Mozilla Firefox 10 will bring features such as implementation of Anti-Aliasing for WebGL, the forward button is hidden by default and it will active when you navigate back, implementation of Full Screen APIs to easily build full-screen web apps, support for CSS3 3D-Transform, CSS properties support, element for HTML5 bi-directional text isolation, CSS Style Inspector, and IndexedDB APIs.
To install Mozilla Firefox 10.0 on your system follow the these step on your terminal.
sudo add-apt-repository ppa:mozillateam/firefox-next
sudo apt-get update
sudo apt-get install firefox
When you will be asked if you want to install the Firefox 10 packages, type Y and hit the Enter key. Wait for the installation to finish.
The new Mozilla Firefox 10.0 is now fully installed in your Ubuntu machine. You’ll need to restart Firefox for the changes to take effect.