Gnome 3.14 is stable version of GNOME desktop environment, it released and announce by GNOME development team on September 2014. There are a few interesting improvements, like new animations for the Activities Overview as well as new search providers for Clocks and Calculator so you can now perform calculations or find the time for a city from the Activities search box.
Window animations have been improved, receiving new transitions when opening, closing and minimizing windows. One of the most important new features in the latest GNOME 3.14 is the addition of system-wide multitouch gestures.
More details about GNOME 3.14 you can read on Gnome 3.14 release notes
Gnome 3.14 Screenshot Tours