diff --git a/package.json b/package.json
index 9aaf940c7d2..925715ff222 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "@babel/helper-module-imports": "^7.16.0",
     "@babel/plugin-transform-block-scoping": "^7.16.0",
     "@ember/edition-utils": "^1.2.0",
-    "@glimmer/vm-babel-plugins": "0.80.2",
+    "@glimmer/vm-babel-plugins": "0.83.1",
     "babel-plugin-debug-macros": "^0.3.4",
     "babel-plugin-filter-imports": "^4.0.0",
     "broccoli-concat": "^4.2.5",
@@ -73,19 +73,19 @@
   },
   "devDependencies": {
     "@babel/preset-env": "^7.9.5",
-    "@glimmer/compiler": "0.80.2",
-    "@glimmer/destroyable": "0.80.2",
+    "@glimmer/compiler": "0.83.1",
+    "@glimmer/destroyable": "0.83.1",
     "@glimmer/env": "^0.1.7",
-    "@glimmer/global-context": "0.80.2",
-    "@glimmer/interfaces": "0.80.2",
-    "@glimmer/manager": "0.80.2",
-    "@glimmer/node": "0.80.2",
-    "@glimmer/opcode-compiler": "0.80.2",
-    "@glimmer/owner": "0.80.2",
-    "@glimmer/program": "0.80.2",
-    "@glimmer/reference": "0.80.2",
-    "@glimmer/runtime": "0.80.2",
-    "@glimmer/validator": "0.80.2",
+    "@glimmer/global-context": "0.83.1",
+    "@glimmer/interfaces": "0.83.1",
+    "@glimmer/manager": "0.83.1",
+    "@glimmer/node": "0.83.1",
+    "@glimmer/opcode-compiler": "0.83.1",
+    "@glimmer/owner": "0.83.1",
+    "@glimmer/program": "0.83.1",
+    "@glimmer/reference": "0.83.1",
+    "@glimmer/runtime": "0.83.1",
+    "@glimmer/validator": "0.83.1",
     "@simple-dom/document": "^1.4.0",
     "@types/qunit": "^2.11.1",
     "@types/rsvp": "^4.0.4",
diff --git a/packages/@ember/-internals/environment/lib/env.ts b/packages/@ember/-internals/environment/lib/env.ts
index 93f3d1ac326..f8b196b7aad 100644
--- a/packages/@ember/-internals/environment/lib/env.ts
+++ b/packages/@ember/-internals/environment/lib/env.ts
@@ -155,23 +155,6 @@ export const ENV = {
    */
   _RERENDER_LOOP_LIMIT: 1000,
 
-  /**
-    Allows disabling the implicit this property fallback deprecation. This could be useful
-    as a way to control the volume of deprecations that are issued by temporarily disabling
-    the implicit this fallback deprecations, which would allow the other deprecations to be more easily
-    identified in the console).
-
-    NOTE: The fallback behavior **will be removed** in Ember 4.0.0, disabling **_IS NOT_**
-    a viable strategy for handling this deprecation.
-
-    @property _DISABLE_PROPERTY_FALLBACK_DEPRECATION
-    @for EmberENV
-    @type boolean
-    @default false
-    @private
-   */
-  _DISABLE_PROPERTY_FALLBACK_DEPRECATION: false,
-
   EMBER_LOAD_HOOKS: {} as {
     [hook: string]: Function[];
   },
diff --git a/packages/@ember/-internals/glimmer/lib/environment.ts b/packages/@ember/-internals/glimmer/lib/environment.ts
index 12a91fcb41d..35700fd1a2e 100644
--- a/packages/@ember/-internals/glimmer/lib/environment.ts
+++ b/packages/@ember/-internals/glimmer/lib/environment.ts
@@ -98,24 +98,6 @@ const VM_DEPRECATION_OVERRIDES: (DeprecationOptions & {
   disabled?: boolean;
   message?: string;
 })[] = [
-  {
-    id: 'autotracking.mutation-after-consumption',
-    until: '4.0.0',
-    for: 'ember-source',
-    since: {
-      enabled: '3.21.0',
-    },
-  },
-  {
-    id: 'this-property-fallback',
-    disabled: ENV._DISABLE_PROPERTY_FALLBACK_DEPRECATION,
-    url: 'https://deprecations.emberjs.com/v3.x#toc_this-property-fallback',
-    until: '4.0.0',
-    for: 'ember-source',
-    since: {
-      enabled: '3.26.0',
-    },
-  },
   {
     id: 'argument-less-helper-paren-less-invocation',
     url: 'https://deprecations.emberjs.com/v3.x#toc_argument-less-helper-paren-less-invocation',
diff --git a/packages/@ember/-internals/glimmer/lib/helper.ts b/packages/@ember/-internals/glimmer/lib/helper.ts
index a1f163da60c..253de1031f0 100644
--- a/packages/@ember/-internals/glimmer/lib/helper.ts
+++ b/packages/@ember/-internals/glimmer/lib/helper.ts
@@ -6,15 +6,9 @@ import { Factory, Owner, setOwner } from '@ember/-internals/owner';
 import { FrameworkObject } from '@ember/-internals/runtime';
 import { getDebugName, symbol } from '@ember/-internals/utils';
 import { join } from '@ember/runloop';
-import { DEBUG } from '@glimmer/env';
 import { Arguments, Dict, HelperManager } from '@glimmer/interfaces';
 import { getInternalHelperManager, helperCapabilities, setHelperManager } from '@glimmer/manager';
-import {
-  consumeTag,
-  createTag,
-  deprecateMutationsInTrackingTransaction,
-  dirtyTag,
-} from '@glimmer/validator';
+import { consumeTag, createTag, dirtyTag } from '@glimmer/validator';
 
 export const RECOMPUTE_TAG = symbol('RECOMPUTE_TAG');
 
@@ -175,16 +169,9 @@ class ClassicHelperManager implements HelperManager<ClassicHelperStateBucket> {
   }
 
   getValue({ instance, args }: ClassicHelperStateBucket) {
-    let ret;
     let { positional, named } = args;
 
-    if (DEBUG) {
-      deprecateMutationsInTrackingTransaction!(() => {
-        ret = instance.compute(positional as unknown[], named);
-      });
-    } else {
-      ret = instance.compute(positional as unknown[], named);
-    }
+    let ret = instance.compute(positional as unknown[], named);
 
     consumeTag(instance[RECOMPUTE_TAG]);
 
@@ -225,18 +212,6 @@ class SimpleClassicHelperManager implements HelperManager<() => unknown> {
   createHelper(definition: Wrapper, args: Arguments) {
     let { compute } = definition;
 
-    if (DEBUG) {
-      return () => {
-        let ret;
-
-        deprecateMutationsInTrackingTransaction!(() => {
-          ret = compute.call(null, args.positional as unknown[], args.named);
-        });
-
-        return ret;
-      };
-    }
-
     return () => compute.call(null, args.positional as unknown[], args.named);
   }
 
diff --git a/packages/@ember/-internals/glimmer/lib/utils/managers.ts b/packages/@ember/-internals/glimmer/lib/utils/managers.ts
index 0073b4e1991..21cc5c55ff1 100644
--- a/packages/@ember/-internals/glimmer/lib/utils/managers.ts
+++ b/packages/@ember/-internals/glimmer/lib/utils/managers.ts
@@ -1,6 +1,4 @@
 import { Owner } from '@ember/-internals/owner';
-import { deprecate } from '@ember/debug';
-import { DEBUG } from '@glimmer/env';
 import { ComponentManager } from '@glimmer/interfaces';
 import {
   componentCapabilities as glimmerComponentCapabilities,
@@ -17,41 +15,3 @@ export function setComponentManager(
 
 export let componentCapabilities = glimmerComponentCapabilities;
 export let modifierCapabilities = glimmerModifierCapabilities;
-
-if (DEBUG) {
-  componentCapabilities = (version, options) => {
-    deprecate(
-      'Versions of component manager capabilities prior to 3.13 have been deprecated. You must update to the 3.13 capabilities.',
-      version === '3.13',
-      {
-        id: 'manager-capabilities.components-3-4',
-        url: 'https://deprecations.emberjs.com/v3.x#toc_manager-capabilities-components-3-4',
-        until: '4.0.0',
-        for: 'ember-source',
-        since: {
-          enabled: '3.26.0',
-        },
-      }
-    );
-
-    return glimmerComponentCapabilities(version, options);
-  };
-
-  modifierCapabilities = (version, options) => {
-    deprecate(
-      'Versions of modifier manager capabilities prior to 3.22 have been deprecated. You must update to the 3.22 capabilities.',
-      version === '3.22',
-      {
-        id: 'manager-capabilities.modifiers-3-13',
-        url: 'https://deprecations.emberjs.com/v3.x#toc_manager-capabilities-modifiers-3-13',
-        until: '4.0.0',
-        for: 'ember-source',
-        since: {
-          enabled: '3.26.0',
-        },
-      }
-    );
-
-    return glimmerModifierCapabilities(version, options);
-  };
-}
diff --git a/packages/@ember/-internals/glimmer/tests/integration/application/engine-test.js b/packages/@ember/-internals/glimmer/tests/integration/application/engine-test.js
index 71bc1b74107..e321647ffe9 100644
--- a/packages/@ember/-internals/glimmer/tests/integration/application/engine-test.js
+++ b/packages/@ember/-internals/glimmer/tests/integration/application/engine-test.js
@@ -178,7 +178,7 @@ moduleFor(
     }
 
     ['@test sharing a template between engine and application has separate refinements']() {
-      this.assert.expect(2);
+      this.assert.expect(1);
 
       let sharedTemplate = compile(strip`
       <h1>{{this.contextType}}</h1>
@@ -187,10 +187,6 @@ moduleFor(
       {{outlet}}
     `);
 
-      expectDeprecation(
-        /The `[^`]+` property(?: path)? was used in the `[^`]+` template without using `this`. This fallback behavior has been deprecated, all properties must be looked up on `this` when used in the template: {{[^}]+}}/
-      );
-
       this.add('template:application', sharedTemplate);
       this.add(
         'controller:application',
@@ -231,16 +227,12 @@ moduleFor(
       );
 
       return this.visit('/blog').then(() => {
-        this.assertText('ApplicationController Data!EngineComponent!');
+        this.assertText('ApplicationEngineComponent!');
       });
     }
 
     ['@test sharing a layout between engine and application has separate refinements']() {
-      this.assert.expect(2);
-
-      expectDeprecation(
-        /The `[^`]+` property(?: path)? was used in the `[^`]+` template without using `this`. This fallback behavior has been deprecated, all properties must be looked up on `this` when used in the template: {{[^}]+}}/
-      );
+      this.assert.expect(1);
 
       let sharedLayout = compile(strip`
         {{ambiguous-curlies}}
@@ -293,7 +285,7 @@ moduleFor(
       );
 
       return this.visit('/blog').then(() => {
-        this.assertText('ApplicationLocal Data!EngineComponent!');
+        this.assertText('ApplicationEngineComponent!');
       });
     }
 
diff --git a/packages/@ember/-internals/glimmer/tests/integration/application/rendering-test.js b/packages/@ember/-internals/glimmer/tests/integration/application/rendering-test.js
index ba43210274c..2eee0f6cf63 100644
--- a/packages/@ember/-internals/glimmer/tests/integration/application/rendering-test.js
+++ b/packages/@ember/-internals/glimmer/tests/integration/application/rendering-test.js
@@ -105,47 +105,7 @@ moduleFor(
       });
     }
 
-    ['@test it can access the model provided by the route via implicit this fallback']() {
-      expectDeprecation(
-        /The `[^`]+` property(?: path)? was used in the `[^`]+` template without using `this`. This fallback behavior has been deprecated, all properties must be looked up on `this` when used in the template: {{[^}]+}}/
-      );
-
-      this.add(
-        'route:application',
-        Route.extend({
-          model() {
-            return ['red', 'yellow', 'blue'];
-          },
-        })
-      );
-
-      this.addTemplate(
-        'application',
-        strip`
-        <ul>
-          {{#each model as |item|}}
-            <li>{{item}}</li>
-          {{/each}}
-        </ul>
-        `
-      );
-
-      return this.visit('/').then(() => {
-        this.assertInnerHTML(strip`
-        <ul>
-          <li>red</li>
-          <li>yellow</li>
-          <li>blue</li>
-        </ul>
-      `);
-      });
-    }
-
     async ['@test interior mutations on the model with set'](assert) {
-      expectDeprecation(
-        /The `[^`]+` property(?: path)? was used in the `[^`]+` template without using `this`. This fallback behavior has been deprecated, all properties must be looked up on `this` when used in the template: {{[^}]+}}/
-      );
-
       this.router.map(function () {
         this.route('color', { path: '/:color' });
       });
@@ -164,7 +124,7 @@ moduleFor(
         strip`
         [@model: {{@model.color}}]
         [this.model: {{this.model.color}}]
-        [model: {{model.color}}]
+        [model: {{this.model.color}}]
         `
       );
 
@@ -203,10 +163,6 @@ moduleFor(
     }
 
     async ['@test interior mutations on the model with tracked properties'](assert) {
-      expectDeprecation(
-        /The `[^`]+` property(?: path)? was used in the `[^`]+` template without using `this`. This fallback behavior has been deprecated, all properties must be looked up on `this` when used in the template: {{[^}]+}}/
-      );
-
       class Model {
         @tracked color;
 
@@ -233,7 +189,7 @@ moduleFor(
         strip`
         [@model: {{@model.color}}]
         [this.model: {{this.model.color}}]
-        [model: {{model.color}}]
+        [model: {{this.model.color}}]
         `
       );
 
@@ -271,10 +227,6 @@ moduleFor(
     }
 
     async ['@test exterior mutations on the model with set'](assert) {
-      expectDeprecation(
-        /The `[^`]+` property(?: path)? was used in the `[^`]+` template without using `this`. This fallback behavior has been deprecated, all properties must be looked up on `this` when used in the template: {{[^}]+}}/
-      );
-
       this.router.map(function () {
         this.route('color', { path: '/:color' });
       });
@@ -293,7 +245,7 @@ moduleFor(
         strip`
         [@model: {{@model}}]
         [this.model: {{this.model}}]
-        [model: {{model}}]
+        [model: {{this.model}}]
         `
       );
 
@@ -332,10 +284,6 @@ moduleFor(
     }
 
     async ['@test exterior mutations on the model with tracked properties'](assert) {
-      expectDeprecation(
-        /The `[^`]+` property(?: path)? was used in the `[^`]+` template without using `this`. This fallback behavior has been deprecated, all properties must be looked up on `this` when used in the template: {{[^}]+}}/
-      );
-
       this.router.map(function () {
         this.route('color', { path: '/:color' });
       });
@@ -361,7 +309,7 @@ moduleFor(
         strip`
         [@model: {{@model}}]
         [this.model: {{this.model}}]
-        [model: {{model}}]
+        [model: {{this.model}}]
         `
       );
 
diff --git a/packages/@ember/-internals/glimmer/tests/integration/components/angle-bracket-invocation-test.js b/packages/@ember/-internals/glimmer/tests/integration/components/angle-bracket-invocation-test.js
index 34a696ab571..1bb86b5c4c2 100644
--- a/packages/@ember/-internals/glimmer/tests/integration/components/angle-bracket-invocation-test.js
+++ b/packages/@ember/-internals/glimmer/tests/integration/components/angle-bracket-invocation-test.js
@@ -9,7 +9,7 @@ import { Component } from '../../utils/helpers';
 
 class CustomModifierManager {
   constructor(owner) {
-    this.capabilities = modifierCapabilities('3.13');
+    this.capabilities = modifierCapabilities('3.22');
     this.owner = owner;
   }
 
diff --git a/packages/@ember/-internals/glimmer/tests/integration/components/curly-components-test.js b/packages/@ember/-internals/glimmer/tests/integration/components/curly-components-test.js
index 759a7e7b347..dc374855c77 100644
--- a/packages/@ember/-internals/glimmer/tests/integration/components/curly-components-test.js
+++ b/packages/@ember/-internals/glimmer/tests/integration/components/curly-components-test.js
@@ -3515,24 +3515,6 @@ moduleFor(
       this.assertComponentElement(this.firstChild, { content: 'hello' });
     }
 
-    ['@test can use `{{component.foo}}` in a template GH#19313']() {
-      expectDeprecation(
-        /The `[^`]+` property(?: path)? was used in the `[^`]+` template without using `this`. This fallback behavior has been deprecated, all properties must be looked up on `this` when used in the template: {{[^}]+}}/
-      );
-
-      this.registerComponent('foo-bar', {
-        template: '{{component.foo}}',
-      });
-
-      this.render('{{foo-bar component=(hash foo="bar")}}');
-
-      this.assertComponentElement(this.firstChild, { content: 'bar' });
-
-      runTask(() => this.rerender());
-
-      this.assertComponentElement(this.firstChild, { content: 'bar' });
-    }
-
     ['@test can use `{{@component.foo}}` in a template GH#19313']() {
       this.registerComponent('foo-bar', {
         template: '{{@component.foo}}',
diff --git a/packages/@ember/-internals/glimmer/tests/integration/components/template-only-components-test.js b/packages/@ember/-internals/glimmer/tests/integration/components/template-only-components-test.js
index 22896382648..033188083ac 100644
--- a/packages/@ember/-internals/glimmer/tests/integration/components/template-only-components-test.js
+++ b/packages/@ember/-internals/glimmer/tests/integration/components/template-only-components-test.js
@@ -197,11 +197,7 @@ if (ENV._TEMPLATE_ONLY_GLIMMER_COMPONENTS) {
       }
 
       ['@test it renders named arguments as reflected properties']() {
-        expectDeprecation(
-          /The `[^`]+` property(?: path)? was used in the `[^`]+` template without using `this`. This fallback behavior has been deprecated, all properties must be looked up on `this` when used in the template: {{[^}]+}}/
-        );
-
-        this.registerTemplateOnlyComponent('foo-bar', '|{{foo}}|{{this.bar}}|');
+        this.registerTemplateOnlyComponent('foo-bar', '|{{this.foo}}|{{this.bar}}|');
 
         this.render('{{foo-bar foo=this.foo bar=this.bar}}', {
           foo: 'foo',
diff --git a/packages/@ember/-internals/glimmer/tests/integration/custom-component-manager-test.js b/packages/@ember/-internals/glimmer/tests/integration/custom-component-manager-test.js
index 21b94917b80..62e9b576a3b 100644
--- a/packages/@ember/-internals/glimmer/tests/integration/custom-component-manager-test.js
+++ b/packages/@ember/-internals/glimmer/tests/integration/custom-component-manager-test.js
@@ -3,11 +3,11 @@ import { moduleFor, RenderingTestCase, runTask, strip } from 'internal-test-help
 
 import { componentCapabilities } from '@glimmer/manager';
 import { Object as EmberObject } from '@ember/-internals/runtime';
-import { set, setProperties, computed, tracked } from '@ember/-internals/metal';
+import { set, setProperties, computed } from '@ember/-internals/metal';
 import { setComponentManager } from '@ember/-internals/glimmer';
 
 const BasicComponentManager = EmberObject.extend({
-  capabilities: componentCapabilities('3.4'),
+  capabilities: componentCapabilities('3.13'),
 
   createComponent(factory, args) {
     return factory.create({ args });
@@ -39,7 +39,7 @@ class ComponentManagerTest extends RenderingTestCase {
     super(...arguments);
 
     InstrumentedComponentManager = EmberObject.extend({
-      capabilities: componentCapabilities('3.4', {
+      capabilities: componentCapabilities('3.13', {
         destructor: true,
         asyncLifecycleCallbacks: true,
       }),
@@ -119,7 +119,7 @@ moduleFor(
     ['@test it can have no template context']() {
       let ComponentClass = setComponentManager(() => {
         return EmberObject.create({
-          capabilities: componentCapabilities('3.4'),
+          capabilities: componentCapabilities('3.13'),
 
           createComponent() {
             return null;
@@ -147,7 +147,7 @@ moduleFor(
       class Base {}
       setComponentManager(() => {
         return EmberObject.create({
-          capabilities: componentCapabilities('3.4'),
+          capabilities: componentCapabilities('3.13'),
 
           createComponent(Factory, args) {
             return new Factory(args);
@@ -206,7 +206,7 @@ moduleFor(
       let ComponentClass = setComponentManager(
         () => {
           return EmberObject.create({
-            capabilities: componentCapabilities('3.4'),
+            capabilities: componentCapabilities('3.13'),
 
             createComponent(factory) {
               return factory.create();
@@ -411,7 +411,7 @@ moduleFor(
       let ComponentClass = setComponentManager(
         () => {
           return EmberObject.create({
-            capabilities: componentCapabilities('3.4', {
+            capabilities: componentCapabilities('3.13', {
               destructor: true,
             }),
 
@@ -461,8 +461,9 @@ moduleFor(
       let ComponentClass = setComponentManager(
         () => {
           return EmberObject.create({
-            capabilities: componentCapabilities('3.4', {
+            capabilities: componentCapabilities('3.13', {
               asyncLifecycleCallbacks: true,
+              updateHook: true,
             }),
 
             createComponent(factory, args) {
@@ -570,7 +571,7 @@ moduleFor(
 
       assert.throws(() => {
         this.render('{{foo-bar name=this.name}}', { name: 'world' });
-      }, /Custom component managers must have a `capabilities` property that is the result of calling the `capabilities\('3.4' \| '3.13'\)` \(imported via `import \{ capabilities \} from '@ember\/component';`\). /);
+      }, /Custom component managers must have a `capabilities` property that is the result of calling the `capabilities\('3.13'\)` \(imported via `import \{ capabilities \} from '@ember\/component';`\). /);
 
       assert.verifySteps([]);
     }
@@ -665,9 +666,10 @@ moduleFor(
 
     ['@test updating attributes triggers updateComponent and didUpdateComponent'](assert) {
       let TestManager = EmberObject.extend({
-        capabilities: componentCapabilities('3.4', {
+        capabilities: componentCapabilities('3.13', {
           destructor: true,
           asyncLifecycleCallbacks: true,
+          updateHook: true,
         }),
 
         createComponent(factory, args) {
@@ -883,39 +885,9 @@ moduleFor(
 
       assert.throws(() => {
         this.render('<FooBar @name={{this.name}} />', { name: 'world' });
-      }, /Custom component managers must have a `capabilities` property that is the result of calling the `capabilities\('3.4' \| '3.13'\)` \(imported via `import \{ capabilities \} from '@ember\/component';`\). /);
+      }, /Custom component managers must have a `capabilities` property that is the result of calling the `capabilities\('3.13'\)` \(imported via `import \{ capabilities \} from '@ember\/component';`\). /);
 
       assert.verifySteps([]);
     }
-
-    '@test tracked property mutation in constructor issues a deprecation'() {
-      let ComponentClass = setComponentManager(
-        createBasicManager,
-        class extends EmberObject {
-          @tracked itemCount = 0;
-
-          init() {
-            super.init(...arguments);
-
-            // first read the tracked property
-            let { itemCount } = this;
-
-            // then attempt to update the tracked property
-            this.itemCount = itemCount + 1;
-          }
-        }
-      );
-
-      this.registerComponent('foo-bar', {
-        template: `{{this.itemCount}}`,
-        ComponentClass,
-      });
-
-      expectDeprecation(() => {
-        this.render('<FooBar />');
-      }, /You attempted to update `itemCount` on `<.*>`, but it had already been used previously in the same computation/);
-
-      this.assertHTML(`1`);
-    }
   }
 );
diff --git a/packages/@ember/-internals/glimmer/tests/integration/custom-modifier-manager-test.js b/packages/@ember/-internals/glimmer/tests/integration/custom-modifier-manager-test.js
index 51f639d9e18..144f5dff9a4 100644
--- a/packages/@ember/-internals/glimmer/tests/integration/custom-modifier-manager-test.js
+++ b/packages/@ember/-internals/glimmer/tests/integration/custom-modifier-manager-test.js
@@ -241,50 +241,6 @@ class ModifierManagerTest extends RenderingTestCase {
     assert.equal(updateCount, 2);
   }
 
-  '@test provides a helpful deprecation when mutating a tracked value that was consumed already within constructor'(
-    assert
-  ) {
-    let ModifierClass = setModifierManager(
-      (owner) => {
-        return new this.CustomModifierManager(owner);
-      },
-      class {
-        static create() {
-          return new this();
-        }
-
-        @tracked foo = 123;
-
-        constructor() {
-          // first read the tracked property
-          this.foo;
-
-          // then attempt to update the tracked property
-          this.foo = 456;
-        }
-
-        didInsertElement() {}
-        didUpdate() {}
-        willDestroyElement() {}
-      }
-    );
-
-    this.registerModifier(
-      'foo-bar',
-      class extends ModifierClass {
-        didInsertElement() {
-          assert.ok(true, 'modifiers didInsertElement was called');
-        }
-      }
-    );
-
-    let expectedMessage = backtrackingMessageFor('foo');
-
-    expectDeprecation(() => {
-      this.render('<h1 {{foo-bar}}>hello world</h1>');
-    }, expectedMessage);
-  }
-
   '@test provides a helpful assertion when mutating a value that was consumed already'() {
     class Person {
       @tracked name = 'bob';
@@ -360,96 +316,12 @@ class ModifierManagerTest extends RenderingTestCase {
 
     assert.throws(() => {
       this.render('<h1 {{foo-bar}}>hello world</h1>');
-    }, /Custom modifier managers must have a `capabilities` property that is the result of calling the `capabilities\('3.13' \| '3.22'\)` \(imported via `import \{ capabilities \} from '@ember\/modifier';`\). /);
+    }, /Custom modifier managers must have a `capabilities` property that is the result of calling the `capabilities\('3.22'\)` \(imported via `import \{ capabilities \} from '@ember\/modifier';`\). /);
 
     assert.verifySteps([]);
   }
 }
 
-moduleFor(
-  'Basic Custom Modifier Manager: 3.13',
-  class extends ModifierManagerTest {
-    CustomModifierManager = class CustomModifierManager {
-      capabilities = modifierCapabilities('3.13');
-
-      constructor(owner) {
-        this.owner = owner;
-      }
-
-      createModifier(factory, args) {
-        // factory is the owner.factoryFor result
-        return factory.create(args);
-      }
-
-      installModifier(instance, element, args) {
-        instance.element = element;
-        let { positional, named } = args;
-        instance.didInsertElement(positional, named);
-      }
-
-      updateModifier(instance, args) {
-        let { positional, named } = args;
-        instance.didUpdate(positional, named);
-      }
-
-      destroyModifier(instance) {
-        instance.willDestroyElement();
-      }
-    };
-
-    '@test modifers consume all arguments'(assert) {
-      let insertCount = 0;
-      let updateCount = 0;
-
-      let ModifierClass = setModifierManager(
-        (owner) => {
-          return new this.CustomModifierManager(owner);
-        },
-        EmberObject.extend({
-          didInsertElement() {},
-          didUpdate() {},
-          willDestroyElement() {},
-        })
-      );
-
-      this.registerModifier(
-        'foo-bar',
-        ModifierClass.extend({
-          didInsertElement(_positional, named) {
-            insertCount++;
-
-            // consume qux
-            named.qux;
-          },
-
-          didUpdate(_positiona, named) {
-            updateCount++;
-
-            // consume qux
-            named.qux;
-          },
-        })
-      );
-
-      this.render('<h1 {{foo-bar bar=this.bar qux=this.qux}}>hello world</h1>', {
-        bar: 'bar',
-        qux: 'quz',
-      });
-
-      this.assertHTML(`<h1>hello world</h1>`);
-
-      assert.equal(insertCount, 1);
-      assert.equal(updateCount, 0);
-
-      runTask(() => set(this.context, 'bar', 'other bar'));
-      assert.equal(updateCount, 1);
-
-      runTask(() => set(this.context, 'qux', 'quuuuxxxxxx'));
-      assert.equal(updateCount, 2);
-    }
-  }
-);
-
 moduleFor(
   'Basic Custom Modifier Manager: 3.22',
   class extends ModifierManagerTest {
@@ -674,60 +546,6 @@ moduleFor(
       return { isInteractive: false };
     }
 
-    [`@test doesn't trigger lifecycle hooks when non-interactive: modifierCapabilities('3.13')`](
-      assert
-    ) {
-      class CustomModifierManager {
-        capabilities = modifierCapabilities('3.13');
-
-        constructor(owner) {
-          this.owner = owner;
-        }
-
-        createModifier(factory, args) {
-          return factory.create(args);
-        }
-
-        installModifier(instance, element, args) {
-          instance.element = element;
-          let { positional, named } = args;
-          instance.didInsertElement(positional, named);
-        }
-
-        updateModifier(instance, args) {
-          let { positional, named } = args;
-          instance.didUpdate(positional, named);
-        }
-
-        destroyModifier(instance) {
-          instance.willDestroyElement();
-        }
-      }
-      let ModifierClass = setModifierManager(
-        (owner) => {
-          return new CustomModifierManager(owner);
-        },
-        EmberObject.extend({
-          didInsertElement() {
-            assert.ok(false);
-          },
-          didUpdate() {
-            assert.ok(false);
-          },
-          willDestroyElement() {
-            assert.ok(false);
-          },
-        })
-      );
-
-      this.registerModifier('foo-bar', ModifierClass);
-
-      this.render('<h1 {{foo-bar this.baz}}>hello world</h1>');
-      runTask(() => this.context.set('baz', 'Hello'));
-
-      this.assertHTML('<h1>hello world</h1>');
-    }
-
     [`@test doesn't trigger lifecycle hooks when non-interactive: modifierCapabilities('3.22')`](
       assert
     ) {
diff --git a/packages/@ember/-internals/glimmer/tests/integration/helpers/custom-helper-test.js b/packages/@ember/-internals/glimmer/tests/integration/helpers/custom-helper-test.js
index dcba0e131bf..a01f7dfd10b 100644
--- a/packages/@ember/-internals/glimmer/tests/integration/helpers/custom-helper-test.js
+++ b/packages/@ember/-internals/glimmer/tests/integration/helpers/custom-helper-test.js
@@ -8,8 +8,7 @@ import {
   defineSimpleHelper,
 } from 'internal-test-helpers';
 import { Helper, Component } from '@ember/-internals/glimmer';
-import { set, tracked } from '@ember/-internals/metal';
-import { backtrackingMessageFor } from '../../utils/debug-stack';
+import { set } from '@ember/-internals/metal';
 
 moduleFor(
   'Helpers test: custom helpers',
@@ -34,36 +33,12 @@ moduleFor(
       this.assertText('hello | hello world');
     }
 
-    ['@test it does not resolve helpers with a `.` (period)']() {
-      expectDeprecation(
-        /The `[^`]+` property(?: path)? was used in the `[^`]+` template without using `this`. This fallback behavior has been deprecated, all properties must be looked up on `this` when used in the template: {{[^}]+}}/
-      );
-
+    ['@test it does not resolve helpers with a `.` (period)'](assert) {
       this.registerHelper('hello.world', () => 'hello world');
 
-      this.render('{{hello.world}}', {
-        hello: {
-          world: '',
-        },
-      });
-
-      this.assertText('');
-
-      this.assertStableRerender();
-
-      this.assertText('');
-
-      runTask(() => set(this.context, 'hello', { world: 'hello world!' }));
-
-      this.assertText('hello world!');
-
-      runTask(() => {
-        set(this.context, 'hello', {
-          world: '',
-        });
-      });
-
-      this.assertText('');
+      assert.throws(() => {
+        this.render('{{hello.world}}');
+      }, /Attempted to resolve a value in a strict mode template, but that value was not in scope: hello/);
     }
 
     ['@test it can resolve custom class-based helpers with or without dashes']() {
@@ -731,55 +706,6 @@ moduleFor(
       this.assertText('huzza!');
     }
 
-    ['@test class-based helper gives helpful warning when mutating a value that was tracked already']() {
-      this.add(
-        'helper:hello-world',
-        class extends Helper {
-          compute() {
-            this.get('value');
-            this.set('value', 123);
-          }
-        }
-      );
-
-      let expectedMessage = backtrackingMessageFor('value', '<.+?>', {
-        renderTree: ['\\(result of a `<\\(unknown\\).*?>` helper\\)'],
-      });
-
-      expectDeprecation(() => {
-        // TODO: this must be a bug??
-        expectDeprecation(
-          backtrackingMessageFor('undefined', undefined, {
-            renderTree: ['\\(result of a `<\\(unknown\\).*?>` helper\\)'],
-          })
-        );
-
-        this.render('{{hello-world}}');
-      }, expectedMessage);
-    }
-
-    ['@test class-based helper gives helpful deprecation when mutating a tracked property that was tracked already']() {
-      this.add(
-        'helper:hello-world',
-        class HelloWorld extends Helper {
-          @tracked value;
-
-          compute() {
-            this.value;
-            this.value = 123;
-          }
-        }
-      );
-
-      let expectedMessage = backtrackingMessageFor('value', '<HelloWorld.+?>', {
-        renderTree: ['\\(result of a `<HelloWorld.*?>` helper\\)'],
-      });
-
-      expectDeprecation(() => {
-        this.render('{{hello-world}}');
-      }, expectedMessage);
-    }
-
     '@feature(EMBER_DYNAMIC_HELPERS_AND_MODIFIERS) Can resolve a helper'() {
       this.registerHelper('hello-world', ([text]) => text ?? 'Hello, world!');
 
diff --git a/packages/@ember/-internals/glimmer/tests/integration/helpers/tracked-test.js b/packages/@ember/-internals/glimmer/tests/integration/helpers/tracked-test.js
index 5e74332aff2..8b42f331c2f 100644
--- a/packages/@ember/-internals/glimmer/tests/integration/helpers/tracked-test.js
+++ b/packages/@ember/-internals/glimmer/tests/integration/helpers/tracked-test.js
@@ -1,7 +1,5 @@
 import { Object as EmberObject, A, MutableArray } from '@ember/-internals/runtime';
 import {
-  get,
-  set,
   tracked,
   nativeDescDecorator as descriptor,
   notifyPropertyChange,
@@ -9,7 +7,6 @@ import {
 import Service, { service } from '@ember/service';
 import { moduleFor, RenderingTestCase, strip, runTask } from 'internal-test-helpers';
 
-import { backtrackingMessageFor } from '../../utils/debug-stack';
 import { Component } from '../../utils/helpers';
 
 moduleFor(
@@ -406,46 +403,5 @@ moduleFor(
 
       this.assertText('12');
     }
-
-    '@test simple helper gives helpful warning when mutating a value that was tracked already'() {
-      this.registerHelper('hello-world', function helloWorld([person]) {
-        get(person, 'name');
-        set(person, 'name', 'sam');
-      });
-
-      let expectedMessage = backtrackingMessageFor('name', '\\(unknown object\\)', {
-        renderTree: ['\\(result of a `.*` helper\\)'],
-      });
-
-      expectDeprecation(() => {
-        // TODO: this must be a bug??
-        expectDeprecation(
-          backtrackingMessageFor('undefined', undefined, {
-            renderTree: ['\\(result of a `.*` helper\\)'],
-          })
-        );
-
-        this.render('{{hello-world this.model}}', { model: {} });
-      }, expectedMessage);
-    }
-
-    '@test simple helper gives helpful deprecation when mutating a tracked property that was tracked already'() {
-      class Person {
-        @tracked name = 'bob';
-      }
-
-      this.registerHelper('hello-world', ([person]) => {
-        person.name;
-        person.name = 'sam';
-      });
-
-      let expectedMessage = backtrackingMessageFor('name', 'Person', {
-        renderTree: ['\\(result of a `\\(unknown function\\)` helper\\)'],
-      });
-
-      expectDeprecation(() => {
-        this.render('{{hello-world this.model}}', { model: new Person() });
-      }, expectedMessage);
-    }
   }
 );
diff --git a/packages/@ember/-internals/glimmer/tests/integration/syntax/each-test.js b/packages/@ember/-internals/glimmer/tests/integration/syntax/each-test.js
index 2959fda9f77..0781841d78c 100644
--- a/packages/@ember/-internals/glimmer/tests/integration/syntax/each-test.js
+++ b/packages/@ember/-internals/glimmer/tests/integration/syntax/each-test.js
@@ -725,34 +725,28 @@ class EachTest extends AbstractEachTest {
   }
 
   ['@test the scoped variable is not available outside the {{#each}} block.']() {
-    expectDeprecation(
-      /The `[^`]+` property(?: path)? was used in the `[^`]+` template without using `this`. This fallback behavior has been deprecated, all properties must be looked up on `this` when used in the template: {{[^}]+}}/
-    );
-
     this.makeList(['Yehuda']);
 
-    this.render(`{{name}}-{{#each this.list as |name|}}{{name}}{{/each}}-{{name}}`, {
-      name: 'Stef',
-    });
+    this.render(`{{name}}-{{#each this.list as |name|}}{{name}}{{/each}}-{{name}}`);
 
-    this.assertText('Stef-Yehuda-Stef');
+    this.assertText('-Yehuda-');
 
     runTask(() => this.rerender());
 
-    this.assertText('Stef-Yehuda-Stef');
+    this.assertText('-Yehuda-');
 
     runTask(() => this.pushObjects([' ', 'Katz']));
 
-    this.assertText('Stef-Yehuda Katz-Stef');
+    this.assertText('-Yehuda Katz-');
 
     runTask(() => set(this.context, 'name', 'Tom'));
 
-    this.assertText('Tom-Yehuda Katz-Tom');
+    this.assertText('-Yehuda Katz-');
 
     runTask(() => set(this.context, 'name', 'Stef'));
     this.replaceList(['Yehuda']);
 
-    this.assertText('Stef-Yehuda-Stef');
+    this.assertText('-Yehuda-');
   }
 
   ['@test inverse template is displayed with context']() {
@@ -946,10 +940,6 @@ class EachTest extends AbstractEachTest {
   }
 
   ['@test the scoped variable is not available outside the {{#each}} block']() {
-    expectDeprecation(
-      /The `[^`]+` property(?: path)? was used in the `[^`]+` template without using `this`. This fallback behavior has been deprecated, all properties must be looked up on `this` when used in the template: {{[^}]+}}/
-    );
-
     let first = this.createList(['Limbo']);
     let fifth = this.createList(['Wrath']);
     let ninth = this.createList(['Treachery']);
@@ -957,41 +947,38 @@ class EachTest extends AbstractEachTest {
     this.render(
       `{{ring}}-{{#each this.first as |ring|}}{{ring}}-{{#each this.fifth as |ring|}}{{ring}}-{{#each this.ninth as |ring|}}{{ring}}-{{/each}}{{ring}}-{{/each}}{{ring}}-{{/each}}{{ring}}`,
       {
-        ring: 'Greed',
         first: first.list,
         fifth: fifth.list,
         ninth: ninth.list,
       }
     );
 
-    this.assertText('Greed-Limbo-Wrath-Treachery-Wrath-Limbo-Greed');
+    this.assertText('-Limbo-Wrath-Treachery-Wrath-Limbo-');
 
     runTask(() => this.rerender());
 
-    this.assertText('Greed-Limbo-Wrath-Treachery-Wrath-Limbo-Greed');
+    this.assertText('-Limbo-Wrath-Treachery-Wrath-Limbo-');
 
     runTask(() => {
-      set(this.context, 'ring', 'O');
       fifth.delegate.insertAt(0, 'D');
     });
 
-    this.assertText('O-Limbo-D-Treachery-D-Wrath-Treachery-Wrath-Limbo-O');
+    this.assertText('-Limbo-D-Treachery-D-Wrath-Treachery-Wrath-Limbo-');
 
     runTask(() => {
       first.delegate.pushObject('I');
       ninth.delegate.replace(0, 1, ['K']);
     });
 
-    this.assertText('O-Limbo-D-K-D-Wrath-K-Wrath-Limbo-I-D-K-D-Wrath-K-Wrath-I-O');
+    this.assertText('-Limbo-D-K-D-Wrath-K-Wrath-Limbo-I-D-K-D-Wrath-K-Wrath-I-');
 
     runTask(() => {
-      set(this.context, 'ring', 'Greed');
       set(this.context, 'first', this.createList(['Limbo']).list);
       set(this.context, 'fifth', this.createList(['Wrath']).list);
       set(this.context, 'ninth', this.createList(['Treachery']).list);
     });
 
-    this.assertText('Greed-Limbo-Wrath-Treachery-Wrath-Limbo-Greed');
+    this.assertText('-Limbo-Wrath-Treachery-Wrath-Limbo-');
   }
 
   ['@test it should support {{#each this.name as |foo|}}, then {{#each foo as |bar|}}']() {
diff --git a/packages/@ember/-internals/glimmer/tests/integration/syntax/let-test.js b/packages/@ember/-internals/glimmer/tests/integration/syntax/let-test.js
index a08c411f2a9..a3f8ef73c9f 100644
--- a/packages/@ember/-internals/glimmer/tests/integration/syntax/let-test.js
+++ b/packages/@ember/-internals/glimmer/tests/integration/syntax/let-test.js
@@ -96,35 +96,29 @@ moduleFor(
     }
 
     ['@test the scoped variable is not available outside the {{#let}} block.']() {
-      expectDeprecation(
-        /The `[^`]+` property(?: path)? was used in the `[^`]+` template without using `this`. This fallback behavior has been deprecated, all properties must be looked up on `this` when used in the template: {{[^}]+}}/
-      );
-
       this.render(`{{name}}-{{#let this.other as |name|}}{{name}}{{/let}}-{{name}}`, {
-        name: 'Stef',
         other: 'Yehuda',
       });
 
-      this.assertText('Stef-Yehuda-Stef');
+      this.assertText('-Yehuda-');
 
       runTask(() => this.rerender());
 
-      this.assertText('Stef-Yehuda-Stef');
+      this.assertText('-Yehuda-');
 
       runTask(() => set(this.context, 'other', 'Chad'));
 
-      this.assertText('Stef-Chad-Stef');
+      this.assertText('-Chad-');
 
       runTask(() => set(this.context, 'name', 'Tom'));
 
-      this.assertText('Tom-Chad-Tom');
+      this.assertText('-Chad-');
 
       runTask(() => {
-        set(this.context, 'name', 'Stef');
         set(this.context, 'other', 'Yehuda');
       });
 
-      this.assertText('Stef-Yehuda-Stef');
+      this.assertText('-Yehuda-');
     }
 
     ['@test can access alias of a proxy']() {
@@ -246,48 +240,41 @@ moduleFor(
     }
 
     ['@test the scoped variable is not available outside the {{#let}} block']() {
-      expectDeprecation(
-        /The `[^`]+` property(?: path)? was used in the `[^`]+` template without using `this`. This fallback behavior has been deprecated, all properties must be looked up on `this` when used in the template: {{[^}]+}}/
-      );
-
       this.render(
         `{{ring}}-{{#let this.first as |ring|}}{{ring}}-{{#let this.fifth as |ring|}}{{ring}}-{{#let this.ninth as |ring|}}{{ring}}-{{/let}}{{ring}}-{{/let}}{{ring}}-{{/let}}{{ring}}`,
         {
-          ring: 'Greed',
           first: 'Limbo',
           fifth: 'Wrath',
           ninth: 'Treachery',
         }
       );
 
-      this.assertText('Greed-Limbo-Wrath-Treachery-Wrath-Limbo-Greed');
+      this.assertText('-Limbo-Wrath-Treachery-Wrath-Limbo-');
 
       runTask(() => this.rerender());
 
-      this.assertText('Greed-Limbo-Wrath-Treachery-Wrath-Limbo-Greed');
+      this.assertText('-Limbo-Wrath-Treachery-Wrath-Limbo-');
 
       runTask(() => {
-        set(this.context, 'ring', 'O');
         set(this.context, 'fifth', 'D');
       });
 
-      this.assertText('O-Limbo-D-Treachery-D-Limbo-O');
+      this.assertText('-Limbo-D-Treachery-D-Limbo-');
 
       runTask(() => {
         set(this.context, 'first', 'I');
         set(this.context, 'ninth', 'K');
       });
 
-      this.assertText('O-I-D-K-D-I-O');
+      this.assertText('-I-D-K-D-I-');
 
       runTask(() => {
-        set(this.context, 'ring', 'Greed');
         set(this.context, 'first', 'Limbo');
         set(this.context, 'fifth', 'Wrath');
         set(this.context, 'ninth', 'Treachery');
       });
 
-      this.assertText('Greed-Limbo-Wrath-Treachery-Wrath-Limbo-Greed');
+      this.assertText('-Limbo-Wrath-Treachery-Wrath-Limbo-');
     }
 
     ['@test it should support {{#let name as |foo|}}, then {{#let foo as |bar|}}']() {
@@ -331,10 +318,6 @@ moduleFor(
     }
 
     ['@test nested {{#let}} blocks should have access to root context']() {
-      expectDeprecation(
-        /The `[^`]+` property(?: path)? was used in the `[^`]+` template without using `this`. This fallback behavior has been deprecated, all properties must be looked up on `this` when used in the template: {{[^}]+}}/
-      );
-
       this.render(
         strip`
         {{name}}
@@ -362,30 +345,26 @@ moduleFor(
         }
       );
 
-      this.assertText('ebryn[trek[machty]trek]ebryn[machty[trek]machty]ebryn');
+      this.assertText('[trek[machty]trek][machty[trek]machty]');
 
       runTask(() => this.rerender());
 
-      this.assertText('ebryn[trek[machty]trek]ebryn[machty[trek]machty]ebryn');
+      this.assertText('[trek[machty]trek][machty[trek]machty]');
 
       runTask(() => set(this.context, 'name', 'chancancode'));
 
-      this.assertText('chancancode[trek[machty]trek]chancancode[machty[trek]machty]chancancode');
+      this.assertText('[trek[machty]trek][machty[trek]machty]');
 
       runTask(() => set(this.context, 'committer1', { name: 'krisselden' }));
 
-      this.assertText(
-        'chancancode[krisselden[machty]krisselden]chancancode[machty[krisselden]machty]chancancode'
-      );
+      this.assertText('[krisselden[machty]krisselden][machty[krisselden]machty]');
 
       runTask(() => {
         set(this.context, 'committer1.name', 'wycats');
         set(this.context, 'committer2', { name: 'rwjblue' });
       });
 
-      this.assertText(
-        'chancancode[wycats[rwjblue]wycats]chancancode[rwjblue[wycats]rwjblue]chancancode'
-      );
+      this.assertText('[wycats[rwjblue]wycats][rwjblue[wycats]rwjblue]');
 
       runTask(() => {
         set(this.context, 'name', 'ebryn');
@@ -393,7 +372,7 @@ moduleFor(
         set(this.context, 'committer2', { name: 'machty' });
       });
 
-      this.assertText('ebryn[trek[machty]trek]ebryn[machty[trek]machty]ebryn');
+      this.assertText('[trek[machty]trek][machty[trek]machty]');
     }
   }
 );
diff --git a/packages/@ember/-internals/metal/lib/property_get.ts b/packages/@ember/-internals/metal/lib/property_get.ts
index 7d6d1183c4c..96ebda31109 100644
--- a/packages/@ember/-internals/metal/lib/property_get.ts
+++ b/packages/@ember/-internals/metal/lib/property_get.ts
@@ -4,13 +4,7 @@
 import { isEmberArray, setProxy, symbol } from '@ember/-internals/utils';
 import { assert } from '@ember/debug';
 import { DEBUG } from '@glimmer/env';
-import {
-  consumeTag,
-  deprecateMutationsInTrackingTransaction,
-  isTracking,
-  tagFor,
-  track,
-} from '@glimmer/validator';
+import { consumeTag, isTracking, tagFor, track } from '@glimmer/validator';
 import { isPath } from './path_cache';
 
 export const PROXY_CONTENT = symbol('PROXY_CONTENT');
@@ -118,13 +112,7 @@ export function _getProp(obj: object, keyName: string) {
       !(keyName in obj) &&
       typeof (obj as MaybeHasUnknownProperty).unknownProperty === 'function'
     ) {
-      if (DEBUG) {
-        deprecateMutationsInTrackingTransaction!(() => {
-          value = (obj as MaybeHasUnknownProperty).unknownProperty!(keyName);
-        });
-      } else {
-        value = (obj as MaybeHasUnknownProperty).unknownProperty!(keyName);
-      }
+      value = (obj as MaybeHasUnknownProperty).unknownProperty!(keyName);
     }
 
     if (isTracking()) {
diff --git a/packages/@ember/-internals/metal/tests/tracked/validation_test.js b/packages/@ember/-internals/metal/tests/tracked/validation_test.js
index 1aa090cd903..47e5ba1a231 100644
--- a/packages/@ember/-internals/metal/tests/tracked/validation_test.js
+++ b/packages/@ember/-internals/metal/tests/tracked/validation_test.js
@@ -378,25 +378,6 @@ moduleFor(
       }, /You attempted to update `value` on `EmberObject`, but it had already been used previously in the same computation/);
     }
 
-    ['@test gives helpful deprecation when a tracked property is mutated after access within unknownProperty within an autotracking transaction']() {
-      class EmberObject {
-        @tracked foo;
-
-        unknownProperty() {
-          this.foo;
-          this.foo = 123;
-        }
-      }
-
-      let obj = new EmberObject();
-
-      expectDeprecation(() => {
-        track(() => {
-          get(obj, 'bar');
-        });
-      }, /You attempted to update `foo` on `EmberObject`, but it had already been used previously in the same computation/);
-    }
-
     ['@test get() does not entangle in the autotracking stack until after retrieving the value'](
       assert
     ) {
diff --git a/tests/docs/expected.js b/tests/docs/expected.js
index 16c014156a2..fe34722c264 100644
--- a/tests/docs/expected.js
+++ b/tests/docs/expected.js
@@ -8,7 +8,6 @@ module.exports = {
     'LOG_VERSION',
     '[]',
     '_APPLICATION_TEMPLATE_WRAPPER',
-    '_DISABLE_PROPERTY_FALLBACK_DEPRECATION',
     '_DEBUG_RENDER_TREE',
     '_DEFAULT_ASYNC_OBSERVERS',
     '_RERENDER_LOOP_LIMIT',
diff --git a/yarn.lock b/yarn.lock
index 4c91962f553..2dfdfb9c456 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2341,52 +2341,52 @@
     minimatch "^3.0.4"
     strip-json-comments "^3.1.1"
 
-"@glimmer/compiler@0.80.2":
-  version "0.80.2"
-  resolved "https://registry.yarnpkg.com/@glimmer/compiler/-/compiler-0.80.2.tgz#730001221f7240709f5952f30427f2352aa8b05d"
-  integrity sha512-oWl0A3lvGjlArlYAosUQStCAgboCOaf7GZCJ/A3cGCuy1BlP/pFCBFkgG60SODJwr+zeJLRAh0adroaisH66SA==
-  dependencies:
-    "@glimmer/interfaces" "0.80.2"
-    "@glimmer/syntax" "0.80.2"
-    "@glimmer/util" "0.80.2"
-    "@glimmer/wire-format" "0.80.2"
+"@glimmer/compiler@0.83.1":
+  version "0.83.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/compiler/-/compiler-0.83.1.tgz#d6b7d22a95c99be19959e7c41cd95eceda54d970"
+  integrity sha512-7Ou4cTVfQjsAklFcZl3nMMTvDQ9P3DH9iOMM7q/Ezpu/fM3fDdYofywmBOi7hHbXCxtfvj4MhLlMlMokFrM32Q==
+  dependencies:
+    "@glimmer/interfaces" "0.83.1"
+    "@glimmer/syntax" "0.83.1"
+    "@glimmer/util" "0.83.1"
+    "@glimmer/wire-format" "0.83.1"
     "@simple-dom/interface" "^1.4.0"
 
-"@glimmer/destroyable@0.80.2":
-  version "0.80.2"
-  resolved "https://registry.yarnpkg.com/@glimmer/destroyable/-/destroyable-0.80.2.tgz#da199504eb91cf2513f2c3ac6d0d899d83b74878"
-  integrity sha512-RdquK8byB/uvwEIzUxXL3dX0wnPW6yLooBmrR/QKOyiP0f23DdLLdT2tc7etITkF0NOFjtRApFr3Kwxm2vsHfA==
+"@glimmer/destroyable@0.83.1":
+  version "0.83.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/destroyable/-/destroyable-0.83.1.tgz#ccf912bf1d07b1ad47eaf7387af1ee742963470f"
+  integrity sha512-QPTKAg0UToCxtcq+AjhdsSZb4HhYn1CTJ2b2/5Qe9InRCPpnwFsMpLKModCLi3VRKtkBGBprxwP/ht5Ma7ok1A==
   dependencies:
     "@glimmer/env" "0.1.7"
-    "@glimmer/global-context" "0.80.2"
-    "@glimmer/interfaces" "0.80.2"
-    "@glimmer/util" "0.80.2"
+    "@glimmer/global-context" "0.83.1"
+    "@glimmer/interfaces" "0.83.1"
+    "@glimmer/util" "0.83.1"
 
-"@glimmer/encoder@0.80.2":
-  version "0.80.2"
-  resolved "https://registry.yarnpkg.com/@glimmer/encoder/-/encoder-0.80.2.tgz#30dd5aed6b56362388a2e3ed1069a318c76132ca"
-  integrity sha512-16D7VVy2Riqc2+q/374auzcJ/KpIIxEactAkPlPUgexwzUEuJSPcg1hcEh0medwPQlNn1YkL+5YFPh9zFUgoWQ==
+"@glimmer/encoder@0.83.1":
+  version "0.83.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/encoder/-/encoder-0.83.1.tgz#6c1619462a46980551d6a74f19266230a04eeb59"
+  integrity sha512-PADybj7+khwSyfcvRpmXpYnfZDsSmw/NpSqtCLolAvtnn7uyFfmKirTc89AWi/9iPtbqfe2XtWv3Dz/R5RnAAA==
   dependencies:
     "@glimmer/env" "0.1.7"
-    "@glimmer/interfaces" "0.80.2"
-    "@glimmer/vm" "0.80.2"
+    "@glimmer/interfaces" "0.83.1"
+    "@glimmer/vm" "0.83.1"
 
 "@glimmer/env@0.1.7", "@glimmer/env@^0.1.7":
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/@glimmer/env/-/env-0.1.7.tgz#fd2d2b55a9029c6b37a6c935e8c8871ae70dfa07"
   integrity sha1-/S0rVakCnGs3psk16MiHGucN+gc=
 
-"@glimmer/global-context@0.80.2":
-  version "0.80.2"
-  resolved "https://registry.yarnpkg.com/@glimmer/global-context/-/global-context-0.80.2.tgz#aaa389f1055a056d0f911a7e9d101cbcc06f133b"
-  integrity sha512-XskcLaDUoXJYa/RLhkFNZSywzLoeMDQk6UTxvWrCtfE8hKXfeKSKq1FKyYenzB3SMF2ESX5yHOSd/xKBIYVypg==
+"@glimmer/global-context@0.83.1":
+  version "0.83.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/global-context/-/global-context-0.83.1.tgz#3e2d97f10ff623bcfb5b7dc29a858d546a6c6d66"
+  integrity sha512-OwlgqpbOJU73EjZOZdftab0fKbtdJ4x/QQeJseL9cvaAUiK3+w52M5ONFxD1T/yPBp2Mf7NCYqA/uL8tRbzY2A==
   dependencies:
     "@glimmer/env" "^0.1.7"
 
-"@glimmer/interfaces@0.80.2":
-  version "0.80.2"
-  resolved "https://registry.yarnpkg.com/@glimmer/interfaces/-/interfaces-0.80.2.tgz#3937610ada436102ff9f92a6ea89e6d4531c1432"
-  integrity sha512-s5xhjoRNwp2fJty8/LpOY2qRLRlevYZFxEDD+Jl44YTRdU68DZJdSYd0cBknp1qDSi+C74zIg7S5cGwS3ulkUw==
+"@glimmer/interfaces@0.83.1":
+  version "0.83.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/interfaces/-/interfaces-0.83.1.tgz#fb16f5f683ddc55f130887b6141f58c0751350fe"
+  integrity sha512-rjAztghzX97v8I4rk3+NguM3XGYcFjc/GbJ8qrEj19KF2lUDoDBW1sB7f0tov3BD5HlrGXei/vOh4+DHfjeB5w==
   dependencies:
     "@simple-dom/interface" "^1.4.0"
 
@@ -2395,140 +2395,140 @@
   resolved "https://registry.yarnpkg.com/@glimmer/low-level/-/low-level-0.78.2.tgz#bca5f666760ce98345e87c5b3e37096e772cb2de"
   integrity sha512-0S6TWOOd0fzLLysw1pWZN0TgasaHmYs1Sjz9Til1mTByIXU1S+1rhdyr2veSQPO/aRjPuEQyKXZQHvx23Zax6w==
 
-"@glimmer/manager@0.80.2":
-  version "0.80.2"
-  resolved "https://registry.yarnpkg.com/@glimmer/manager/-/manager-0.80.2.tgz#739d9766a21d62965bb322f5c57a7e984af35a1f"
-  integrity sha512-9Fz+R67cqXeDkFBBfag3HNE4bla0Y2BCmzo/VSPzt6dI/2qzWl+MTDyiu85RffAnMZgXuqMUElizcsuq3hWERg==
+"@glimmer/manager@0.83.1":
+  version "0.83.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/manager/-/manager-0.83.1.tgz#07e02a40f89cba3eee86b05a2557daa2ef151f6f"
+  integrity sha512-w3JXvtB/S3Bbiv/zIoUP9QmIliIPlmKrF9r4aVeyq24NIE7Dig/R+7/2pkEbqS3nOWizIRswEPqmvWRpMCilmA==
   dependencies:
-    "@glimmer/destroyable" "0.80.2"
+    "@glimmer/destroyable" "0.83.1"
     "@glimmer/env" "0.1.7"
-    "@glimmer/interfaces" "0.80.2"
-    "@glimmer/reference" "0.80.2"
-    "@glimmer/util" "0.80.2"
-    "@glimmer/validator" "0.80.2"
-
-"@glimmer/node@0.80.2":
-  version "0.80.2"
-  resolved "https://registry.yarnpkg.com/@glimmer/node/-/node-0.80.2.tgz#651055876ca4c95fc5159f7918da1ea715e222e6"
-  integrity sha512-Urtey5+Jla2sjJSeYnjIYii9pei7bLr/8dPxbVkmJEh8oK3YIcz7YNymFjXxce2Vxdnj1A1KussGzBcK0FP3pA==
-  dependencies:
-    "@glimmer/interfaces" "0.80.2"
-    "@glimmer/runtime" "0.80.2"
-    "@glimmer/util" "0.80.2"
+    "@glimmer/interfaces" "0.83.1"
+    "@glimmer/reference" "0.83.1"
+    "@glimmer/util" "0.83.1"
+    "@glimmer/validator" "0.83.1"
+
+"@glimmer/node@0.83.1":
+  version "0.83.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/node/-/node-0.83.1.tgz#a9c87ee9196ab317b9221f4cfe3443a83da447d5"
+  integrity sha512-qog6RV0iLenedxBU2ItLiukP9AP9Wtm/eJK/UbzYHVJjE/9ty4IcrIMHPjs56cGdHfRJO7G9E5XcEBy3W0bKZg==
+  dependencies:
+    "@glimmer/interfaces" "0.83.1"
+    "@glimmer/runtime" "0.83.1"
+    "@glimmer/util" "0.83.1"
     "@simple-dom/document" "^1.4.0"
     "@simple-dom/interface" "^1.4.0"
 
-"@glimmer/opcode-compiler@0.80.2":
-  version "0.80.2"
-  resolved "https://registry.yarnpkg.com/@glimmer/opcode-compiler/-/opcode-compiler-0.80.2.tgz#be6fe3d0c7e82e1d903a9b594b017236c035018b"
-  integrity sha512-STGh/F8NaYxDVG6rPM97t/A9fnOpU+uK0BQEhRLsx/iGvq8PyE966p4LKyRAbmbuFTLhbZE7E/68Y0k0eWQc6Q==
+"@glimmer/opcode-compiler@0.83.1":
+  version "0.83.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/opcode-compiler/-/opcode-compiler-0.83.1.tgz#22aa25711326a2d9e02f618ea01788349303d15a"
+  integrity sha512-fkkRRp+Xoe8khGqHg4DNtT6IDgxxozo5ZZiy6eG7YtDAOx2ZGO3K3rZrp7v148T0q+u47Z++aotS5z4pakFK/A==
   dependencies:
-    "@glimmer/encoder" "0.80.2"
+    "@glimmer/encoder" "0.83.1"
     "@glimmer/env" "0.1.7"
-    "@glimmer/interfaces" "0.80.2"
-    "@glimmer/reference" "0.80.2"
-    "@glimmer/util" "0.80.2"
-    "@glimmer/vm" "0.80.2"
-    "@glimmer/wire-format" "0.80.2"
+    "@glimmer/interfaces" "0.83.1"
+    "@glimmer/reference" "0.83.1"
+    "@glimmer/util" "0.83.1"
+    "@glimmer/vm" "0.83.1"
+    "@glimmer/wire-format" "0.83.1"
 
-"@glimmer/owner@0.80.2":
-  version "0.80.2"
-  resolved "https://registry.yarnpkg.com/@glimmer/owner/-/owner-0.80.2.tgz#34cf1b70ab3f061d8675c941cecaf3fcc319af3b"
-  integrity sha512-jEwaRA0oEEPaJDHs/5MlWm3fEmhN8qp3NJlLYs5Duviks+tEhtmB1zr3Jg+7TAMrJloRo9iadt4TrZzezgRAIQ==
+"@glimmer/owner@0.83.1":
+  version "0.83.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/owner/-/owner-0.83.1.tgz#b55261035d8a62dc26c9243e5a521c615dea83d1"
+  integrity sha512-OrYPJsn/BZ3Bij17Nnno+GuBgLh7z31DRaRZEZbPCZ1i6FyZMOI1qqZo3taOeOTUTKxLaNhxG5BqyiJPFwxUyA==
   dependencies:
-    "@glimmer/util" "0.80.2"
+    "@glimmer/util" "0.83.1"
 
-"@glimmer/program@0.80.2":
-  version "0.80.2"
-  resolved "https://registry.yarnpkg.com/@glimmer/program/-/program-0.80.2.tgz#dc1a582c564f735f4021d3eb6c54047c237c264f"
-  integrity sha512-MpPJgeCc/yj9uawG4kqBxzVOuJNky3WB9g3Cm21k0Z+YACdguC2UjXUoA9PvjfrLEj+7eajE0wQ+QTbztOwVtQ==
+"@glimmer/program@0.83.1":
+  version "0.83.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/program/-/program-0.83.1.tgz#2a589f369ce06a37b7a7ec7fd550db708ddc6ee5"
+  integrity sha512-imQx5s6P69simF8oBtruX9Pn9j+aHt6MiAehTiWq+c8kvSsTZnQlYVHCQWfczDRrOcEOb2FvIuuo7C3+TcsKNQ==
   dependencies:
-    "@glimmer/encoder" "0.80.2"
+    "@glimmer/encoder" "0.83.1"
     "@glimmer/env" "0.1.7"
-    "@glimmer/interfaces" "0.80.2"
-    "@glimmer/manager" "0.80.2"
-    "@glimmer/opcode-compiler" "0.80.2"
-    "@glimmer/util" "0.80.2"
+    "@glimmer/interfaces" "0.83.1"
+    "@glimmer/manager" "0.83.1"
+    "@glimmer/opcode-compiler" "0.83.1"
+    "@glimmer/util" "0.83.1"
 
-"@glimmer/reference@0.80.2":
-  version "0.80.2"
-  resolved "https://registry.yarnpkg.com/@glimmer/reference/-/reference-0.80.2.tgz#db14f64592bd7f505d47527eacc298a1ba7f8ea5"
-  integrity sha512-uXRc912/kAoXgNu2MIWcqARyMUq+h+N82LiNXg0mYo/SYaxT1ag3uVw6nM82ou9ii0lLWKY1fP/4knuSwu0rbA==
+"@glimmer/reference@0.83.1":
+  version "0.83.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/reference/-/reference-0.83.1.tgz#0345b95431b5bb19843b308e6311d1ef81e36192"
+  integrity sha512-BThEwDlMkJB1WBPWDrww+VxgGyDbwxh5FFPvGhkovvCZnCb7fAMUCt9pi6CUZtviugkWOBFtE9P4eZZbOLkXeg==
   dependencies:
     "@glimmer/env" "^0.1.7"
-    "@glimmer/global-context" "0.80.2"
-    "@glimmer/interfaces" "0.80.2"
-    "@glimmer/util" "0.80.2"
-    "@glimmer/validator" "0.80.2"
+    "@glimmer/global-context" "0.83.1"
+    "@glimmer/interfaces" "0.83.1"
+    "@glimmer/util" "0.83.1"
+    "@glimmer/validator" "0.83.1"
 
-"@glimmer/runtime@0.80.2":
-  version "0.80.2"
-  resolved "https://registry.yarnpkg.com/@glimmer/runtime/-/runtime-0.80.2.tgz#14895a6d2a0c7214163a21579a7980f8784dfd6c"
-  integrity sha512-7g12Eyo/fQpKICXXW/+cQCA/mYr4ugOrM7YiZSYtAdm1gIQqQFbxnod2iLgFgISDqRHf8cKTsuZw7+yeIwQNIA==
+"@glimmer/runtime@0.83.1":
+  version "0.83.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/runtime/-/runtime-0.83.1.tgz#fe285189b0ec51e00e558204b53ea761690c620f"
+  integrity sha512-el1SxV6SIq3bEB9h0Tz2RWy9AHpEZOjmeyf/cu4sneoDQi3POURJZWf1ptxBs62A0Ae2Rq32SFtuYte/THucQQ==
   dependencies:
-    "@glimmer/destroyable" "0.80.2"
+    "@glimmer/destroyable" "0.83.1"
     "@glimmer/env" "0.1.7"
-    "@glimmer/global-context" "0.80.2"
-    "@glimmer/interfaces" "0.80.2"
+    "@glimmer/global-context" "0.83.1"
+    "@glimmer/interfaces" "0.83.1"
     "@glimmer/low-level" "0.78.2"
-    "@glimmer/owner" "0.80.2"
-    "@glimmer/program" "0.80.2"
-    "@glimmer/reference" "0.80.2"
-    "@glimmer/util" "0.80.2"
-    "@glimmer/validator" "0.80.2"
-    "@glimmer/vm" "0.80.2"
-    "@glimmer/wire-format" "0.80.2"
+    "@glimmer/owner" "0.83.1"
+    "@glimmer/program" "0.83.1"
+    "@glimmer/reference" "0.83.1"
+    "@glimmer/util" "0.83.1"
+    "@glimmer/validator" "0.83.1"
+    "@glimmer/vm" "0.83.1"
+    "@glimmer/wire-format" "0.83.1"
     "@simple-dom/interface" "^1.4.0"
 
-"@glimmer/syntax@0.80.2":
-  version "0.80.2"
-  resolved "https://registry.yarnpkg.com/@glimmer/syntax/-/syntax-0.80.2.tgz#2123a0c28c9a9d39b42392aaa3df8b7f3706645b"
-  integrity sha512-30H1RtmjCW5miO4codNPWgyO0UOeBaDuc7ohSuG0E85djh444ImfJwlLE/cW6C4pLb38OeG8vEPODnppWV3XUg==
+"@glimmer/syntax@0.83.1":
+  version "0.83.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/syntax/-/syntax-0.83.1.tgz#7e18dd445871c157ba0281f12a4fbf316fa49b41"
+  integrity sha512-n3vEd0GtjtgkOsd2gqkSimp8ecqq5KrHyana/s1XJZvVAPD5rMWT9WvAVWG8XAktns8BxjwLIUoj/vkOfA+eHg==
   dependencies:
-    "@glimmer/interfaces" "0.80.2"
-    "@glimmer/util" "0.80.2"
+    "@glimmer/interfaces" "0.83.1"
+    "@glimmer/util" "0.83.1"
     "@handlebars/parser" "~2.0.0"
-    simple-html-tokenizer "^0.5.10"
+    simple-html-tokenizer "^0.5.11"
 
-"@glimmer/util@0.80.2":
-  version "0.80.2"
-  resolved "https://registry.yarnpkg.com/@glimmer/util/-/util-0.80.2.tgz#a1dbb11575255a478c0ba161d521cdbad8c3410d"
-  integrity sha512-GniMILqLJ+dWiwmO/UOBPCqwMYEPYoFW3e/mInUbKn0YBenf/M6hJhnPI7Z11NpObknq3s5nNLkDcmR3gdFmHA==
+"@glimmer/util@0.83.1":
+  version "0.83.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/util/-/util-0.83.1.tgz#cc7511b03164d658cf6e3262fce5a0fcb82edceb"
+  integrity sha512-amvjtl9dvrkxsoitXAly9W5NUaLIE3A2J2tWhBWIL1Z6DOFotfX7ytIosOIcPhJLZCtiXPHzMutQRv0G/MSMsA==
   dependencies:
     "@glimmer/env" "0.1.7"
-    "@glimmer/interfaces" "0.80.2"
+    "@glimmer/interfaces" "0.83.1"
     "@simple-dom/interface" "^1.4.0"
 
-"@glimmer/validator@0.80.2":
-  version "0.80.2"
-  resolved "https://registry.yarnpkg.com/@glimmer/validator/-/validator-0.80.2.tgz#4ac1faf608913c88d0dab54a37068bbdf6edc62a"
-  integrity sha512-m5K0IxStWHM5vJbJDDXhnr2LGAnC469RclA6jazbtl3fVHEg5njzsQYUIfRTxFpgPK3QEyRJrR6r3PG9RCMnDw==
+"@glimmer/validator@0.83.1":
+  version "0.83.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/validator/-/validator-0.83.1.tgz#7578cb2284f728c8e9302c51fc6e7660b570ac54"
+  integrity sha512-LaILSNnQgDHZpaUsfjVndbS1JfVn0xdTlJdFJblPbhoVklOBSReZVekens3EQ6xOr3BC612sRm1hBnEPixOY6A==
   dependencies:
     "@glimmer/env" "^0.1.7"
-    "@glimmer/global-context" "0.80.2"
+    "@glimmer/global-context" "0.83.1"
 
-"@glimmer/vm-babel-plugins@0.80.2":
-  version "0.80.2"
-  resolved "https://registry.yarnpkg.com/@glimmer/vm-babel-plugins/-/vm-babel-plugins-0.80.2.tgz#6e3b6b0ec06994084b44fca1f19c20fd945df454"
-  integrity sha512-ufdz76tVz3TivS8Bb92n/v6yXNX8zgREDwR3ju45ZO48yWexySllUBFOvwCAmPIoHSQGq8LyIwJGESIJLacr6A==
+"@glimmer/vm-babel-plugins@0.83.1":
+  version "0.83.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/vm-babel-plugins/-/vm-babel-plugins-0.83.1.tgz#5da67e3d84199352bbf0c5bc3f1ce71bf2b2ddfc"
+  integrity sha512-Cz0e/SrOo1gSNA0PXZRYI1WGmlQSAQCpiERBlXjjpwoLgiqx2kvsjfFiCUC/CfpsO6WN6wuPMeTFGJuhSSeL5A==
   dependencies:
     babel-plugin-debug-macros "^0.3.4"
 
-"@glimmer/vm@0.80.2":
-  version "0.80.2"
-  resolved "https://registry.yarnpkg.com/@glimmer/vm/-/vm-0.80.2.tgz#33f875b0b8e2cc5a6c3d5c1548dbbc333631f6ac"
-  integrity sha512-5dk76zuc2wRR6L2FVHJIX0MQ3AuawXoO2JW/i5nP8wu3r3jXXrvUbtwtR2DCq6lasmyjk5pygtf+DSaawrezqg==
+"@glimmer/vm@0.83.1":
+  version "0.83.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/vm/-/vm-0.83.1.tgz#ee9611d8a13e7b5923721258600c6085fe165d0b"
+  integrity sha512-mZguahHZJKWwlcU0n5U7mcpxwcIlogHkecYyOsOPPZe2mnAID/8xmZZcFlRAShA/Z98mo4S0WLE6sY/jJ9M1WA==
   dependencies:
-    "@glimmer/interfaces" "0.80.2"
-    "@glimmer/util" "0.80.2"
+    "@glimmer/interfaces" "0.83.1"
+    "@glimmer/util" "0.83.1"
 
-"@glimmer/wire-format@0.80.2":
-  version "0.80.2"
-  resolved "https://registry.yarnpkg.com/@glimmer/wire-format/-/wire-format-0.80.2.tgz#ae7c7bd2e2a56aca6110b6d7048dae6ac99d340e"
-  integrity sha512-UE7P2AJNs9snKr8LRd4LDZYRmOybYJodUl4vfdntmBeYHiGNWWKpft1tgg5IDdBgmYPvoOEaRQUoIkdMhMT6aA==
+"@glimmer/wire-format@0.83.1":
+  version "0.83.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/wire-format/-/wire-format-0.83.1.tgz#a36f0b80d9cf9f57498bfea5ddbf6d118f96475d"
+  integrity sha512-2WZ7c7tqHXDrznnFFguw7QJOgUUglnHEHzpSqPFvw1S46NecFMG0v9Q7LQRjeCKH+cwExeD6LbbF2dpKIhoJcg==
   dependencies:
-    "@glimmer/interfaces" "0.80.2"
-    "@glimmer/util" "0.80.2"
+    "@glimmer/interfaces" "0.83.1"
+    "@glimmer/util" "0.83.1"
 
 "@handlebars/parser@~2.0.0":
   version "2.0.0"
@@ -10533,10 +10533,10 @@ simple-dom@^1.4.0:
     "@simple-dom/serializer" "^1.4.0"
     "@simple-dom/void-map" "^1.4.0"
 
-simple-html-tokenizer@^0.5.10:
-  version "0.5.10"
-  resolved "https://registry.yarnpkg.com/simple-html-tokenizer/-/simple-html-tokenizer-0.5.10.tgz#0843e4f00c9677f1c81e3dfeefcee0a4aca8e5d0"
-  integrity sha512-1DHMUmvUOGuUZ9/+cX/+hOhWhRD5dEw6lodn8WuV+T+cQ31hhBcCu1dcDsNotowi4mMaNhrLyKoS+DtB81HdDA==
+simple-html-tokenizer@^0.5.11:
+  version "0.5.11"
+  resolved "https://registry.yarnpkg.com/simple-html-tokenizer/-/simple-html-tokenizer-0.5.11.tgz#4c5186083c164ba22a7b477b7687ac056ad6b1d9"
+  integrity sha512-C2WEK/Z3HoSFbYq8tI7ni3eOo/NneSPRoPpcM7WdLjFOArFuyXEjAoCdOC3DgMfRyziZQ1hCNR4mrNdWEvD0og==
 
 slash@^3.0.0:
   version "3.0.0"