YouTube SpeedUp version history - 16 versions
YouTube SpeedUp by GoliafRS
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 1.1.6
Released Sep 10, 2025 - 22.48 KBWorks with firefox 115.0 and laterMinor bug fixes.Source code released under Mozilla Public License 2.0
Download Firefox and get the extensionYou'll need Firefox to use this extensionOlder versions
Version 1.1.5
Released Sep 10, 2025 - 23.21 KBWorks with firefox 115.0 and laterRelease Notes v1.1.4
Type: Patch
Fixes:
- Minor bug fixes.Source code released under Mozilla Public License 2.0
Version 1.1.4
Released Sep 10, 2025 - 23.59 KBWorks with firefox 115.0 and laterRelease Notes v1.1.4
Type: Patch
Stability:
- Playback speed no longer resets on fullscreen, SPA navigation, PiP, dynamic video replacement, BFCache return.
- Multi-phase reapply scheduler (0–2000ms) plus extra media events (loadeddata, canplay, play, playing, emptied) ensure persistence.
- Continuous MutationObserver now tracks added/removed/recycled <video> elements.
- Cross-tab/state sync via storage + pageshow; external rate changes captured and stored immediately.
No new features, permissions, or data collection.Source code released under Mozilla Public License 2.0
Version 1.1.3
Released Sep 9, 2025 - 22.15 KBWorks with firefox 115.0 and laterRelease Notes v1.1.2
Type: Patch
Fixes:
- Playback speed persistence: reliably restored from localStorage after reloads and YouTube SPA navigations (extra reapply + storage reload logic).
- Version sync pipeline: semantic-release prepare step now updates both manifest.json and package.json (no version drift).
Internal:
- Added diagnostic logging (not user-visible).
No permission, security, or feature changes.Source code released under Mozilla Public License 2.0
Version 1.1.2
Released Sep 9, 2025 - 20.5 KBWorks with firefox 115.0 and laterSummary
Patch release focused on reliability and release pipeline consistency.
Changes
- Fixed: Playback speed now reliably restores from saved localStorage value after browser restart / initial load (additional apply points: loadedmetadata + short delayed re-apply).
- Fixed: CI semantic-release pipeline now correctly synchronizes version into both package.json and manifest.json via prepare-release.js (removed stale scripts).
No other code paths, features, permissions, or data behaviors changed.Source code released under Mozilla Public License 2.0
Version 1.1.0
Released Sep 8, 2025 - 20.33 KBWorks with firefox 115.0 and laterRelease Notes – v1.1.0
New
- Keyboard control: Arrow Up/Right = faster, Arrow Down/Left = slower, Enter/Space = reset (1.00). Wheel still adjusts speed.
- Persistent speed across sessions.
- Works across in-page (SPA) YouTube navigation's and multiple videos.
Improved
- Bidirectional sync: changes made via YouTube’s native menu update the button instantly.
- Accessibility: ARIA label + clearer hover speed readout.
- Performance: single MutationObserver + WeakSet prevents duplicate listeners.
- Namespacing: unique hashed CSS classes to avoid style collisions.
- Migrated to Manifest V3; modern Firefox 115+ JS target.
Fixed
- Removed redundant event hooks and unnecessary resync loops.Source code released under Mozilla Public License 2.0
Version 1.0.10
Released Jan 30, 2025 - 12.47 KBWorks with firefox 58.0 and later🔥 New Features & Improvements:
Enhanced Video Speed Persistence
Video playback speed is now correctly applied when switching between videos without reloading the page.
Added support for YouTube’s yt-navigate-finish event to detect video changes dynamically.
Implemented a MutationObserver to detect and apply speed settings when the video element appears.
Improved UI Button Behavior
Fixed an issue where the speed control button was not always inserted properly.
Ensured the button is only added once and does not get duplicated.
Improved text visibility and responsiveness when hovering over the button.
Smoother Speed Adjustment
The speed adjustment text now updates in real-time when scrolling.
Speed changes are instantly reflected without requiring additional user interaction.
🐛 Bug Fixes:
Fixed Speed Reset Issue
Speed is now correctly restored from localStorage when loading a video.
Fixed Speed Application on Page Load
Speed is now applied immediately when a video is detected.
Fixed Interaction Requirement
The speed setting is now applied automatically without requiring user interaction with the extension button.
⚙️ Technical Improvements:
Refactored Code for Better Structure
Improved function organization and readability.
Encapsulated video speed logic into reusable functions.
🚀 This update ensures a seamless experience when watching videos on YouTube with custom playback speeds!Source code released under Mozilla Public License 2.0
Version 1.0.9
Released Aug 2, 2024 - 12.62 KBWorks with firefox 58.0 and laterAdded more listeners to resume speed after switching to next videos.Source code released under Mozilla Public License 2.0
Version 1.0.8
Released Mar 25, 2024 - 12.4 KBWorks with firefox 48.0 and laterChange the speed when the video starts playing.Source code released under Mozilla Public License 2.0
Version 1.0.7
Released Mar 25, 2024 - 12.34 KBWorks with firefox 48.0 and laterСhange the speed once after adding the button.Source code released under Mozilla Public License 2.0
Version 1.0.6
Released Mar 25, 2024 - 12.34 KBWorks with firefox 48.0 and laterChange step and min step to 0.25.Source code released under Mozilla Public License 2.0
Version 1.0.5
Released Nov 28, 2023 - 9.94 KBWorks with firefox 48.0 and laterBug fixesSource code released under Mozilla Public License 2.0
Version 1.0.4
Released Nov 27, 2023 - 9.87 KBWorks with firefox 48.0 and laterBug fixesSource code released under Mozilla Public License 2.0
Version 1.0.3
Released Nov 27, 2023 - 9.54 KBWorks with firefox 48.0 and laterThe issue causing the button to not appear in its designated position has been fixed.Source code released under Mozilla Public License 2.0
Version 1.0.2
Released Nov 27, 2023 - 9.58 KBWorks with firefox 48.0 and laterResolved an issue with saving playback speed settingsSource code released under Mozilla Public License 2.0
Version 1.0.1
Released Nov 26, 2023 - 9.58 KBWorks with firefox 48.0 and laterSource code released under Mozilla Public License 2.0