ember-introjs/.node_modules.ember-try/ember-source/CHANGELOG.md

An Ember Component for intro.js

# Ember Changelog

### v3.0.0 (February 13, 2018)

- [#16218](https://github.com/emberjs/ember.js/pull/16218) [BUGFIX beta] Prevent errors when using const `(get arr 1)`.
- [#16241](https://github.com/emberjs/ember.js/pull/16241) [BUGFIX lts] Avoid excessively calling Glimmer AST transforms.
- [#16199](https://github.com/emberjs/ember.js/pull/16199) [BUGFIX] Mention "computed properties" in the assertion message
- [#16200](https://github.com/emberjs/ember.js/pull/16200) [BUGFIX] Prevent test error by converting illegal characters
- [#16179](https://github.com/emberjs/ember.js/pull/16179) [BUGFIX] Fix a few bugs in the caching ArrayProxy implementation
- [#16160](https://github.com/emberjs/ember.js/pull/16160) [BUGFIX] Remove humanize() call from generated test descriptions
- [#16101](https://github.com/emberjs/ember.js/pull/16101) [CLEANUP] Remove legacy ArrayProxy features
- [#16116](https://github.com/emberjs/ember.js/pull/16116) [CLEANUP] Remove private enumerable observers
- [#16117](https://github.com/emberjs/ember.js/pull/16117) [BUGFIX] link-to active class applied when params change
- [#16132](https://github.com/emberjs/ember.js/pull/16132) [BUGFIX] Bring back `sync` queue with deprecation (until: 3.5.0).
- [#16156](https://github.com/emberjs/ember.js/pull/16156) [BUGFIX] Update to backburner.js@2.1.0.
- [#16157](https://github.com/emberjs/ember.js/pull/16157) [BUGFIX] Mutating an arranged ArrayProxy is not allowed
- [#16162](https://github.com/emberjs/ember.js/pull/16162) [CLEANUP] Remove unused private listener methods
- [#16163](https://github.com/emberjs/ember.js/pull/16163) [CLEANUP] Remove unused path caches
- [#16169](https://github.com/emberjs/ember.js/pull/16169) [BUGFIX] Fix various issues with descriptor trap.
- [#16174](https://github.com/emberjs/ember.js/pull/16174) [BUGFIX] Enable _some_ recovery of errors thrown during render.
- [#16095](https://github.com/emberjs/ember.js/pull/16095) [CLEANUP] Fix ember-2-legacy support for Ember.Binding.
- [#16117](https://github.com/emberjs/ember.js/pull/16117) [BUGFIX] link-to active class applied when params change
- [#16097](https://github.com/emberjs/ember.js/pull/16097) / [#16110](https://github.com/emberjs/ember.js/pull/16110) [CLEANUP] Remove `sync` runloop queue.
- [#16099](https://github.com/emberjs/ember.js/pull/16099) [CLEANUP] Remove custom eventManager support.
- [#16067](https://github.com/emberjs/ember.js/pull/16067) [BUGFIX] Fix issues with `run.debounce` with only method and wait.
- [#16045](https://github.com/emberjs/ember.js/pull/16045) [BUGFIX] Fix double debug output
- [#16050](https://github.com/emberjs/ember.js/pull/16050) [BUGFIX] Add inspect and constructor to list of descriptor exceptions
- [#16080](https://github.com/emberjs/ember.js/pull/16080) [BUGFIX] Add missing modules docs for tryInvoke, compare, isEqual #16079
- [#16084](https://github.com/emberjs/ember.js/pull/16084) [BUGFIX] Update `computed.sort` docs to avoid state leakage
- [#16087](https://github.com/emberjs/ember.js/pull/16087) [BUGFIX] Ensure `App.visit` resolves when rendering completed. 
- [#16090](https://github.com/emberjs/ember.js/pull/16090) [CLEANUP] Remove Ember.Binding support
- [#15901](https://github.com/emberjs/ember.js/pull/15901) [CLEANUP] Remove Ember.Handlebars.SafeString
- [#15894](https://github.com/emberjs/ember.js/pull/15894) [CLEANUP] removed `immediateObserver`
- [#15897](https://github.com/emberjs/ember.js/pull/15897) [CLEANUP] Remove controller wrapped param deprecation
- [#15883](https://github.com/emberjs/ember.js/pull/15883) [CLEANUP] Remove this.resource from RouterDSL
- [#15882](https://github.com/emberjs/ember.js/pull/15882) [CLEANUP] Remove Ember.String.fmt
- [#15892](https://github.com/emberjs/ember.js/pull/15892) [CLEANUP] removed `Ember.required`
- [#15223](https://github.com/emberjs/ember.js/pull/15223) Preserve current history state on app boot
- [#15886](https://github.com/emberjs/ember.js/pull/15886) [CLEANUP] Remove arity check from initializer
- [#15893](https://github.com/emberjs/ember.js/pull/15893) [CLEANUP] removed `providing reversed arguments to observer`
- [#15881](https://github.com/emberjs/ember.js/pull/15881) [CLEANUP] Removed console polyfills/shims
- [#15999](https://github.com/emberjs/ember.js/pull/15999) Update acceptance test blueprint to conform to emberjs/rfcs#268
- [#15927](https://github.com/emberjs/ember.js/pull/15927) [BUGFIX] Extend test framework detection to `ember-qunit` and `ember-mocha`
- [#15912](https://github.com/emberjs/ember.js/pull/15912) [CLEANUP] Remove deprecated `{Application,Engine,ApplicationInstance}.registry`
- [#15910](https://github.com/emberjs/ember.js/pull/15910) [CLEANUP] removed `transform-input-on-to-onEvent`
- [#15922](https://github.com/emberjs/ember.js/pull/15922) [CLEANUP] Remove legacy controller proxy behavior
- [#15914](https://github.com/emberjs/ember.js/pull/15914) [CLEANUP] Remove ability to specify `_actions` in `Ember.Route`, `Ember.Controller`, and `Ember.Component`
- [#15923](https://github.com/emberjs/ember.js/pull/15923) [CLEANUP] Remove didInitAttrs lifecycle method
- [#15915](https://github.com/emberjs/ember.js/pull/15915) [CLEANUP] Remove {{render}}
- [#15950](https://github.com/emberjs/ember.js/pull/15950) blueprints/mixin-test: Added RFC-232 variant
- [#15951](https://github.com/emberjs/ember.js/pull/15951) blueprints/service-test: Added RFC-232 variant
- [#15949](https://github.com/emberjs/ember.js/pull/15949) [CLEANUP canary] use `Set` for uniqBy and uniq
- [#15947](https://github.com/emberjs/ember.js/pull/15947) blueprints/util-test: Add RFC232 variants
- [#15943](https://github.com/emberjs/ember.js/pull/15943) blueprints/controller-test: Add RFC232 variants
- [#15948](https://github.com/emberjs/ember.js/pull/15948) [CLEANUP] remove ArrayMixin#contains
- [#15946](https://github.com/emberjs/ember.js/pull/15946) blueprints/initializer-test: Add RFC232 variants
- [#15945](https://github.com/emberjs/ember.js/pull/15945) blueprints/instance-initializers-test: Add RFC232 variants
- [#15957](https://github.com/emberjs/ember.js/pull/15957) RFC 232 route-test blueprints
- [#15934](https://github.com/emberjs/ember.js/pull/15934) blueprints/component-test: Add RFC232 variants
- [#16010](https://github.com/emberjs/ember.js/pull/16010) Cleanup ember-template-compiler's tests
- [#16015](https://github.com/emberjs/ember.js/pull/16015) [CLEANUP] Convert ember-router tests to new style
- [#16036](https://github.com/emberjs/ember.js/pull/16036) [CLEANUP] Convert ember-metal accessors tests to new style
- [#16023](https://github.com/emberjs/ember.js/pull/16023) Make event dispatcher work without jQuery

### 2.18.1 (February 13, 2018)

- [#16174](https://github.com/emberjs/ember.js/pull/16174) [BUGFIX] Enable _some_ recovery of errors thrown during render.
- [#16241](https://github.com/emberjs/ember.js/pull/16241) [BUGFIX] Avoid excessively calling Glimmer AST transforms.

### 2.18.0 (January 1, 2018)

- [95b449](https://github.com/emberjs/ember.js/commit/95b4499b3667712a202bef834268e23867fc8842) [BUGFIX] Ensure `Ember.run.cancel` while the run loop is flushing works properly.
- [#15952](https://github.com/emberjs/ember.js/pull/15952) [BUGFIX] fix regression of clicking link-to with disabled=true
- [#15982](https://github.com/emberjs/ember.js/pull/15982) [BUGFIX] Fix issue with unchaining ChainNodes (again)
- [#15924](https://github.com/emberjs/ember.js/pull/15924) / [#15940](https://github.com/emberjs/ember.js/pull/15940) [BUGFIX] Assert that `classNameBinding` items are non-empty strings
- [#15927](https://github.com/emberjs/ember.js/pull/15927) [BUGFIX] Extend test framework detection to `ember-qunit` and `ember-mocha`
- [#15935](https://github.com/emberjs/ember.js/pull/15935) [BUGFIX] Fix framework detection in blueprints to work with prerelease versions of ember-cli-mocha
- [#15902](https://github.com/emberjs/ember.js/pull/15902) [BUGFIX] Fix link-to throwing in integration tests
- [#15905](https://github.com/emberjs/ember.js/pull/15905) [BUGFIX] Improve error message when calling `inject()`.
- [#15919](https://github.com/emberjs/ember.js/pull/15919) [BUGFIX] Upgrade Backburner.js to v1.3.3, fixing an issue canceling tasks scheduled by scheduleOnce.
- [#14590](https://github.com/emberjs/ember.js/pull/14590) [DEPRECATION] Deprecate using `targetObject`.
- [#15754](https://github.com/emberjs/ember.js/pull/15754) [CLEANUP] Remove `router.router` deprecation.

### 2.17.1 (February 13, 2018)

- [#16174](https://github.com/emberjs/ember.js/pull/16174) [BUGFIX] Enable _some_ recovery of errors thrown during render.
- [#16241](https://github.com/emberjs/ember.js/pull/16241) [BUGFIX] Avoid excessively calling Glimmer AST transforms.

### 2.17.0 (November 29, 2017)

- [#15855](https://github.com/emberjs/ember.js/pull/15855) [BUGFIX] fix regression with computed `filter/map/sort`
- [#15871](https://github.com/emberjs/ember.js/pull/15871) [BUGFIX lts] Refactor / fix error handling scenarios.
    * Revert changes made in 2.11.3 which made all errors thrown within a run loop unable to be caught with normal `try` / `catch`.
    * Prevent unhandled rejections from being thrown twice (once by the `RSVP` unhandled rejection system, and again by `Ember.onerror` if present).
- [#15873](https://github.com/emberjs/ember.js/pull/15873) [BUGFIX] Update to `backburner.js@1.2.3` to prevent issues with swallowing errors thrown within `run.join` callbacks when `Ember.onerror` is present.
- [#15848](https://github.com/emberjs/ember.js/pull/15848) [BUGFIX] Ensure helpers have a consistent API.
- [#15849](https://github.com/emberjs/ember.js/pull/15849) [BUGFIX] Fix issue when observing a computed property that is clobbered during creation. 
- [#15797](https://github.com/emberjs/ember.js/pull/15797) [BUGFIX] Fix issues with using partials nested within other partials.
- [#15808](https://github.com/emberjs/ember.js/pull/15808) [BUGFIX] Fix a memory leak in certain testing scenarios.
- [#15746](https://github.com/emberjs/ember.js/pull/15746) [BUGFIX] Fix computed sort regression when array property is initally `null`.
- [#15777](https://github.com/emberjs/ember.js/pull/15777) [BUGFIX] Fix various issues around accessing dynamic data within a partial.
- [#15606](https://github.com/emberjs/ember.js/pull/15606) [BUGFIX] Add fs-extra to deps
- [#15697](https://github.com/emberjs/ember.js/pull/15697) [BUGFIX] Move accessing meta out of the loop
- [#15710](https://github.com/emberjs/ember.js/pull/15710) [BUGFIX] Correctly reset container cache
- [#15613](https://github.com/emberjs/ember.js/pull/15613) [BUGFIX] Don't throw an error, when not all query params are passed to routerService.transitionTo
- [#15707](https://github.com/emberjs/ember.js/pull/15707) [BUGFIX] Fix `canInvoke` for edge cases
- [#15722](https://github.com/emberjs/ember.js/pull/15722) [BUGFIX] empty path in `get` helper should not throw assertion
- [#15733](https://github.com/emberjs/ember.js/pull/15733) [BUGFIX] Fix computed sort regression when array prop initially null
- [#15265](https://github.com/emberjs/ember.js/pull/15265) [BUGFIX] fixed issue when passing `false` to `activeClass` for `{{link-to}}`
- [#15672](https://github.com/emberjs/ember.js/pull/15672) Update router_js to 2.0.0.

### 2.16.3 (February 13, 2018)

- [#15927](https://github.com/emberjs/ember.js/pull/15927) blueprints: Extend test framework detection to `ember-qunit` and `ember-mocha`
- [#15935](https://github.com/emberjs/ember.js/pull/15935) [BUGFIX] blueprints: fix framework detection to work with prerelease versions of ember-cli-mocha
- [#16174](https://github.com/emberjs/ember.js/pull/16174) [BUGFIX] Enable _some_ recovery of errors thrown during render.
- [#16241](https://github.com/emberjs/ember.js/pull/16241) [BUGFIX] Avoid excessively calling Glimmer AST transforms.

### 2.16.2 (November 1, 2017)

- [#15797](https://github.com/emberjs/ember.js/pull/15797) [BUGFIX] Fix issues with using partials nested within other partials.

### 2.16.1 (October 29, 2017)

- [#15722](https://github.com/emberjs/ember.js/pull/15722) [BUGFIX] Avoid assertion when using `(get` helper with empty paths.
- [#15746](https://github.com/emberjs/ember.js/pull/15746) [BUGFIX] Fix computed sort regression when array property is initally `null`.
- [#15613](https://github.com/emberjs/ember.js/pull/15613) [BUGFIX] Prevent an error from being thrown when partial set of query params are passed to the router service.
- [#15777](https://github.com/emberjs/ember.js/pull/15777) [BUGFIX] Fix various issues around accessing dynamic data within a partial.

### 2.16.0 (October 9, 2017)

- [#15604](https://github.com/emberjs/ember.js/pull/15604) Data Adapter: Only trigger model type update if the record live array count actually changed
- [#15610](https://github.com/emberjs/ember.js/pull/15610) [BUGFIX] add inflection to dependencies
- [#15695](https://github.com/emberjs/ember.js/pull/15695) [BUGFIX] Avoid creating event dispatcher in FastBoot with Engines
- [#15702](https://github.com/emberjs/ember.js/pull/15702) [BUGFIX] Correctly escape values in `Ember.CoreObject` assertions
- [#15718](https://github.com/emberjs/ember.js/pull/15718) [BUGFIX] bump backburner (fixes clock + autorun interop)
- [#15577](https://github.com/emberjs/ember.js/pull/15577) [BUGFIX] Include missing sourcemaps in vendorTree.
- [#15552](https://github.com/emberjs/ember.js/pull/15552) [FEATURE] Update blueprints and tests to RFC #176.
- [#15600](https://github.com/emberjs/ember.js/pull/15600) [BUGFIX] ensure “pause on exception” pauses in the right place.
- [#15616](https://github.com/emberjs/ember.js/pull/15616) [DOC release] Improve documentation for RouterService and mount helper.
- [#15600](https://github.com/emberjs/ember.js/pull/15600) [BUGFIX] ensure “pause on exception” pauses in the right place.
- [#15667](https://github.com/emberjs/ember.js/pull/15667) [BUGFIX] Allow `0` to work with `get` helper.
- [#15676](https://github.com/emberjs/ember.js/pull/15676) [BUGFIX] Fix `<input type="range">` so that it can properly bind `min`, `max`, and `value`.
- [#15689](https://github.com/emberjs/ember.js/pull/15689) [BUGFIX] Mark error as handled before transition for error routes and substates.
- [#14764](https://github.com/emberjs/ember.js/pull/14764) Fixed string capitalize for accented characters.
- [#15528](https://github.com/emberjs/ember.js/pull/15528) [DEPRECATION] Deprecate `Controller#content` alias.
- [#15552](https://github.com/emberjs/ember.js/pull/15552) [FEATURE] Update blueprints and tests to RFC #176.

### 2.15.3 (October 9, 2017)

- [#15718](https://github.com/emberjs/ember.js/pull/15718) [BUGFIX] bump backburner (fixes clock + autorun interop)

### 2.15.2 (October 4, 2017)

- [#15604](https://github.com/emberjs/ember.js/pull/15604) [BUGFIX] Ember Inspector Data Adapter: Only trigger model type update if the record live array count actually changed.
- [#15695](https://github.com/emberjs/ember.js/pull/15695) [BUGFIX] Avoid creating event dispatcher in FastBoot with Engines.

### 2.15.1 (October 2, 2017)

- [#15600](https://github.com/emberjs/ember.js/pull/15600) [BUGFIX] ensure “pause on exception” pauses in the right place.
- [#15689](https://github.com/emberjs/ember.js/pull/15689) [BUGFIX] Mark error as handled before transition for error routes and substates.

### 2.15.0 (August 31, 2017)

- [#15577](https://github.com/emberjs/ember.js/pull/15577) [BUGFIX] Include missing sourcemaps in vendorTree.
- [#14848](https://github.com/emberjs/ember.js/pull/14848) [BUGFIX] Allow boolean values for current-when
- [#15572](https://github.com/emberjs/ember.js/pull/15572) [BUGFIX] Fix issue with using negative numbers as an argument passed in from the template.
- [#15535](https://github.com/emberjs/ember.js/pull/15535) [BUGFIX] Ensure that properties of functions are able to be rendered.
- [#14753](https://github.com/emberjs/ember.js/pull/14753) [BUGFIX] Fix `<input type=XXX>` feature detect issue affecting Safari.
- [#15176](https://github.com/emberjs/ember.js/pull/15176) [BUGFIX] Ensure `Controller.prototype.replaceRoute` considers engine's mount point.
- [#15513](https://github.com/emberjs/ember.js/pull/15513) [BUGFIX] Release root components after they are destroyed.
- [#15511](https://github.com/emberjs/ember.js/pull/15511) [BUGFIX] Fixes `onFulfillment` being `undefined` when stepping through RSVP code.
- [#15510](https://github.com/emberjs/ember.js/pull/15510) [BUGFIX] Make sure notification changes are properly triggered for firstObject/lastObject.
- [#15502](https://github.com/emberjs/ember.js/pull/15502) [BUGFIX] Work around a browser bug that causes `getOwner` to sometimes return `undefined`.
- [#14338](https://github.com/emberjs/ember.js/pull/14338) [FEATURE] Remove explicit names from initializers.
- [#15325](https://github.com/emberjs/ember.js/pull/15325) / [#15326](https://github.com/emberjs/ember.js/pull/15326) [FEATURE ember-engines-mount-params] Allow `{{mount` to accept a `model` named parameter.
- [#15347](https://github.com/emberjs/ember.js/pull/15347) [BUGFIX] Make better errors for meta updates after object destruction.
- [#15411](https://github.com/emberjs/ember.js/pull/15411) [CLEANUP] Remove deprecated `Ember.Backburner`.
- [#15366](https://github.com/emberjs/ember.js/pull/15366) [BUGFIX] Allow numeric keys for the `get` helper.
- [#14805](https://github.com/emberjs/ember.js/pull/14805) / [#14861](https://github.com/emberjs/ember.js/pull/14861) / [#14979](https://github.com/emberjs/ember.js/pull/14979) / [#15414](https://github.com/emberjs/ember.js/pull/15414) / [#15415](https://github.com/emberjs/ember.js/pull/15415) [FEATURE ember-routing-router-service] Enable by default.
- [#15193](https://github.com/emberjs/ember.js/pull/15193) [CLEANUP] Remove `owner._lookupFactory` support.

### 2.14.0 (July 5, 2017)

- [#15312](https://github.com/emberjs/ember.js/pull/15312) [BUGFIX] Avoid re-freezing already frozen objects.
- [#15315](https://github.com/emberjs/ember.js/pull/15315) [FEATURE] Add minlength to TextSupport
- [#15321](https://github.com/emberjs/ember.js/pull/15321) [BUGFIX] Improve fastboot debugger/repl experience
- [#15366](https://github.com/emberjs/ember.js/pull/15366) [BUGFIX] Allow numeric keys for the `get` helper.
- [#15242](https://github.com/emberjs/ember.js/pull/15242) [BUGFIX] Fix EmberError import in system/router
- [#15204](https://github.com/emberjs/ember.js/pull/15204) [DEPRECATION] `Ember.MODEL_FACTORY_INJECTIONS` is now always false, and issues a deprecation if set.
- [#15239](https://github.com/emberjs/ember.js/pull/15239) [BUGFIX] Ensure `Ember.deprecate` is exported properly.
- [glimmerjs/glimmer-vm#529](https://github.com/glimmerjs/glimmer-vm/pull/529) [BUGFIX] Fix issues identified with custom element support.
- [#15277](https://github.com/emberjs/ember.js/pull/15277) [BUGFIX] Fix issues with retrying an initial transition.
- [#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 `EventManager#canDispatchToEventManager`.
- [#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

### 2.13.4 (July 5, 2017)

- [#15321](https://github.com/emberjs/ember.js/pull/15321) [BUGFIX] Improve fastboot debugger/repl experience.

### 2.13.3 (May 31, 2017)

- [#15284](https://github.com/emberjs/ember.js/pull/15284) [BUGFIX] remove nested transaction assertion from glimmer.
- [glimmerjs/glimmer-vm#529](https://github.com/glimmerjs/glimmer-vm/pull/529) [BUGFIX] Fix issues identified with custom element support.

### 2.13.2 (May 18, 2017)

- Revert over eager dependency upgrades in 2.13.1.

### 2.13.1 (May 17, 2017)

- [#15129](https://github.com/emberjs/ember.js/pull/15129) Fix access to document service in `ember-engines`.
- [#15138](https://github.com/emberjs/ember.js/pull/15138) [BUGFIX] Fix mocha blueprint service test filename
- [#15204](https://github.com/emberjs/ember.js/pull/15204) [DEPRECATION] `Ember.MODEL_FACTORY_INJECTIONS` is now always false, deprecate setting it.
- [#15207](https://github.com/emberjs/ember.js/pull/15207) [BUGFIX] Ensure child engines do not have their container destroyed twice.
- [#15242](https://github.com/emberjs/ember.js/pull/15242) [BUGFIX] Fix `EmberError` import in system/router.
- [#15247](https://github.com/emberjs/ember.js/pull/15247) [BUGFIX] Ensure nested custom elements render properly.

### 2.13.0 (April 27, 2017)

- [#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.

### 2.12.2 (April 27, 2017)

- [#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.


### 2.12.1 (April 7, 2017)

- [#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.

### 2.12.0 (March 14, 2017)

- [#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

### 2.11.3 (March 8, 2017)

- [#14987](https://github.com/emberjs/ember.js/pull/14987) [BUGFIX] Fix a memory leak when components are destroyed.
- [#14986](https://github.com/emberjs/ember.js/pull/14986) [BUGFIX] Fix a memory leak in RSVP.js.
- [#14985](https://github.com/emberjs/ember.js/pull/14985) [BUGFIX] Fix a bug that added babel helpers to the global scope.
- [#14898](https://github.com/emberjs/ember.js/pull/14898) [BUGFIX] Fix an issue where errors in tests sometimes do not cause a failure.
- [#14707](https://github.com/emberjs/ember.js/pull/14707) [BUGFIX] Improve deprecation message for unsafe `style` attribute bindings.

### 2.11.2 (February 19, 2017)

- [#14937](https://github.com/emberjs/ember.js/pull/14937) [BUGFIX] Fix issue preventing `ember generate *` from creating test files as appropriate.

### 2.11.1 (February 16, 2017)

- [#14762](https://github.com/emberjs/ember.js/pull/14762) [BUGFIX] Make ember-template-compiler handle {{input}} helpers with sub-expression "type"
- [#14791](https://github.com/emberjs/ember.js/pull/14791) [BUGFIX] exempt routes that share a controller from duplicate assertion
- [#14860](https://github.com/emberjs/ember.js/pull/14860) [BUGFIX] Add back `mainContext` to loader #14859 (fixes issue with non ember-cli template compilation).
- [#14878](https://github.com/emberjs/ember.js/pull/14878) [DOC] Fix yuidoc package paths to ensure RSVP is properly included in API documentation.
- [#14910](https://github.com/emberjs/ember.js/pull/14910) [BUGFIX] Include blueprints in NPM release, to ensure `ember-source` blueprints are used over `ember-cli-legacy-blueprints`.
- [e94799c](https://github.com/emberjs/ember.js/commit/e94799c54cd464f5ba3642dec83f0000a52eb3b6) [BUGFIX] Update to `route-recognizer@0.2.9` to prevent errors for duplicate route name definitions in `Router.map`.


### 2.11.0 (January 23, 2017)

- [#14762](https://github.com/emberjs/ember.js/pull/14762) [BUGFIX] Ensure subexpressions can be used for `{{input}}`'s `type`.
- [#14723](https://github.com/emberjs/ember.js/pull/14723) [BUGFIX] Improved backtracking re-render assertion message.
- [#14750](https://github.com/emberjs/ember.js/pull/14750) [BUGFIX] Add assertion when a component's `tagName` is a computed property.
- [#14685](https://github.com/emberjs/ember.js/pull/14685) [BUGFIX] Fix `this.$()` returning `undefined` in `willDestroyElement`.
- [#14717](https://github.com/emberjs/ember.js/pull/14717) [BUGFIX] Fix an issue with block params named `attrs`.
- [#14671](https://github.com/emberjs/ember.js/pull/14671) [BUGFIX] Fix an issue with the `list` attribute in `<input>` elements.
- [#14681](https://github.com/emberjs/ember.js/pull/14681) [BUGFIX] Fix an issue with computed properties when using aliases as dependent keys.
- [#14682](https://github.com/emberjs/ember.js/pull/14682) [BUGFIX] Ensure closure actions do not trigger unnecessary re-renders.
- [#14658](https://github.com/emberjs/ember.js/pull/14658) [BUGFIX] Make the ember-source build work.
- [#14389](https://github.com/emberjs/ember.js/pull/14389) [BUGFIX] Move `classNames` and `classNameBindings` properties into the component's prototype.
- [#14389](https://github.com/emberjs/ember.js/pull/14389) [BUGFIX] Disallow mutation of shared concatenatedProperties, such as `classNames` and `classNameBindings`.
- [#14441](https://github.com/emberjs/ember.js/pull/14441) [DEPRECATION] Deprecate remaining usage of the `{{render}}` helper.
- [#14482](https://github.com/emberjs/ember.js/pull/14482) [DEPRECATION] Deprecate `Component#renderToElement`.

### 2.10.2 (December 19, 2016)

- [#14685](https://github.com/emberjs/ember.js/pull/14685) [BUGFIX] Fix `this.$()` returning `undefined` in `willDestroyElement`.
- [#14717](https://github.com/emberjs/ember.js/pull/14717) [BUGFIX] Fix an issue with block params named `attrs`.

### 2.10.1 (December 13, 2016)

- [#14671](https://github.com/emberjs/ember.js/pull/14671) [BUGFIX] Fix an issue with the list attribute in <input> elements.
- [#14681](https://github.com/emberjs/ember.js/pull/14681) [BUGFIX] Fix an issue with computed properties when using aliases as dependent keys.
- [#14682](https://github.com/emberjs/ember.js/pull/14682) [BUGFIX] Ensure closure actions do not trigger unnecessary re-renders.

### 2.10.0 (November 28, 2016)

- [#14293](https://github.com/emberjs/ember.js/pull/14293) [BUGFIX] Remove style warning when the binding is quoted.
- [#12708](https://github.com/emberjs/ember.js/pull/12708) [BUGFIX] Improve compatibility between `Ember.isArray` and the native `Array.isArray` for `FileList`.
- [#14546](https://github.com/emberjs/ember.js/pull/14546) [BUGFIX] Update route-recognizer to v0.2.8.
- [#14575](https://github.com/emberjs/ember.js/pull/14575) [BUGFIX] Disallow calling `Ember.get` with empty paths.
- [#14591](https://github.com/emberjs/ember.js/pull/14591) [BUGFIX] Avoid run.next in `app.visit` resolve handler.
- [#14537](https://github.com/emberjs/ember.js/pull/14537) [BUGFIX] Improve behavior for query params with undefined values.
- [#14545](https://github.com/emberjs/ember.js/pull/14545) [BUGFIX] Fixes a number of issues with loading/error substates in ember-engines.
- [#14571](https://github.com/emberjs/ember.js/pull/14571) [BUGFIX] Prevent errors in watching infrastructure for non-object paths.
- [tildeio/router.js#197](https://github.com/tildeio/router.js/pull/197) [BUGFIX] Fix redirects performed during the routers validation stages. Properly handles `replaceWith` / `transitionTo` for initial and subsequent transitions.
- [#14520](https://github.com/emberjs/ember.js/pull/14520) [BUGFIX] Ensure local variables (block params) have higher precedence over helpers.
- [#14156](https://github.com/emberjs/ember.js/pull/14156) [FEATURE ember-glimmer] Enable by default.

### 2.9.1 (November 1, 2016)

- [#14528](https://github.com/emberjs/ember.js/pull/14528) [BUGFIX] Fix memory leak (leaking component instances in the component registry).
- [#14509](https://github.com/emberjs/ember.js/pull/14509) [BUGFIX] Fix overwriting rest positional parameters when passed as named parameters. Allows `link-to` to be used as a contextual component.
- [#14550](https://github.com/emberjs/ember.js/pull/14550) [BUGFIX] Allow canceling items queued by `run.schedule`.

### 2.9.0 (October 17, 2016)

- No changes from 2.8.2.

### 2.8.3 (November 1, 2016)

- [#14528](https://github.com/emberjs/ember.js/pull/14528) [BUGFIX] Fix memory leak (leaking component instances in the component registry).
- [#14509](https://github.com/emberjs/ember.js/pull/14509) [BUGFIX] Fix overwriting rest positional parameters when passed as named parameters. Allows `link-to` to be used as a contextual component.
- [#14550](https://github.com/emberjs/ember.js/pull/14550) [BUGFIX] Allow canceling items queued by `run.schedule`.

### 2.8.2 (October 6, 2016)

- [#14365](https://github.com/emberjs/ember.js/pull/14365) [BUGFIX] Fix an issue with URLs with encoded characters and a trailing slash.
- [#14382](https://github.com/emberjs/ember.js/pull/14382) [BUGFIX] Allow bound `id` on tagless components.
- [#14421](https://github.com/emberjs/ember.js/pull/14421) [BUGFIX] Fix an issue with local components lookup.

### 2.8.1 (September 14, 2016)

- [#14184](https://github.com/emberjs/ember.js/pull/14184) [BUGFIX] Ensure that promises that reject with non Errors (i.e. something without a `.stack`) do not trigger an error during Ember's internal error processing.
- [#14237](https://github.com/emberjs/ember.js/pull/14237) [BUGFIX] Ensure Engine Routes are deactivated before destruction.
- [#14262](https://github.com/emberjs/ember.js/pull/14262) [BUGFIX] Ensure Controller#transitionToRoute and Route#intermediateTransitionTo work in Engines.
- [#14272](https://github.com/emberjs/ember.js/pull/14272) [BUGFIX] Bump router.js to v1.2.1.
- [#14281](https://github.com/emberjs/ember.js/pull/14281) [BUGFIX] Ensure referencing `parentView` in a computed property / observer dependent key (or in the template) does not cause an error during teardown.
- [#14281](https://github.com/emberjs/ember.js/pull/14281) [BUGFIX] Prevent errors from scheduling a rerender (by setting a property in `willDestroyElement`) after a component is destroyed.
- [#14291](https://github.com/emberjs/ember.js/pull/14291) [BUGFIX] Fix component action bubbling semantics. Actions should not bubble out of a component when returning `true`.

### 2.8.0 (September 8, 2016)

- [#14229](https://github.com/emberjs/ember.js/pull/14229) [BUGFIX] Fix boot errors with `location: 'auto'` when using IE9.
- [#14219](https://github.com/emberjs/ember.js/pull/14219) [BUGFIX] Fix issue with template meta (i.e. compiled template `moduleName`) was being mutated during the rendering process.
- [#14159](https://github.com/emberjs/ember.js/pull/14159) [BUGFIX] Fix rendering system cleanup.
- [#14123](https://github.com/emberjs/ember.js/pull/14123) [BUGFIX] Avoid rerendering outlet state during router destruction.
- [#14077](https://github.com/emberjs/ember.js/pull/14077) [BUGFIX] Update route-recognizer.
- [#14087](https://github.com/emberjs/ember.js/pull/14087) [BUGFIX] Check that route handler exists before triggering actions.
- [#14106](https://github.com/emberjs/ember.js/pull/14106) [BUGFIX] Avoid assertion when `id=` is provided to tagless components.
- [#14110](https://github.com/emberjs/ember.js/pull/14110) [BUGFIX] Fix issues with revalidation during teardown.
- [#14117](https://github.com/emberjs/ember.js/pull/14117) [BUGFIX] Call ArrayProxy's content change hooks
- [#14135](https://github.com/emberjs/ember.js/pull/14135) [BUGFIX] Fix issues around Engine setup and teardown.
- [#14140](https://github.com/emberjs/ember.js/pull/14140) [BUGFIX] Ensure component injections happen in engine instances.
- [#14009](https://github.com/emberjs/ember.js/pull/14009) [BUGFIX] Fix usage of `role` when used in `attributeBindings`.
- [#14044](https://github.com/emberjs/ember.js/pull/14044) / [#14062](https://github.com/emberjs/ember.js/pull/14062) / [#14066](https://github.com/emberjs/ember.js/pull/14066) [BUGFIX] Update `router.js` so that `getHandlers` is invoked lazily.
- [#14054](https://github.com/emberjs/ember.js/pull/14054) [BUGFIX] Ensure substates properly work with `resetNamespace`.
- [#14033](https://github.com/emberjs/ember.js/pull/14033) [BUGFIX] Ensure `fillIn` acceptance test helper only sets value to first matched element.
- [#14058](https://github.com/emberjs/ember.js/pull/14058) [BUGFIX] Fix issues related to `Ember.Router.map` changes in 2.7.0.
- [#14068](https://github.com/emberjs/ember.js/pull/14068) [BUGFIX] Prevent errors when clicking a `{{link-to}}` during an existing transition.
- [#13887](https://github.com/emberjs/ember.js/pull/13887) [BUGFIX] Add assertions for illegal component invocations.
- [#13892](https://github.com/emberjs/ember.js/pull/13892) [CLEANUP] Remove `View#createElement` / `View#destroyElement`.
- [#13895](https://github.com/emberjs/ember.js/pull/13895) [BUGFIX] Fix template meta lookup for nested tagless and blockless components.
- [#13911](https://github.com/emberjs/ember.js/pull/13911) [BUGFIX] Avoid using clobbering `.env` property on components.
- [#13913](https://github.com/emberjs/ember.js/pull/13913) [BUGFIX] Disallow paths beginning with @ in templates.
- [#13920](https://github.com/emberjs/ember.js/pull/13920) [BUGFIX] Add more info to the `Ember.Binding` deprecation.
- [#13757](https://github.com/emberjs/ember.js/pull/13757) / [#13773](https://github.com/emberjs/ember.js/pull/13773) [CLEANUP] Remove legacy view layer features.
- [#13819](https://github.com/emberjs/ember.js/pull/13819) [DOC] Add documentation for container (getOwner, etc.)
- [#13855](https://github.com/emberjs/ember.js/pull/13855) [FEATURE ember-string-ishtmlsafe] Enable by defaut.
- [#13855](https://github.com/emberjs/ember.js/pull/13855) [FEATURE ember-application-engines] Enable by default.
- [#13855](https://github.com/emberjs/ember.js/pull/13855) [FEATURE ember-runtime-enumerable-includes] Enable by default.
- [#13855](https://github.com/emberjs/ember.js/pull/13855) [FEATURE ember-testing-check-waiters] Enable by default.

### 2.7.3 (September 6, 2016)

- [#14219](https://github.com/emberjs/ember.js/pull/14219) [BUGFIX] Fix issue with mutating template's metadata.

### 2.7.2 (August 30, 2016)

- [#13895](https://github.com/emberjs/ember.js/pull/13895) [BUGFIX] Fix template meta lookup with tagless and blockless components.
- [#14075](https://github.com/emberjs/ember.js/pull/14075) [BUGFIX] In which we revert route-recognizer to the version used in Ember 2.6. 😢

### 2.7.1 (August 15, 2016)

- [#13920](https://github.com/emberjs/ember.js/pull/13920) [BUGFIX] Add more info to the `Ember.Binding` deprecation.
- [#14058](https://github.com/emberjs/ember.js/pull/14058) [BUGFIX] Fix issues related to `Ember.Router.map` changes in 2.7.0.
- [#14068](https://github.com/emberjs/ember.js/pull/14068) [BUGFIX] Prevent errors when clicking a `{{link-to}}` during an existing transition.

### 2.7.0 (July 25, 2016)

- [#13764](https://github.com/emberjs/ember.js/pull/13764) [BUGFIX] Keep rest positional parameters when nesting contextual components if needed.
- [#13781](https://github.com/emberjs/ember.js/pull/13781) [BUGFIX] Fix NoneLocation#getURL
- [#13797](https://github.com/emberjs/ember.js/pull/13797) [BUGFIX] Ensure didInitAttrs deprecation is stripped in prod.
- [#13768](https://github.com/emberjs/ember.js/pull/13768) [BUGFIX] Update route-recognizer to v0.2.0. This addresses a large number of per-existing bugs related to URL encoding. However, in doing so, it might inevitably break existing workarounds in this area. Please refer to the linked pull request for more details.
- [#13634](https://github.com/emberjs/ember.js/pull/13634) [BUGFIX] Fix issues with rerendering blockless and tagless components.
- [#13605](https://github.com/emberjs/ember.js/pull/13605) [BUGFIX] Ensure `pauseTest` runs after other async helpers.
- [#13655](https://github.com/emberjs/ember.js/pull/13655) [BUGFIX] Make debugging `this._super` much easier (remove manual `.call` / `.apply` optimizations).
- [#13672](https://github.com/emberjs/ember.js/pull/13672) [BUGFIX] Fix issue with `this.render` and `this.disconnectOutlet` in routes.
- [#13716](https://github.com/emberjs/ember.js/pull/13716) [BUGFIX] Ensure that `Ember.Test.waiters` allows access to configured test waiters.
- [#13273](https://github.com/emberjs/ember.js/pull/13273) [BUGFIX] Fix a number of query param related issues reported.
- [#13424](https://github.com/emberjs/ember.js/pull/13424) [DEPRECATE] Deprecate Ember.Binding. See [the deprecation guide](https://emberjs.com/deprecations/v2.x/#toc_ember-binding) for more details.
- [#13599](https://github.com/emberjs/ember.js/pull/13599) [FEATURE] Enable `ember-runtime-computed-uniq-by` feature.

### 2.6.2 (July 11, 2016)

- [#13781](https://github.com/emberjs/ember.js/pull/13781) [BUGFIX] Fix NoneLocation#getURL
- [#13797](https://github.com/emberjs/ember.js/pull/13797) [BUGFIX] Ensure didInitAttrs deprecation is stripped in prod.

### 2.6.1 (June 27, 2016)

- [#13634](https://github.com/emberjs/ember.js/pull/13634) [BUGFIX] Fix issues with rerendering blockless and tagless components.
- [#13655](https://github.com/emberjs/ember.js/pull/13655) [BUGFIX] Make debugging `this._super` much easier (remove manual `.call` / `.apply` optimizations).
- [#13672](https://github.com/emberjs/ember.js/pull/13672) [BUGFIX] Fix issue with `this.render` and `this.disconnectOutlet` in routes.

### 2.6.0 (June 8, 2016)

- [#13520](https://github.com/emberjs/ember.js/pull/13520) [BUGFIX] Fixes issues with `baseURL` and `rootURL` in `Ember.HistoryLocation` and ensures that `Ember.NoneLocation` properly handles `rootURL`.
- [#13590](https://github.com/emberjs/ember.js/pull/13590) [BUGFIX] Avoid `_lazyInjections` in production builds.
- [#13442](https://github.com/emberjs/ember.js/pull/13442) [BUGFIX] Revert `Ember.Handlebars.SafeString` deprecation.
- [#13449](https://github.com/emberjs/ember.js/pull/13449) [BUGFIX] Ensure that `Ember.get(null, 'foo')` returns `undefined`.
- [#13465](https://github.com/emberjs/ember.js/pull/13465) [BUGFIX] Propagate loc information for inline link-to transform.
- [#13461](https://github.com/emberjs/ember.js/pull/13461) [BUGFIX] Prevent `Ember.get` from attempting to retrieve properties on primitive objects.
- [#13418](https://github.com/emberjs/ember.js/pull/13418) [BUGFIX] Ensure that passing `run.later` a timeout value of `NaN` does not break all future
  timers.
- [#13435](https://github.com/emberjs/ember.js/pull/13435) [BUGFIX] Fix positional parameters when used with component helper.
- [#13438](https://github.com/emberjs/ember.js/pull/13438) [BUGFIX] Ensure custom components extending from `Ember.LinkComponent` can operate
  in both block and inline form.
- [#13356](https://github.com/emberjs/ember.js/pull/13356) [BUGFIX] Update `Registry#has` to always return true/false.
- [#13359](https://github.com/emberjs/ember.js/pull/13359) [BUGFIX] Fix `{{if}}` and `{{unless}}` subexpression sometimes not updating.
- [#13344](https://github.com/emberjs/ember.js/pull/13344) [BUGFIX] Revert `Ember.merge` deprecation.
- [#13335](https://github.com/emberjs/ember.js/pull/13335) [BUGFIX] Ensure injected property assertion checks `container`. Fixes issues
  with usage of objects created by older addons that are attempting to use `Ember.inject.service()`.
- [#13333](https://github.com/emberjs/ember.js/pull/13333) [BUGFIX] Prevent the `toString` property from being added to the objects own
  properties. Fixes scenarios where the list of own properties changed in debug builds.
- [#13327](https://github.com/emberjs/ember.js/pull/13327) [CLEANUP] Remove deprecate-test-as-function deprecation.
- [#13326](https://github.com/emberjs/ember.js/pull/13326) [CLEANUP] Remove `View.prototype.currentState` deprecation.
- [#13315](https://github.com/emberjs/ember.js/pull/13315) [CLEANUP] Remove legacy view related exports.
- [#13310](https://github.com/emberjs/ember.js/pull/13310) [BUGFIX] Fix `mouseenter` typo in ember-testing helpers.
- [#13314](https://github.com/emberjs/ember.js/pull/13314) [CLEANUP] Remove Metamorph view and mixin.
- [#13144](https://github.com/emberjs/ember.js/pull/13144) / [#13195](https://github.com/emberjs/ember.js/pull/13195) / [#13193](https://github.com/emberjs/ember.js/pull/13193) [CLEANUP] Remove support for `ember-legacy-views` addon.
- [#13192](https://github.com/emberjs/ember.js/pull/13192) [CLEANUP] Remove support for `ember-legacy-controllers` addon.
- [#13295](https://github.com/emberjs/ember.js/pull/13295) [CLEANUP] Disable `render` helper in block form.
- [#13204](https://github.com/emberjs/ember.js/pull/13204) [DEPRECATE] Deprecate Ember.Handlebars.SafeString in favor of Ember.String.htmlSafe
- [#13207](https://github.com/emberjs/ember.js/pull/13207) [DEPRECATE] Depreacte `didInitAttrs` in components
- [#13268](https://github.com/emberjs/ember.js/pull/13268) [DEPRECATE] Deprecate usage of `{{render}}` helper with a model param
- [#13285](https://github.com/emberjs/ember.js/pull/13285) [BUGFIX] Make `Enumerable#firstObject` read only.
- [#13289](https://github.com/emberjs/ember.js/pull/13289) [BUGFIX] Make `Enumerable#lastObject` read only.

### 2.5.1 (April 21, 2016)

- [#13310](https://github.com/emberjs/ember.js/pull/13310) [BUGFIX] Fix `mouseenter` typo in ember-testing helpers.
- [#13333](https://github.com/emberjs/ember.js/pull/13333) [BUGFIX] Prevent the `toString` property from being added to the objects own
  properties. Fixes scenarios where the list of own properties changed in debug builds.
- [#13335](https://github.com/emberjs/ember.js/pull/13335) [BUGFIX] Ensure injected property assertion checks `container`. Fixes issues
  with usage of objects created by older addons that are attempting to use `Ember.inject.service()`.
- [#13344](https://github.com/emberjs/ember.js/pull/13344) [BUGFIX] Revert `Ember.merge` deprecation.

### 2.5.0 (April 11, 2016)

- [#13239](https://github.com/emberjs/ember.js/pull/13239) [BUGFIX] Prevent warnings for unknown feature flags
- [#13287](https://github.com/emberjs/ember.js/pull/13287) [BUGFIX] Fix a recent regression with `Ember.A(null)`
- [#13290](https://github.com/emberjs/ember.js/pull/13290) [BUGFIX] `isStream` is no longer a reserved property name in Components
- [#13294](https://github.com/emberjs/ember.js/pull/13294) [DEPRECATE] Deprecate usage of `{{render}}` with a block
- [#13031](https://github.com/emberjs/ember.js/pull/13031) [BUGFIX] Fix mergedProperties at create time modifying proto
- [#13049](https://github.com/emberjs/ember.js/pull/13049) [BUGFIX] Fixes `{{#with proxy as |foo|}}`
- [#12829](https://github.com/emberjs/ember.js/pull/12829) [BUGFIX] Support tagless components in fastboot
- [#12575](https://github.com/emberjs/ember.js/pull/12575) [FEATURE] Make acceptance helpers fire native events instead of jQuery ones.
- [#12929](https://github.com/emberjs/ember.js/pull/12929) [BUGFIX] Fix bug causing an initial capital to be interpreted as a global.
- [#12928](https://github.com/emberjs/ember.js/pull/12928) [FEATURE ember-htmlbars-component-generation] Remove feature.
- [#13024](https://github.com/emberjs/ember.js/pull/13024) [BUGFIX] Change internal async acceptance test helpers to be somewhat more efficient in determining router transition status.
- [FEATURE] Add helper method named `Ember.assign` to roughly emulate `Object.assign`.

### 2.4.5 (April 11, 2016)

- [#13239](https://github.com/emberjs/ember.js/pull/13239) [BUGFIX] Prevent warnings for unknown feature flags.
- [#13294](https://github.com/emberjs/ember.js/pull/13294) [DEPRECATE] Deprecate usage of `{{render}}` with a block.

### 2.4.4 (April 3, 2016)

- [#13177](https://github.com/emberjs/ember.js/pull/13177) [BUGFIX] Allow contextual component attributes are mutable (allowing for two way binding).
- [#13185](https://github.com/emberjs/ember.js/pull/13185) [BUGFIX] Ensure `{{render}}` sets up target properly (fixes issues with `{{render}}`'ed templates using actions).
- [#13202](https://github.com/emberjs/ember.js/pull/13202) [BUGFIX] Merge in active transition QPs when doing a transition.
- [#13218](https://github.com/emberjs/ember.js/pull/13218) [BUGFIX] Do not refresh routes on initial transition.
- [#13228](https://github.com/emberjs/ember.js/pull/13228) [BUGFIX] re-enable link-to when disabledWhen changes values.

### 2.4.3 (March 17, 2016)

- [#13118](https://github.com/emberjs/ember.js/pull/13118) [BUGFIX] Work around Chrome 49/50 optimization bug affecting helper usage.

### 2.4.2 (March 8, 2016)

- [#13031](https://github.com/emberjs/ember.js/pull/13031) [BUGFIX] Fix mergedProperties at create time modifying proto
- [#13049](https://github.com/emberjs/ember.js/pull/13049) [BUGFIX] Fixes `{{#with proxy as |foo|}}`

### 2.4.1 (February 29, 2016)

- [#13030](https://github.com/emberjs/ember.js/pull/13030) [BUGFIX] Fix legacy addon deprecations

### 2.4.0 (February 29, 2016)

- [#12996](https://github.com/emberjs/ember.js/pull/12996) [BUGFIX] Fixes 12995 #with array yields true
- [#13013](https://github.com/emberjs/ember.js/pull/13013) [BUGFIX] Do not set model on `{{render}}` rerender when only a single argument was provided.
- [#13015](https://github.com/emberjs/ember.js/pull/13015) Add deprecation when legacy addon flag is enabled.
- [#12922](https://github.com/emberjs/ember.js/pull/12922) [BUGFIX] Special case `{{#with}}` for `isTruthy`
- [#12934](https://github.com/emberjs/ember.js/pull/12934) [BUGFIX] Ensure `Route#transitionTo` returns a `Transition` object.
- [#12941](https://github.com/emberjs/ember.js/pull/12941) [BUGFIX] Update Backburner to latest ([compare view](https://github.com/ebryn/backburner.js/compare/22a4df33f23c40257bc49972e5833038452ded2e...325a969dbc7eae42dc1edfbf0ae9fb83923df5a6)).
- [#12939](https://githu