Unity 5 Announced at GDC 2014

nity 5 is available for pre-order from the Unity Store and includes access to Unity 4 and all its remaining updates
During its Developer Day at the Game Developers Conference in San Francisco, Unity Technologies revealed Unity 5, the next generation of the award-winning Unity multiplatform engine and development tools. Unity 5 is a massive update to the Unity Engine, including features such as the Enlighten real-time lighting system and physically-based shaders that provide the power to render high-quality characters, environments, lighting, and effects. Workflow efficiency increased dramatically due to the new unified shader architecture, in-editor real-time lightmap previews, and improved asset bundling. Audio designers will find a completely overhauled audio system including the new Audio Mixer for creating dynamic soundscapes and effects.