is now available for beta test
as of the most recent daily build.
Download the appropriate ZIP
install file for Eclipse 3.2 or 3.2 and follow the OSX installation instructions here
The installation process is a bit more difficult than we would like. Unfortunately, it is required due to the way that GWT is implemented under OSX. In order for GWT Designer to work properly with MacOS X, it needs to use SWT classes provided by the GWT installation. The GWT Designer install process will generate a new Eclipse SWT Plugin from the GWT classes and copy it into the Eclipse plugins directory. In addition, the GWT custom WebKit frameworks will be copied into the Eclipse plugins directory as well as the custom SWT native libraries. Your system frameworks will not be affected.
Why is all this necessary? Read on...