Marionette v3.4.2 发布了，Backbone.Marionette 是 Backbone.js 的一个组合应用库，简化了大规模 JavaScript 应用的开发。包含一组常用的设计模式。
更新内容：
Regions will now ensure there is only one node in its $el
Regions will not query outside of the parent view if the selector is not found in its context
The setDomApi and setRenderer class methods now correctly return the prototype when called
下载地址：https://github.com/marionettejs/backbone.marionette/archive/v3.4.2.zip
来自:开源中国社区
