#12036 Cleanup CP Set and Volatile
#11993 [CLEANUP] Remove Ember.TrackedArray and Ember.SubArray.
#11550 [BUGFIX] Ensure that specifying an observer in a child class only observes changes to the childs dependent keys.
#10259 [BUGFIX] Make Ember.computed.or return the last falsey value (similar to ||).
#11957 [BUGFIX] Enable Ember.DefaultResolver to properly normalize hyphens (-).
#11969 / #11959 [DEPRECATE] Deprecate usage of Ember.String.fmt.
#11990 [PERF] @each should remain a stable node for chains.
#11964 [BUGFIX] Update htmlbars to v0.14.2.
#11965 [CLEANUP] Remove Ember.HTMLBars.makeViewHelper.
#11965 [CLEANUP] Remove Ember.HTMLBars._registerHelper.
#11965 [CLEANUP] Remove Ember.Handlebars.registerHelper.
#11965 [CLEANUP] Remove Ember.Handlebars.makeBoundHelper.
#11965 [CLEANUP] Remove Ember.Handlebars.makeViewHelper.
#11965 [CLEANUP] Remove Ember.Handlebars.helper.
#11965 [CLEANUP] Remove Ember.Handlebars.registerBoundHelper.
#12024 [CLEANUP] Remove ComponentTemplateDeprecation mixin.
#12001 [CLEANUP] Remove {{with}} keyword's controller option.
#12027 [CLEANUP] Remove deprecated template access in Ember.Component.
#12019 [DOC] Add helpful assertion when using @each as a leaf in DK.
#12020 [CLEANUP] Remove specifying .render method to views and components.
#12027 [CLEANUP] Remove positionalParams specified to Ember.Component at extend time.
#12027 [CLEANUP] Remove support for specifying template in a component.
#12027 [CLEANUP] Remove deprecated template access in Ember.Component.
#12028 [CLEANUP] Store actions in actions not _actions.
#11854 [CLEANUP] Remove length from OrderedSet and Map.
#11854 [CLEANUP] Remove OrderedSet.prototype.length.
#11854 [CLEANUP] Remove Ember.libraries.each.
#11854 [CLEANUP] Remove deprecated special {{each}} keys.
#11854 [CLEANUP] Remove Ember.Location.registerImplementation.
#11854 [CLEANUP] Remove {{template}} support.
#11854 [CLEANUP] Remove Ember.Route#setupControllers deprecation.
#11854 [CLEANUP] Remove Ember.Route#renderTemplates deprecation.
#11845 [CLEANUP] Remove Ember.Application#initialize.
#11845 [CLEANUP] Remove support for Ember.Application.resolver.
#11845 [CLEANUP] Remove support for resolver without normalize.
#11845 [CLEANUP] Remove IE6 & IE7 deprecation.
#11845 [CLEANUP] Remove returning string of attrs from helper support.
#11845 [CLEANUP] Remove support for returning string of attrs from helper.
#11845 [CLEANUP] Remove support for view and viewClass with {{outlet}}.
#11771 [CLEANUP] Remove deprecated Controller#controllerFor.
#11750 [CLEANUP] Remove metaPath, getMeta and setMeta.
#11854 [CLEANUP] Lots of deprecation removals.
#11820 [CLEANUP] Remove sendEvent hook.
#11815 [CLEANUP] Remove {chainWatchers: null} from Meta.prototype.
#11819 [CLEANUP] Abstract chainWatchers into an object.
#11824 Revert "[CLEANUP] Remove support for reversed args in Ember.observer.
#11822 [BUGFIX] Deprecate currentWhen with {{link-to}}.
#11838 [CLEANUP] Only register Ember.ContainerView when legacy view support enabled.
#11852 [CLEANUP] Remove Ember.RenderBuffer.
#11853 [CLEANUP] Remove deprecated Registry and Container behavior.
#11850 [CLEANUP] Remove context switching {{each}} helper variant.
#11878 [BUGFIX] Fix issue with QP routes named after Object.prototype properties.
#11903 [BUGFIX] Upgrade RSVP + Backburner. Fixes a number of scenarios around testing rejected promise scenarios.
#11914 [CLEANUP] Remove Ember.oneWay.
#11895 [BUGFIX] Properly detect if the environment is Node.
#11897 [CLEANUP] Remove globals lookup from templates.
#11777 [CLEANUP] Remove context switching form of {{#each model}}{{/each}}, use {{#each model as |item|}}{{/each}} instead.
#11484 [CLEANUP] Remove Ember.ArrayController support, use ember-legacy-controllers addon for support until 2.4.
#11782 [CLEANUP] Remove support for reversed args in Ember.observer.
#11722 [BUGFIX] Provide a better error when InjectedProperty is misused.
#11691 [BUGFIX] {{get}} helper subscribes to values and can be updated.
#11792 [CLEANUP] Remove Application#then support.
#11737 [BUGFIX] Ensure this context inside former reduced computed macros is correct.
#11790 [CLEANUP] Remove context switching {{with foo}} support.
#11754 [CLEANUP] Remove emptyView="Global.foo" for Ember.View instances.
#11746 [CLEANUP] Cleanup Ember.get:
Remove support for globals: Ember.get('App.foo') and Ember.get(null, 'App.foo').
Remove support for this: Ember.get(object, 'this.foo').
Enforce strict usage with two arguments: Ember.get(object, path).
Assert object is a non-null object & path is a string.
#11761 [CLEANUP] Cleanup Ember.set:
Removes support for set with global paths.
Removes support for set with 'this' paths.
Removes support for set with null as first parameter.
Path must be a string.
Requires set to be passed in three or four arguments.
#11797 [CLEANUP] Move support of itemController, itemViewClass, itemView, etc into ember-legacy-views addon.
#11776 [CLEANUP] Remove deprecated support for {{each foo as bar}}.
#11770 [CLEANUP] Remove deprecated Controller#needs, use Ember.inject.controller() instead.
#11800 [CLEANUP] Move support of {{view}} helper into ember-legacy-views addon.
#11804 [CLEANUP] Remove EmberObject.createWithMixins.
#11786 [CLEANUP] Remove {{with foo as bar}} support.
#11805 [CLEANUP] Remove deprecated anyBy, everyProperty, and some.
#11788 [CLEANUP] Remove slash for a namespace in the {{render}} helper
#11791 [CLEANUP] Remove support for actions in events key.
#11794 [CLEANUP] Move Ember.View and Ember.CoreView into ember-legacy-views addon.
#11796 [CLEANUP] Remove Ember.beforeObserver, Ember.addBeforeObserver, Ember.removeBeforeObserver, Ember.beforeObserversFor, Ember._suspendBeforeObserver, Ember._suspendBeforeObservers, and Function.prototype.observesBefore.
#11806 [CLEANUP] Remove deprecated Controller#transitionTo and Controller#replaceWith.
#11807 [CLEANUP] Remove deprecated Ember.Handlebars.get.
#11808 [CLEANUP] Remove deprecated Binding#oneWay.
#11809 [CLEANUP] Remove deprecated Map#remove.
#11213 [CLEANUP] Remove chaining in Observable.set
#11438 [CLEANUP] Remove CP semantics
#11447 [CLEANUP] Remove Ember.Set (not Ember.set).
#11443 [CLEANUP] Remove Ember.LinkView.
#11439 [CLEANUP] Remove computed macros.
#11648 [CLEANUP] Remove Ember.computed.mapProperty.
#11460 [CLEANUP] Remove Object.create polyfill.
#11448 [CLEANUP] Remove Ember.DeferredMixin.
#11458 [CLEANUP] Remove Ember.ArrayPolyfils.
#11449 [CLEANUP] Remove Ember.RSVP.prototype.fail.
#11459 [CLEANUP] Remove Ember.keys.
#11456 [CLEANUP] Remove Ember.View.prototype.state &Ember.View.prototype._states`.
#11455 [CLEANUP] Remove Ember.EnumerableUtils.
#11462 [CLEANUP] Remove Object.defineProperty polyfill.
#11517 [DEPRECATION] Deprecate this.resource in Router.map.
#11479 [CLEANUP] Remove Ember.ObjectController.
#11513 [BUGFIX] Replace array computed macros with plain array versions.
#11513 [CLEANUP] Remove Ember.arrayComputed, Ember.reduceComputed, Ember.ArrayComputed, and Ember.ReduceComputed.
#11547 [CLEANUP] Remove work around for Safari's double finally on error bug.
#11528 [BUGFIX] Add helpful assertion when using Ember.computed.map without a function callback.
#11528 [BUGFIX] Add helpful assertion when using Ember.computed.mapBy without a string property name.
#11587 [CLEANUP] Remove {{bind-attr}}.
#11611 [CLEANUP] Remove Ember.computed.filterProperty.
#11608 [CLEANUP] Remove {{linkTo}} helper (not {{link-to}}).
#11706 [CLEANUP] Remove Enumerable.rejectProperty.
#11708 [BUGFIX] Update fillIn test helper to trigger the input event.
#11710 Add repository field to package.json
#11700 [CLEANUP] Removes Enumerable.findProperty.
#11707 [CLEANUP] Remove Enumerable.everyBy.
#10701 Refactor lazyGet.
#11262 Fix basic Fastboot usage.
#11375 Transition feature flag infrastructure to modules.
#11383 Update {{each-in}} to use ember-metal/should-display.
#11396 Make Ember.Checkbox extend from Ember.Component.
