Major new GWT Designer v4.0.0 release includes support for GWT 1.4.61, support for GWT JUnit tests, improved MyGWT support (beta), plus many other new features.
o Support for GWT 1.4.61
o Create GWT JUnit Test Cases
o JUnit GWT Application launch configuration
o Preference for generating Async interfaces for RemoteServices
o Preference to check for Composite default constructors
o Preference to check for client-side compilation issues
o Preference to set the GWT tests source folder
o Search for *.gwt.xml modules in all source folders
o Improved support MyGWT and GWT-EXT
See the New & Noteworthy page.