# TypeScript v1.8.7 — Release & Upgrade Intelligence
- **Product:** TypeScript (https://typescriptlang.org)
- **Version:** v1.8.7
- **Released:** Mar 01, 2016
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/typescript/updates/v1.8.7/

## Executive Summary (TL;DR)
TypeScript v1.8.7. Source highlight: Note: This release has the version tag of `1.8.5.0` for Visual Studio 2013, `1.8.6.0` for NuGet and Visual Studio 2015 and `1.8.7.0` for npm

## Improvements
- Performance problem with `--declaration` `--noEmitOnError` and `--outFile` 

## Upgrade Command
```bash
npm install --save-dev --save-exact typescript@1.8.7
```