all the fixes needed to get it running

app/adapters/application.js

@@ -1,6 +1,5 @@
 import { inject as service } from '@ember/service';
 import JSONAPIAdapter from '@ember-data/adapter/json-api';
-import fetch from 'fetch';
 import { pluralize } from 'ember-inflector';
 import { isBlank } from '@ember/utils';
 

app/instance-initializers/ember-meta-store.js

@@ -1,6 +1,7 @@
 import { isPresent } from '@ember/utils';
 
 export function initialize(appInstance) {
+  return;
   const metaStore = appInstance.lookup('service:meta-store');
   const fastBootService = appInstance.lookup('service:fastboot');
 

app/services/fastboot.js

@@ -0,0 +1,4 @@
+import Service from '@ember/service';
+
+export default class FakeFastbootService extends Service {
+}

ember-cli-build.js

@@ -7,9 +7,6 @@ const { maybeEmbroider } = require('@embroider/test-setup');
 
 module.exports = function (defaults) {
   let app = new EmberApp(defaults, {
-    prember: {
-      urls: premberUrls(),
-    },
     fingerprint: {
       extensions: [
         'js',

package.json

@@ -14,15 +14,15 @@
   },
   "scripts": {
     "clone": "rm -rf ember-api-docs-data && git clone --depth=1 https://github.com/ember-learn/ember-api-docs-data.git",
-    "build": "ember build --environment=production",
+    "build": "vite build",
     "lint": "npm-run-all --aggregate-output --continue-on-error --parallel \"lint:!(fix)\"",
     "lint:fix": "npm-run-all --aggregate-output --continue-on-error --parallel lint:*:fix",
     "lint:hbs": "ember-template-lint .",
     "lint:hbs:fix": "ember-template-lint . --fix",
     "lint:js": "eslint . --cache",
     "start:local": "API_HOST=http://localhost:5050 ember serve",
     "lint:js:fix": "eslint . --fix",
-    "start": "ember serve",
+    "start": "vite",
     "test:browserstack": "node run-tests.js",
     "test:ember": "ember test"
   },
@@ -40,6 +40,7 @@
     "@glint/environment-ember-loose": "^0.9.7",
     "@percy/cli": "^1.28.7",
     "@percy/ember": "^4.2.0",
+    "@rollup/plugin-babel": "^6.0.4",
     "@tsconfig/ember": "^1.0.1",
     "@types/ember": "^4.0.2",
     "@types/ember-qunit": "^5.0.2",
@@ -78,10 +79,7 @@
     "ember-cli-deploy-build": "^1.1.0",
     "ember-cli-deploy-gzip": "^1.0.0",
     "ember-cli-deprecation-workflow": "^3.0.1",
-    "ember-cli-document-title-northm": "^1.0.3",
-    "ember-cli-fastboot": "^4.1.5",
     "ember-cli-htmlbars": "^6.1.1",
-    "@rollup/plugin-babel": "^6.0.4",
     "ember-cli-inject-live-reload": "^2.1.0",
     "ember-cli-meta-tags": "^7.0.0",
     "ember-cli-sass": "^10.0.1",
@@ -91,12 +89,11 @@
     "ember-concurrency": "^2.3.7",
     "ember-data": "~3.28.6",
     "ember-export-application-global": "^2.0.1",
-    "ember-fetch": "^8.1.1",
     "ember-inflector": "^4.0.3",
     "ember-load-initializers": "^2.1.2",
     "ember-maybe-import-regenerator": "^0.1.6",
     "ember-metrics": "^1.5.2",
-    "ember-page-title": "^6.2.2",
+    "ember-page-title": "^8.2.3",
     "ember-power-select": "^7.2.0",
     "ember-qunit": "^5.1.5",
     "ember-resolver": "^8.0.3",
@@ -134,45 +131,51 @@
     "node-sass": "^9.0.0",
     "normalize.css": "^8.0.1",
     "npm-run-all": "^4.1.5",
-    "prember": "^2.1.0",
     "prettier": "^2.5.1",
     "qunit": "^2.17.2",
     "qunit-dom": "^1.6.0",
     "sanitize-html": "^2.3.2",
     "semver": "^7.5.4",
     "semver-compare": "^1.0.0",
+    "showdown": "^2.1.0",
     "spawndamnit": "2.0.0",
     "testem": "^3.10.0",
     "typescript": "^4.9.3",
-    "webpack": "^5.90.0"
     "vite": "^5.3.4",
+    "webpack": "^5.90.0"
   },
+  "packageManager": "[email protected]",
   "engines": {
     "node": "16.* || 18.* || 20.*",
     "npm": "7 || 8 || >= 9"
   },
+  "pnpm": {
+    "overrides": {
+      "ember-get-config": "github:mansona/ember-get-config#config-meta-loader",
+      "ember-truth-helpers": "^4.0.0",
+      "node-sass": "^9.0.0"
+    },
+    "patchedDependencies": {
+      "@ember-data/[email protected]": "patches/@[email protected]",
+      "[email protected]": "patches/[email protected]",
+      "[email protected]": "patches/[email protected]"
+    }
+  },
   "cacheDirectories": [
     "node_modules"
   ],
   "ember": {
     "edition": "octane"
   },
-  "fastbootDependencies": [
-    "algoliasearch",
-    "node-fetch",
-    "abortcontroller-polyfill",
-    "abortcontroller-polyfill/dist/cjs-ponyfill"
-  ],
   "ember-addon": {
     "paths": [
       "lib/api-docs-data"
     ]
   },
-  "pnpm": {
-    "overrides": {
-      "node-sass": "^9.0.0",
-      "ember-truth-helpers": "^4.0.0"
-    }
-  },
-  "packageManager": "[email protected]"
+  "fastbootDependencies": [
+    "algoliasearch",
+    "node-fetch",
+    "abortcontroller-polyfill",
+    "abortcontroller-polyfill/dist/cjs-ponyfill"
+  ]
 }

patches/@ember-data__store@3.28.13.patch

@@ -0,0 +1,52 @@
+diff --git a/addon/-private/system/backburner.js b/addon/-private/system/backburner.js
+index 6aa30ddf1a6c5151f68ec7a1e2b30e34fae64716..28cc2bad6367c2a41a0b589c7e788bf6bcb19ec5 100644
+--- a/addon/-private/system/backburner.js
++++ b/addon/-private/system/backburner.js
+@@ -2,7 +2,6 @@
+   @module @ember-data/store
+ */
+
+-import { registerWaiter } from '@ember/test';
+ import { DEBUG } from '@glimmer/env';
+ import Ember from 'ember';
+
+@@ -17,9 +16,7 @@ import Ember from 'ember';
+ const backburner = new Ember._Backburner(['coalesce', 'sync', 'notify']);
+
+ if (DEBUG) {
+-  registerWaiter(() => {
+-    return !backburner.currentInstance && !backburner.hasTimers();
+-  });
++  
+ }
+
+ export default backburner;
+diff --git a/addon/-private/system/core-store.ts b/addon/-private/system/core-store.ts
+index f7eb8b96bd70abb8b8ebf5beb8a755853e38adc6..319c72e5beb6474a3111b1c5be9b4537797d5b27 100644
+--- a/addon/-private/system/core-store.ts
++++ b/addon/-private/system/core-store.ts
+@@ -8,7 +8,6 @@ import { computed, defineProperty, get, set } from '@ember/object';
+ import { assign } from '@ember/polyfills';
+ import { _backburner as emberBackburner } from '@ember/runloop';
+ import Service from '@ember/service';
+-import { registerWaiter, unregisterWaiter } from '@ember/test';
+ import { isNone, isPresent, typeOf } from '@ember/utils';
+ import { DEBUG } from '@glimmer/env';
+ import Ember from 'ember';
+@@ -414,8 +413,6 @@ abstract class CoreStore extends Service {
+
+         return shouldTrack !== true || isSettled;
+       };
+-
+-      registerWaiter(this.__asyncWaiter);
+     }
+   }
+
+@@ -3690,7 +3687,6 @@ abstract class CoreStore extends Service {
+     this.unloadAll();
+
+     if (DEBUG) {
+-      unregisterWaiter(this.__asyncWaiter);
+       let shouldTrack = this.shouldTrackAsyncRequests;
+       let tracked = this._trackedAsyncRequests;
+       let isSettled = tracked.length === 0;

patches/ember-source@3.28.12.patch

@@ -0,0 +1,67 @@
+diff --git a/CHANGELOG.md b/CHANGELOG.md
+deleted file mode 100644
+index 7ab6fbae31241ccf49da5f1dcea7690738e659d9..0000000000000000000000000000000000000000
+diff --git a/dist/packages/@ember/-internals/runtime/.gitignore b/dist/packages/@ember/-internals/runtime/.gitignore
+deleted file mode 100644
+index a1136368651e6eb6d0d93a09c478f4978f4196fa..0000000000000000000000000000000000000000
+diff --git a/dist/packages/@ember/debug/index.js b/dist/packages/@ember/debug/index.js
+index 6e9b00d5c858be042cd530bcb647fc87d2a00e83..393bdc04dbf1ecc6a091b4696303affa0d94c4a2 100644
+--- a/dist/packages/@ember/debug/index.js
++++ b/dist/packages/@ember/debug/index.js
+@@ -1,7 +1,7 @@
+ import { isChrome, isFirefox } from '@ember/-internals/browser-environment';
+ import EmberError from '@ember/error';
+ import { DEBUG } from '@glimmer/env';
+-import _deprecate from './lib/deprecate';
++import defaultDeprecate from './lib/deprecate';
+ import { isTesting } from './lib/testing';
+ import _warn from './lib/warn';
+ export { inspect } from '@ember/-internals/utils';
+@@ -16,7 +16,7 @@ let assert = noop;
+ let info = noop;
+ let warn = noop;
+ let debug = noop;
+-let deprecate = noop;
++let currentDeprecate;
+ let debugSeal = noop;
+ let debugFreeze = noop;
+ let runInDebug = noop;
+@@ -27,6 +27,14 @@ let deprecateFunc = function () {
+   return arguments[arguments.length - 1];
+ };
+
++export function deprecate() {
++  if (currentDeprecate) {
++    return currentDeprecate(...arguments);
++  }
++  
++  return defaultDeprecate(...arguments);
++}
++
+ if (DEBUG) {
+   setDebugFunction = function (type, callback) {
+     switch (type) {
+@@ -43,7 +51,7 @@ if (DEBUG) {
+         return debug = callback;
+
+       case 'deprecate':
+-        return deprecate = callback;
++        return currentDeprecate = callback;
+
+       case 'debugSeal':
+         return debugSeal = callback;
+@@ -251,7 +259,6 @@ if (DEBUG) {
+       Object.freeze(obj);
+     }
+   });
+-  setDebugFunction('deprecate', _deprecate);
+   setDebugFunction('warn', _warn);
+ }
+
+@@ -275,4 +282,4 @@ if (DEBUG && !isTesting()) {
+   }
+ }
+
+-export { assert, info, warn, debug, deprecate, debugSeal, debugFreeze, runInDebug, deprecateFunc, setDebugFunction, getDebugFunction, _warnIfUsingStrippedFeatureFlags };
+\ No newline at end of file
++export { assert, info, warn, debug, debugSeal, debugFreeze, runInDebug, deprecateFunc, setDebugFunction, getDebugFunction, _warnIfUsingStrippedFeatureFlags };

patches/postcss@8.4.39.patch

@@ -0,0 +1,30 @@
+diff --git a/lib/css-syntax-error.js b/lib/css-syntax-error.js
+index 169303329e6359e12d59b32cfffc302dd84d2280..74f2908c084ddfdf068993c93ba1cd810b25607b 100644
+--- a/lib/css-syntax-error.js
++++ b/lib/css-syntax-error.js
+@@ -2,7 +2,7 @@
+
+ let pico = require('picocolors')
+
+-let terminalHighlight = require('./terminal-highlight')
++let terminalHighlight = require('./terminal-highlight.js')
+
+ class CssSyntaxError extends Error {
+   constructor(message, line, column, source, file, plugin) {
+diff --git a/lib/input.js b/lib/input.js
+index 4b5ee5e02f8ecdf880594d191ec1e84b983faeaa..121ae28e6faa06c6c4f773bd015b475e66f4e061 100644
+--- a/lib/input.js
++++ b/lib/input.js
+@@ -5,9 +5,9 @@ let { fileURLToPath, pathToFileURL } = require('url')
+ let { isAbsolute, resolve } = require('path')
+ let { nanoid } = require('nanoid/non-secure')
+
+-let terminalHighlight = require('./terminal-highlight')
+-let CssSyntaxError = require('./css-syntax-error')
+-let PreviousMap = require('./previous-map')
++let terminalHighlight = require('./terminal-highlight.js')
++let CssSyntaxError = require('./css-syntax-error.js')
++let PreviousMap = require('./previous-map.js')
+
+ let fromOffsetCache = Symbol('fromOffsetCache')
+