Cinnamon 1.6 has been released by the Linux Mint community and it comes with a lots of changes and bug fixes like:
- Workspace OSD
- Window Quick-List
- Notifications Applet
- Alt-Tab Thumbnails and Window Previews
- Improved Sound Applet
- Background selection
- Nemo Integration
Though this version is still in testing period, you can install it in Ubuntu by adding a PPA. Follow these instructions:
sudo add-apt-repository ppa:gwendal-lebihan-dev/cinnamon-stable
sudo apt-get update
sudo apt-get install cinnamon
After the installation is over, logout and you will be able to select Cinnamon desktop from LightDM login menu.
Installation instructions for other distros are provided here.