# TypeScript v4.4.4 — Release & Upgrade Intelligence
- **Product:** TypeScript (https://typescriptlang.org)
- **Version:** v4.4.4
- **Released:** Oct 12, 2021
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/typescript/updates/v4.4.4/

## Executive Summary (TL;DR)
TypeScript v4.4.4. Source highlight: This patch release contains fixes for a performance regression in `--build` mode by only calling `realpath` on `package.json` files only when those files are known to exist on disk, and to only perform this work under `--watch` mode.

## Bug Fixes
- fixed issues query for Typescript 4.4.0 (Beta).
- fixed issues query for Typescript 4.4.1 (RC).
- fixed issues query for Typescript 4.4.2.
- fixed issues query for Typescript 4.4.3.
- fixed issues query for Typescript 4.4.4.

## Upgrade Command
```bash
npm install --save-dev --save-exact typescript@4.4.4
```