diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0245a9da15..629b31cc36 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,31 @@
+## v0.68.0 (2020-12-04)
+
+#### :boom: Breaking Change
+* `@glimmer/benchmark-env`, `@glimmer/debug`, `@glimmer/integration-tests`, `@glimmer/interfaces`, `@glimmer/manager`, `@glimmer/node`, `@glimmer/opcode-compiler`, `@glimmer/program`, `@glimmer/runtime`, `@glimmer/util`
+  * [#1222](https://github.com/glimmerjs/glimmer-vm/pull/1222) [REFACTOR] Align resolver and internals with strict mode ([@pzuraq](https://github.com/pzuraq))
+* `@glimmer/destroyable`, `@glimmer/integration-tests`, `@glimmer/manager`, `@glimmer/owner`, `@glimmer/runtime`
+  * [#1221](https://github.com/glimmerjs/glimmer-vm/pull/1221) [REFACTOR] Extract Owner and Destroyables into their own packages ([@pzuraq](https://github.com/pzuraq))
+* `@glimmer/benchmark-env`, `@glimmer/debug`, `@glimmer/integration-tests`, `@glimmer/interfaces`, `@glimmer/opcode-compiler`, `@glimmer/runtime`
+  * [#1215](https://github.com/glimmerjs/glimmer-vm/pull/1215) [REFACTOR] Use constants pool for definitions ([@pzuraq](https://github.com/pzuraq))
+* `@glimmer/benchmark-env`, `@glimmer/integration-tests`, `@glimmer/interfaces`, `@glimmer/manager`, `@glimmer/program`, `@glimmer/runtime`, `@glimmer/util`
+  * [#1213](https://github.com/glimmerjs/glimmer-vm/pull/1213) [REFACTOR] Upstream custom managers, TO managers ([@pzuraq](https://github.com/pzuraq))
+
+#### :bug: Bug Fix
+* `@glimmer/compiler`, `@glimmer/integration-tests`
+  * [#1218](https://github.com/glimmerjs/glimmer-vm/pull/1218)  Fix splattributes handling of type attribute. [rebased] ([@locks](https://github.com/locks))
+
+#### :house: Internal
+* `@glimmer/benchmark-env`
+  * [#1220](https://github.com/glimmerjs/glimmer-vm/pull/1220) [BUGFIX] Absorb breakage in benchmark-env instead of benchmark ([@pzuraq](https://github.com/pzuraq))
+  * [#1217](https://github.com/glimmerjs/glimmer-vm/pull/1217) Revert "[BREAKING] Update benchmark-env API" ([@pzuraq](https://github.com/pzuraq))
+  * [#1216](https://github.com/glimmerjs/glimmer-vm/pull/1216) [BREAKING] Update benchmark-env API ([@pzuraq](https://github.com/pzuraq))
+* `@glimmer/integration-tests`
+  * [#1214](https://github.com/glimmerjs/glimmer-vm/pull/1214) [REFACTOR] Update tests to match actual Glimmer component API ([@pzuraq](https://github.com/pzuraq))
+
+#### Committers: 2
+- Chris Garrett ([@pzuraq](https://github.com/pzuraq))
+- Ricardo Mendes ([@locks](https://github.com/locks))
+
 ## v0.67.0 (2020-11-24)
 
 #### :boom: Breaking Change
diff --git a/benchmark/package.json b/benchmark/package.json
index d8828ca8bf..15032c0dfb 100644
--- a/benchmark/package.json
+++ b/benchmark/package.json
@@ -1,9 +1,9 @@
 {
   "name": "glimmer-benchmark",
-  "version": "0.67.0",
+  "version": "0.68.0",
   "private": true,
   "dependencies": {
-    "@glimmer/benchmark-env": "0.67.0",
+    "@glimmer/benchmark-env": "0.68.0",
     "@simple-dom/document": "^1.4.0",
     "@simple-dom/void-map": "^1.4.0",
     "@simple-dom/serializer": "^1.4.0"
diff --git a/lib/local-linker/package.json b/lib/local-linker/package.json
index 0a46c85414..e75767aa90 100644
--- a/lib/local-linker/package.json
+++ b/lib/local-linker/package.json
@@ -1,6 +1,6 @@
 {
   "name": "local-linker",
-  "version": "0.67.0",
+  "version": "0.68.0",
   "private": true,
   "keywords": [
     "ember-addon"
diff --git a/package.json b/package.json
index c75c4c3a90..841f484a8c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "glimmer-engine",
-  "version": "0.67.0",
+  "version": "0.68.0",
   "private": true,
   "description": "Glimmer compiles Handlebars templates into document fragments rather than string buffers",
   "repository": {
diff --git a/packages/@glimmer/benchmark-env/package.json b/packages/@glimmer/benchmark-env/package.json
index f3db1a439a..6e41c129cb 100644
--- a/packages/@glimmer/benchmark-env/package.json
+++ b/packages/@glimmer/benchmark-env/package.json
@@ -1,17 +1,17 @@
 {
   "name": "@glimmer/benchmark-env",
-  "version": "0.67.0",
+  "version": "0.68.0",
   "private": true,
   "repository": "https://github.com/glimmerjs/glimmer-vm/tree/master/packages/@glimmer/benchmark-env",
   "dependencies": {
-    "@glimmer/global-context": "0.67.0",
-    "@glimmer/program": "0.67.0",
-    "@glimmer/reference": "0.67.0",
-    "@glimmer/runtime": "0.67.0",
-    "@glimmer/validator": "0.67.0",
-    "@glimmer/util": "0.67.0",
-    "@glimmer/interfaces": "0.67.0",
-    "@glimmer/opcode-compiler": "0.67.0",
+    "@glimmer/global-context": "0.68.0",
+    "@glimmer/program": "0.68.0",
+    "@glimmer/reference": "0.68.0",
+    "@glimmer/runtime": "0.68.0",
+    "@glimmer/validator": "0.68.0",
+    "@glimmer/util": "0.68.0",
+    "@glimmer/interfaces": "0.68.0",
+    "@glimmer/opcode-compiler": "0.68.0",
     "@simple-dom/interface": "^1.4.0"
   },
   "devDependencies": {
diff --git a/packages/@glimmer/compiler/package.json b/packages/@glimmer/compiler/package.json
index 423c5c9a36..f65f6a931f 100644
--- a/packages/@glimmer/compiler/package.json
+++ b/packages/@glimmer/compiler/package.json
@@ -1,15 +1,15 @@
 {
   "name": "@glimmer/compiler",
-  "version": "0.67.0",
+  "version": "0.68.0",
   "repository": "https://github.com/glimmerjs/glimmer-vm/tree/master/packages/@glimmer/compiler",
   "dependencies": {
-    "@glimmer/syntax": "0.67.0",
-    "@glimmer/util": "0.67.0",
-    "@glimmer/wire-format": "0.67.0",
-    "@glimmer/interfaces": "0.67.0",
+    "@glimmer/syntax": "0.68.0",
+    "@glimmer/util": "0.68.0",
+    "@glimmer/wire-format": "0.68.0",
+    "@glimmer/interfaces": "0.68.0",
     "@simple-dom/interface": "^1.4.0"
   },
   "devDependencies": {
-    "@glimmer/local-debug-flags": "0.67.0"
+    "@glimmer/local-debug-flags": "0.68.0"
   }
 }
diff --git a/packages/@glimmer/debug/package.json b/packages/@glimmer/debug/package.json
index 02c3528390..d8f8eeb4ca 100644
--- a/packages/@glimmer/debug/package.json
+++ b/packages/@glimmer/debug/package.json
@@ -1,12 +1,12 @@
 {
   "name": "@glimmer/debug",
-  "version": "0.67.0",
+  "version": "0.68.0",
   "repository": "https://github.com/glimmerjs/glimmer-vm/tree/master/packages/@glimmer/debug",
   "private": true,
   "dependencies": {
-    "@glimmer/interfaces": "0.67.0",
-    "@glimmer/util": "0.67.0",
-    "@glimmer/vm": "0.67.0",
+    "@glimmer/interfaces": "0.68.0",
+    "@glimmer/util": "0.68.0",
+    "@glimmer/vm": "0.68.0",
     "@simple-dom/interface": "^1.4.0"
   },
   "devDependencies": {
diff --git a/packages/@glimmer/destroyable/package.json b/packages/@glimmer/destroyable/package.json
index 2be9ce1028..682fca1e3d 100644
--- a/packages/@glimmer/destroyable/package.json
+++ b/packages/@glimmer/destroyable/package.json
@@ -1,13 +1,13 @@
 {
   "name": "@glimmer/destroyable",
-  "version": "0.67.0",
+  "version": "0.68.0",
   "repository": "https://github.com/glimmerjs/glimmer-vm/tree/master/packages/@glimmer/destroyable",
   "description": "Utilities for creating and managing a destroyable hierarchy of objects",
   "license": "MIT",
   "dependencies": {
     "@glimmer/env": "0.1.7",
-    "@glimmer/global-context": "0.67.0",
-    "@glimmer/interfaces": "0.67.0",
-    "@glimmer/util": "0.67.0"
+    "@glimmer/global-context": "0.68.0",
+    "@glimmer/interfaces": "0.68.0",
+    "@glimmer/util": "0.68.0"
   }
 }
diff --git a/packages/@glimmer/dom-change-list/package.json b/packages/@glimmer/dom-change-list/package.json
index e04d9e4f92..add8aaeaf3 100644
--- a/packages/@glimmer/dom-change-list/package.json
+++ b/packages/@glimmer/dom-change-list/package.json
@@ -1,10 +1,10 @@
 {
   "name": "@glimmer/dom-change-list",
-  "version": "0.67.0",
+  "version": "0.68.0",
   "repository": "https://github.com/glimmerjs/glimmer-vm/tree/master/packages/@glimmer/dom-change-list",
   "dependencies": {
-    "@glimmer/util": "0.67.0",
-    "@glimmer/interfaces": "0.67.0",
+    "@glimmer/util": "0.68.0",
+    "@glimmer/interfaces": "0.68.0",
     "@simple-dom/document": "^1.4.0",
     "@simple-dom/interface": "^1.4.0"
   },
diff --git a/packages/@glimmer/encoder/package.json b/packages/@glimmer/encoder/package.json
index 917f1d4161..1548702c09 100644
--- a/packages/@glimmer/encoder/package.json
+++ b/packages/@glimmer/encoder/package.json
@@ -1,10 +1,10 @@
 {
   "name": "@glimmer/encoder",
-  "version": "0.67.0",
+  "version": "0.68.0",
   "repository": "https://github.com/glimmerjs/glimmer-vm/tree/master/packages/@glimmer/encoder",
   "dependencies": {
     "@glimmer/env": "0.1.7",
-    "@glimmer/interfaces": "0.67.0",
-    "@glimmer/vm": "0.67.0"
+    "@glimmer/interfaces": "0.68.0",
+    "@glimmer/vm": "0.68.0"
   }
 }
diff --git a/packages/@glimmer/global-context/package.json b/packages/@glimmer/global-context/package.json
index 9acecaeee6..f5301fa209 100644
--- a/packages/@glimmer/global-context/package.json
+++ b/packages/@glimmer/global-context/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@glimmer/global-context",
-  "version": "0.67.0",
+  "version": "0.68.0",
   "repository": "https://github.com/glimmerjs/glimmer-vm/tree/master/packages/@glimmer/global-context",
   "dependencies": {
     "@glimmer/env": "^0.1.7"
diff --git a/packages/@glimmer/integration-tests/package.json b/packages/@glimmer/integration-tests/package.json
index 248dfc4bac..426780295f 100644
--- a/packages/@glimmer/integration-tests/package.json
+++ b/packages/@glimmer/integration-tests/package.json
@@ -1,24 +1,24 @@
 {
   "name": "@glimmer/integration-tests",
-  "version": "0.67.0",
+  "version": "0.68.0",
   "private": true,
   "repository": "https://github.com/glimmerjs/glimmer-vm/tree/master/packages/@glimmer/integration-tests",
   "dependencies": {
-    "@glimmer/destroyable": "0.67.0",
-    "@glimmer/global-context": "0.67.0",
-    "@glimmer/reference": "0.67.0",
-    "@glimmer/runtime": "0.67.0",
-    "@glimmer/manager": "0.67.0",
-    "@glimmer/syntax": "0.67.0",
-    "@glimmer/validator": "0.67.0",
-    "@glimmer/compiler": "0.67.0",
-    "@glimmer/util": "0.67.0",
-    "@glimmer/wire-format": "0.67.0",
-    "@glimmer/interfaces": "0.67.0",
-    "@glimmer/node": "0.67.0",
-    "@glimmer/opcode-compiler": "0.67.0",
-    "@glimmer/owner": "0.67.0",
-    "@glimmer/program": "0.67.0",
+    "@glimmer/destroyable": "0.68.0",
+    "@glimmer/global-context": "0.68.0",
+    "@glimmer/reference": "0.68.0",
+    "@glimmer/runtime": "0.68.0",
+    "@glimmer/manager": "0.68.0",
+    "@glimmer/syntax": "0.68.0",
+    "@glimmer/validator": "0.68.0",
+    "@glimmer/compiler": "0.68.0",
+    "@glimmer/util": "0.68.0",
+    "@glimmer/wire-format": "0.68.0",
+    "@glimmer/interfaces": "0.68.0",
+    "@glimmer/node": "0.68.0",
+    "@glimmer/opcode-compiler": "0.68.0",
+    "@glimmer/owner": "0.68.0",
+    "@glimmer/program": "0.68.0",
     "@simple-dom/document": "^1.4.0",
     "@simple-dom/interface": "^1.4.0",
     "@simple-dom/serializer": "^1.4.0",
diff --git a/packages/@glimmer/interfaces/package.json b/packages/@glimmer/interfaces/package.json
index 07e380325d..eea59a8883 100644
--- a/packages/@glimmer/interfaces/package.json
+++ b/packages/@glimmer/interfaces/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@glimmer/interfaces",
-  "version": "0.67.0",
+  "version": "0.68.0",
   "repository": "https://github.com/glimmerjs/glimmer-vm/tree/master/packages/@glimmer/interfaces",
   "types": "index.d.ts",
   "module": "index.d.ts",
diff --git a/packages/@glimmer/local-debug-flags/package.json b/packages/@glimmer/local-debug-flags/package.json
index 3e476cedb2..8eb40c00db 100644
--- a/packages/@glimmer/local-debug-flags/package.json
+++ b/packages/@glimmer/local-debug-flags/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@glimmer/local-debug-flags",
-  "version": "0.67.0",
+  "version": "0.68.0",
   "description": "Helpers for debugging during local development. These get stripped from published builds. This package should not be published.",
   "private": true
 }
diff --git a/packages/@glimmer/low-level/package.json b/packages/@glimmer/low-level/package.json
index 0340b6b17b..992de318a5 100644
--- a/packages/@glimmer/low-level/package.json
+++ b/packages/@glimmer/low-level/package.json
@@ -1,5 +1,5 @@
 {
   "name": "@glimmer/low-level",
-  "version": "0.67.0",
+  "version": "0.68.0",
   "repository": "https://github.com/glimmerjs/glimmer-vm/tree/master/packages/@glimmer/low-level"
 }
diff --git a/packages/@glimmer/manager/package.json b/packages/@glimmer/manager/package.json
index c92464c07f..417ad48c4e 100644
--- a/packages/@glimmer/manager/package.json
+++ b/packages/@glimmer/manager/package.json
@@ -1,13 +1,13 @@
 {
   "name": "@glimmer/manager",
-  "version": "0.67.0",
+  "version": "0.68.0",
   "repository": "https://github.com/glimmerjs/glimmer-vm/tree/master/packages/@glimmer/program",
   "dependencies": {
     "@glimmer/env": "0.1.7",
-    "@glimmer/interfaces": "0.67.0",
-    "@glimmer/destroyable": "0.67.0",
-    "@glimmer/reference": "0.67.0",
-    "@glimmer/validator": "0.67.0",
-    "@glimmer/util": "0.67.0"
+    "@glimmer/interfaces": "0.68.0",
+    "@glimmer/destroyable": "0.68.0",
+    "@glimmer/reference": "0.68.0",
+    "@glimmer/validator": "0.68.0",
+    "@glimmer/util": "0.68.0"
   }
 }
diff --git a/packages/@glimmer/node/package.json b/packages/@glimmer/node/package.json
index 7c8eca2065..093d77aacc 100644
--- a/packages/@glimmer/node/package.json
+++ b/packages/@glimmer/node/package.json
@@ -1,16 +1,16 @@
 {
   "name": "@glimmer/node",
-  "version": "0.67.0",
+  "version": "0.68.0",
   "repository": "https://github.com/glimmerjs/glimmer-vm/tree/master/packages/@glimmer/node",
   "dependencies": {
-    "@glimmer/runtime": "0.67.0",
-    "@glimmer/interfaces": "0.67.0",
-    "@glimmer/util": "0.67.0",
+    "@glimmer/runtime": "0.68.0",
+    "@glimmer/interfaces": "0.68.0",
+    "@glimmer/util": "0.68.0",
     "@simple-dom/document": "^1.4.0",
     "@simple-dom/interface": "^1.4.0"
   },
   "devDependencies": {
     "@types/qunit": "^2.9.0",
-    "@glimmer/compiler": "0.67.0"
+    "@glimmer/compiler": "0.68.0"
   }
 }
diff --git a/packages/@glimmer/opcode-compiler/package.json b/packages/@glimmer/opcode-compiler/package.json
index 113ed0ea41..6bf7445567 100644
--- a/packages/@glimmer/opcode-compiler/package.json
+++ b/packages/@glimmer/opcode-compiler/package.json
@@ -1,18 +1,18 @@
 {
   "name": "@glimmer/opcode-compiler",
-  "version": "0.67.0",
+  "version": "0.68.0",
   "repository": "https://github.com/glimmerjs/glimmer-vm/tree/master/packages/@glimmer/opcode-compiler",
   "dependencies": {
     "@glimmer/env": "0.1.7",
-    "@glimmer/util": "0.67.0",
-    "@glimmer/wire-format": "0.67.0",
-    "@glimmer/interfaces": "0.67.0",
-    "@glimmer/vm": "0.67.0",
-    "@glimmer/encoder": "0.67.0",
-    "@glimmer/reference": "0.67.0"
+    "@glimmer/util": "0.68.0",
+    "@glimmer/wire-format": "0.68.0",
+    "@glimmer/interfaces": "0.68.0",
+    "@glimmer/vm": "0.68.0",
+    "@glimmer/encoder": "0.68.0",
+    "@glimmer/reference": "0.68.0"
   },
   "devDependencies": {
-    "@glimmer/debug": "0.67.0",
-    "@glimmer/local-debug-flags": "0.67.0"
+    "@glimmer/debug": "0.68.0",
+    "@glimmer/local-debug-flags": "0.68.0"
   }
 }
diff --git a/packages/@glimmer/owner/package.json b/packages/@glimmer/owner/package.json
index ca16877100..26b1f5212e 100644
--- a/packages/@glimmer/owner/package.json
+++ b/packages/@glimmer/owner/package.json
@@ -1,10 +1,10 @@
 {
   "name": "@glimmer/owner",
-  "version": "0.67.0",
+  "version": "0.68.0",
   "repository": "https://github.com/glimmerjs/glimmer-vm/tree/master/packages/@glimmer/owner",
   "description": "Implementation for the owner in Glimmer apps",
   "license": "MIT",
   "dependencies": {
-    "@glimmer/util": "0.67.0"
+    "@glimmer/util": "0.68.0"
   }
 }
diff --git a/packages/@glimmer/program/package.json b/packages/@glimmer/program/package.json
index 78674791b1..20e48d0560 100644
--- a/packages/@glimmer/program/package.json
+++ b/packages/@glimmer/program/package.json
@@ -1,16 +1,16 @@
 {
   "name": "@glimmer/program",
-  "version": "0.67.0",
+  "version": "0.68.0",
   "repository": "https://github.com/glimmerjs/glimmer-vm/tree/master/packages/@glimmer/program",
   "dependencies": {
     "@glimmer/env": "0.1.7",
-    "@glimmer/util": "0.67.0",
-    "@glimmer/opcode-compiler": "0.67.0",
-    "@glimmer/manager": "0.67.0",
-    "@glimmer/interfaces": "0.67.0",
-    "@glimmer/encoder": "0.67.0"
+    "@glimmer/util": "0.68.0",
+    "@glimmer/opcode-compiler": "0.68.0",
+    "@glimmer/manager": "0.68.0",
+    "@glimmer/interfaces": "0.68.0",
+    "@glimmer/encoder": "0.68.0"
   },
   "devDependencies": {
-    "@glimmer/local-debug-flags": "0.67.0"
+    "@glimmer/local-debug-flags": "0.68.0"
   }
 }
diff --git a/packages/@glimmer/reference/package.json b/packages/@glimmer/reference/package.json
index dc88d6e0ac..921294085b 100644
--- a/packages/@glimmer/reference/package.json
+++ b/packages/@glimmer/reference/package.json
@@ -1,13 +1,13 @@
 {
   "name": "@glimmer/reference",
-  "version": "0.67.0",
+  "version": "0.68.0",
   "description": "Objects used to track values and their dirtiness in Glimmer",
   "license": "MIT",
   "dependencies": {
     "@glimmer/env": "^0.1.7",
-    "@glimmer/global-context": "0.67.0",
-    "@glimmer/interfaces": "0.67.0",
-    "@glimmer/util": "0.67.0",
-    "@glimmer/validator": "0.67.0"
+    "@glimmer/global-context": "0.68.0",
+    "@glimmer/interfaces": "0.68.0",
+    "@glimmer/util": "0.68.0",
+    "@glimmer/validator": "0.68.0"
   }
 }
diff --git a/packages/@glimmer/runtime/package.json b/packages/@glimmer/runtime/package.json
index 377514e802..4b8814752f 100644
--- a/packages/@glimmer/runtime/package.json
+++ b/packages/@glimmer/runtime/package.json
@@ -1,28 +1,28 @@
 {
   "name": "@glimmer/runtime",
-  "version": "0.67.0",
+  "version": "0.68.0",
   "description": "Minimal runtime needed to render Glimmer templates",
   "repository": "https://github.com/glimmerjs/glimmer-vm/tree/master/packages/@glimmer/runtime",
   "license": "MIT",
   "dependencies": {
     "@glimmer/env": "0.1.7",
-    "@glimmer/global-context": "0.67.0",
-    "@glimmer/low-level": "0.67.0",
-    "@glimmer/util": "0.67.0",
-    "@glimmer/reference": "0.67.0",
-    "@glimmer/validator": "0.67.0",
-    "@glimmer/wire-format": "0.67.0",
-    "@glimmer/interfaces": "0.67.0",
-    "@glimmer/destroyable": "0.67.0",
-    "@glimmer/owner": "0.67.0",
-    "@glimmer/program": "0.67.0",
-    "@glimmer/vm": "0.67.0",
+    "@glimmer/global-context": "0.68.0",
+    "@glimmer/low-level": "0.68.0",
+    "@glimmer/util": "0.68.0",
+    "@glimmer/reference": "0.68.0",
+    "@glimmer/validator": "0.68.0",
+    "@glimmer/wire-format": "0.68.0",
+    "@glimmer/interfaces": "0.68.0",
+    "@glimmer/destroyable": "0.68.0",
+    "@glimmer/owner": "0.68.0",
+    "@glimmer/program": "0.68.0",
+    "@glimmer/vm": "0.68.0",
     "@simple-dom/interface": "^1.4.0"
   },
   "devDependencies": {
-    "@glimmer/local-debug-flags": "0.67.0",
-    "@glimmer/opcode-compiler": "0.67.0",
-    "@glimmer/debug": "0.67.0",
+    "@glimmer/local-debug-flags": "0.68.0",
+    "@glimmer/opcode-compiler": "0.68.0",
+    "@glimmer/debug": "0.68.0",
     "@types/qunit": "^2.9.0"
   }
 }
diff --git a/packages/@glimmer/syntax/package.json b/packages/@glimmer/syntax/package.json
index 8c6d7a78e9..36b003e902 100644
--- a/packages/@glimmer/syntax/package.json
+++ b/packages/@glimmer/syntax/package.json
@@ -1,15 +1,15 @@
 {
   "name": "@glimmer/syntax",
-  "version": "0.67.0",
+  "version": "0.68.0",
   "repository": "https://github.com/glimmerjs/glimmer-vm/tree/master/packages/@glimmer/syntax",
   "dependencies": {
-    "@glimmer/interfaces": "0.67.0",
-    "@glimmer/util": "0.67.0",
+    "@glimmer/interfaces": "0.68.0",
+    "@glimmer/util": "0.68.0",
     "@handlebars/parser": "^1.1.0",
     "simple-html-tokenizer": "^0.5.10"
   },
   "devDependencies": {
-    "@glimmer/local-debug-flags": "0.67.0",
+    "@glimmer/local-debug-flags": "0.68.0",
     "@types/qunit": "^2.9.0"
   }
 }
diff --git a/packages/@glimmer/util/package.json b/packages/@glimmer/util/package.json
index 33b352bca9..7a62d25e2e 100644
--- a/packages/@glimmer/util/package.json
+++ b/packages/@glimmer/util/package.json
@@ -1,16 +1,16 @@
 {
   "name": "@glimmer/util",
-  "version": "0.67.0",
+  "version": "0.68.0",
   "description": "Common utilities used in Glimmer",
   "repository": "https://github.com/tildeio/glimmer/tree/master/packages/@glimmer/util",
   "license": "MIT",
   "dependencies": {
     "@glimmer/env": "0.1.7",
-    "@glimmer/interfaces": "0.67.0",
+    "@glimmer/interfaces": "0.68.0",
     "@simple-dom/interface": "^1.4.0"
   },
   "devDependencies": {
-    "@glimmer/local-debug-flags": "0.67.0",
+    "@glimmer/local-debug-flags": "0.68.0",
     "@types/qunit": "^2.9.0",
     "@simple-dom/interface": "^1.4.0"
   },
diff --git a/packages/@glimmer/validator/package.json b/packages/@glimmer/validator/package.json
index fb514ebd11..9e2fcd4ab5 100644
--- a/packages/@glimmer/validator/package.json
+++ b/packages/@glimmer/validator/package.json
@@ -1,10 +1,10 @@
 {
   "name": "@glimmer/validator",
-  "version": "0.67.0",
+  "version": "0.68.0",
   "description": "Objects used to track values and their dirtiness in Glimmer",
   "license": "MIT",
   "dependencies": {
     "@glimmer/env": "^0.1.7",
-    "@glimmer/global-context": "0.67.0"
+    "@glimmer/global-context": "0.68.0"
   }
 }
diff --git a/packages/@glimmer/vm/package.json b/packages/@glimmer/vm/package.json
index bcfa698301..c9ae7907a7 100644
--- a/packages/@glimmer/vm/package.json
+++ b/packages/@glimmer/vm/package.json
@@ -1,10 +1,10 @@
 {
   "name": "@glimmer/vm",
-  "version": "0.67.0",
+  "version": "0.68.0",
   "repository": "https://github.com/glimmerjs/glimmer-vm/tree/master/packages/@glimmer/vm",
   "dependencies": {
-    "@glimmer/util": "0.67.0",
-    "@glimmer/interfaces": "0.67.0"
+    "@glimmer/util": "0.68.0",
+    "@glimmer/interfaces": "0.68.0"
   },
   "typings": "index.ts"
 }
diff --git a/packages/@glimmer/wire-format/package.json b/packages/@glimmer/wire-format/package.json
index 232544bee2..5b2f0a023e 100644
--- a/packages/@glimmer/wire-format/package.json
+++ b/packages/@glimmer/wire-format/package.json
@@ -1,11 +1,11 @@
 {
   "name": "@glimmer/wire-format",
-  "version": "0.67.0",
+  "version": "0.68.0",
   "description": "",
   "repository": "https://github.com/glimmerjs/glimmer-vm/tree/master/packages/@glimmer/wire-format",
   "license": "MIT",
   "dependencies": {
-    "@glimmer/util": "0.67.0",
-    "@glimmer/interfaces": "0.67.0"
+    "@glimmer/util": "0.68.0",
+    "@glimmer/interfaces": "0.68.0"
   }
 }