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Heero Video & Image Enhancer version history - 7 versions

Heero Video & Image Enhancer by [UN]Leash

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Heero Video & Image Enhancer version history - 7 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 1.9

    Released 26 Apr 2026 - 109.42 kB
    Works with firefox 109.0a1 and later, android 120.0 and later
    Changes:
    - Added alerts for websites that might not support Heero's features
    - The side panel toggle can now be dragged vertically

    Fixes:
    - Fixed compatibility issues with Netflix and other DRM protected pages
    - Fixed an issue where shortcuts would prevent typing in some pages
    - Fixed issues related to Single Page Applications

    Source code released under Mozilla Public Licence 2.0

    Download Firefox
    Download file
  • Older versions

    Version 1.8.9

    Released 25 Apr 2026 - 106.47 kB
    Works with firefox 109.0a1 and later, android 120.0 and later
    Changes:
    - Added the sharpen tool: basic and avanced methods

    Fixes:
    - Fixed issues related to the user experience in mobile
    - Fixed a shortcut conflic in the on-screen drawing tool

    Source code released under Mozilla Public Licence 2.0

    Download file
  • Version 1.8.5

    Released 22 Apr 2026 - 102.51 kB
    Works with firefox 109.0a1 and later, android 140.0 to 140.*
    Changes:
    - Added magnifier
    - Added draw-over-screen
    - Added force cinema mode
    - Added a toolbar in the side panel
    - Added volume booster
    - Added 2 more preset slots
    - Improved the project structure
    - Improved keyboard shortcuts
    - Improved the download system
    - Heero can now enhance images (via right-clicking)

    Fixes:
    - Fixed an issue where Heero would hide by default in fullscreen in YT
    - Fixed an issue where the side panel would flash during page load
    - Fixed an issue where Heero would need a refresh when browsing YT

    Known issues:
    - Some pages that constantly reload DOM might reset Heero sliders to default (possible workaround: applying effects through presets)
    - Heero might not detect segmented streams in all pages when downloading
    - Video seeking in recorded videos is not accurate
    - Side panel might duplicate in embedded videos
    - Trigger bubble might bug in thumbnails
    - Conflict with the shortcuts for over-screen drawing

    Source code released under Mozilla Public Licence 2.0

    Download file
  • Version 1.7.7

    Released 16 Apr 2026 - 75.43 kB
    Works with firefox 109.0a1 and later, android 130.0 to 130.*
    Changes:
    - Added keyboard shortcuts
    - Added a tool that forces navigation with arrows in unsupported players

    Fixes:
    - Fixed an issue where horizontal videos would be cut off when rotated
    - Fxed and issue where the side panel would hide by default in fullscreen videos

    Known issues:
    - Captions are not always automatically disabled in YouTube Shorts

    Expected for coming updates:
    - Forced cinema mode
    - Magnifier
    - Draw over videos
    ...and more.

    Source code released under Mozilla Public Licence 2.0

    Download file
  • Version 1.7.5

    Released 12 Apr 2026 - 70.37 kB
    Works with firefox 109.0a1 and later
    Changes:
    - Added a preset system for quick enhancements
    - Added translations for Portuguese (Brasil), Spanish, Russian and French
    - Removed faulty setting: auto-dubbing always off on YouTube
    - Removed faulty tool: attempt force injection

    Fixes:
    - Fixed an issue where the Heero bubble would not show up in videos
    - Fixed an issue where Heero would not work in iframes
    - Fixed the speed slider minimum value being zero
    - Fixed an issue where the button to open YouTube Shorts in YT's native player would not show up

    Source code released under Mozilla Public Licence 2.0

    Download file
  • Version 1.6

    Released 10 Apr 2026 - 60.48 kB
    Works with firefox 109.0a1 and later
    New functions:
    - Added option to start all YouTube videos with captions off;
    - Added option to start all YouTube videos with auto-dubbing off;
    - Added option to start all YouTube videos with loop on;
    - Added button to quickly clear all current adjustments;

    Changes:
    - Increased speed slider to a maximum of 8x;
    - Added indicators for all adjustments;
    - Changed extension loading behaviour for better performance;
    - Added links to rate the extension and donation pages;

    Fixes:
    - Fixed an issue where the user could not click on the page behind the side panel, even with the side panel closed;
    - Fixed an issue where the side panel would never show up in fullscreen;

    Source code released under Mozilla Public Licence 2.0

    Download file
  • Version 1.4

    Released 6 Apr 2026 - 57.39 kB
    Works with firefox 109.0a1 and later
    Reviewed loop intervals and other performance-related optimisations.

    Source code released under Mozilla Public Licence 2.0

    Download file
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