diff --git a/package.json b/package.json
index ea4586d80cd..758fd597fdf 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
     "@babel/plugin-transform-block-scoping": "^7.8.3",
     "@babel/plugin-transform-object-assign": "^7.8.3",
     "@ember/edition-utils": "^1.2.0",
-    "@glimmer/vm-babel-plugins": "0.76.0",
+    "@glimmer/vm-babel-plugins": "0.77.1",
     "babel-plugin-debug-macros": "^0.3.3",
     "babel-plugin-filter-imports": "^4.0.0",
     "broccoli-concat": "^4.2.4",
@@ -75,19 +75,19 @@
   },
   "devDependencies": {
     "@babel/preset-env": "^7.9.5",
-    "@glimmer/compiler": "0.76.0",
+    "@glimmer/compiler": "0.77.1",
     "@glimmer/env": "^0.1.7",
-    "@glimmer/global-context": "0.76.0",
-    "@glimmer/interfaces": "0.76.0",
-    "@glimmer/manager": "0.76.0",
-    "@glimmer/destroyable": "0.76.0",
-    "@glimmer/owner": "0.76.0",
-    "@glimmer/node": "0.76.0",
-    "@glimmer/opcode-compiler": "0.76.0",
-    "@glimmer/program": "0.76.0",
-    "@glimmer/reference": "0.76.0",
-    "@glimmer/runtime": "0.76.0",
-    "@glimmer/validator": "0.76.0",
+    "@glimmer/global-context": "0.77.1",
+    "@glimmer/interfaces": "0.77.1",
+    "@glimmer/manager": "0.77.1",
+    "@glimmer/destroyable": "0.77.1",
+    "@glimmer/owner": "0.77.1",
+    "@glimmer/node": "0.77.1",
+    "@glimmer/opcode-compiler": "0.77.1",
+    "@glimmer/program": "0.77.1",
+    "@glimmer/reference": "0.77.1",
+    "@glimmer/runtime": "0.77.1",
+    "@glimmer/validator": "0.77.1",
     "@simple-dom/document": "^1.4.0",
     "@types/qunit": "^2.9.1",
     "@types/rsvp": "^4.0.3",
diff --git a/packages/@ember/-internals/glimmer/lib/helpers/-in-element-null-check.ts b/packages/@ember/-internals/glimmer/lib/helpers/-in-element-null-check.ts
index 97cd913abe3..dfb7b7aa178 100644
--- a/packages/@ember/-internals/glimmer/lib/helpers/-in-element-null-check.ts
+++ b/packages/@ember/-internals/glimmer/lib/helpers/-in-element-null-check.ts
@@ -1,14 +1,14 @@
 import { assert } from '@ember/debug';
 import { DEBUG } from '@glimmer/env';
-import { Helper, VMArguments } from '@glimmer/interfaces';
+import { CapturedArguments, Helper } from '@glimmer/interfaces';
 import { createComputeRef, valueForRef } from '@glimmer/reference';
 import { internalHelper } from './internal-helper';
 
 let helper: Helper;
 
 if (DEBUG) {
-  helper = (args: VMArguments) => {
-    let inner = args.positional.at(0);
+  helper = (args: CapturedArguments) => {
+    let inner = args.positional[0];
 
     return createComputeRef(() => {
       let value = valueForRef(inner);
@@ -22,7 +22,7 @@ if (DEBUG) {
     });
   };
 } else {
-  helper = (args: VMArguments) => args.positional.at(0);
+  helper = (args: CapturedArguments) => args.positional[0];
 }
 
 export default internalHelper(helper);
diff --git a/packages/@ember/-internals/glimmer/lib/helpers/-normalize-class.ts b/packages/@ember/-internals/glimmer/lib/helpers/-normalize-class.ts
index 940524cf7fb..9db32be2b00 100644
--- a/packages/@ember/-internals/glimmer/lib/helpers/-normalize-class.ts
+++ b/packages/@ember/-internals/glimmer/lib/helpers/-normalize-class.ts
@@ -1,11 +1,9 @@
 import { dasherize } from '@ember/string';
-import { VMArguments } from '@glimmer/interfaces';
+import { CapturedArguments } from '@glimmer/interfaces';
 import { createComputeRef, valueForRef } from '@glimmer/reference';
 import { internalHelper } from './internal-helper';
 
-export default internalHelper((args: VMArguments) => {
-  let positional = args.positional.capture();
-
+export default internalHelper(({ positional }: CapturedArguments) => {
   return createComputeRef(() => {
     let classNameParts = (valueForRef(positional[0]) as string).split('.');
     let className = classNameParts[classNameParts.length - 1];
diff --git a/packages/@ember/-internals/glimmer/lib/helpers/-track-array.ts b/packages/@ember/-internals/glimmer/lib/helpers/-track-array.ts
index f91c576259b..a4c91c38848 100644
--- a/packages/@ember/-internals/glimmer/lib/helpers/-track-array.ts
+++ b/packages/@ember/-internals/glimmer/lib/helpers/-track-array.ts
@@ -3,7 +3,7 @@
 */
 import { tagForProperty } from '@ember/-internals/metal';
 import { isObject } from '@ember/-internals/utils';
-import { VMArguments } from '@glimmer/interfaces';
+import { CapturedArguments } from '@glimmer/interfaces';
 import { createComputeRef, valueForRef } from '@glimmer/reference';
 import { consumeTag } from '@glimmer/validator';
 import { internalHelper } from './internal-helper';
@@ -13,8 +13,8 @@ import { internalHelper } from './internal-helper';
   updates to `{{each}}` when it changes. It is put into place by a template
   transform at build time, similar to the (-each-in) helper
 */
-export default internalHelper((args: VMArguments) => {
-  let inner = args.positional.at(0);
+export default internalHelper(({ positional }: CapturedArguments) => {
+  let inner = positional[0];
 
   return createComputeRef(() => {
     let iterable = valueForRef(inner);
diff --git a/packages/@ember/-internals/glimmer/lib/helpers/action.ts b/packages/@ember/-internals/glimmer/lib/helpers/action.ts
index d5e9d59a248..e27ed4e11cc 100644
--- a/packages/@ember/-internals/glimmer/lib/helpers/action.ts
+++ b/packages/@ember/-internals/glimmer/lib/helpers/action.ts
@@ -7,7 +7,7 @@ import { assert, deprecate } from '@ember/debug';
 import { flaggedInstrument } from '@ember/instrumentation';
 import { join } from '@ember/runloop';
 import { DEBUG } from '@glimmer/env';
-import { VMArguments } from '@glimmer/interfaces';
+import { CapturedArguments } from '@glimmer/interfaces';
 import {
   createUnboundRef,
   isInvokableRef,
@@ -285,21 +285,18 @@ export const INVOKE: unique symbol = symbol('INVOKE') as any;
   @public
 */
 export default internalHelper(
-  (args: VMArguments): Reference<Function> => {
+  (args: CapturedArguments): Reference<Function> => {
     let { named, positional } = args;
-
-    let capturedArgs = positional.capture();
-
     // The first two argument slots are reserved.
     // pos[0] is the context (or `this`)
     // pos[1] is the action name or function
     // Anything else is an action argument.
-    let [context, action, ...restArgs] = capturedArgs;
+    let [context, action, ...restArgs] = positional;
 
     let debugKey: string = action.debugLabel!;
 
-    let target = named.has('target') ? named.get('target') : context;
-    let processArgs = makeArgsProcessor(named.has('value') && named.get('value'), restArgs);
+    let target = 'target' in named ? named.target : context;
+    let processArgs = makeArgsProcessor('value' in named && named.value, restArgs);
 
     let fn: Function;
 
diff --git a/packages/@ember/-internals/glimmer/lib/helpers/each-in.ts b/packages/@ember/-internals/glimmer/lib/helpers/each-in.ts
index 64143fa99c4..cff217d855f 100644
--- a/packages/@ember/-internals/glimmer/lib/helpers/each-in.ts
+++ b/packages/@ember/-internals/glimmer/lib/helpers/each-in.ts
@@ -4,7 +4,7 @@
 import { tagForObject } from '@ember/-internals/metal';
 import { _contentFor } from '@ember/-internals/runtime';
 import { isProxy } from '@ember/-internals/utils';
-import { VMArguments } from '@glimmer/interfaces';
+import { CapturedArguments } from '@glimmer/interfaces';
 import { createComputeRef, valueForRef } from '@glimmer/reference';
 import { consumeTag } from '@glimmer/validator';
 import { internalHelper } from './internal-helper';
@@ -159,8 +159,8 @@ export class EachInWrapper {
   constructor(public inner: unknown) {}
 }
 
-export default internalHelper((args: VMArguments) => {
-  let inner = args.positional.at(0);
+export default internalHelper(({ positional }: CapturedArguments) => {
+  let inner = positional[0];
 
   return createComputeRef(() => {
     let iterable = valueForRef(inner);
diff --git a/packages/@ember/-internals/glimmer/lib/helpers/internal-helper.ts b/packages/@ember/-internals/glimmer/lib/helpers/internal-helper.ts
index 99645339afc..deecefd3fe3 100644
--- a/packages/@ember/-internals/glimmer/lib/helpers/internal-helper.ts
+++ b/packages/@ember/-internals/glimmer/lib/helpers/internal-helper.ts
@@ -1,6 +1,7 @@
+import { Owner } from '@ember/-internals/owner';
 import { Helper, HelperDefinitionState } from '@glimmer/interfaces';
 import { setInternalHelperManager } from '@glimmer/manager';
 
-export function internalHelper(helper: Helper): HelperDefinitionState {
+export function internalHelper(helper: Helper<Owner>): HelperDefinitionState {
   return setInternalHelperManager(helper, {});
 }
diff --git a/packages/@ember/-internals/glimmer/lib/helpers/mut.ts b/packages/@ember/-internals/glimmer/lib/helpers/mut.ts
index b7c7c2a9fee..3c073fc6ae6 100644
--- a/packages/@ember/-internals/glimmer/lib/helpers/mut.ts
+++ b/packages/@ember/-internals/glimmer/lib/helpers/mut.ts
@@ -2,7 +2,7 @@
 @module ember
 */
 import { assert } from '@ember/debug';
-import { VMArguments } from '@glimmer/interfaces';
+import { CapturedArguments } from '@glimmer/interfaces';
 import { createInvokableRef, isUpdatableRef } from '@glimmer/reference';
 import { internalHelper } from './internal-helper';
 
@@ -80,8 +80,8 @@ import { internalHelper } from './internal-helper';
   @public
 */
 
-export default internalHelper((args: VMArguments) => {
-  let ref = args.positional.at(0);
+export default internalHelper(({ positional }: CapturedArguments) => {
+  let ref = positional[0];
 
   // TODO: Improve this error message. This covers at least two distinct
   // cases:
diff --git a/packages/@ember/-internals/glimmer/lib/helpers/query-param.ts b/packages/@ember/-internals/glimmer/lib/helpers/query-param.ts
index 98f4d047dbb..a0bb4b22a4e 100644
--- a/packages/@ember/-internals/glimmer/lib/helpers/query-param.ts
+++ b/packages/@ember/-internals/glimmer/lib/helpers/query-param.ts
@@ -4,7 +4,7 @@
 import { QueryParams } from '@ember/-internals/routing';
 import { assert, deprecate } from '@ember/debug';
 import { assign } from '@ember/polyfills';
-import { VMArguments } from '@glimmer/interfaces';
+import { CapturedArguments } from '@glimmer/interfaces';
 import { createComputeRef } from '@glimmer/reference';
 import { reifyNamed } from '@glimmer/runtime';
 import { internalHelper } from './internal-helper';
@@ -30,9 +30,7 @@ import { internalHelper } from './internal-helper';
   @return {Object} A `QueryParams` object for `{{link-to}}`
   @public
 */
-export default internalHelper((args: VMArguments) => {
-  let { positional, named } = args.capture();
-
+export default internalHelper(({ positional, named }: CapturedArguments) => {
   return createComputeRef(() => {
     assert(
       "The `query-params` helper only accepts named arguments, e.g. (query-params queryParamPropertyName='foo') as opposed to (query-params 'foo')",
diff --git a/packages/@ember/-internals/glimmer/lib/helpers/readonly.ts b/packages/@ember/-internals/glimmer/lib/helpers/readonly.ts
index f2f6b53b333..98328c11145 100644
--- a/packages/@ember/-internals/glimmer/lib/helpers/readonly.ts
+++ b/packages/@ember/-internals/glimmer/lib/helpers/readonly.ts
@@ -1,7 +1,7 @@
 /**
 @module ember
 */
-import { VMArguments } from '@glimmer/interfaces';
+import { CapturedArguments } from '@glimmer/interfaces';
 import { createReadOnlyRef } from '@glimmer/reference';
 import { internalHelper } from './internal-helper';
 
@@ -120,6 +120,6 @@ import { internalHelper } from './internal-helper';
   @for Ember.Templates.helpers
   @private
 */
-export default internalHelper((args: VMArguments) => {
-  return createReadOnlyRef(args.positional.at(0));
+export default internalHelper(({ positional }: CapturedArguments) => {
+  return createReadOnlyRef(positional[0]);
 });
diff --git a/packages/@ember/-internals/glimmer/lib/helpers/unbound.ts b/packages/@ember/-internals/glimmer/lib/helpers/unbound.ts
index 474c39b1f00..e119f0c3903 100644
--- a/packages/@ember/-internals/glimmer/lib/helpers/unbound.ts
+++ b/packages/@ember/-internals/glimmer/lib/helpers/unbound.ts
@@ -3,7 +3,7 @@
 */
 
 import { assert } from '@ember/debug';
-import { VMArguments } from '@glimmer/interfaces';
+import { CapturedArguments } from '@glimmer/interfaces';
 import { createUnboundRef, valueForRef } from '@glimmer/reference';
 import { internalHelper } from './internal-helper';
 
@@ -35,11 +35,11 @@ import { internalHelper } from './internal-helper';
   @public
 */
 
-export default internalHelper((args: VMArguments) => {
+export default internalHelper(({ positional, named }: CapturedArguments) => {
   assert(
     'unbound helper cannot be called with multiple params or hash params',
-    args.positional.length === 1 && args.named.length === 0
+    positional.length === 1 && Object.keys(named).length === 0
   );
 
-  return createUnboundRef(valueForRef(args.positional.at(0)), '(resurt of an `unbound` helper)');
+  return createUnboundRef(valueForRef(positional[0]), '(resurt of an `unbound` helper)');
 });
diff --git a/packages/@ember/-internals/glimmer/lib/modifiers/action.ts b/packages/@ember/-internals/glimmer/lib/modifiers/action.ts
index 165df09fa1e..f3678a76b96 100644
--- a/packages/@ember/-internals/glimmer/lib/modifiers/action.ts
+++ b/packages/@ember/-internals/glimmer/lib/modifiers/action.ts
@@ -7,12 +7,10 @@ import { join } from '@ember/runloop';
 import { registerDestructor } from '@glimmer/destroyable';
 import { DEBUG } from '@glimmer/env';
 import {
+  CapturedArguments,
   CapturedNamedArguments,
   CapturedPositionalArguments,
-  DynamicScope,
-  GlimmerTreeChanges,
   InternalModifierManager,
-  VMArguments,
 } from '@glimmer/interfaces';
 import { setInternalModifierManager } from '@glimmer/manager';
 import { isInvokableRef, updateRef, valueForRef } from '@glimmer/reference';
@@ -73,7 +71,6 @@ export class ActionState {
   public namedArgs: CapturedNamedArguments;
   public positional: CapturedPositionalArguments;
   public implicitTarget: any;
-  public dom: GlimmerTreeChanges;
   public eventName: any;
   public tag = createUpdatableTag();
 
@@ -82,15 +79,13 @@ export class ActionState {
     actionId: number,
     actionArgs: any[],
     namedArgs: CapturedNamedArguments,
-    positionalArgs: CapturedPositionalArguments,
-    dom: GlimmerTreeChanges
+    positionalArgs: CapturedPositionalArguments
   ) {
     this.element = element;
     this.actionId = actionId;
     this.actionArgs = actionArgs;
     this.namedArgs = namedArgs;
     this.positional = positionalArgs;
-    this.dom = dom;
     this.eventName = this.getEventName();
 
     registerDestructor(this, () => ActionHelper.unregisterAction(this));
@@ -208,12 +203,8 @@ class ActionModifierManager implements InternalModifierManager<ActionState, obje
     _owner: Owner,
     element: SimpleElement,
     _state: object,
-    args: VMArguments,
-    _dynamicScope: DynamicScope,
-    dom: GlimmerTreeChanges
+    { named, positional }: CapturedArguments
   ): ActionState {
-    let { named, positional } = args.capture();
-
     let actionArgs: any[] = [];
     // The first two arguments are (1) `this` and (2) the action name.
     // Everything else is a param.
@@ -222,7 +213,7 @@ class ActionModifierManager implements InternalModifierManager<ActionState, obje
     }
 
     let actionId = uuid();
-    let actionState = new ActionState(element, actionId, actionArgs, named, positional, dom);
+    let actionState = new ActionState(element, actionId, actionArgs, named, positional);
 
     deprecate(
       `Using the \`{{action}}\` modifier with \`${actionState.eventName}\` events has been deprecated.`,
@@ -248,7 +239,7 @@ class ActionModifierManager implements InternalModifierManager<ActionState, obje
   }
 
   install(actionState: ActionState): void {
-    let { dom, element, actionId, positional } = actionState;
+    let { element, actionId, positional } = actionState;
 
     let actionName;
     let actionNameRef: any;
@@ -288,8 +279,8 @@ class ActionModifierManager implements InternalModifierManager<ActionState, obje
 
     ActionHelper.registerAction(actionState);
 
-    dom.setAttribute(element, 'data-ember-action', '');
-    dom.setAttribute(element, `data-ember-action-${actionId}`, String(actionId));
+    element.setAttribute('data-ember-action', '');
+    element.setAttribute(`data-ember-action-${actionId}`, String(actionId));
   }
 
   update(actionState: ActionState): void {
diff --git a/packages/@ember/-internals/glimmer/lib/modifiers/internal.ts b/packages/@ember/-internals/glimmer/lib/modifiers/internal.ts
index 35f0755546a..04fb84b54b2 100644
--- a/packages/@ember/-internals/glimmer/lib/modifiers/internal.ts
+++ b/packages/@ember/-internals/glimmer/lib/modifiers/internal.ts
@@ -6,7 +6,6 @@ import {
   CapturedArguments,
   Destroyable,
   InternalModifierManager as ModifierManager,
-  VMArguments,
 } from '@glimmer/interfaces';
 import { valueForRef } from '@glimmer/reference';
 import { SimpleElement } from '@simple-dom/interface';
@@ -60,12 +59,12 @@ export class InternalModifierManager
     owner: Owner,
     element: SimpleElement,
     _definition: unknown,
-    args: VMArguments
+    args: CapturedArguments
   ): InternalModifierState {
     assert('element must be an HTMLElement', element instanceof HTMLElement);
 
     let { ModifierClass } = this;
-    let instance = new ModifierClass(owner, element, args.capture());
+    let instance = new ModifierClass(owner, element, args);
 
     registerDestructor(instance, destructor);
 
diff --git a/packages/@ember/-internals/glimmer/lib/syntax/mount.ts b/packages/@ember/-internals/glimmer/lib/syntax/mount.ts
index 86ef25421f5..ad56720a0ea 100644
--- a/packages/@ember/-internals/glimmer/lib/syntax/mount.ts
+++ b/packages/@ember/-internals/glimmer/lib/syntax/mount.ts
@@ -4,7 +4,7 @@
 import { Owner } from '@ember/-internals/owner';
 import { assert } from '@ember/debug';
 import { DEBUG } from '@glimmer/env';
-import { CapturedArguments, CurriedType, Option, VM, VMArguments } from '@glimmer/interfaces';
+import { CapturedArguments, CurriedType, Option } from '@glimmer/interfaces';
 import { createComputeRef, Reference, valueForRef } from '@glimmer/reference';
 import { createCapturedArgs, CurriedValue, curry, EMPTY_POSITIONAL } from '@glimmer/runtime';
 import { MountDefinition } from '../component-managers/mount';
@@ -51,10 +51,10 @@ import { internalHelper } from '../helpers/internal-helper';
   @public
 */
 export const mountHelper = internalHelper(
-  (args: VMArguments, vm: VM): Reference<CurriedValue | null> => {
-    let owner = vm.getOwner() as Owner;
-    let nameRef = args.positional.at(0) as Reference<Option<string>>;
-    let captured: Option<CapturedArguments> = null;
+  (args: CapturedArguments, owner?: Owner): Reference<CurriedValue | null> => {
+    assert('{{mount}} must be used within a component that has an owner', owner);
+    let nameRef = args.positional[0] as Reference<Option<string>>;
+    let captured: CapturedArguments | null;
 
     assert(
       'You can only pass a single positional argument to the {{mount}} helper, e.g. {{mount "chat-engine"}}.',
@@ -62,7 +62,7 @@ export const mountHelper = internalHelper(
     );
 
     if (DEBUG && args.named) {
-      let keys = args.named.names;
+      let keys = Object.keys(args.named);
       let extra = keys.filter((k) => k !== 'model');
 
       assert(
@@ -73,19 +73,7 @@ export const mountHelper = internalHelper(
       );
     }
 
-    // TODO: the functionality to create a proper CapturedArgument should be
-    // exported by glimmer, or that it should provide an overload for `curry`
-    // that takes `PreparedArguments`
-    if (args.named.has('model')) {
-      assert(
-        '[BUG] this should already be checked by the template transform',
-        args.named.length === 1
-      );
-
-      let named = args.named.capture();
-
-      captured = createCapturedArgs(named, EMPTY_POSITIONAL);
-    }
+    captured = createCapturedArgs(args.named, EMPTY_POSITIONAL);
 
     let lastName: string | null, lastDef: CurriedValue | null;
 
@@ -99,7 +87,7 @@ export const mountHelper = internalHelper(
 
         assert(
           `You used \`{{mount '${name}'}}\`, but the engine '${name}' can not be found.`,
-          owner.hasRegistration(`engine:${name}`)
+          (owner as Owner).hasRegistration(`engine:${name}`)
         );
 
         lastName = name;
diff --git a/packages/@ember/-internals/glimmer/lib/syntax/outlet.ts b/packages/@ember/-internals/glimmer/lib/syntax/outlet.ts
index 3e09e025253..d5050b03a3a 100644
--- a/packages/@ember/-internals/glimmer/lib/syntax/outlet.ts
+++ b/packages/@ember/-internals/glimmer/lib/syntax/outlet.ts
@@ -1,5 +1,7 @@
+import { Owner } from '@ember/-internals/owner';
+import { assert } from '@ember/debug';
 import { DEBUG } from '@glimmer/env';
-import { CurriedType, VM, VMArguments } from '@glimmer/interfaces';
+import { CapturedArguments, CurriedType, DynamicScope } from '@glimmer/interfaces';
 import {
   childRefFromParts,
   createComputeRef,
@@ -12,7 +14,6 @@ import { createCapturedArgs, CurriedValue, curry, EMPTY_POSITIONAL } from '@glim
 import { dict } from '@glimmer/util';
 import { OutletComponentDefinition, OutletDefinitionState } from '../component-managers/outlet';
 import { internalHelper } from '../helpers/internal-helper';
-import { DynamicScope } from '../renderer';
 import { isTemplateFactory } from '../template';
 import { OutletState } from '../utils/outlet';
 
@@ -63,59 +64,63 @@ import { OutletState } from '../utils/outlet';
   @for Ember.Templates.helpers
   @public
 */
-export const outletHelper = internalHelper((args: VMArguments, vm: VM) => {
-  let scope = vm.dynamicScope() as DynamicScope;
-  let nameRef: Reference<string>;
-
-  if (args.positional.length === 0) {
-    nameRef = createPrimitiveRef('main');
-  } else {
-    nameRef = args.positional.at(0);
-  }
-
-  let outletRef = createComputeRef(() => {
-    let state = valueForRef(scope.get('outletState'));
-    let outlets = state !== undefined ? state.outlets : undefined;
-
-    return outlets !== undefined ? outlets[valueForRef(nameRef)] : undefined;
-  });
-
-  let lastState: OutletDefinitionState | null = null;
-  let definition: CurriedValue | null = null;
-
-  return createComputeRef(() => {
-    let outletState = valueForRef(outletRef);
-    let state = stateFor(outletRef, outletState);
-
-    if (!validate(state, lastState)) {
-      lastState = state;
-
-      if (state !== null) {
-        let named = dict<Reference>();
-        named.model = childRefFromParts(outletRef, ['render', 'model']);
+export const outletHelper = internalHelper(
+  (args: CapturedArguments, owner?: Owner, scope?: DynamicScope) => {
+    assert('Expected owner to be present, {{outlet}} requires an owner', owner);
+    assert(
+      'Expected dynamic scope to be present. You may have attempted to use the {{outlet}} keyword dynamically. This keyword cannot be used dynamically.',
+      scope
+    );
+    let nameRef: Reference<string>;
+
+    if (args.positional.length === 0) {
+      nameRef = createPrimitiveRef('main');
+    } else {
+      nameRef = args.positional[0];
+    }
 
-        if (DEBUG) {
-          named.model = createDebugAliasRef!('@model', named.model);
+    let outletRef = createComputeRef(() => {
+      let state = valueForRef(scope.get('outletState') as Reference<OutletState | undefined>);
+      let outlets = state !== undefined ? state.outlets : undefined;
+
+      return outlets !== undefined ? outlets[valueForRef(nameRef)] : undefined;
+    });
+
+    let lastState: OutletDefinitionState | null = null;
+    let definition: CurriedValue | null = null;
+
+    return createComputeRef(() => {
+      let outletState = valueForRef(outletRef);
+      let state = stateFor(outletRef, outletState);
+
+      if (!validate(state, lastState)) {
+        lastState = state;
+
+        if (state !== null) {
+          let named = dict<Reference>();
+          named.model = childRefFromParts(outletRef, ['render', 'model']);
+
+          if (DEBUG) {
+            named.model = createDebugAliasRef!('@model', named.model);
+          }
+
+          let args = createCapturedArgs(named, EMPTY_POSITIONAL);
+          definition = curry(
+            CurriedType.Component,
+            new OutletComponentDefinition(state),
+            outletState?.render?.owner ?? owner,
+            args,
+            true
+          );
+        } else {
+          definition = null;
         }
-
-        let owner = outletState?.render?.owner ?? vm.getOwner();
-
-        let args = createCapturedArgs(named, EMPTY_POSITIONAL);
-        definition = curry(
-          CurriedType.Component,
-          new OutletComponentDefinition(state),
-          owner,
-          args,
-          true
-        );
-      } else {
-        definition = null;
       }
-    }
 
-    return definition;
-  });
-});
+      return definition;
+    });
+  }
+);
 
 function stateFor(ref: Reference, outlet: OutletState | undefined): OutletDefinitionState | null {
   if (outlet === undefined) return null;
diff --git a/packages/internal-test-helpers/lib/define-template-values.ts b/packages/internal-test-helpers/lib/define-template-values.ts
index 1dc1afb09c7..49ee1752567 100644
--- a/packages/internal-test-helpers/lib/define-template-values.ts
+++ b/packages/internal-test-helpers/lib/define-template-values.ts
@@ -13,7 +13,6 @@ import {
   HelperManager,
   ModifierManager,
 } from '@glimmer/interfaces';
-import { SimpleElement } from '@simple-dom/interface';
 import compile from './compile';
 
 interface SimpleHelperState {
@@ -47,7 +46,7 @@ type SimpleModifierFn = (...args: unknown[]) => (() => void) | undefined;
 interface SimpleModifierState {
   fn: SimpleModifierFn;
   args: Arguments;
-  element: SimpleElement | undefined;
+  element: Element | undefined;
   destructor: (() => void) | undefined;
 }
 
@@ -58,7 +57,7 @@ class FunctionalModifierManager implements ModifierManager<SimpleModifierState>
     return { fn, args, element: undefined, destructor: undefined };
   }
 
-  installModifier(state: SimpleModifierState, element: SimpleElement) {
+  installModifier(state: SimpleModifierState, element: Element) {
     state.element = element;
     this.setupModifier(state);
   }
diff --git a/yarn.lock b/yarn.lock
index 5018fea3faa..d26911ac90a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1588,194 +1588,194 @@
     minimatch "^3.0.4"
     strip-json-comments "^3.1.1"
 
-"@glimmer/compiler@0.76.0":
-  version "0.76.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/compiler/-/compiler-0.76.0.tgz#669036cdbdb4c69049661d35c3520b740c0ef211"
-  integrity sha512-GFLsuOngd64VWT+kn9JQQSx9QdYy7JCMQ1whrnwsaNGjIIL8USXQs8Oif9b4ex1vcS1wz0E2KbxgYUvvgTssmg==
-  dependencies:
-    "@glimmer/interfaces" "0.76.0"
-    "@glimmer/syntax" "0.76.0"
-    "@glimmer/util" "0.76.0"
-    "@glimmer/wire-format" "0.76.0"
+"@glimmer/compiler@0.77.1":
+  version "0.77.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/compiler/-/compiler-0.77.1.tgz#1d31c5c695ee7cd1ee6c1ccad6e96fa11e334f63"
+  integrity sha512-gb2qFUtrnjeFm/JWmKzhXfHiQ3hzrgvIQMomh1CWyPz1e5oyw04UsOjBJCFcr0/xgpu9p8UMmEeKTkLCyROrTw==
+  dependencies:
+    "@glimmer/interfaces" "0.77.1"
+    "@glimmer/syntax" "0.77.1"
+    "@glimmer/util" "0.77.1"
+    "@glimmer/wire-format" "0.77.1"
     "@simple-dom/interface" "^1.4.0"
 
-"@glimmer/destroyable@0.76.0":
-  version "0.76.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/destroyable/-/destroyable-0.76.0.tgz#0512bcd474fcab2ddfbc3ca55ca77deb8b577858"
-  integrity sha512-DeIXL0pcR/Zz0mMYm2KM4kpI0cz/xY8IykB4EuP+TyP2T45aKl2xbaHGqEi72h7kSgFUJTQ8GTG1VxGeHOSurQ==
+"@glimmer/destroyable@0.77.1":
+  version "0.77.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/destroyable/-/destroyable-0.77.1.tgz#201308ac284a3466e46bad904526dd1dbf21ae72"
+  integrity sha512-E0kIvBbaLM36Wvvqt7LticXSTesTi2jQnXEXIr2u4dS128aaHIGlmpn6b/ITiJEVjJNFffaKqpfY1YuLjMaKpA==
   dependencies:
     "@glimmer/env" "0.1.7"
-    "@glimmer/global-context" "0.76.0"
-    "@glimmer/interfaces" "0.76.0"
-    "@glimmer/util" "0.76.0"
+    "@glimmer/global-context" "0.77.1"
+    "@glimmer/interfaces" "0.77.1"
+    "@glimmer/util" "0.77.1"
 
-"@glimmer/encoder@0.76.0":
-  version "0.76.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/encoder/-/encoder-0.76.0.tgz#496c611d4d4ac288486a9a4d0958858872d249d2"
-  integrity sha512-QA01veEQfz6YAa7pISPaxMpjZAZdePzmC0+52ICgmHrAO8jOegvOTZo/g7VZsK5mylY7MYSYssWCm0Iwkk95nw==
+"@glimmer/encoder@0.77.1":
+  version "0.77.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/encoder/-/encoder-0.77.1.tgz#520de1d5fce5d4bd1b300db8e41485ef58e6380d"
+  integrity sha512-MGn1khRJB1euNNYOY+f7qsxhTFJqQH5y+98CUiCsIwtuqdlBfaVW09xOIcdlpEjkoPzFJJysvzGJURKKdmaq2g==
   dependencies:
     "@glimmer/env" "0.1.7"
-    "@glimmer/interfaces" "0.76.0"
-    "@glimmer/vm" "0.76.0"
+    "@glimmer/interfaces" "0.77.1"
+    "@glimmer/vm" "0.77.1"
 
 "@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@0.76.0":
-  version "0.76.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/global-context/-/global-context-0.76.0.tgz#7608cbd9d509e3c34c17422b7c7d2a134e987310"
-  integrity sha512-BXh+jRId8kTmtOW6BmwlyrQBfNUDgheikSPYUNBRz8zRVr5Lkgk1sQCdqmh7UQs3LgJbMzTAb44Far51w+Iriw==
+"@glimmer/global-context@0.77.1":
+  version "0.77.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/global-context/-/global-context-0.77.1.tgz#3af524269ee6de77ee1236f3650747774c026470"
+  integrity sha512-ncHfREo4zQC8XGFf1zQuQ+2T8THUIZtcGMm+Aj0k80TUb9PgE5oJPNeY7hhbYHJV531o5cuEX/SuTlCTrLm9wg==
   dependencies:
     "@glimmer/env" "^0.1.7"
 
-"@glimmer/interfaces@0.76.0":
-  version "0.76.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/interfaces/-/interfaces-0.76.0.tgz#0ca0f375a441f2ccd33733252aae030acbff05fa"
-  integrity sha512-n44NPbeovuiTl1Nce/Pu9A137cHKH9TcRZVNzpFLIY3AvDSKeGemAYmiX9H43ZqX4jm3am6cB9TQwheNfcNJpg==
+"@glimmer/interfaces@0.77.1":
+  version "0.77.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/interfaces/-/interfaces-0.77.1.tgz#845a62ff6dc6a3646642cfbeec84b13a8a66ea1c"
+  integrity sha512-Dp0hebviZpcqEPjuNA5kGa/gl5nfYv+XEI0e9ozF5d1FD5yGPdvwQ9D+sQ4Dn888XCCmTWzKME4iRsVHK5aJoA==
   dependencies:
     "@simple-dom/interface" "^1.4.0"
 
-"@glimmer/low-level@0.76.0":
-  version "0.76.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/low-level/-/low-level-0.76.0.tgz#07900b3564aae49258c85bd3dd6c936fb2e34e37"
-  integrity sha512-yWSOM9G0BwdHsZA/QlmXbbsOXQUzn8HBBeBqdeCGqLnNWNL6Bj87HpCH7dQRXS7E9F14V+eqq2Pj5y658UcQ/Q==
+"@glimmer/low-level@0.77.1":
+  version "0.77.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/low-level/-/low-level-0.77.1.tgz#e6ab4a2dce3d1c33bc88ac01cf1a0943dd8e8e4d"
+  integrity sha512-YWoq+XtSBbFwMtyaRXqGlNgx2Nk3bnqpP43GXwfu/KeI36or14UpLmIvhB7tbzSc7F0MLMu5yW1GRELfop2S7A==
 
-"@glimmer/manager@0.76.0":
-  version "0.76.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/manager/-/manager-0.76.0.tgz#a23a3f662daec6d3d67f453cf1c07294d7afa325"
-  integrity sha512-G5vBPcoExkL6gBZy9507AS/IMYv1+oJqxIOSsdMM/4y3JAuAdC5UvEep54HnKPZI0UPXHF4AqOoiBaQjk3z9ag==
+"@glimmer/manager@0.77.1":
+  version "0.77.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/manager/-/manager-0.77.1.tgz#3816c1679c7ad98e10b0d6ea0080e24559ae64ef"
+  integrity sha512-Yj68aKLsjVrPmd1XXxZEVIuclp3x1IgZ9c1f6f9wdxbX+YyExfERR2x6yR+jZLZPMq6fwYgHiSfzWc9tkoE6gQ==
   dependencies:
-    "@glimmer/destroyable" "0.76.0"
+    "@glimmer/destroyable" "0.77.1"
     "@glimmer/env" "0.1.7"
-    "@glimmer/interfaces" "0.76.0"
-    "@glimmer/reference" "0.76.0"
-    "@glimmer/util" "0.76.0"
-    "@glimmer/validator" "0.76.0"
-
-"@glimmer/node@0.76.0":
-  version "0.76.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/node/-/node-0.76.0.tgz#14b72eafef52f0c3c7afa75ba4a2f3ab61532b97"
-  integrity sha512-o23nL6WPtMYqD5wjZizlFC0sd3F0tEY/eOMFV8Qc1cbWrOmtxkt5ayeW4vv5DEWy3t8/JSAIEybJUTQo2JyNFA==
-  dependencies:
-    "@glimmer/interfaces" "0.76.0"
-    "@glimmer/runtime" "0.76.0"
-    "@glimmer/util" "0.76.0"
+    "@glimmer/interfaces" "0.77.1"
+    "@glimmer/reference" "0.77.1"
+    "@glimmer/util" "0.77.1"
+    "@glimmer/validator" "0.77.1"
+
+"@glimmer/node@0.77.1":
+  version "0.77.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/node/-/node-0.77.1.tgz#fc2e09a02ad1df6f8d72436c95735d8bb960057f"
+  integrity sha512-iJS3z6Ut3+ZOaUnqaaEYTsQkm4LPT41GK+Tm9HbU0PXtQ3OVMWgTbrER7jwJekeZkcufXhhh7bUcioHGSqp03w==
+  dependencies:
+    "@glimmer/interfaces" "0.77.1"
+    "@glimmer/runtime" "0.77.1"
+    "@glimmer/util" "0.77.1"
     "@simple-dom/document" "^1.4.0"
     "@simple-dom/interface" "^1.4.0"
 
-"@glimmer/opcode-compiler@0.76.0":
-  version "0.76.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/opcode-compiler/-/opcode-compiler-0.76.0.tgz#8ffdc09a7cfa30bd50aff41fb5c68595a42cad41"
-  integrity sha512-NnVCaqBG3vBU8ZSD5taqlZ6dbglXLSL0/0J7hGI1abwDT9vOriFu0T3s+DDTfY5KjhA7/dD+IqladypYS59Y3w==
+"@glimmer/opcode-compiler@0.77.1":
+  version "0.77.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/opcode-compiler/-/opcode-compiler-0.77.1.tgz#6f42aaeb39aa21edb4081d34f0393d466139bfb9"
+  integrity sha512-AJryxdVxxtzHVTI9Dj/mCP9IKbngOaOv79j6NwnY41a2GrDsoAYpgloW0HlUNRKeCKYXT0zRBQwP3VxhArHR5w==
   dependencies:
-    "@glimmer/encoder" "0.76.0"
+    "@glimmer/encoder" "0.77.1"
     "@glimmer/env" "0.1.7"
-    "@glimmer/interfaces" "0.76.0"
-    "@glimmer/reference" "0.76.0"
-    "@glimmer/util" "0.76.0"
-    "@glimmer/vm" "0.76.0"
-    "@glimmer/wire-format" "0.76.0"
+    "@glimmer/interfaces" "0.77.1"
+    "@glimmer/reference" "0.77.1"
+    "@glimmer/util" "0.77.1"
+    "@glimmer/vm" "0.77.1"
+    "@glimmer/wire-format" "0.77.1"
 
-"@glimmer/owner@0.76.0":
-  version "0.76.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/owner/-/owner-0.76.0.tgz#c5664d051bad2683ac60e4672989ccacc99d2ade"
-  integrity sha512-VSW29iPLuhmZz4cpfkMGp9HJYG9JcKAqAlHTkW6Abap+hryXUn4xFXLOEjvzs6UxCqRyTUfWd6YVyYHPtwERIw==
+"@glimmer/owner@0.77.1":
+  version "0.77.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/owner/-/owner-0.77.1.tgz#11bcdda63ba2064fcd733e3bd9f71025532ca95f"
+  integrity sha512-KiKQN9JkyjXymfDvqPpzzm3O5YtssqbtlzGYgd8uJfAXMnNoAHBAGJr+T/dg+cZw1iOSDbb64PPXUU853/WyyQ==
   dependencies:
-    "@glimmer/util" "0.76.0"
+    "@glimmer/util" "0.77.1"
 
-"@glimmer/program@0.76.0":
-  version "0.76.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/program/-/program-0.76.0.tgz#3ea7de6227ecd95fb6d5ab4a9a18465d26fb5fae"
-  integrity sha512-7c07eKiwipG1waeEyZv6PI2lB0XmyvjG86dAkZj8W2sYkCGcvfNU8qpqXMHfMPkox7efcshID6nSHBslLVBS8w==
+"@glimmer/program@0.77.1":
+  version "0.77.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/program/-/program-0.77.1.tgz#9329640b0404021411c2e1c5d82016ebb5c12a0a"
+  integrity sha512-xTEnlsYMAyNQ6R8grtj2KA+nAQq9gvvOpxohSxDdrqzOtLFJGHLJ3lwUCq6gvw3IWz81t7G97encp7EA0rbT1A==
   dependencies:
-    "@glimmer/encoder" "0.76.0"
+    "@glimmer/encoder" "0.77.1"
     "@glimmer/env" "0.1.7"
-    "@glimmer/interfaces" "0.76.0"
-    "@glimmer/manager" "0.76.0"
-    "@glimmer/opcode-compiler" "0.76.0"
-    "@glimmer/util" "0.76.0"
+    "@glimmer/interfaces" "0.77.1"
+    "@glimmer/manager" "0.77.1"
+    "@glimmer/opcode-compiler" "0.77.1"
+    "@glimmer/util" "0.77.1"
 
-"@glimmer/reference@0.76.0":
-  version "0.76.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/reference/-/reference-0.76.0.tgz#c16fe4d027a3e84e8f3f80c6cd08564855cba9be"
-  integrity sha512-zdGs42sdD/0YU04vKYU+j7jqLeJyD/IfPULTPv35TOo/fCidvidNZqpF3AVQk4CnTViedDD0DZMUrtCSJ0hhjQ==
+"@glimmer/reference@0.77.1":
+  version "0.77.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/reference/-/reference-0.77.1.tgz#2bf591a1766efb58361333fa66d30175c6090733"
+  integrity sha512-bqlO+kOzTLHs24OpPeJWk/D14TTJImntMxVDr9XWj4VLWlH3QRISPg6ArtrJdI30MBESXHdzScaAyv7c8rN6yA==
   dependencies:
     "@glimmer/env" "^0.1.7"
-    "@glimmer/global-context" "0.76.0"
-    "@glimmer/interfaces" "0.76.0"
-    "@glimmer/util" "0.76.0"
-    "@glimmer/validator" "0.76.0"
+    "@glimmer/global-context" "0.77.1"
+    "@glimmer/interfaces" "0.77.1"
+    "@glimmer/util" "0.77.1"
+    "@glimmer/validator" "0.77.1"
 
-"@glimmer/runtime@0.76.0":
-  version "0.76.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/runtime/-/runtime-0.76.0.tgz#cef863f2d068d91acc6778d423569ac0365977b0"
-  integrity sha512-pc8U1/pezN5EHCDYHvSfPLQLCRgMG7V45dMuF7CTr2BuP/3XuZFQzQPCKDFzF1IZxy/FdXFO0paL+oWvfACRKA==
+"@glimmer/runtime@0.77.1":
+  version "0.77.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/runtime/-/runtime-0.77.1.tgz#b499ad1f6c1fc555082af0da8d837ba79c82042d"
+  integrity sha512-UXQgLHI1cxAGV8i1oPrmCp9pMwLLIRyKJ0S0kgW8DDsRYrtUVyFmxP1vbfpfNgnxhAt/G5ZH2LG2pGePM+ZjHg==
   dependencies:
-    "@glimmer/destroyable" "0.76.0"
+    "@glimmer/destroyable" "0.77.1"
     "@glimmer/env" "0.1.7"
-    "@glimmer/global-context" "0.76.0"
-    "@glimmer/interfaces" "0.76.0"
-    "@glimmer/low-level" "0.76.0"
-    "@glimmer/owner" "0.76.0"
-    "@glimmer/program" "0.76.0"
-    "@glimmer/reference" "0.76.0"
-    "@glimmer/util" "0.76.0"
-    "@glimmer/validator" "0.76.0"
-    "@glimmer/vm" "0.76.0"
-    "@glimmer/wire-format" "0.76.0"
+    "@glimmer/global-context" "0.77.1"
+    "@glimmer/interfaces" "0.77.1"
+    "@glimmer/low-level" "0.77.1"
+    "@glimmer/owner" "0.77.1"
+    "@glimmer/program" "0.77.1"
+    "@glimmer/reference" "0.77.1"
+    "@glimmer/util" "0.77.1"
+    "@glimmer/validator" "0.77.1"
+    "@glimmer/vm" "0.77.1"
+    "@glimmer/wire-format" "0.77.1"
     "@simple-dom/interface" "^1.4.0"
 
-"@glimmer/syntax@0.76.0":
-  version "0.76.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/syntax/-/syntax-0.76.0.tgz#18dd5c997b140f749a929fcedf323dbad2e20a12"
-  integrity sha512-ayURhGAFo9LMh0xm4KHs1TYSpCt0H37w7CSj3Oi8sgOCoiZWM716JaXhBdL/ew0IVZQIg4bJ5x+wfDmGZ+5jGA==
+"@glimmer/syntax@0.77.1":
+  version "0.77.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/syntax/-/syntax-0.77.1.tgz#155109c2e62a3dc94cf0ae7ccf2e840fe8875c7c"
+  integrity sha512-Jbfr34s0D70OlXeGzHzzK0aTRoXR0KtC6klVw5IQQlxvJIrHlZuRDpIueByL5sxhyYh9KQc13lMcHXUFaIPEtA==
   dependencies:
-    "@glimmer/interfaces" "0.76.0"
-    "@glimmer/util" "0.76.0"
+    "@glimmer/interfaces" "0.77.1"
+    "@glimmer/util" "0.77.1"
     "@handlebars/parser" "^2.0.0"
     simple-html-tokenizer "^0.5.10"
 
-"@glimmer/util@0.76.0":
-  version "0.76.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/util/-/util-0.76.0.tgz#fc2c5dafb6a45b3e30f48c39e79fc2a75ed6c916"
-  integrity sha512-afJ0WcztA2eo9uwBgKxRq6fNxiT+i/xKxYfWGc2Rr9tKiZr+zniiUHa5n44e+wQmwZi0BM0IbLdUsd5s4iEkfg==
+"@glimmer/util@0.77.1":
+  version "0.77.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/util/-/util-0.77.1.tgz#9dfa721a3e3d06d7ec84488ef2e1a0107ea7cf3f"
+  integrity sha512-9BHDbmc/z7wzre+esFI+UPR2bx2Z+NYS5SxH10zgdYMDaN7qAQ63lIt+20AasQjC49JH4GxoPTettSknMQ6F1A==
   dependencies:
     "@glimmer/env" "0.1.7"
-    "@glimmer/interfaces" "0.76.0"
+    "@glimmer/interfaces" "0.77.1"
     "@simple-dom/interface" "^1.4.0"
 
-"@glimmer/validator@0.76.0":
-  version "0.76.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/validator/-/validator-0.76.0.tgz#127e4e0b61a545e25cd14928ec68d994428e66bb"
-  integrity sha512-orpvoqWxrMyMr2B/8I2S1YVU63Sdx0O0yLfYp/DrQxtlLZNujYOcVJBejR+X/uDfl7ryDBQOg/bY36iLhP/VcQ==
+"@glimmer/validator@0.77.1":
+  version "0.77.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/validator/-/validator-0.77.1.tgz#8ff2c2e2ef67db5b6e6f2a13586852f1150b6ca9"
+  integrity sha512-iGaSkBdcWQRxoEd2XFTH8jieKZBMwztIPP1/Y4Y62nArj+gQJjJb59c6t9uiUKxwGMURLBsyMY3+rrzVfFB7xQ==
   dependencies:
     "@glimmer/env" "^0.1.7"
-    "@glimmer/global-context" "0.76.0"
+    "@glimmer/global-context" "0.77.1"
 
-"@glimmer/vm-babel-plugins@0.76.0":
-  version "0.76.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/vm-babel-plugins/-/vm-babel-plugins-0.76.0.tgz#e69afbb9ea62b31cba824147f23e7ba6f674e66e"
-  integrity sha512-arIbSbnVc274B6PFfvNH+gQDxHJmY8mdR1yJNXD3P0zRIzr6xw3lMvph5nV3V4t8KiE06+wAQ/HS7JI39+fuTQ==
+"@glimmer/vm-babel-plugins@0.77.1":
+  version "0.77.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/vm-babel-plugins/-/vm-babel-plugins-0.77.1.tgz#80c8b5476ccff68191bc42ebb29928a9b8d22d69"
+  integrity sha512-amkBPV3H/3OhYIeXo03sU1VzqmUl8TUxHhjfVJwRy+vQV22S5saZCiUCyOYUsUkxdEG5sU8qooooBY8VomkkBg==
   dependencies:
     babel-plugin-debug-macros "^0.3.4"
 
-"@glimmer/vm@0.76.0":
-  version "0.76.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/vm/-/vm-0.76.0.tgz#84107bbe15ec14dae508bcda73cf1f2620c12186"
-  integrity sha512-TCfNXeYwVjWfKvwRXsyic6CmKIM80781/62kY4xy/6G7sVTVMkRV++nO0yVIa2RKGL+TFNM7dJFIuRMQzugCiA==
+"@glimmer/vm@0.77.1":
+  version "0.77.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/vm/-/vm-0.77.1.tgz#a33776f6496d478e24a58771fa06b5ee7b6b39c3"
+  integrity sha512-H6XcYxwV1pBUXtOuGMiJ9px0smTvob38nIyio/XEHAZtl4+CshqmRwuGGNvvIuSpxVuCr9+TbrBMEGi4iazk7g==
   dependencies:
-    "@glimmer/interfaces" "0.76.0"
-    "@glimmer/util" "0.76.0"
+    "@glimmer/interfaces" "0.77.1"
+    "@glimmer/util" "0.77.1"
 
-"@glimmer/wire-format@0.76.0":
-  version "0.76.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/wire-format/-/wire-format-0.76.0.tgz#1092c1864255ffd85dc5f67d68ca73e660703e11"
-  integrity sha512-v+G1KHNpQ7xAVsp9N62PIcuE9Cjw5LWUw10+peiXDS/V3QoX4frwApY1j8VinmlnTYn69OekEU7LVCzu41gAsg==
+"@glimmer/wire-format@0.77.1":
+  version "0.77.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/wire-format/-/wire-format-0.77.1.tgz#f726314f6ef8868042b982ed85c8d5e3b7bbe08a"
+  integrity sha512-s85mr7n76c21HeV+r9xFpYCHmc3qFE2T8uu4acfIF+KNG8ZSDFg8cpGC5Mc51FoO5naMM56uH6ZzYohM7ubp4w==
   dependencies:
-    "@glimmer/interfaces" "0.76.0"
-    "@glimmer/util" "0.76.0"
+    "@glimmer/interfaces" "0.77.1"
+    "@glimmer/util" "0.77.1"
 
 "@handlebars/parser@^2.0.0":
   version "2.0.0"