.npmignore

@@ -15,7 +15,6 @@
 /.stylelintignore
 /.stylelintrc.js
 /.template-lintrc.js
-/.travis.yml
 /.watchmanconfig
 /CONTRIBUTING.md
 /ember-cli-build.js

.prettierignore

@@ -8,6 +8,9 @@
 /coverage/
 !.*
 .*/
+/pnpm-lock.yaml
+ember-cli-update.json
+*.html
 
 # ember-try
 /.node_modules.ember-try/

.prettierrc.js

@@ -5,12 +5,6 @@ module.exports = {
   overrides: [
     {
       files: '*.{js,gjs,ts,gts,mjs,mts,cjs,cts}',
-      options: {
-        singleQuote: true,
-      },
-    },
-    {
-      files: '*.{gjs,gts}',
       options: {
         singleQuote: true,
         templateSingleQuote: false,

.stylelintrc.js

@@ -1,5 +1,5 @@
 'use strict';
 
 module.exports = {
-  extends: ['stylelint-config-standard', 'stylelint-prettier/recommended'],
+  extends: ['stylelint-config-standard'],
 };

eslint.config.mjs

@@ -16,7 +16,7 @@ import globals from 'globals';
 import js from '@eslint/js';
 
 import ember from 'eslint-plugin-ember/recommended';
-import prettier from 'eslint-plugin-prettier/recommended';
+import eslintConfigPrettier from 'eslint-config-prettier';
 import qunit from 'eslint-plugin-qunit';
 import n from 'eslint-plugin-n';
 
@@ -35,7 +35,7 @@ const esmParserOptions = {
 
 export default [
   js.configs.recommended,
-  prettier,
+  eslintConfigPrettier,
   ember.configs.base,
   ember.configs.gjs,
   /**
@@ -81,8 +81,10 @@ export default [
     files: [
       '**/*.cjs',
       'config/**/*.js',
+      'tests/dummy/config/**/*.js',
       'testem.js',
       'testem*.js',
+      'index.js',
       '.prettierrc.js',
       '.stylelintrc.js',
       '.template-lintrc.js',

package.json

@@ -14,10 +14,12 @@
   },
   "scripts": {
     "build": "ember build --environment=production",
+    "format": "prettier . --cache --write",
     "lint": "concurrently \"npm:lint:*(!fix)\" --names \"lint:\" --prefixColors auto",
     "lint:css": "stylelint \"**/*.css\"",
     "lint:css:fix": "concurrently \"npm:lint:css -- --fix\"",
-    "lint:fix": "concurrently \"npm:lint:*:fix\" --names \"fix:\" --prefixColors auto",
+    "lint:fix": "concurrently \"npm:lint:*:fix\" --names \"fix:\" --prefixColors auto && npm run format",
+    "lint:format": "prettier . --cache --check",
     "lint:hbs": "ember-template-lint .",
     "lint:hbs:fix": "ember-template-lint . --fix",
     "lint:js": "eslint . --cache",
@@ -28,53 +30,53 @@
     "test:ember-compatibility": "ember try:each"
   },
   "dependencies": {
-    "@babel/core": "^7.26.7",
+    "@babel/core": "^7.26.10",
     "ember-cli-babel": "^8.2.0",
     "ember-cli-htmlbars": "^6.3.0",
     "ember-template-imports": "^4.3.0"
   },
   "devDependencies": {
-    "@babel/eslint-parser": "^7.26.5",
+    "@babel/eslint-parser": "^7.26.10",
     "@babel/plugin-proposal-decorators": "^7.25.9",
     "@ember/optional-features": "^2.2.0",
-    "@ember/test-helpers": "^4.0.5",
+    "@ember/test-helpers": "^5.1.0",
+    "@embroider/macros": "^1.16.12",
     "@embroider/test-setup": "^4.0.0",
-    "@eslint/js": "^9.19.0",
-    "@glimmer/component": "^1.1.2",
+    "@eslint/js": "^9.23.0",
+    "@glimmer/component": "^2.0.0",
     "@glimmer/tracking": "^1.1.2",
     "broccoli-asset-rev": "^3.0.0",
     "concurrently": "^9.1.2",
     "ember-auto-import": "^2.10.0",
-    "ember-cli": "~6.2.0",
+    "ember-cli": "~6.3.0",
     "ember-cli-clean-css": "^3.0.0",
     "ember-cli-dependency-checker": "^3.3.3",
+    "ember-cli-deprecation-workflow": "^3.3.0",
     "ember-cli-inject-live-reload": "^2.1.0",
     "ember-cli-sri": "^2.1.1",
     "ember-cli-terser": "^4.0.2",
     "ember-load-initializers": "^3.0.1",
-    "ember-page-title": "^8.2.3",
+    "ember-page-title": "^9.0.1",
     "ember-qunit": "^9.0.1",
     "ember-resolver": "^13.1.0",
-    "ember-source": "~6.2.0",
+    "ember-source": "~6.3.0",
     "ember-source-channel-url": "^3.0.0",
     "ember-template-lint": "^6.1.0",
     "ember-try": "^3.0.0",
-    "eslint": "^9.19.0",
+    "eslint": "^9.23.0",
     "eslint-config-prettier": "^9.1.0",
     "eslint-plugin-ember": "^12.5.0",
-    "eslint-plugin-n": "^17.15.1",
-    "eslint-plugin-prettier": "^5.2.3",
+    "eslint-plugin-n": "^17.16.2",
     "eslint-plugin-qunit": "^8.1.2",
-    "globals": "^15.14.0",
+    "globals": "^15.15.0",
     "loader.js": "^4.7.0",
-    "prettier": "^3.4.2",
+    "prettier": "^3.5.3",
     "prettier-plugin-ember-template-tag": "^2.0.4",
     "qunit": "^2.24.1",
     "qunit-dom": "^3.4.0",
-    "stylelint": "^16.14.1",
+    "stylelint": "^16.16.0",
     "stylelint-config-standard": "^36.0.1",
-    "stylelint-prettier": "^5.0.3",
-    "webpack": "^5.97.1"
+    "webpack": "^5.98.0"
   },
   "peerDependencies": {
     "ember-source": ">= 4.0.0"

tests/dummy/app/app.js

@@ -2,6 +2,11 @@ import Application from '@ember/application';
 import Resolver from 'ember-resolver';
 import loadInitializers from 'ember-load-initializers';
 import config from 'dummy/config/environment';
+import { importSync, isDevelopingApp, macroCondition } from '@embroider/macros';
+
+if (macroCondition(isDevelopingApp())) {
+  importSync('./deprecation-workflow');
+}
 
 export default class App extends Application {
   modulePrefix = config.modulePrefix;

tests/dummy/app/deprecation-workflow.js

@@ -0,0 +1,24 @@
+import setupDeprecationWorkflow from 'ember-cli-deprecation-workflow';
+
+/**
+ * Docs: https://github.com/ember-cli/ember-cli-deprecation-workflow
+ */
+setupDeprecationWorkflow({
+  /**
+    false by default, but if a developer / team wants to be more aggressive about being proactive with
+    handling their deprecations, this should be set to "true"
+  */
+  throwOnUnhandled: false,
+  workflow: [
+    /* ... handlers ... */
+    /* to generate this list, run your app for a while (or run the test suite),
+     * and then run in the browser console:
+     *
+     *    deprecationWorkflow.flushDeprecations()
+     *
+     * And copy the handlers here
+     */
+    /* example: */
+    /* { handler: 'silence', matchId: 'template-action' }, */
+  ],
+});

tests/dummy/config/ember-cli-update.json

@@ -3,7 +3,7 @@
   "packages": [
     {
       "name": "ember-cli",
-      "version": "6.2.0",
+      "version": "6.3.0",
       "blueprints": [
         {
           "name": "addon",