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。
来自:开源中国社区
