Hello Linux Geeksters. As you may know, Gnome 3.12 is scheduled for release in mid-April. Despite this, it can be already installed, but it is not so stable. Gnome 3.12 will be used as default on a lot of popular Linux systems, including Arch Linux, Gentoo, Sabayon and Debian Sid.
In this article I will show you how to install Gnome 3.12 on Fedora 20.
Follow the instructions exactly, in order to get Gnome 3.12 on Fedora 20.
Switch to root and add the repository to your system:
$ sudo su
# cat << EOF > //etc/yum.repos.d/rhughes-f20-gnome-3-12.repo
[rhughes-f20-gnome-3-12]
name=Copr repo for f20-gnome-3-12 owned by rhughes
baseurl=http://copr-be.cloud.fedoraproject.org/results/rhughes/f20-gnome-3-12/fedora-$releasever-$basearch/
skip_if_unavailable=True
gpgcheck=0
enabled=1
EOF
Update the local repository index:
$ sudo yum update
Perform a system upgrade, in order get Gnome 3.12:
$ sudo yum upgrade
$ sudo yum distro-sync