Angular 6.0.0-rc.1 已发布，主要更新还是修复 bug，以及增加新特性。
Bug 修复
animations: avoid animation insertions during router back/refresh (#21977) (f88fba0), closes #19712
animations: treat numeric state name values as strings (#22923) (e5e1b0d)
bazel: complete the rollup globals list for all angular entrypoints (#23080) (439030f)
bazel: don't try to do flatmoduleindex under Blaze (#23083) (be10bf5)
bazel: downlevel decorators in fesm5 files (#23078) (481b22e)
bazel: ng_package packages attr not forwarded to npm_package (#22967) (2aabbc5)
bazel: ng_package should include private exports in fesms (#23054) (0d9140c)
consistently rewrite Injector to INJECTOR (#23008) (884bf0e)
compiler: fix support for html-like text in translatable attributes (#23053) (28058b7)
compiler: take quoting into account when determining if object literals can be shared (#22942) (d98e9e7)
compiler-cli: use numeric comparison for TypeScript version (#22705) (193737a), closes #22593
core: don't override ngInjectableDef in the decorator if present on the type (#22943) (6f01917)
service-worker: do not enter degraded mode when offline (#22883) (9e9b8dd), closes #21636
service-worker: fix LruList bugs (#22769) (8c2a578), closes #22218 #22768
service-worker: ignore invalid
only-if-cachedrequests (#22883) (d9dc46e), closes #22362
特性
更新说明：https://github.com/angular/angular/blob/master/CHANGELOG.md
源码下载：https://github.com/angular/angular/releases/tag/6.0.0-rc.1
引用来自“二灯大师”的评论
学前端真累引用来自“RainWang”的评论
hold不住了，2.0还没整明白，已经6来了