<a name="2.2.0-beta.1"></a>

* **compiler:** don't access view local variables nor pipes in host expressions ([#12396](https://github.com/angular/angular/issues/12396)) ([867494a](https://github.com/angular/angular/commit/867494a)), closes [#12004](https://github.com/angular/angular/issues/12004) [#12071](https://github.com/angular/angular/issues/12071)

* **compiler:** walk third party modules ([#12453](https://github.com/angular/angular/issues/12453)) ([a838aba](https://github.com/angular/angular/commit/a838aba)), closes [#11889](https://github.com/angular/angular/issues/11889) [#12428](https://github.com/angular/angular/issues/12428)

* **compiler:** remove double exports of template_ast ([7742ec0](https://github.com/angular/angular/commit/7742ec0))

* **compiler:** use Maps instead of objects in selector implementation ([d321b0e](https://github.com/angular/angular/commit/d321b0e))

* **compiler-cli:** fix types ([ef15364](https://github.com/angular/angular/commit/ef15364))

* **compiler-cli:** assert that all pipes and directives are declared by a module ([7221632](https://github.com/angular/angular/commit/7221632))

* **http:** overwrite already set xsrf header ([b4265e0](https://github.com/angular/angular/commit/b4265e0))

* **router:** add a test to make sure canDeactivate guards are called for aux routes ([fc60fa7](https://github.com/angular/angular/commit/fc60fa7)), closes [#11345](https://github.com/angular/angular/issues/11345)

* **router:** canDeactivate guards are not triggered for componentless routes ([b741853](https://github.com/angular/angular/commit/b741853)), closes [#12375](https://github.com/angular/angular/issues/12375)

* **router:** change router not to deactivate aux routes when navigating from a componentless routes ([52a853e](https://github.com/angular/angular/commit/52a853e))

* **router:** disallow component routes with named outlets ([8f2fa0f](https://github.com/angular/angular/commit/8f2fa0f)), closes [#11208](https://github.com/angular/angular/issues/11208) [#11082](https://github.com/angular/angular/issues/11082)

* **router:** preserve resolve data ([6ccbfd4](https://github.com/angular/angular/commit/6ccbfd4)), closes [#12306](https://github.com/angular/angular/issues/12306)

* **upgrade:** re-export the new static upgrade APIs on new entry ([a26dd28](https://github.com/angular/angular/commit/a26dd28))

* **router:** export routerLinkActive w/ isActive property ([c9f58cf](https://github.com/angular/angular/commit/c9f58cf))

* upgrade: Four newly added APIs in 2.2.0-beta:

downgradeComponent, downgradeInjectable, UpgradeComponent, and UpgradeModule are no longer exported by @angular/upgrade.

Import these from @angular/upgrade/static instead.