Be careful with old versions!
These versions are displayed for reference and testing purposes. You should always use the latest version of an add-on.
- Define custom style rules safely for each platform.
- Show the toolbox by mousemove correctly, at the fullscreen mode.
- Marked as e10s compatible.
- Double click on the blank area of the tab bar opens a new tab correctly, on Nightly 47.0a1.
- Update codes for lately Firefox.
- Drop support for old Firefox 37 and older.