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New Dart Editor build

Eric Clayberg fills us in on the details on the new Dart Editor build:
A new Dart Editor build is available at Changes include:
  • Added a new sample to the welcome page - Solar 3D! This demonstrates the use of WebGL. You can view it at Tools > Welcome Page.
  • Removed support for obsolete style annotations @deprecated and @override in comments.
  • Opening the samples from the Welcome page now creates the sample contents in user.home/dart directory.
  • Fixed an issue on Windows where we couldn’t launch applications with spaces in the path name..
Breaking Change List:
  • The asynchronous Element.rect API has been removed, in its place are the standard DOM methods (clientWidth, offsetHeight, etc). 
  • Remove support for old style pub package layouts.
And as always, view the changelog for the full list of changes, and to get started with the Editor see our tutorial.
As always, we invite you to join our Dart mailing list, ask questions on Stack Overflow, or file feature requests on