Ember v2.0.0-beta.4 发布，更新内容如下：

• #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.

下载：https://github.com/emberjs/ember.js/archive/v2.0.0-beta.4.zip。

同时发布了 Ember v1.13.6 版本，更新内容如下：

• #11900 [DEPRECATION] Deprecate Ember.Handlebars.makeViewHelper.

• #11900 [DEPRECATION] Deprecate Ember.HTMLBars.makeViewHelper.

• #11900 [DEPRECATION] Deprecate Ember.HTMLBars._registerHelper (manual registration is no longer needed).

• #11900 [DEPRECATION] Deprecate Ember.HTMLBars.makeBoundHelper in favor of Ember.Helper.helper.

• #11900 [DEPRECATION] Deprecate Ember.Handlebars.makeBoundHelper in favor of Ember.Helper.helper.

• #11900 [DEPRECATION] Deprecate Ember.Handlebars.registerBoundHelper in favor of Ember.Helper.helper.

• #11900 [DEPRECATION] Deprecate Ember.Handlebars.helper in favor of Ember.Helper.helper and automatic helper resolution.

• #11900 [DEPRECATION] Deprecate Ember.Handlebars.registerHelper in favor of Ember.Helper.helper and automatic helper resolution.

• #11832 [BUGFIX] Fix memory leaks with application creation and acceptance test helpers.

• #11826 [DEPRECATION] Deprecate Ember.ContainerView

• #11864 [BUGFIX] Ensure acceptance test helpers are removed during teardown.

• #11861 [BUGFIX] Update HTMLBars to allow duplicate {{each}} keys.

• #11889 [BUGFIX] Fix attributeBindings for id attribute.

• #11866 [BUGFIX] Fix DeprecatedView (and friends) reopen function to delegate to original.

• #11891 [DEPRECATION] Deprecate Ember.CollectionView

• #11910 [BUGFIX] Ensure Ember.CollectionView.CONTAINER_MAP is present on deprecated CollectionView.

• #11917 [BUGFIX] Ensure "use strict"; is properly added for modules.

• #11934 [DEPRECATION] Deprecate specifying positionalParams at extend time in favor of using static factory properties.

• #11935 [BUGFIX] Avoid unnecessary change events during initial render.

下载：https://github.com/emberjs/ember.js/archive/v1.13.6.zip。