diff --git a/.gitignore b/.gitignore
index 22a1810f5..6a6486db1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@ node_modules
 *.tsbuildinfo
 .angular
 __screenshots__
+.vscode/profile
diff --git a/.vscode/launch.json b/.vscode/launch.json
index f544d7909..e3d4f6cad 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -27,7 +27,8 @@
           "type": "chrome",
           "request": "launch",
           "url": "http://localhost:20001",
-          "webRoot": "${workspaceFolder}"
+          "webRoot": "${workspaceFolder}",
+          "userDataDir": "${workspaceFolder}/.vscode/profile"
         }
     ]
 }
diff --git a/packages/examples/src/bare/client.ts b/packages/examples/src/bare/client.ts
index 7ffe222c2..37c2d5c7d 100644
--- a/packages/examples/src/bare/client.ts
+++ b/packages/examples/src/bare/client.ts
@@ -32,7 +32,7 @@ export const runClient = async () => {
     });
 
     updateUserConfiguration(JSON.stringify({
-        'editor.experimental.asyncTokenization': false
+        'editor.experimental.asyncTokenization': true
     }));
 
     // register the JSON language with Monaco
diff --git a/packages/examples/src/browser/main.ts b/packages/examples/src/browser/main.ts
index 1d05772be..794f16251 100644
--- a/packages/examples/src/browser/main.ts
+++ b/packages/examples/src/browser/main.ts
@@ -49,7 +49,7 @@ export const runBrowserEditor = async () => {
                     'workbench.colorTheme': 'Default Dark Modern',
                     'editor.guides.bracketPairsHorizontal': 'active',
                     'editor.lightbulb.enabled': 'On',
-                    'editor.experimental.asyncTokenization': false
+                    'editor.experimental.asyncTokenization': true
                 })
             },
             monacoWorkerFactory: configureMonacoWorkers
diff --git a/packages/examples/src/eclipse.jdt.ls/client/main.ts b/packages/examples/src/eclipse.jdt.ls/client/main.ts
index fae83ec82..46da20fb6 100644
--- a/packages/examples/src/eclipse.jdt.ls/client/main.ts
+++ b/packages/examples/src/eclipse.jdt.ls/client/main.ts
@@ -41,7 +41,7 @@ export const runEclipseJdtLsClient = () => {
                     'workbench.colorTheme': 'Default Dark Modern',
                     'editor.guides.bracketPairsHorizontal': 'active',
                     'editor.wordBasedSuggestions': 'off',
-                    'editor.experimental.asyncTokenization': false
+                    'editor.experimental.asyncTokenization': true
                 })
             },
             monacoWorkerFactory: configureMonacoWorkers
diff --git a/packages/examples/src/groovy/client/main.ts b/packages/examples/src/groovy/client/main.ts
index 515564828..7b86068be 100644
--- a/packages/examples/src/groovy/client/main.ts
+++ b/packages/examples/src/groovy/client/main.ts
@@ -37,7 +37,7 @@ const userConfig: WrapperConfig = {
                 'workbench.colorTheme': 'Default Dark Modern',
                 'editor.guides.bracketPairsHorizontal': 'active',
                 'editor.wordBasedSuggestions': 'off',
-                'editor.experimental.asyncTokenization': false
+                'editor.experimental.asyncTokenization': true
             })
         },
         monacoWorkerFactory: configureMonacoWorkers
diff --git a/packages/examples/src/json/client/wrapperWs.ts b/packages/examples/src/json/client/wrapperWs.ts
index c3293c192..e2cacdcb4 100644
--- a/packages/examples/src/json/client/wrapperWs.ts
+++ b/packages/examples/src/json/client/wrapperWs.ts
@@ -37,7 +37,7 @@ export const jsonClientUserConfig: WrapperConfig = {
                 'editor.guides.bracketPairsHorizontal': 'active',
                 'editor.lightbulb.enabled': 'On',
                 'editor.wordBasedSuggestions': 'off',
-                'editor.experimental.asyncTokenization': false
+                'editor.experimental.asyncTokenization': true
             })
         },
         monacoWorkerFactory: configureMonacoWorkers
diff --git a/packages/examples/src/langium/langium-dsl/config/extendedConfig.ts b/packages/examples/src/langium/langium-dsl/config/extendedConfig.ts
index 4955c29f0..28c635adb 100644
--- a/packages/examples/src/langium/langium-dsl/config/extendedConfig.ts
+++ b/packages/examples/src/langium/langium-dsl/config/extendedConfig.ts
@@ -73,7 +73,7 @@ export const setupLangiumClientExtended = async (): Promise<WrapperConfig> => {
                     'workbench.colorTheme': 'GitHub Dark High Contrast',
                     'editor.guides.bracketPairsHorizontal': 'active',
                     'editor.wordBasedSuggestions': 'off',
-                    'editor.experimental.asyncTokenization': false
+                    'editor.experimental.asyncTokenization': true
                 })
             },
             monacoWorkerFactory: configureMonacoWorkers
diff --git a/packages/examples/src/langium/statemachine/config/wrapperStatemachineConfig.ts b/packages/examples/src/langium/statemachine/config/wrapperStatemachineConfig.ts
index c0a50fdd2..a9234ef54 100644
--- a/packages/examples/src/langium/statemachine/config/wrapperStatemachineConfig.ts
+++ b/packages/examples/src/langium/statemachine/config/wrapperStatemachineConfig.ts
@@ -93,7 +93,7 @@ export const createLangiumGlobalConfig = async (params: {
                     'workbench.colorTheme': 'Default Dark Modern',
                     'editor.guides.bracketPairsHorizontal': 'active',
                     'editor.wordBasedSuggestions': 'off',
-                    'editor.experimental.asyncTokenization': false
+                    'editor.experimental.asyncTokenization': true
                 })
             },
             monacoWorkerFactory: configureMonacoWorkers
diff --git a/packages/examples/src/multi/twoLanguageClients.ts b/packages/examples/src/multi/twoLanguageClients.ts
index 1e9545750..705befed3 100644
--- a/packages/examples/src/multi/twoLanguageClients.ts
+++ b/packages/examples/src/multi/twoLanguageClients.ts
@@ -51,7 +51,7 @@ print("Hello Moon!")
                 json: JSON.stringify({
                     'workbench.colorTheme': 'Default Dark Modern',
                     'editor.wordBasedSuggestions': 'off',
-                    'editor.experimental.asyncTokenization': false
+                    'editor.experimental.asyncTokenization': true
                 })
             },
             monacoWorkerFactory: configureMonacoWorkers
diff --git a/packages/examples/src/python/client/config.ts b/packages/examples/src/python/client/config.ts
index 4d1c0d6ae..2dd5ae6ee 100644
--- a/packages/examples/src/python/client/config.ts
+++ b/packages/examples/src/python/client/config.ts
@@ -83,7 +83,7 @@ export const createUserConfig = (workspaceRoot: string, code: string, codeUri: s
                     'workbench.colorTheme': 'Default Dark Modern',
                     'editor.guides.bracketPairsHorizontal': 'active',
                     'editor.wordBasedSuggestions': 'off',
-                    'editor.experimental.asyncTokenization': false
+                    'editor.experimental.asyncTokenization': true
                 })
             },
             useDiffEditor: false,
diff --git a/packages/examples/src/ts/wrapperTs.ts b/packages/examples/src/ts/wrapperTs.ts
index 0b00027b8..537f472e0 100644
--- a/packages/examples/src/ts/wrapperTs.ts
+++ b/packages/examples/src/ts/wrapperTs.ts
@@ -53,7 +53,7 @@ export const runTsWrapper = async () => {
                     'editor.lightbulb.enabled': 'on',
                     'editor.glyphMargin': true,
                     'editor.guides.bracketPairsHorizontal': true,
-                    'editor.experimental.asyncTokenization': false
+                    'editor.experimental.asyncTokenization': true
                 })
             },
             monacoWorkerFactory: configureMonacoWorkers
diff --git a/vite.config.ts b/vite.config.ts
index 4036ab918..b94de5e43 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -59,7 +59,11 @@ const viteConfig = defineViteConfig({
             plugins: [
                 importMetaUrlPlugin
             ]
-        }
+        },
+        include: [
+            'vscode-textmate',
+            'vscode-oniguruma'
+        ]
     },
     plugins: [
         vsixPlugin(),