diff --git a/CHANGELOG.md b/CHANGELOG.md
index ddb74a4556..2c05a9ead0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,11 +1,11 @@
 # ember-cli Changelog
 
-## v4.2.0-beta.1
+## v4.2.0
 
 #### Blueprint Changes
 
-- [`ember new` diff](https://github.com/ember-cli/ember-new-output/compare/v4.1.0...v4.2.0-beta.1)
-- [`ember addon` diff](https://github.com/ember-cli/ember-addon-output/compare/v4.1.0...v4.2.0-beta.1)
+- [`ember new` diff](https://github.com/ember-cli/ember-new-output/compare/v4.1.1...v4.2.0)
+- [`ember addon` diff](https://github.com/ember-cli/ember-addon-output/compare/v4.1.1...v4.2.0)
 
 #### Changelog
 
diff --git a/blueprints/addon/additional-dev-dependencies.json b/blueprints/addon/additional-dev-dependencies.json
index 51307c0bfa..d4f7cfd2a0 100644
--- a/blueprints/addon/additional-dev-dependencies.json
+++ b/blueprints/addon/additional-dev-dependencies.json
@@ -1,6 +1,6 @@
 {
   "devDependencies": {
-    "@embroider/test-setup": "^1.0.0",
+    "@embroider/test-setup": "^1.2.0",
     "ember-disable-prototype-extensions": "^1.1.3",
     "ember-try": "^2.0.0",
     "ember-source-channel-url": "^3.0.0"
diff --git a/blueprints/app/files/package.json b/blueprints/app/files/package.json
index 0a2b49b6c3..39a4344c81 100644
--- a/blueprints/app/files/package.json
+++ b/blueprints/app/files/package.json
@@ -25,14 +25,14 @@
   "devDependencies": {
     "@ember/optional-features": "^2.0.0",
     "@ember/test-helpers": "^2.6.0<% if (embroider) { %>",
-    "@embroider/compat": "^1.0.0",
-    "@embroider/core": "^1.0.0",
-    "@embroider/webpack": "^1.0.0<% } %>",
+    "@embroider/compat": "^1.2.0",
+    "@embroider/core": "^1.2.0",
+    "@embroider/webpack": "^1.2.0<% } %>",
     "@glimmer/component": "^1.0.4",
     "@glimmer/tracking": "^1.0.4",
     "babel-eslint": "^10.1.0",
     "broccoli-asset-rev": "^3.0.0",
-    "ember-auto-import": "^2.2.4",
+    "ember-auto-import": "^2.4.0",
     "ember-cli": "~<%= emberCLIVersion %>",
     "ember-cli-app-version": "^5.0.0",
     "ember-cli-babel": "^7.26.11",
@@ -41,28 +41,28 @@
     "ember-cli-inject-live-reload": "^2.1.0",
     "ember-cli-sri": "^2.1.1",
     "ember-cli-terser": "^4.0.2",
-    "ember-data": "~4.2.0-beta.0",
+    "ember-data": "~4.2.0",
     "ember-export-application-global": "^2.0.1",
     "ember-fetch": "^8.1.1",
     "ember-load-initializers": "^2.1.2",
     "ember-page-title": "^7.0.0",
     "ember-qunit": "^5.1.5",
     "ember-resolver": "^8.0.3",
-    "ember-source": "~4.2.0-beta.1",
-    "ember-template-lint": "^4.0.0<% if (welcome) { %>",
+    "ember-source": "~4.2.0",
+    "ember-template-lint": "^4.2.0<% if (welcome) { %>",
     "ember-welcome-page": "^6.1.0<% } %>",
     "eslint": "^7.32.0",
-    "eslint-config-prettier": "^8.3.0",
-    "eslint-plugin-ember": "^10.5.8",
+    "eslint-config-prettier": "^8.4.0",
+    "eslint-plugin-ember": "^10.5.9",
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-prettier": "^4.0.0",
     "eslint-plugin-qunit": "^7.2.0",
     "loader.js": "^4.7.0",
     "npm-run-all": "^4.1.5",
     "prettier": "^2.5.1",
-    "qunit": "^2.17.2",
+    "qunit": "^2.18.0",
     "qunit-dom": "^2.0.0",
-    "webpack": "^5.65.0"
+    "webpack": "^5.69.1"
   },
   "engines": {
     "node": "12.* || 14.* || >= 16"
diff --git a/package.json b/package.json
index eb1ec9c07c..0c7fbe1123 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ember-cli",
-  "version": "4.2.0-beta.1",
+  "version": "4.2.0",
   "description": "Command line tool for developing ambitious ember.js apps",
   "keywords": [
     "app",
diff --git a/tests/fixtures/addon/defaults/package.json b/tests/fixtures/addon/defaults/package.json
index ca8bba3033..9714bb6d55 100644
--- a/tests/fixtures/addon/defaults/package.json
+++ b/tests/fixtures/addon/defaults/package.json
@@ -32,12 +32,12 @@
   "devDependencies": {
     "@ember/optional-features": "^2.0.0",
     "@ember/test-helpers": "^2.6.0",
-    "@embroider/test-setup": "^1.0.0",
+    "@embroider/test-setup": "^1.2.0",
     "@glimmer/component": "^1.0.4",
     "@glimmer/tracking": "^1.0.4",
     "babel-eslint": "^10.1.0",
     "broccoli-asset-rev": "^3.0.0",
-    "ember-auto-import": "^2.2.4",
+    "ember-auto-import": "^2.4.0",
     "ember-cli": "~<%= emberCLIVersion %>",
     "ember-cli-dependency-checker": "^3.2.0",
     "ember-cli-inject-live-reload": "^2.1.0",
@@ -49,22 +49,22 @@
     "ember-page-title": "^7.0.0",
     "ember-qunit": "^5.1.5",
     "ember-resolver": "^8.0.3",
-    "ember-source": "~4.2.0-beta.1",
+    "ember-source": "~4.2.0",
     "ember-source-channel-url": "^3.0.0",
-    "ember-template-lint": "^4.0.0",
+    "ember-template-lint": "^4.2.0",
     "ember-try": "^2.0.0",
     "eslint": "^7.32.0",
-    "eslint-config-prettier": "^8.3.0",
-    "eslint-plugin-ember": "^10.5.8",
+    "eslint-config-prettier": "^8.4.0",
+    "eslint-plugin-ember": "^10.5.9",
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-prettier": "^4.0.0",
     "eslint-plugin-qunit": "^7.2.0",
     "loader.js": "^4.7.0",
     "npm-run-all": "^4.1.5",
     "prettier": "^2.5.1",
-    "qunit": "^2.17.2",
+    "qunit": "^2.18.0",
     "qunit-dom": "^2.0.0",
-    "webpack": "^5.65.0"
+    "webpack": "^5.69.1"
   },
   "engines": {
     "node": "12.* || 14.* || >= 16"
diff --git a/tests/fixtures/addon/yarn/package.json b/tests/fixtures/addon/yarn/package.json
index a4d533d14c..677aeb20e4 100644
--- a/tests/fixtures/addon/yarn/package.json
+++ b/tests/fixtures/addon/yarn/package.json
@@ -32,12 +32,12 @@
   "devDependencies": {
     "@ember/optional-features": "^2.0.0",
     "@ember/test-helpers": "^2.6.0",
-    "@embroider/test-setup": "^1.0.0",
+    "@embroider/test-setup": "^1.2.0",
     "@glimmer/component": "^1.0.4",
     "@glimmer/tracking": "^1.0.4",
     "babel-eslint": "^10.1.0",
     "broccoli-asset-rev": "^3.0.0",
-    "ember-auto-import": "^2.2.4",
+    "ember-auto-import": "^2.4.0",
     "ember-cli": "~<%= emberCLIVersion %>",
     "ember-cli-dependency-checker": "^3.2.0",
     "ember-cli-inject-live-reload": "^2.1.0",
@@ -49,23 +49,23 @@
     "ember-page-title": "^7.0.0",
     "ember-qunit": "^5.1.5",
     "ember-resolver": "^8.0.3",
-    "ember-source": "~4.2.0-beta.1",
+    "ember-source": "~4.2.0",
     "ember-source-channel-url": "^3.0.0",
-    "ember-template-lint": "^4.0.0",
+    "ember-template-lint": "^4.2.0",
     "ember-try": "^2.0.0",
     "ember-welcome-page": "^6.1.0",
     "eslint": "^7.32.0",
-    "eslint-config-prettier": "^8.3.0",
-    "eslint-plugin-ember": "^10.5.8",
+    "eslint-config-prettier": "^8.4.0",
+    "eslint-plugin-ember": "^10.5.9",
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-prettier": "^4.0.0",
     "eslint-plugin-qunit": "^7.2.0",
     "loader.js": "^4.7.0",
     "npm-run-all": "^4.1.5",
     "prettier": "^2.5.1",
-    "qunit": "^2.17.2",
+    "qunit": "^2.18.0",
     "qunit-dom": "^2.0.0",
-    "webpack": "^5.65.0"
+    "webpack": "^5.69.1"
   },
   "engines": {
     "node": "12.* || 14.* || >= 16"
diff --git a/tests/fixtures/app/defaults/package.json b/tests/fixtures/app/defaults/package.json
index cd2ab19b05..810507ff75 100644
--- a/tests/fixtures/app/defaults/package.json
+++ b/tests/fixtures/app/defaults/package.json
@@ -29,7 +29,7 @@
     "@glimmer/tracking": "^1.0.4",
     "babel-eslint": "^10.1.0",
     "broccoli-asset-rev": "^3.0.0",
-    "ember-auto-import": "^2.2.4",
+    "ember-auto-import": "^2.4.0",
     "ember-cli": "~<%= emberCLIVersion %>",
     "ember-cli-app-version": "^5.0.0",
     "ember-cli-babel": "^7.26.11",
@@ -38,28 +38,28 @@
     "ember-cli-inject-live-reload": "^2.1.0",
     "ember-cli-sri": "^2.1.1",
     "ember-cli-terser": "^4.0.2",
-    "ember-data": "~4.2.0-beta.0",
+    "ember-data": "~4.2.0",
     "ember-export-application-global": "^2.0.1",
     "ember-fetch": "^8.1.1",
     "ember-load-initializers": "^2.1.2",
     "ember-page-title": "^7.0.0",
     "ember-qunit": "^5.1.5",
     "ember-resolver": "^8.0.3",
-    "ember-source": "~4.2.0-beta.1",
-    "ember-template-lint": "^4.0.0",
+    "ember-source": "~4.2.0",
+    "ember-template-lint": "^4.2.0",
     "ember-welcome-page": "^6.1.0",
     "eslint": "^7.32.0",
-    "eslint-config-prettier": "^8.3.0",
-    "eslint-plugin-ember": "^10.5.8",
+    "eslint-config-prettier": "^8.4.0",
+    "eslint-plugin-ember": "^10.5.9",
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-prettier": "^4.0.0",
     "eslint-plugin-qunit": "^7.2.0",
     "loader.js": "^4.7.0",
     "npm-run-all": "^4.1.5",
     "prettier": "^2.5.1",
-    "qunit": "^2.17.2",
+    "qunit": "^2.18.0",
     "qunit-dom": "^2.0.0",
-    "webpack": "^5.65.0"
+    "webpack": "^5.69.1"
   },
   "engines": {
     "node": "12.* || 14.* || >= 16"
diff --git a/tests/fixtures/app/embroider-no-welcome/package.json b/tests/fixtures/app/embroider-no-welcome/package.json
index 7c827fbc7e..fb557edf63 100644
--- a/tests/fixtures/app/embroider-no-welcome/package.json
+++ b/tests/fixtures/app/embroider-no-welcome/package.json
@@ -25,14 +25,14 @@
   "devDependencies": {
     "@ember/optional-features": "^2.0.0",
     "@ember/test-helpers": "^2.6.0",
-    "@embroider/compat": "^1.0.0",
-    "@embroider/core": "^1.0.0",
-    "@embroider/webpack": "^1.0.0",
+    "@embroider/compat": "^1.2.0",
+    "@embroider/core": "^1.2.0",
+    "@embroider/webpack": "^1.2.0",
     "@glimmer/component": "^1.0.4",
     "@glimmer/tracking": "^1.0.4",
     "babel-eslint": "^10.1.0",
     "broccoli-asset-rev": "^3.0.0",
-    "ember-auto-import": "^2.2.4",
+    "ember-auto-import": "^2.4.0",
     "ember-cli": "~<%= emberCLIVersion %>",
     "ember-cli-app-version": "^5.0.0",
     "ember-cli-babel": "^7.26.11",
@@ -41,27 +41,27 @@
     "ember-cli-inject-live-reload": "^2.1.0",
     "ember-cli-sri": "^2.1.1",
     "ember-cli-terser": "^4.0.2",
-    "ember-data": "~4.2.0-beta.0",
+    "ember-data": "~4.2.0",
     "ember-export-application-global": "^2.0.1",
     "ember-fetch": "^8.1.1",
     "ember-load-initializers": "^2.1.2",
     "ember-page-title": "^7.0.0",
     "ember-qunit": "^5.1.5",
     "ember-resolver": "^8.0.3",
-    "ember-source": "~4.2.0-beta.1",
-    "ember-template-lint": "^4.0.0",
+    "ember-source": "~4.2.0",
+    "ember-template-lint": "^4.2.0",
     "eslint": "^7.32.0",
-    "eslint-config-prettier": "^8.3.0",
-    "eslint-plugin-ember": "^10.5.8",
+    "eslint-config-prettier": "^8.4.0",
+    "eslint-plugin-ember": "^10.5.9",
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-prettier": "^4.0.0",
     "eslint-plugin-qunit": "^7.2.0",
     "loader.js": "^4.7.0",
     "npm-run-all": "^4.1.5",
     "prettier": "^2.5.1",
-    "qunit": "^2.17.2",
+    "qunit": "^2.18.0",
     "qunit-dom": "^2.0.0",
-    "webpack": "^5.65.0"
+    "webpack": "^5.69.1"
   },
   "engines": {
     "node": "12.* || 14.* || >= 16"
diff --git a/tests/fixtures/app/embroider-yarn/package.json b/tests/fixtures/app/embroider-yarn/package.json
index a29c0030b4..19d4b6b780 100644
--- a/tests/fixtures/app/embroider-yarn/package.json
+++ b/tests/fixtures/app/embroider-yarn/package.json
@@ -25,14 +25,14 @@
   "devDependencies": {
     "@ember/optional-features": "^2.0.0",
     "@ember/test-helpers": "^2.6.0",
-    "@embroider/compat": "^1.0.0",
-    "@embroider/core": "^1.0.0",
-    "@embroider/webpack": "^1.0.0",
+    "@embroider/compat": "^1.2.0",
+    "@embroider/core": "^1.2.0",
+    "@embroider/webpack": "^1.2.0",
     "@glimmer/component": "^1.0.4",
     "@glimmer/tracking": "^1.0.4",
     "babel-eslint": "^10.1.0",
     "broccoli-asset-rev": "^3.0.0",
-    "ember-auto-import": "^2.2.4",
+    "ember-auto-import": "^2.4.0",
     "ember-cli": "~<%= emberCLIVersion %>",
     "ember-cli-app-version": "^5.0.0",
     "ember-cli-babel": "^7.26.11",
@@ -41,28 +41,28 @@
     "ember-cli-inject-live-reload": "^2.1.0",
     "ember-cli-sri": "^2.1.1",
     "ember-cli-terser": "^4.0.2",
-    "ember-data": "~4.2.0-beta.0",
+    "ember-data": "~4.2.0",
     "ember-export-application-global": "^2.0.1",
     "ember-fetch": "^8.1.1",
     "ember-load-initializers": "^2.1.2",
     "ember-page-title": "^7.0.0",
     "ember-qunit": "^5.1.5",
     "ember-resolver": "^8.0.3",
-    "ember-source": "~4.2.0-beta.1",
-    "ember-template-lint": "^4.0.0",
+    "ember-source": "~4.2.0",
+    "ember-template-lint": "^4.2.0",
     "ember-welcome-page": "^6.1.0",
     "eslint": "^7.32.0",
-    "eslint-config-prettier": "^8.3.0",
-    "eslint-plugin-ember": "^10.5.8",
+    "eslint-config-prettier": "^8.4.0",
+    "eslint-plugin-ember": "^10.5.9",
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-prettier": "^4.0.0",
     "eslint-plugin-qunit": "^7.2.0",
     "loader.js": "^4.7.0",
     "npm-run-all": "^4.1.5",
     "prettier": "^2.5.1",
-    "qunit": "^2.17.2",
+    "qunit": "^2.18.0",
     "qunit-dom": "^2.0.0",
-    "webpack": "^5.65.0"
+    "webpack": "^5.69.1"
   },
   "engines": {
     "node": "12.* || 14.* || >= 16"
diff --git a/tests/fixtures/app/embroider/package.json b/tests/fixtures/app/embroider/package.json
index a29c0030b4..19d4b6b780 100644
--- a/tests/fixtures/app/embroider/package.json
+++ b/tests/fixtures/app/embroider/package.json
@@ -25,14 +25,14 @@
   "devDependencies": {
     "@ember/optional-features": "^2.0.0",
     "@ember/test-helpers": "^2.6.0",
-    "@embroider/compat": "^1.0.0",
-    "@embroider/core": "^1.0.0",
-    "@embroider/webpack": "^1.0.0",
+    "@embroider/compat": "^1.2.0",
+    "@embroider/core": "^1.2.0",
+    "@embroider/webpack": "^1.2.0",
     "@glimmer/component": "^1.0.4",
     "@glimmer/tracking": "^1.0.4",
     "babel-eslint": "^10.1.0",
     "broccoli-asset-rev": "^3.0.0",
-    "ember-auto-import": "^2.2.4",
+    "ember-auto-import": "^2.4.0",
     "ember-cli": "~<%= emberCLIVersion %>",
     "ember-cli-app-version": "^5.0.0",
     "ember-cli-babel": "^7.26.11",
@@ -41,28 +41,28 @@
     "ember-cli-inject-live-reload": "^2.1.0",
     "ember-cli-sri": "^2.1.1",
     "ember-cli-terser": "^4.0.2",
-    "ember-data": "~4.2.0-beta.0",
+    "ember-data": "~4.2.0",
     "ember-export-application-global": "^2.0.1",
     "ember-fetch": "^8.1.1",
     "ember-load-initializers": "^2.1.2",
     "ember-page-title": "^7.0.0",
     "ember-qunit": "^5.1.5",
     "ember-resolver": "^8.0.3",
-    "ember-source": "~4.2.0-beta.1",
-    "ember-template-lint": "^4.0.0",
+    "ember-source": "~4.2.0",
+    "ember-template-lint": "^4.2.0",
     "ember-welcome-page": "^6.1.0",
     "eslint": "^7.32.0",
-    "eslint-config-prettier": "^8.3.0",
-    "eslint-plugin-ember": "^10.5.8",
+    "eslint-config-prettier": "^8.4.0",
+    "eslint-plugin-ember": "^10.5.9",
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-prettier": "^4.0.0",
     "eslint-plugin-qunit": "^7.2.0",
     "loader.js": "^4.7.0",
     "npm-run-all": "^4.1.5",
     "prettier": "^2.5.1",
-    "qunit": "^2.17.2",
+    "qunit": "^2.18.0",
     "qunit-dom": "^2.0.0",
-    "webpack": "^5.65.0"
+    "webpack": "^5.69.1"
   },
   "engines": {
     "node": "12.* || 14.* || >= 16"
diff --git a/tests/fixtures/app/npm/package.json b/tests/fixtures/app/npm/package.json
index 1dd1036423..9bffe3af78 100644
--- a/tests/fixtures/app/npm/package.json
+++ b/tests/fixtures/app/npm/package.json
@@ -29,7 +29,7 @@
     "@glimmer/tracking": "^1.0.4",
     "babel-eslint": "^10.1.0",
     "broccoli-asset-rev": "^3.0.0",
-    "ember-auto-import": "^2.2.4",
+    "ember-auto-import": "^2.4.0",
     "ember-cli": "~<%= emberCLIVersion %>",
     "ember-cli-app-version": "^5.0.0",
     "ember-cli-babel": "^7.26.11",
@@ -38,27 +38,27 @@
     "ember-cli-inject-live-reload": "^2.1.0",
     "ember-cli-sri": "^2.1.1",
     "ember-cli-terser": "^4.0.2",
-    "ember-data": "~4.2.0-beta.0",
+    "ember-data": "~4.2.0",
     "ember-export-application-global": "^2.0.1",
     "ember-fetch": "^8.1.1",
     "ember-load-initializers": "^2.1.2",
     "ember-page-title": "^7.0.0",
     "ember-qunit": "^5.1.5",
     "ember-resolver": "^8.0.3",
-    "ember-source": "~4.2.0-beta.1",
-    "ember-template-lint": "^4.0.0",
+    "ember-source": "~4.2.0",
+    "ember-template-lint": "^4.2.0",
     "eslint": "^7.32.0",
-    "eslint-config-prettier": "^8.3.0",
-    "eslint-plugin-ember": "^10.5.8",
+    "eslint-config-prettier": "^8.4.0",
+    "eslint-plugin-ember": "^10.5.9",
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-prettier": "^4.0.0",
     "eslint-plugin-qunit": "^7.2.0",
     "loader.js": "^4.7.0",
     "npm-run-all": "^4.1.5",
     "prettier": "^2.5.1",
-    "qunit": "^2.17.2",
+    "qunit": "^2.18.0",
     "qunit-dom": "^2.0.0",
-    "webpack": "^5.65.0"
+    "webpack": "^5.69.1"
   },
   "engines": {
     "node": "12.* || 14.* || >= 16"
diff --git a/tests/fixtures/app/yarn/package.json b/tests/fixtures/app/yarn/package.json
index cd2ab19b05..810507ff75 100644
--- a/tests/fixtures/app/yarn/package.json
+++ b/tests/fixtures/app/yarn/package.json
@@ -29,7 +29,7 @@
     "@glimmer/tracking": "^1.0.4",
     "babel-eslint": "^10.1.0",
     "broccoli-asset-rev": "^3.0.0",
-    "ember-auto-import": "^2.2.4",
+    "ember-auto-import": "^2.4.0",
     "ember-cli": "~<%= emberCLIVersion %>",
     "ember-cli-app-version": "^5.0.0",
     "ember-cli-babel": "^7.26.11",
@@ -38,28 +38,28 @@
     "ember-cli-inject-live-reload": "^2.1.0",
     "ember-cli-sri": "^2.1.1",
     "ember-cli-terser": "^4.0.2",
-    "ember-data": "~4.2.0-beta.0",
+    "ember-data": "~4.2.0",
     "ember-export-application-global": "^2.0.1",
     "ember-fetch": "^8.1.1",
     "ember-load-initializers": "^2.1.2",
     "ember-page-title": "^7.0.0",
     "ember-qunit": "^5.1.5",
     "ember-resolver": "^8.0.3",
-    "ember-source": "~4.2.0-beta.1",
-    "ember-template-lint": "^4.0.0",
+    "ember-source": "~4.2.0",
+    "ember-template-lint": "^4.2.0",
     "ember-welcome-page": "^6.1.0",
     "eslint": "^7.32.0",
-    "eslint-config-prettier": "^8.3.0",
-    "eslint-plugin-ember": "^10.5.8",
+    "eslint-config-prettier": "^8.4.0",
+    "eslint-plugin-ember": "^10.5.9",
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-prettier": "^4.0.0",
     "eslint-plugin-qunit": "^7.2.0",
     "loader.js": "^4.7.0",
     "npm-run-all": "^4.1.5",
     "prettier": "^2.5.1",
-    "qunit": "^2.17.2",
+    "qunit": "^2.18.0",
     "qunit-dom": "^2.0.0",
-    "webpack": "^5.65.0"
+    "webpack": "^5.69.1"
   },
   "engines": {
     "node": "12.* || 14.* || >= 16"