The Softhouse Unity Technology release the version 4.3 of Unity.
As you know, Unity is a complete program for 2 & 3d game, as well as an engine of interactive views content in real time.

In this release you’ll find our much-anticipated 2D toolset, some truly stunning Mecanim features, MonoDevelop 4.0.1 (we knew you’d be pleased to see that one), lots of major Windows Phone 8 and Windows Store Apps features, Plastic SCM integration for your version control pleasure and tons of optimizations and moch more.                    

For a full and complete list  of new feateures, pleae see HERE