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Power Thesaurus version history - 9 versions

Power Thesaurus by Power Thesaurus

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Power Thesaurus version history - 9 versions

  • Be careful with old versions! These versions are displayed for testing and reference purposes.You should always use the latest version of an add-on.

  • Latest version

    Version 4.6.0

    Released 7 Sep 2026 - 4.34 MB
    Works with firefox 121.0 and later
    1. Now you can quickly correct a selected word or phrase using the corrections we suggest, or hear how it’s pronounced.
    2. The old large tooltip on long press has been replaced with a blue hoverable dot. Hover over it to reveal a compact tooltip with Search, Define, and Pronounce actions.
    3. We’ve also fixed several minor bugs.

    Source code released under Mozilla Public Licence 2.0

    Download Firefox and get the extension
    Download file

  • Older versions

    Version 4.5.7

    Released 7 Aug 2026 - 4.33 MB
    Works with firefox 121.0 and later
    Minor bug fixes

    Source code released under Mozilla Public Licence 2.0

    Download file

  • Version 4.5.6

    Released 21 Jul 2026 - 4.3 MB
    Works with firefox 121.0 and later
    Updated tab icon on the "options" page

    Source code released under Mozilla Public Licence 2.0

    Download file

  • Version 4.5.5

    Released 15 Jul 2026 - 4.3 MB
    Works with firefox 121.0 and later
    1. Error messages have been made clearer;
    2. Added a "Retry" button for errors;
    3. Minor fixes.

    Source code released under Mozilla Public Licence 2.0

    Download file

  • Version 4.5.4

    Released 17 Jun 2026 - 4.27 MB
    Works with firefox 121.0 and later
    1. Extended compatibility to support usage within "iframe";
    2. Simplified web query for term search;
    3. Minor bugfixes and improvements.

    Source code released under Mozilla Public Licence 2.0

    Download file

  • Version 4.5.1

    Released 10 Apr 2026 - 4.22 MB
    Works with firefox 121.0 and later
    • Added possibility to select popup placement;
    • Minor bug fixes and impovements.

    Source code released under Mozilla Public Licence 2.0

    Download file

  • Version 4.4.2

    Released 20 Mar 2026 - 4.22 MB
    Works with firefox 121.0 and later
    Minor bugfixes

    Source code released under Mozilla Public Licence 2.0

    Download file

  • Version 4.4.0

    Released 27 Feb 2026 - 4.44 MB
    Works with firefox 121.0 and later
    • The extension started working on all available pages after installation
    • More understandable network errors
    • Improved validation of selected text
    • Minor design changes
    • Some other minor bugs fixed

    Source code released under Mozilla Public Licence 2.0

    Download file

  • Version 4.3.1

    Released 23 Sep 2025 - 4.43 MB
    Works with firefox 121.0 and later
    What’s new in this release
    • First-run consent: a clear setup page shows what data can be shared.
    • Settings page: streamlined layout, tooltips for each option.
    • Privacy & Data settings: change your choices anytime in Settings → Privacy & data.
    • Accessibility: clearer labels, keyboard focus improvements, updated copy.
    • Stability and performance: startup flow and background processes tuned for reliability.

    Source code released under Mozilla Public Licence 2.0

    Download file