SpringSource Tool Suite 2.9.0 第二个里程碑发布了，主要改进记录有：

• General - update to tc Server 2.6.3
• Spring - update to Spring Roo 1.2.0
• Spring - support for new Spring Roo packaging options
• Grails - Grails 2.0.0 is now the default version installed from the extensions page
• Groovy - Groovy 1.8 is now the default version installed from the extensions page
• Gradle - initial Gradle editing support (more to follow)

更多关于 M2 版本的改进记录请看 New and Noteworthy for 2.9.0.M2
安装指南：installation instructions

下载地址：STS download page