message: docs: add changelog for 4.3.0-beta.0
diff: +<a name="4.3.0-beta.0"></a>
  +# [4.3.0-beta.0](https://github.com/angular/angular/compare/4.2.1...4.3.0-beta.0) (2017-06-22)
  +
  +
  +### Bug Fixes
  +
  +* **animations:** compute removal node height correctly ([185075d](https://github.com/angular/angular/commit/185075d))
  +* **animations:** do not treat a `0` animation state as `void` ([451257a](https://github.com/angular/angular/commit/451257a))
  +* **animations:** properly collect :enter nodes in a partially updated collection ([6ca4692](https://github.com/angular/angular/commit/6ca4692)), closes [#17440](https://github.com/angular/angular/issues/17440)
  +* **animations:** remove duplicate license header ([e096a85](https://github.com/angular/angular/commit/e096a85))
  +* **compiler:** avoid emitting self importing factories ([4352dd2](https://github.com/angular/angular/commit/4352dd2))
  +* **compiler-cli:** find lazy routes in nested module import arrays ([8c89cc4](https://github.com/angular/angular/commit/8c89cc4))
  +* **core:** argument destructuring sometimes breaks strictNullChecks ([c59c390](https://github.com/angular/angular/commit/c59c390))
  +* **forms:** roll back breaking change with min/max directives ([3e685f9](https://github.com/angular/angular/commit/3e685f9)), closes [#17491](https://github.com/angular/angular/issues/17491)
  +* **language-service:** infer `any` `ngForOf` of type `any` ([f194f18](https://github.com/angular/angular/commit/f194f18))
  +* **language-service:** rollup `tslib` into the language service package ([4e6be15](https://github.com/angular/angular/commit/4e6be15))
  +* **router:** update the version placeholder so that it gets replaced during the build ([d3c92a3](https://github.com/angular/angular/commit/d3c92a3)), closes [#17403](https://github.com/angular/angular/issues/17403)
  +* **tsc-wrapped:** skip collecting metadata for default functions ([46ddf50](https://github.com/angular/angular/commit/46ddf50))
  +
  +
  +### Features
  +
  +* **core:** update zone.js to 0.8.12 ([5ac3919](https://github.com/angular/angular/commit/5ac3919))
  +
  +
  +
  <a name="4.2.4"></a>
  ## [4.2.4](https://github.com/angular/angular/compare/4.2.3...4.2.4) (2017-06-21)
  