Unity 5.4 is now available! Read the blog for details on what's new in 5.4. Remember to back up your projects before downloading the latest version of Unity. Download 5.4 Release Notes Docs Unity 5.5 Beta If you’re looking for the Unity 5.5 Beta, never fear, it’s coming soon. While we’re getting it ready, why not take a look at our guide to being an effective Beta tester or check out what’s coming in Unity 5.5 on our Roadmap Page.