[DO NOT MERGE] the delta between main and what we're experimenting with that needs a bunch of RFCs first

.github/workflows/ci.yml

@@ -6,6 +6,7 @@ on:
       - main
       - beta
       - release
+      - next
       # release branches
       - release*
       - lts*
@@ -238,8 +239,8 @@ jobs:
         blueprint-test,
         browser-test,
       ]
-    # Only run on pushes to branches that are not from the cron workflow
-    if: github.event_name == 'push' && contains(github.ref, 'cron') != true
+    # Only run on pushes to branches that are not from the cron workflow or the next branch
+    if: github.event_name == 'push' && contains(github.ref, 'cron') != true && contains(github.ref, 'next') != true
     steps:
       - uses: actions/checkout@v4
       - uses: ./.github/actions/setup

broccoli/amd-compat-entrypoints/ember.debug.js

@@ -56,36 +56,6 @@ d('@ember/-internals/runtime/index', emberinternalsRuntimeIndex);
 import * as emberinternalsRuntimeLibExtRsvp from '@ember/-internals/runtime/lib/ext/rsvp';
 d('@ember/-internals/runtime/lib/ext/rsvp', emberinternalsRuntimeLibExtRsvp);
 
-import * as emberinternalsRuntimeLibMixinsproxy from '@ember/-internals/runtime/lib/mixins/-proxy';
-d('@ember/-internals/runtime/lib/mixins/-proxy', emberinternalsRuntimeLibMixinsproxy);
-
-import * as emberinternalsRuntimeLibMixinsActionHandler from '@ember/-internals/runtime/lib/mixins/action_handler';
-d(
-  '@ember/-internals/runtime/lib/mixins/action_handler',
-  emberinternalsRuntimeLibMixinsActionHandler
-);
-
-import * as emberinternalsRuntimeLibMixinsComparable from '@ember/-internals/runtime/lib/mixins/comparable';
-d('@ember/-internals/runtime/lib/mixins/comparable', emberinternalsRuntimeLibMixinsComparable);
-
-import * as emberinternalsRuntimeLibMixinsContainerProxy from '@ember/-internals/runtime/lib/mixins/container_proxy';
-d(
-  '@ember/-internals/runtime/lib/mixins/container_proxy',
-  emberinternalsRuntimeLibMixinsContainerProxy
-);
-
-import * as emberinternalsRuntimeLibMixinsRegistryProxy from '@ember/-internals/runtime/lib/mixins/registry_proxy';
-d(
-  '@ember/-internals/runtime/lib/mixins/registry_proxy',
-  emberinternalsRuntimeLibMixinsRegistryProxy
-);
-
-import * as emberinternalsRuntimeLibMixinsTargetActionSupport from '@ember/-internals/runtime/lib/mixins/target_action_support';
-d(
-  '@ember/-internals/runtime/lib/mixins/target_action_support',
-  emberinternalsRuntimeLibMixinsTargetActionSupport
-);
-
 import * as emberinternalsStringIndex from '@ember/-internals/string/index';
 d('@ember/-internals/string/index', emberinternalsStringIndex);
 
@@ -110,9 +80,6 @@ d(
 import * as emberinternalsViewsLibComponentLookup from '@ember/-internals/views/lib/component_lookup';
 d('@ember/-internals/views/lib/component_lookup', emberinternalsViewsLibComponentLookup);
 
-import * as emberinternalsViewsLibMixinsActionSupport from '@ember/-internals/views/lib/mixins/action_support';
-d('@ember/-internals/views/lib/mixins/action_support', emberinternalsViewsLibMixinsActionSupport);
-
 import * as emberinternalsViewsLibSystemActionManager from '@ember/-internals/views/lib/system/action_manager';
 d('@ember/-internals/views/lib/system/action_manager', emberinternalsViewsLibSystemActionManager);
 
@@ -143,21 +110,12 @@ d('@ember/application/lib/lazy_load', emberApplicationLibLazyLoad);
 import * as emberApplicationNamespace from '@ember/application/namespace';
 d('@ember/application/namespace', emberApplicationNamespace);
 
-import * as emberArrayinternals from '@ember/array/-internals';
-d('@ember/array/-internals', emberArrayinternals);
-
 import * as emberArrayIndex from '@ember/array/index';
 d('@ember/array/index', emberArrayIndex);
 
 import * as emberArrayLibMakeArray from '@ember/array/lib/make-array';
 d('@ember/array/lib/make-array', emberArrayLibMakeArray);
 
-import * as emberArrayMutable from '@ember/array/mutable';
-d('@ember/array/mutable', emberArrayMutable);
-
-import * as emberArrayProxy from '@ember/array/proxy';
-d('@ember/array/proxy', emberArrayProxy);
-
 import * as emberCanaryFeaturesIndex from '@ember/canary-features/index';
 d('@ember/canary-features/index', emberCanaryFeaturesIndex);
 
@@ -215,12 +173,6 @@ d('@ember/engine/instance', emberEngineInstance);
 import * as emberEngineLibEngineParent from '@ember/engine/lib/engine-parent';
 d('@ember/engine/lib/engine-parent', emberEngineLibEngineParent);
 
-import * as emberEnumerableIndex from '@ember/enumerable/index';
-d('@ember/enumerable/index', emberEnumerableIndex);
-
-import * as emberEnumerableMutable from '@ember/enumerable/mutable';
-d('@ember/enumerable/mutable', emberEnumerableMutable);
-
 import * as emberHelperIndex from '@ember/helper/index';
 d('@ember/helper/index', emberHelperIndex);
 
@@ -242,9 +194,6 @@ d('@ember/object/computed', emberObjectComputed);
 import * as emberObjectCore from '@ember/object/core';
 d('@ember/object/core', emberObjectCore);
 
-import * as emberObjectEvented from '@ember/object/evented';
-d('@ember/object/evented', emberObjectEvented);
-
 import * as emberObjectEvents from '@ember/object/events';
 d('@ember/object/events', emberObjectEvents);
 
@@ -257,24 +206,12 @@ d('@ember/object/internals', emberObjectInternals);
 import * as emberObjectLibComputedComputedMacros from '@ember/object/lib/computed/computed_macros';
 d('@ember/object/lib/computed/computed_macros', emberObjectLibComputedComputedMacros);
 
-import * as emberObjectLibComputedReduceComputedMacros from '@ember/object/lib/computed/reduce_computed_macros';
-d('@ember/object/lib/computed/reduce_computed_macros', emberObjectLibComputedReduceComputedMacros);
-
 import * as emberObjectMixin from '@ember/object/mixin';
 d('@ember/object/mixin', emberObjectMixin);
 
-import * as emberObjectObservable from '@ember/object/observable';
-d('@ember/object/observable', emberObjectObservable);
-
 import * as emberObjectObservers from '@ember/object/observers';
 d('@ember/object/observers', emberObjectObservers);
 
-import * as emberObjectPromiseProxyMixin from '@ember/object/promise-proxy-mixin';
-d('@ember/object/promise-proxy-mixin', emberObjectPromiseProxyMixin);
-
-import * as emberObjectProxy from '@ember/object/proxy';
-d('@ember/object/proxy', emberObjectProxy);
-
 import * as emberOwnerIndex from '@ember/owner/index';
 d('@ember/owner/index', emberOwnerIndex);
 

package.json

@@ -99,12 +99,14 @@
     "ember-cli-typescript-blueprint-polyfill": "^0.1.0",
     "ember-cli-version-checker": "^5.1.2",
     "ember-router-generator": "^2.0.0",
+    "ember-tracked-storage-polyfill": "^1.0.0",
     "inflection": "^2.0.1",
     "route-recognizer": "^0.3.4",
     "router_js": "^8.0.5",
     "semver": "^7.5.2",
     "silent-error": "^1.1.1",
-    "simple-html-tokenizer": "^0.5.11"
+    "simple-html-tokenizer": "^0.5.11",
+    "tracked-built-ins": "^4.0.0"
   },
   "devDependencies": {
     "@aws-sdk/client-s3": "^3.731.0",
@@ -209,20 +211,13 @@
       "@ember/-internals/routing/index.js": "ember-source/@ember/-internals/routing/index.js",
       "@ember/-internals/runtime/index.js": "ember-source/@ember/-internals/runtime/index.js",
       "@ember/-internals/runtime/lib/ext/rsvp.js": "ember-source/@ember/-internals/runtime/lib/ext/rsvp.js",
-      "@ember/-internals/runtime/lib/mixins/-proxy.js": "ember-source/@ember/-internals/runtime/lib/mixins/-proxy.js",
-      "@ember/-internals/runtime/lib/mixins/action_handler.js": "ember-source/@ember/-internals/runtime/lib/mixins/action_handler.js",
-      "@ember/-internals/runtime/lib/mixins/comparable.js": "ember-source/@ember/-internals/runtime/lib/mixins/comparable.js",
-      "@ember/-internals/runtime/lib/mixins/container_proxy.js": "ember-source/@ember/-internals/runtime/lib/mixins/container_proxy.js",
-      "@ember/-internals/runtime/lib/mixins/registry_proxy.js": "ember-source/@ember/-internals/runtime/lib/mixins/registry_proxy.js",
-      "@ember/-internals/runtime/lib/mixins/target_action_support.js": "ember-source/@ember/-internals/runtime/lib/mixins/target_action_support.js",
       "@ember/-internals/string/index.js": "ember-source/@ember/-internals/string/index.js",
       "@ember/-internals/utility-types/index.js": "ember-source/@ember/-internals/utility-types/index.js",
       "@ember/-internals/utils/index.js": "ember-source/@ember/-internals/utils/index.js",
       "@ember/-internals/views/index.js": "ember-source/@ember/-internals/views/index.js",
       "@ember/-internals/views/lib/compat/attrs.js": "ember-source/@ember/-internals/views/lib/compat/attrs.js",
       "@ember/-internals/views/lib/compat/fallback-view-registry.js": "ember-source/@ember/-internals/views/lib/compat/fallback-view-registry.js",
       "@ember/-internals/views/lib/component_lookup.js": "ember-source/@ember/-internals/views/lib/component_lookup.js",
-      "@ember/-internals/views/lib/mixins/action_support.js": "ember-source/@ember/-internals/views/lib/mixins/action_support.js",
       "@ember/-internals/views/lib/system/action_manager.js": "ember-source/@ember/-internals/views/lib/system/action_manager.js",
       "@ember/-internals/views/lib/system/event_dispatcher.js": "ember-source/@ember/-internals/views/lib/system/event_dispatcher.js",
       "@ember/-internals/views/lib/system/utils.js": "ember-source/@ember/-internals/views/lib/system/utils.js",
@@ -232,12 +227,9 @@
       "@ember/application/instance.js": "ember-source/@ember/application/instance.js",
       "@ember/application/lib/lazy_load.js": "ember-source/@ember/application/lib/lazy_load.js",
       "@ember/application/namespace.js": "ember-source/@ember/application/namespace.js",
-      "@ember/array/-internals.js": "ember-source/@ember/array/-internals.js",
       "@ember/array/index.js": "ember-source/@ember/array/index.js",
       "@ember/array/lib/make-array.js": "ember-source/@ember/array/lib/make-array.js",
       "@ember/array/make.js": "ember-source/@ember/array/make.js",
-      "@ember/array/mutable.js": "ember-source/@ember/array/mutable.js",
-      "@ember/array/proxy.js": "ember-source/@ember/array/proxy.js",
       "@ember/canary-features/index.js": "ember-source/@ember/canary-features/index.js",
       "@ember/component/helper.js": "ember-source/@ember/component/helper.js",
       "@ember/component/index.js": "ember-source/@ember/component/index.js",
@@ -259,8 +251,6 @@
       "@ember/engine/instance.js": "ember-source/@ember/engine/instance.js",
       "@ember/engine/lib/engine-parent.js": "ember-source/@ember/engine/lib/engine-parent.js",
       "@ember/engine/parent.js": "ember-source/@ember/engine/parent.js",
-      "@ember/enumerable/index.js": "ember-source/@ember/enumerable/index.js",
-      "@ember/enumerable/mutable.js": "ember-source/@ember/enumerable/mutable.js",
       "@ember/helper/index.js": "ember-source/@ember/helper/index.js",
       "@ember/instrumentation/index.js": "ember-source/@ember/instrumentation/index.js",
       "@ember/modifier/index.js": "ember-source/@ember/modifier/index.js",
@@ -269,17 +259,13 @@
       "@ember/object/compat.js": "ember-source/@ember/object/compat.js",
       "@ember/object/computed.js": "ember-source/@ember/object/computed.js",
       "@ember/object/core.js": "ember-source/@ember/object/core.js",
-      "@ember/object/evented.js": "ember-source/@ember/object/evented.js",
       "@ember/object/events.js": "ember-source/@ember/object/events.js",
       "@ember/object/index.js": "ember-source/@ember/object/index.js",
       "@ember/object/internals.js": "ember-source/@ember/object/internals.js",
       "@ember/object/lib/computed/computed_macros.js": "ember-source/@ember/object/lib/computed/computed_macros.js",
       "@ember/object/lib/computed/reduce_computed_macros.js": "ember-source/@ember/object/lib/computed/reduce_computed_macros.js",
       "@ember/object/mixin.js": "ember-source/@ember/object/mixin.js",
-      "@ember/object/observable.js": "ember-source/@ember/object/observable.js",
       "@ember/object/observers.js": "ember-source/@ember/object/observers.js",
-      "@ember/object/promise-proxy-mixin.js": "ember-source/@ember/object/promise-proxy-mixin.js",
-      "@ember/object/proxy.js": "ember-source/@ember/object/proxy.js",
       "@ember/owner/index.js": "ember-source/@ember/owner/index.js",
       "@ember/renderer/index.js": "ember-source/@ember/renderer/index.js",
       "@ember/routing/-internals.js": "ember-source/@ember/routing/-internals.js",
@@ -388,7 +374,8 @@
       "ember/version.js": "ember-source/ember/version.js",
       "route-recognizer/index.js": "ember-source/route-recognizer/index.js",
       "router_js/index.js": "ember-source/router_js/index.js",
-      "rsvp/index.js": "ember-source/rsvp/index.js"
+      "rsvp/index.js": "ember-source/rsvp/index.js",
+      "tracked-built-ins/index.js": "ember-source/tracked-built-ins/index.js"
     }
   },
   "typesVersions": {

packages/@ember/-internals/glimmer/lib/component-managers/curly.ts

@@ -239,7 +239,7 @@ export default class CurlyComponentManager
   /*
    * This hook is responsible for actually instantiating the component instance.
    * It also is where we perform additional bookkeeping to support legacy
-   * features like exposed by view mixins like ChildViewSupport, ActionSupport,
+   * features like exposed by view mixins like ChildViewSupport,
    * etc.
    */
   create(