message: docs: release notes for the v12.2.1 release
diff: +<a name="12.2.1"></a>
  +# 12.2.1 (2021-08-11)
  +### router
  +| Commit | Description |
  +| -- | -- |
  +| [dd3abdb9d9](https://github.com/angular/angular/commit/dd3abdb9d9b2c4363fb1f468a05bf449b55f55a5) | fix(router): ensure check for match options is compatible with property renaming ([#43086](https://github.com/angular/angular/pull/43086)) |
  +## Special Thanks:
  +Amadou Sall, Andrew Kushnir, Andrew Scott, Daniel Trevino, Erik Slack, Fabien BERNARD, George Kalpakas, Jeroen van Warmerdam, Joey Perrott, Tim Gates and Vugar_Abdullayev
  +
  +
  <a name="13.0.0-next.0"></a>
  # 13.0.0-next.0 (2021-08-04)
  ### compiler-cli
  