# TypeScript v2.2.1 — Release & Upgrade Intelligence
- **Product:** TypeScript (https://typescriptlang.org)
- **Version:** v2.2.1
- **Released:** Feb 22, 2017
- **Impact Score:** 7/10
- **Breaking Changes:** Source flagged
- **Canonical Analysis:** https://changelogs.us/typescript/updates/v2.2.1/

## Executive Summary (TL;DR)
TypeScript v2.2.1. Source highlight: For release notes, check out the release announcement

## Breaking Changes & Deprecations
- For breaking changes, check out the [Breaking changes in TypeScript 2.2](https://github.com/Microsoft/TypeScript/wiki/Breaking-Changes#typescript-22) page.

## Upgrade Command
```bash
npm install --save-dev --save-exact typescript@2.2.1
```