Leo Iannacone: Ubuntu Themes for GNOME 3.12

Ubuntu Themes with support for GNOME >= 3.12

Install:

sudo add-apt-repository ppa:l3on/ubuntu-themes-gnome-shell
sudo apt-get update
sudo apt-get install light-themes

Preview:

For more info, check out lp:~l3on/ubuntu-themes/gnome-shell-fixes.

The patch was applied to the Ubuntu Themes development branch.
The GNOME environment comes from the gnome3-staging ppa.