Cinnamon 1.4 has been released and has received cool new features this time.’Expo’ & ‘Scale’ features add eyecandy to your desktop experience, and there are lot of other improvements in usability as well. Cinnamon 1.4 is already there in Mint 12 repositories. Ubuntu users can use the PPA below.
You can use the PPA to install Cinnamon 1.4 on Ubuntu -
sudo add-apt-repository ppa:gwendal-lebihan-dev/cinnamon-stable
sudo apt-get update
sudo apt-get install cinnamon