message: docs: release notes for the v8.2.8 release
diff: +<a name="8.2.8"></a>
  +## [8.2.8](https://github.com/angular/angular/compare/8.2.7...8.2.8) (2019-09-25)
  +
  +This release contains various API docs improvements.
  +
  +
  +
  <a name="9.0.0-next.7"></a>
  # [9.0.0-next.7](https://github.com/angular/angular/compare/9.0.0-next.6...9.0.0-next.7) (2019-09-18)
  