So today we have started talking about the New UI System that will be coming in Unity 4.6. You can find the blog post here and the video here which covers a walk through of how the system works. The New UI System is designed from the ground up to meet the following needs: Fast execution Low draw call Easy to use Easy to extend Flexible API Runtime allocation free Over the coming weeks we will be releasing more videos and information about the new UI system where we will be revealing extra technical details, and information about how it works internally. Right now though lets have a talk about the walk through video and the things you have seen there, more discussion about the other areas of the UI system will coming soon If you are a beta user feel free to talk about your high level impressions of the system and how it's been shaping up on the beta list over the past few months (normal feedback to the beta list). We would love to see what you are working on Update: Will and I did a video about the new world space canvas!