Removed the unused unlimitedStorage permission. Replaced extension.getURL with runtime.getURL and messages.listTags with messages.tags.list, with the required messagesTagsList permission. Updated dependencies to their latest stable releases as of October 5, 2026, including React 19 and Material UI 9, and migrated affected APIs and build tools. Thunderbird 122 or later remains required.

What's new in 1.3.1:

- Migrated the user interface from Vue 2, Vuetify 2, and Webpack to React 18, MUI 5, and Vite.
- Updated localization to react-i18next and statistics charts to Chart.js 4 with react-chartjs-2.
- Fixed the invalid welcome-page URL after installation.
- Fixed stale state when saving settings and a Suspense issue during i18n initialization.
- Updated dependencies and security-related packages.
- Added reproducible GitHub Actions release builds, ZIP validation, and automated ATN submission.
- Bundled third-party license notices in both the add-on and reviewer source archives.
- Resubmitted as 1.3.1 to align the public ATN listing with the MIT/X11 license.

Requires Thunderbird 122.0 or later.

By performing classification before training and only training when the classification result differs from the instructed result, we prevent accuracy from deteriorating when learning multiple emails collectively.

Fixed an issue where startup slows down while using

Upgrade the internal package you are using

* Reduced memory usage at startup
* Reduced memory usage when learning multiple emails

Reduces memory and CPU consumption at startup

Modified to reflect the setting without restarting Thunderbird.

* Added notification when initial setting is not completed.

Fixed an issue where the processing of plugins became very heavy

* Added a function to automatically judge new mail and add a classification tag

Fixed a default shortcut because it was batting with a Thunderbird shortcut when used on Linux.

You can change the shortcut from the gear icon at the top right of the add-on page.