Angular 5.0.1 和 5.1.0 beta0 已发布，修复了如下 bug :
compiler: don't overwrite missingTranslation's value in JIT
compiler: report a reasonable error with invalid metadata
compiler-cli: don't report emit diagnostics when --noEmitOnError is off
core: __symbol__ should return __zone_symbol__ without zone.js loaded
core: should support event.stopImmediatePropagation
platform-browser: support Symbols in custom jasmineToString() method
Angular 5.1.0 beta0 还包含以下更新：
compiler: introduce TestBed.overrideTemplateUsingTestingModule
feat(elements): implement [@angular](https://github.com/angular)/elements
软件详情：https://github.com/angular/angular/blob/master/CHANGELOG.md
下载地址：https://github.com/angular/angular/releases
来自:开源中国社区
