Angular 4.4.1 已发布，更新内容：
Bug 修复
animations: do not leak DOM nodes/styling for host triggered animations
common: fix improper packaging for @angular/common/http
common: fix XSSI prefix stripping by using JSON.parse always
compiler: normalize the locale name
core: complete EventEmitter in QueryList on component destroy
tsc-wrapped: deduplicate metadata for re-exported modules
tsc-wrapped: fix metadata symbol reference
upgrade: remove code setting id attribute.
功能特性
compiler: allow multiple exportAs names
core: add option to remove blank text nodes from compiled templates
下载地址：https://github.com/angular/angular/archive/4.4.1.zip
来自:开源中国社区
