Heero Video & Image Enhancer version history - 7 versions
Heero Video & Image Enhancer by [UN]Leash
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 kBWorks with firefox 109.0a1 and later, android 120.0 and laterChanges:
- 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 ApplicationsSource code released under Mozilla Public Licence 2.0
Older versions
Version 1.8.9
Released 25 Apr 2026 - 106.47 kBWorks with firefox 109.0a1 and later, android 120.0 and laterChanges:
- 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 toolSource code released under Mozilla Public Licence 2.0
Version 1.8.5
Released 22 Apr 2026 - 102.51 kBWorks 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 drawingSource code released under Mozilla Public Licence 2.0
Version 1.7.7
Released 16 Apr 2026 - 75.43 kBWorks 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
Version 1.7.5
Released 12 Apr 2026 - 70.37 kBWorks with firefox 109.0a1 and laterChanges:
- 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 upSource code released under Mozilla Public Licence 2.0
Version 1.6
Released 10 Apr 2026 - 60.48 kBWorks with firefox 109.0a1 and laterNew 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
Version 1.4
Released 6 Apr 2026 - 57.39 kBWorks with firefox 109.0a1 and laterReviewed loop intervals and other performance-related optimisations.Source code released under Mozilla Public Licence 2.0