Others' and 'automatic-spam-purge-label', and aligned Spam localization with Fluent as part of a broader localization modernization effort.
October 2025
2 Commits • 1 Features
Oct 1, 2025Monthly summary for 2025-10: Localization modernization in thunderbird/thunderbird-l10n focused on migrating remaining strings to Fluent across Calendar and Spam Preferences, with UI labels/tooltips updates. Completed cross-module Fluent migrations, included new labels for 'Others' and 'automatic-spam-purge-label', and aligned Spam localization with Fluent as part of a broader localization modernization effort.
September 2025
1 Commits • 1 Features
Sep 1, 2025Monthly summary for 2025-09: Delivered targeted localization upgrade in thunderbird/thunderbird-l10n by migrating calendar task strings from DTD to Fluent and introducing Fluent-based task filters. This work aligns with localization strategy, improves multilingual display and maintenance, and supports future feature localization. Linked to Bug 1982633 via commit b45d38222ebaf3f4dded9b9c7ce5a74a7b267d5d, completed in September 2025.
1 Commits • 1 Features
Sep 1, 2025Monthly summary for 2025-09: Delivered targeted localization upgrade in thunderbird/thunderbird-l10n by migrating calendar task strings from DTD to Fluent and introducing Fluent-based task filters. This work aligns with localization strategy, improves multilingual display and maintenance, and supports future feature localization. Linked to Bug 1982633 via commit b45d38222ebaf3f4dded9b9c7ce5a74a7b267d5d, completed in September 2025.
September 2025
Activity
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Quality Metrics
Correctness100.0%
Maintainability100.0%
Architecture100.0%
Performance100.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
DTDFTLFluentJavaScript
Technical Skills
FluentInternationalizationLocalizationUI/UX DesignUI/UX designfront end developmentinternationalizationlocalizationsoftware development
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline