# TypeScript v3.9.8 — Release & Upgrade Intelligence
- **Product:** TypeScript (https://typescriptlang.org)
- **Version:** v3.9.8
- **Released:** Feb 09, 2021
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/typescript/updates/v3.9.8/

## Executive Summary (TL;DR)
TypeScript v3.9.8. Source highlight: This release contains fixes for a security risk involving language service plugin loading. More details are available here.

## Upgrade Command
```bash
npm install --save-dev --save-exact typescript@3.9.8
```