Angular 4.4.5 和 5.0.0-rc.2 已发布，更新如下：
5.0.0-rc.2 (2017-10-12)
Bug 修复
animations: properly support boolean-based transitions and state changes
compiler: correctly calculate the out path on windows
compiler-cli: produce smaller source maps for templates
性能改进
animations: reduce size of bundle by removing AST classes
compiler: only type check input files when using bazel
compiler: skip type check and emit in bazel in some cases
compiler: speed up loading of summaries for bazel
下载地址：
Source code (zip)
Source code (tar.gz)
4.4.5 (2017-10-12)
Bug 修复
compiler: TestBed.overrideProvider should keep imported NgModules eager
compiler: correctly instantiate eager providers that are used via Injector.get
compiler: disallow references for select and index evaluation
core: make dynamic & inline code checking behave the same
platform-browser: support customEqualityTesters when overriding Jasmine toEqual
tsc-wrapped: don't rewrite imports when annotating for closure
软件详情：http://git.oschina.net/mirrors/angular
来自:开源中国社区
