diff --git a/extensions/typescript/package.json b/extensions/typescript/package.json
index a74697b8026..a9295fe54a1 100644
--- a/extensions/typescript/package.json
+++ b/extensions/typescript/package.json
@@ -34,6 +34,7 @@
 		"onCommand:javascript.reloadProjects"
 	],
 	"main": "./out/typescriptMain",
+	"enableProposedApi": true,
 	"contributes": {
 		"languages": [
 			{
@@ -299,4 +300,4 @@
 			}
 		]
 	}
-}
\ No newline at end of file
+}
diff --git a/extensions/typescript/src/typescriptMain.ts b/extensions/typescript/src/typescriptMain.ts
index a9e95cd39f5..c8f0af9ee04 100644
--- a/extensions/typescript/src/typescriptMain.ts
+++ b/extensions/typescript/src/typescriptMain.ts
@@ -40,7 +40,7 @@ import ReferenceCodeLensProvider from './features/referencesCodeLensProvider';
 
 import * as BuildStatus from './utils/buildStatus';
 import * as ProjectStatus from './utils/projectStatus';
-import TypingsStatus from './utils/typingsStatus';
+import TypingsStatus, { AtaProgressReporter } from './utils/typingsStatus';
 import * as VersionStatus from './utils/versionStatus';
 
 interface LanguageDescription {
@@ -128,6 +128,7 @@ class LanguageProvider {
 		this.currentDiagnostics = languages.createDiagnosticCollection(description.id);
 
 		this.typingsStatus = new TypingsStatus(client);
+		new AtaProgressReporter(client);
 
 		workspace.onDidChangeConfiguration(this.configurationChanged, this);
 		this.configurationChanged();
diff --git a/extensions/typescript/src/utils/typingsStatus.ts b/extensions/typescript/src/utils/typingsStatus.ts
index cd1d7e8e91a..de5cd9d291e 100644
--- a/extensions/typescript/src/utils/typingsStatus.ts
+++ b/extensions/typescript/src/utils/typingsStatus.ts
@@ -3,10 +3,14 @@
  *  Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
 
+/// <reference path="../../../../src/vs/vscode.proposed.d.ts" />
+
 'use strict';
 
 import * as vscode from 'vscode';
 import { ITypescriptServiceClient } from '../typescriptService';
+import { loadMessageBundle } from 'vscode-nls';
+const localize = loadMessageBundle();
 
 const typingsInstallTimeout = 30 * 1000;
 
@@ -54,4 +58,42 @@ export default class TypingsStatus extends vscode.Disposable {
 		}
 		delete this._acquiringTypings[eventId];
 	}
-}
\ No newline at end of file
+}
+
+export class AtaProgressReporter {
+
+	private _promises = new Map<number, Function>();
+	private _disposable: vscode.Disposable;
+
+	constructor(client: ITypescriptServiceClient) {
+		this._disposable = vscode.Disposable.from(
+			client.onDidBeginInstallTypings(e => this._onBegin(e.eventId)),
+			client.onDidEndInstallTypings(e => this._onEndOrTimeout(e.eventId))
+		);
+	}
+
+	dispose(): void {
+		this._disposable.dispose();
+		this._promises.forEach(value => value());
+	}
+
+	private _onBegin(eventId: number): void {
+		const handle = setTimeout(() => this._onEndOrTimeout(eventId), typingsInstallTimeout);
+		const promise = new Promise(resolve => {
+			this._promises.set(eventId, () => {
+				clearTimeout(handle);
+				resolve();
+			});
+		});
+
+		vscode.window.withWindowProgress(localize('installingPackages', "Fetching data for better TypeScript IntelliSense"), () => promise);
+	}
+
+	private _onEndOrTimeout(eventId: number): void {
+		const resolve = this._promises.get(eventId);
+		if (resolve) {
+			this._promises.delete(eventId);
+			resolve();
+		}
+	}
+}