# TypeScript v3.9.10 — Release & Upgrade Intelligence
- **Product:** TypeScript (https://typescriptlang.org)
- **Version:** v3.9.10
- **Released:** Jun 16, 2021
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/typescript/updates/v3.9.10/

## Executive Summary (TL;DR)
TypeScript v3.9.10. 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@3.9.10
```