Ext GWT 3.0 发布 Beta 版了，下载地址：Ext GWT 3.0 Beta

主要改进：

• Adoption of GWT Events and Handlers
• First class support and interoperability with GWT Widgets
• Interface based design (supports easier testing and the MVP pattern)
• Improved model support (POJO based)
• Compile time templates
• Cells, including support for cells in data widgets
• Cell based fields
• New and improved strongly typed layout engine
• Full UiBinder support
• New native Draw and Charting API (no plugins!)
• Custom theming based on Appearance pattern and ClientBundle

完整改进记录请看 release notes.