Download Release Notes Docs Unity 5.3 is now released, so head over to the download page and grab it. In summary, 5.3 brings you: New tools: A MonoDevelop upgrade, multi-scene editing, 2D tools and automated unit testing Graphics optimizations, including a new OpenGL core, experimental support for Metal in OS X, and an upgraded particle system. Coming soon: tvOS support Improved platform support for WebGL and iOS 9 Integrated in-app purchase support VR improvements and new VR learning samples ...and more, all of which you can read about in the blog post. Remember to back up your projects before downloading the latest version of Unity and check out the release notes. Thanks again to all the Pro users who helped with testing and giving us feedback on 5.3 while it was in beta!