Home / DEVTOOLS / TypeScript / v2.2.1
TypeScript v2.2.1stable Released Feb 22, 2017
⚠️ Breaking Change Impact Score: 7/10

TypeScript 2.2

Source available β€” automated, not human-reviewed

Component: typescript Β· Channel: stable. Automated analysis, not a compatibility certification. How this works.

Analysis updated: 2026-11-01.

Breaking-change evidence from the source

  • For breaking changes, check out the [Breaking changes in TypeScript 2.2](https://github.com/Microsoft/TypeScript/wiki/Breaking-Changes#typescript-22) page.
Read the original context β†—
Source flags breaking changes β€” review applicability
$ npm install --save-dev --save-exact [email protected]
πŸ“„ .MD
⚠️ Breaking & Deprecations 1
⚑ Executive Summary (TL;DR)

TypeScript v2.2.1. Source highlight: For release notes, check out the release announcement

Visit TypeScript Official Site β†— Official Release Source β†— All TypeScript Releases πŸ“‘ TypeScript RSS
Who Does This Impact? (Role-Based Analysis)

πŸ’» Software Engineers & Devs

Check the source notes against the package and APIs you use before upgrading.

πŸ“Š Product & Engineering Leads

Use the documented changes to assess relevance to your product; release frequency alone is not a quality measure.

βš™οΈ DevOps & Security

Verify the target version, runtime requirements and rollback procedure in the official documentation.

⚠️ Breaking Changes & Deprecations (1)

  • For breaking changes, check out the [Breaking changes in TypeScript 2.2](https://github.com/Microsoft/TypeScript/wiki/Breaking-Changes#typescript-22) page.
πŸ“„ View Raw Release Notes (Original Developer Log)
For release notes, check out the [release announcement](https://blogs.msdn.microsoft.com/typescript/2017/02/22/announcing-typescript-2-2/) For new features, check out the [What's new in TypeScript 2.2](https://github.com/Microsoft/TypeScript/wiki/What's-new-in-TypeScript#typescript-22). For breaking changes, check out the [Breaking changes in TypeScript 2.2](https://github.com/Microsoft/TypeScript/wiki/Breaking-Changes#typescript-22) page. For the complete list of fixed issues, check out the issues fixed in [Typescript 2.2 RC](https://github.com/Microsoft/TypeScript/issues?q=is%3Aissue+milestone%3A%22TypeScript+2.2%22+label%3A%22fixed%22+) and [after Typescript 2.2 RC](https://github.com/Microsoft/TypeScript/issues?q=is%3Aissue+milestone%3A%22TypeScript+2.2.1%22+label%3A%22fixed%22+). Download: - [npm](https://www.npmjs.com/package/typescript) - [Visual Studio 2015 plugin](https://www.microsoft.com/en-us/download/details.aspx?id=48593) (requires [VS 2015 Update 3](https://msdn.microsoft.com/en-us/library/mt752379.aspx) to be installed first) - [NuGet package](https://www.nuget.org/packages/Microsoft.TypeScript.MSBuild/2.2.1) Special thanks to all contributors to this release: - Alexander Rusakov - Anatoly Ressin - Andreas Martin - Andrew Ochsner - Basarat Ali Syed - Dahan Gong - Dan Corder - David Sheldrick - @falsandtru - @flowmemo - Herrington Darkholme - Homa Wong - Joel Day - Kagami Sascha Rosylight - Klaus Meinhardt - Kārlis GaΕ†Δ£is - Manish Giri - Masahiro Wakame - Raj Dosanjh - Slawomir Sadziak - Tingan Ho - Yuichi Nukiyama
← Older Version TypeScript v2.1.6