# TypeScript v4.6.3 — Release & Upgrade Intelligence
- **Product:** TypeScript (https://typescriptlang.org)
- **Version:** v4.6.3
- **Released:** Mar 24, 2022
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/typescript/updates/v4.6.3/

## Executive Summary (TL;DR)
TypeScript v4.6.3. Source highlight: This release includes fixes for

## Improvements
- improved results from the TypeScript API's `preProcessFile` function

## Bug Fixes
- an incremental parsing bug caused by faulty error recovery logic
- fixed issues query for Typescript 4.6.0 (Beta).
- fixed issues query for Typescript 4.6.1 (RC).
- fixed issues query for Typescript 4.6.2 (Stable).
- fixed issues query for Typescript 4.6.3 (Stable).

## Upgrade Command
```bash
npm install --save-dev --save-exact typescript@4.6.3
```