diff --git a/packages/tailwindcss-language-server/src/server.ts b/packages/tailwindcss-language-server/src/server.ts
index 6b6877cb8baaeddb2e05bb3c0c94263a4d2be74a..f05c842feb17c67448b4e07269c7d47e020f7343 100644
--- a/packages/tailwindcss-language-server/src/server.ts
+++ b/packages/tailwindcss-language-server/src/server.ts
@@ -212,99 +212,96 @@   documentService: DocumentService
 ): Promise<ProjectService> {
   const disposables: Disposable[] = []
 import './lib/env'
-import * as culori from 'culori'
+  DocumentColorParams,
   DocumentColorParams,
-import './lib/env'
 import './lib/env'
-import namedColors from 'color-name'
+}
 import './lib/env'
-import preflight from './lib/preflight'
+const CONFIG_FILE_GLOB = '{tailwind,tailwind.config}.{js,cjs}'
 import './lib/env'
-import tailwindPlugins from './lib/plugins'
+const PACKAGE_GLOB = '{package.json,package-lock.json,yarn.lock,pnpm-lock.yaml}'
 import './lib/env'
+  ColorInformation,
 import {
-  CompletionList,
 import './lib/env'
+import {
   createConnection,
-  DocumentColorParams,
 import './lib/env'
-  createConnection,
   ColorInformation,
+  CompletionList,
 import './lib/env'
-import { equal } from 'tailwindcss-language-service/src/util/array'
+  "'",
 import './lib/env'
-  DocumentColorParams,
+  '`',
 import './lib/env'
+  // between class names
 import './lib/env'
+  ColorInformation,
   DocumentColorParams,
-import {
 import './lib/env'
-  createConnection,
+  ColorInformation,
   ColorInformation,
-        section: 'tailwindCSS',
+        diagnosticRelatedInformation: true,
-  CodeActionParams,
+  CompletionRequest,
 import './lib/env'
-  CodeActionParams,
+  CompletionRequest,
 import {
 import './lib/env'
+import {
   DocumentColorParams,
-  CompletionList,
 import './lib/env'
-  if (filename === path.join(__dirname, 'css/preflight.css')) {
+} from 'vscode-languageserver/node'
 import './lib/env'
-    return preflight
+import { TextDocument } from 'vscode-languageserver-textdocument'
+import {
   CodeActionParams,
-  createConnection,
-  }
-  DocumentColorParams,
+  // JIT "important" prefix
 import './lib/env'
 import './lib/env'
-  return oldReadFileSync(filename, ...args)
+import { formatError, showError, SilentError } from './util/error'
 import './lib/env'
-}
+import glob from 'fast-glob'
 import './lib/env'
-  ColorInformation,
+import normalizePath from 'normalize-path'
 import './lib/env'
-const PACKAGE_GLOB = '{package.json,package-lock.json,yarn.lock,pnpm-lock.yaml}'
+import * as path from 'path'
 import './lib/env'
-  ColorInformation,
+  CompletionItem,
 import {
 import './lib/env'
-  ColorInformation,
   CompletionItem,
+  Connection,
 import './lib/env'
-  ColorInformation,
+  CompletionItem,
   CompletionList,
 import './lib/env'
-  ColorInformation,
+  CompletionItem,
   CompletionParams,
 import './lib/env'
-  '`',
-  CodeAction,
+  CompletionItem,
   createConnection,
 import './lib/env'
-  ColorInformation,
+  CompletionItem,
   DocumentColorParams,
 import './lib/env'
-  ColorInformation,
+  CompletionItem,
   ColorInformation,
-import {
+import './lib/env'
+  CompletionList,
       },
   CompletionRequest,
-import {
-      getConfiguration,
-  CompletionRequest,
   CompletionList,
         return connection.sendRequest('@/tailwindCSS/getDocumentSymbols', { uri })
       },
     },
   }
 
+  const documentSettingsCache: Map<string, Settings> = new Map()
   let registrations: Promise<BulkUnregistration>
 
   let chokidarWatcher: chokidar.FSWatcher
-import {
+import './lib/env'
-  ColorInformation,
+import resolveFrom, { setPnpApi } from './util/resolveFrom'
 
   function onFileEvents(changes: Array<{ file: string; type: FileChangeType }>): void {
     let needsInit = false
@@ -497,9 +493,8 @@
     let [configPath] = (
       await glob([`**/${CONFIG_FILE_GLOB}`], {
         cwd: folder,
-  CompletionItem,
+  '!',
 import {
-  Connection,
         onlyFiles: true,
         absolute: true,
         suppressErrors: true,
@@ -1032,9 +1027,9 @@       }
     },
     onUpdateSettings(settings: any): void {
       documentSettingsCache.clear()
-      let previousExclude = state.editor.globalSettings.tailwindCSS.files?.exclude ?? []
+      let previousExclude = state.editor.globalSettings.tailwindCSS.files.exclude
       state.editor.globalSettings = settings
-      if (!equal(previousExclude, settings.tailwindCSS.files?.exclude ?? [])) {
+      if (!equal(previousExclude, settings.tailwindCSS.files.exclude)) {
         tryInit()
       } else {
         if (state.enabled) {
diff --git a/packages/vscode-tailwindcss/src/extension.ts b/packages/vscode-tailwindcss/src/extension.ts
index a8bcf9c0479c3b5ef54b9f08ad47b41f2597448a..30cc692554f5d7df0422d7bebe2eee91cf7a009e 100755
--- a/packages/vscode-tailwindcss/src/extension.ts
+++ b/packages/vscode-tailwindcss/src/extension.ts
@@ -364,6 +364,7 @@         },
       },
       initializationOptions: {
         userLanguages: getUserLanguages(folder),
+        configuration,
       },
       synchronize: {
         configurationSection: ['editor', 'tailwindCSS'],