Thanks for giving Graphics 2.0 for a spin!
You can help us help you by providing context on your issue:
* Platform: Mac, Win, iOS or Android
* Device name: (e.g. iPhone 5S, Nexus 7)
* Screenshots
* Code snippets
Also, check the list of known issues before posting:
http://docs.coronalabs.com/tachyon/guide/graphics/knownIssues.html
And keep in mind, this is alpha-quality right now.