From the Autodesk App Store:
About This Version
Version 1.8, 4/19/2017
- Upgrading? We’ve made some great updates – but you will no longer be able to view previous Live files after upgrading to the new version. If that’s okay, go ahead and update. Otherwise, you can continue using the current version and update your app later. The choice is yours.
- Live now offers more control over your experience, by offering the option to choose between optimizing your scene for appearance or performance….