Synclify version history - 13 versions
Synclify by Andrea De Masi
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 0.4.1
Released Mar 28, 2026 - 573.47 KBWorks with firefox 58.0 and later0.4.1
This update is focused on polish, fixes, and making watch parties feel more reliable.
Improvements
Smoother Sync — Playback timing is now more accurate, especially when pausing, resuming, or jumping to a different moment in the video.
Better Permissions Flow — Fixed an issue that could ask for site access more often than expected.
Cleaner On-Screen Experience — Fixed a case where the video selection overlay could appear when it shouldn’t.
More Reliable Watching Sessions — Synclify now does a better job staying in sync as pages load, refresh, or change during a session.
General Stability Improvements — Small fixes across the extension to make chat, reactions, and playback feel more dependable.Source code released under GNU General Public License v3.0 only
Older versions
Version 0.4.0
Released Mar 22, 2026 - 588.73 KBWorks with firefox 58.0 and later0.4.0
What's New
Live Chat — You can now chat with everyone in your watch room. A floating chat bubble appears on the page that you can drag wherever you like. Unread message count shows when the chat is minimized.
Emoji Reactions — Send live emoji reactions (laugh, heart, fire, and more) that float up on screen for everyone in the room to see.
Custom Video Player — A new built-in player overlay with play/pause, volume, and a progress bar. You can toggle it on or off from settings.
Better Streaming Service Support — Synclify now recognizes and works more reliably with popular streaming services.
Nickname Support — Set a display name so others in the room know who you are.
Report a Problem — A new "Report" button in the popup lets you send feedback or describe issues directly from the extension.
Improvements
Smarter Video Detection — The extension is now much better at finding the right video on the page, especially on sites with multiple video elements (ads, thumbnails, previews).
Fullscreen Support — Chat, reactions, and the custom player now follow you into fullscreen mode.
Refreshed Design — The popup, settings page, and on-screen overlays have all been redesigned with a cleaner, more polished look.
More Reliable Sync — Improved handling when you navigate between episodes or pages without leaving the room.
New Settings — You can now individually toggle chat, reactions, the custom player, and volume sync on or off from the settings page.Source code released under GNU General Public License v3.0 only
Version 0.3.1
Released Sep 8, 2024 - 507.55 KBWorks with firefox 109.0a1 and later- Improved video detection
- Improved handling of errorsSource code released under GNU General Public License v3.0 only
Version 0.3.0
Released May 14, 2024 - 264.27 KBWorks with firefox 109.0a1 and later0.3.0
- Added settings page
- Added option in settings to disable audio volume sync
- UI revamp
- Bug fixesSource code released under GNU General Public License v3.0 only
Version 0.2.2
Released Jun 22, 2023 - 803.37 KBWorks with firefox 109.0a1 and laterAdded feedback and offical website linksSource code released under GNU General Public License v3.0 only
Version 0.2.1
Released May 21, 2023 - 368.52 KBWorks with firefox 109.0a1 and later- Fixed play/pause not syncing when frequently changingSource code released under GNU General Public License v3.0 only
Version 0.2.0
Released May 18, 2023 - 369.81 KBWorks with firefox 109.0a1 and later0.2.0
- EXPERIMENTAL: Added video selector when multiple videos in a page are detected
- Fixed bug that caused a loop when seeking
- Various fixesSource code released under GNU General Public License v3.0 only
Version 0.1.1
Released Mar 19, 2023 - 200.92 KBWorks with firefox 109.0a1 and later- Added Try Again button
- Improved script injection logic
- Bug fixingSource code released under GNU General Public License v3.0 only
Version 0.0.5
Released Feb 1, 2023 - 180.41 KBWorks with firefox 48.0 and laterRebranding to SinclifySource code released under GNU General Public License v3.0 only
Version 0.0.4
Released Jan 2, 2023 - 172.66 KBWorks with firefox 48.0 and laterBug fixingSource code released under GNU General Public License v3.0 only
Version 0.0.3
Released Dec 28, 2022 - 171.97 KBWorks with firefox 48.0 and laterUpdated design
Improved video detection logic
Restricted permissions neededSource code released under GNU General Public License v3.0 only
Version 0.0.2
Released Dec 5, 2022 - 168.18 KBWorks with firefox 48.0 and laterImproved Firefox support
Now works with embedded videos!Source code released under MIT License
Version 0.0.1
Released Dec 1, 2022 - 174.82 KBWorks with firefox 48.0 and laterSource code released under MIT License