Download | Release Notes | Blog Post | Docs | Patch Releases We're happy to release Unity 5.5 today, so grab it over on the download page. Patch releases can be found here. Some goodies 5.5 brings you: Improved Particle System Improved workflow and performance in the Animation Window New experimental Look Dev tool New Splash Screen tool GPU instancing for Android and iOS New CPU Usage Profiler timeline view Physics engine updated to PhysX 3.3.3 and added performance metrics to the Physics profiler Support for Visual Studio Code on macOS and Windows ...and much more. Read about the details in the blog post. Remember to back up your projects before downloading the latest version of Unity and check out the release notes. If you encounter any issues, please let us know by submitting a bug report. Thanks again to all the users who helped with testing and giving us feedback on 5.5 while it was in beta!