GWT 1.5 is almost here! The first milestone build is now publicly available for download. New features include:

• Full Java 5 support. You are now free to now use generics, enums, annotations and other Java 5 syntax features in your code.
• Generics support for RPC.
• Ability to subclass JavaScriptObject.
• Standards support by the UI Library.

You can read Bruce Johnson’s full announcement here. Check it out and let the GWT developers know if you run across any issues.