Js.ember

- [15138](https://github.com/emberjs/ember.js/pull/15138) [BUGFIX] Fix mocha blueprint service test filename
- [15193](https://github.com/emberjs/ember.js/pull/15193) [BUGFIX] Ensure `factoryFor` does validation.
- [15207](https://github.com/emberjs/ember.js/pull/15207) [BUGFIX] Ensure that an engines container is only destroyed once.
- [15218](https://github.com/emberjs/ember.js/pull/15218) [BUGFIX] Update route-recognizer to v0.3.3.

- [15015](https://github.com/emberjs/ember.js/pull/15015) Allow mounting routeless engines with a bound engine name
- [15078](https://github.com/emberjs/ember.js/pull/15078) [DEPRECATION] Deprecate `EventManagercanDispatchToEventManager`.
- [15085](https://github.com/emberjs/ember.js/pull/15085) Add missing instrumentation for compilation/lookup phase
- [15150](https://github.com/emberjs/ember.js/pull/15150) [PERF] Cleanup Proxy invalidation tracking.
- [15168](https://github.com/emberjs/ember.js/pull/15168) [BUGFIX] Ensure that retrying a transition created with `replaceWith` causes a history replacement.
- [15148](https://github.com/emberjs/ember.js/pull/15148) [BUGFIX] Ensure that using `replace` with `refreshModel` works properly.
- [15178](https://github.com/emberjs/ember.js/pull/15178) Refactor route to lookup controller for QPs.
- [15129](https://github.com/emberjs/ember.js/pull/15129) Fix access to service:-document in ember-engines

- [15111](https://github.com/emberjs/ember.js/pull/15111) / [15029](https://github.com/emberjs/ember.js/pull/15029) [PERF] `factoryFor` should cache when possible.
- [14961](https://github.com/emberjs/ember.js/pull/14961) [BUGIX] [Fixes 14925] remove duplicate `/` in pathname
- [15065](https://github.com/emberjs/ember.js/pull/15065) [BUGFIX] Guard jQuery access in `setupForTesting`.
- [15103](https://github.com/emberjs/ember.js/pull/15103) [BUGFIX] Allow calling `Ember.warn` without test.
- [15106](https://github.com/emberjs/ember.js/pull/15106) [DOC] Introduce a more debugging data to warnings about CP dependencies.
- [15107](https://github.com/emberjs/ember.js/pull/15107) [PERF] avoid toBoolean conversion when possible (chains).
- [14011](https://github.com/emberjs/ember.js/pull/14011) [FEATURE ember-unique-location-history-state] Implements [RFC 186](https://github.com/emberjs/rfcs/pull/186).
- [13231](https://github.com/emberjs/ember.js/pull/13231) [BUGFIX] Fix a bug when using commas in computer property dependent keys.
- [14890](https://github.com/emberjs/ember.js/pull/14890) [BUGFIX] Fix a race condition where actions are invoked on destroyed DOM nodes.
- [14894](https://github.com/emberjs/ember.js/pull/14894) [FEATURE ember-no-double-extend] Enable by default.
- [14781](https://github.com/emberjs/ember.js/pull/14781) / [14954](https://github.com/emberjs/ember.js/pull/14954) Upgrade to Glimmer VM v0.22
- [14919](https://github.com/emberjs/ember.js/pull/14919) [DEPRECATION] Deprecate the private `Ember.Router.router` property in favor of `Ember.Router._routerMicrolib`.
- [14970](https://github.com/emberjs/ember.js/pull/14970) [BUGFIX] Generate integration tests for template helpers by default.
- [14976](https://github.com/emberjs/ember.js/pull/14976) [BUGFIX] Remove "no use strict" workaround for old versions of iOS 8.

- [15160](https://github.com/emberjs/ember.js/pull/15160) [BUGFIX] Ensure `Ember.Test` global is setup when including `ember-testing.js`.
- [15142](https://github.com/emberjs/ember.js/pull/15142) / [15163](https://github.com/emberjs/ember.js/pull/15163) [BUGFIX] Don’t leak deprecated `container`.
- [15161](https://github.com/emberjs/ember.js/pull/15161) [BUGFIX] Prevent errors from being triggered during error processing on non ES6 platforms.
- [15180](https://github.com/emberjs/ember.js/pull/15180) [BUGFIX] Correct `until` values for `this.container` deprecations.

- [14961](https://github.com/emberjs/ember.js/pull/14961) [BUGIX] Remove duplicate trailing `/` in pathname.
- [15029](https://github.com/emberjs/ember.js/pull/15029) [PERF] [BUGFIX] cache `factoryFor` injections when possible
- [15089](https://github.com/emberjs/ember.js/pull/15089) [BUGFIX] Fixing IE and Edge issue causing action handlers to be fired twice.

- [15000](https://github.com/emberjs/ember.js/pull/15000) / [15002](https://github.com/emberjs/ember.js/pull/15002) / [15006](https://github.com/emberjs/ember.js/pull/15006) / [15008](https://github.com/emberjs/ember.js/pull/15008) / [15009](https://github.com/emberjs/ember.js/pull/15009) / [15011](https://github.com/emberjs/ember.js/pull/15011) [PERF] Assorted performance improvements for modern browsers.
- [14872](https://github.com/emberjs/ember.js/pull/14872) / [14871](https://github.com/emberjs/ember.js/pull/14871) / [14883](https://github.com/emberjs/ember.js/pull/14883) [PERF] Simplify action event handler.
- [14360](https://github.com/emberjs/ember.js/pull/14360) [FEATURE factory-for] Implement `factoryFor`.
- [14751](https://github.com/emberjs/ember.js/pull/14751) [DEPRECATION] Deprecate `Ember.K`.
- [14756](https://github.com/emberjs/ember.js/pull/14756) [PERF] Disable costly `eventManager` support when unused.
- [14794](https://github.com/emberjs/ember.js/pull/14794) [BUGFIX] Fix query param stickiness between models in ember-engines.
- [14851](https://github.com/emberjs/ember.js/pull/14851) [PERF] only `LOG_VIEW_LOOKUPS` in debug
- [14829](https://github.com/emberjs/ember.js/pull/14829) [PERF] only `logLibraryVersions` in debug mode
- [14852](https://github.com/emberjs/ember.js/pull/14852) [PERF] only `LOG_TRANSITIONS` and `LOG_TRANSITIONS_INTERNAL` in debug
- [14854](https://github.com/emberjs/ember.js/pull/14854) [PERF] only `LOG_ACTIVE_GENERATION` and `LOG_RESOLVER` in debug