# TypeScript v4.0.8 — Release & Upgrade Intelligence
- **Product:** TypeScript (https://typescriptlang.org)
- **Version:** v4.0.8
- **Released:** Jun 16, 2021
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/typescript/updates/v4.0.8/

## Executive Summary (TL;DR)
TypeScript v4.0.8. Source highlight: This release ships both an overall performance improvement, along with a mitigation for a performance regression when upgrading to Node.js 16. See the change for more details.

## Upgrade Command
```bash
npm install --save-dev --save-exact typescript@4.0.8
```