diff --git a/CHANGELOG.md b/CHANGELOG.md
index 459ea9036d021..611658b8b31b0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@
 ## not yet released
 
 - [plugin] stub multiDocumentHighlightProvider proposed API [#13248](https://github.com/eclipse-theia/theia/pull/13248) - contributed on behalf of STMicroelectronics
+- [builtins] update built-ins to version 1.83.1 [#13298](https://github.com/eclipse-theia/theia/pull/13298) - contributed on behalf of STMicroelectronics
 - [terminal] rename terminal.sendText() parameter from addNewLine to shouldExecute [#13236](https://github.com/eclipse-theia/theia/pull/13236) - contributed on behalf of STMicroelectronics
 - [terminal] update terminalQuickFixProvider proposed API according to vscode 1.85 version [#13240](https://github.com/eclipse-theia/theia/pull/13240) - contributed on behalf of STMicroelectronics
 - [core] added preference 'workbench.tree.indent' to control the indentation in the tree widget [#13179](https://github.com/eclipse-theia/theia/pull/13179) - contributed on behalf of STMicroelectronics
diff --git a/examples/api-tests/src/typescript.spec.js b/examples/api-tests/src/typescript.spec.js
index c4fe77e9a098f..c399bdbda5f73 100644
--- a/examples/api-tests/src/typescript.spec.js
+++ b/examples/api-tests/src/typescript.spec.js
@@ -19,6 +19,7 @@ describe('TypeScript', function () {
     this.timeout(30_000);
 
     const { assert } = chai;
+    const { timeout } = require('@theia/core/lib/common/promise-util');
 
     const Uri = require('@theia/core/lib/common/uri');
     const { DisposableCollection } = require('@theia/core/lib/common/disposable');
@@ -700,9 +701,7 @@ SPAN {
             return !!node && node.style.visibility !== 'hidden';
         };
 
-        assert.isFalse(lightBulbVisible(), 'Failed at assert 2');
-        await waitForAnimation(() => lightBulbVisible());
-
+        await timeout(1000); // quick fix is always available: need to wait for the error fix to become available.
         await commands.executeCommand('editor.action.quickFix');
         const codeActionSelector = '.codeActionWidget';
         assert.isFalse(!!document.querySelector(codeActionSelector), 'Failed at assert 3 - codeActionWidget should not be visible');
@@ -721,20 +720,9 @@ SPAN {
         assert.isTrue(lightBulbVisible(), 'Failed at assert 4');
         keybindings.dispatchKeyDown('Enter');
         console.log('Waiting for confirmation that QuickFix has taken effect');
-        await waitForAnimation(() => {
-            const quickFixHasTakenEffect = !lightBulbVisible();
-            if (!quickFixHasTakenEffect) {
-                console.log('...');
-                return false;
-            }
-            return true;
-        }, 5000, 'Quickfix widget has not been dismissed despite attempts to accept suggestion');
 
-        await waitForAnimation(() => currentChar() === 'd', 5000, 'Failed to detect expected selected char: "d"');
+        await waitForAnimation(() => currentChar() === 'd', 10000, 'Failed to detect expected selected char: "d"');
         assert.equal(currentChar(), 'd', 'Failed at assert 5');
-
-        await waitForAnimation(() => !lightBulbVisible());
-        assert.isFalse(lightBulbVisible(), 'Failed at assert 6');
     });
 
     it('editor.action.formatDocument', async function () {
diff --git a/package.json b/package.json
index 250eb85206fa3..df4da5f8cce40 100644
--- a/package.json
+++ b/package.json
@@ -103,10 +103,10 @@
   ],
   "theiaPluginsDir": "plugins",
   "theiaPlugins": {
-    "eclipse-theia.builtin-extension-pack": "https://open-vsx.org/api/eclipse-theia/builtin-extension-pack/1.79.0/file/eclipse-theia.builtin-extension-pack-1.79.0.vsix",
+    "eclipse-theia.builtin-extension-pack": "https://open-vsx.org/api/eclipse-theia/builtin-extension-pack/1.83.1/file/eclipse-theia.builtin-extension-pack-1.83.1.vsix",
     "EditorConfig.EditorConfig": "https://open-vsx.org/api/EditorConfig/EditorConfig/0.16.6/file/EditorConfig.EditorConfig-0.16.6.vsix",
     "dbaeumer.vscode-eslint": "https://open-vsx.org/api/dbaeumer/vscode-eslint/2.4.2/file/dbaeumer.vscode-eslint-2.4.2.vsix",
-    "ms-vscode.js-debug": "https://open-vsx.org/api/ms-vscode/js-debug/1.78.0/file/ms-vscode.js-debug-1.78.0.vsix",
+    "ms-vscode.js-debug": "https://open-vsx.org/api/ms-vscode/js-debug/1.83.1/file/ms-vscode.js-debug-1.83.1.vsix",
     "ms-vscode.js-debug-companion": "https://open-vsx.org/api/ms-vscode/js-debug-companion/1.1.2/file/ms-vscode.js-debug-companion-1.1.2.vsix"
   },
   "theiaPluginsExcludeIds": [