Impact Score: 5/10
TypeScript 3.3
Source available — automated, not human-reviewed
Component: typescript · Channel: stable. Automated analysis, not a compatibility certification. How this works.
Analysis updated: 2026-11-01.
⚡ Executive Summary (TL;DR)
TypeScript v3.3.1. Source highlight: For release notes, check out the release announcement
Who Does This Impact? (Role-Based Analysis)
💻 Software Engineers & Devs
Check the source notes against the package and APIs you use before upgrading.
📊 Product & Engineering Leads
Use the documented changes to assess relevance to your product; release frequency alone is not a quality measure.
⚙️ DevOps & Security
Verify the target version, runtime requirements and rollback procedure in the official documentation.
🔧 Bug Fixes & Patches (2)
- fixed issues query for Typescript 3.3.
- fixed issues query for Typescript 3.3.1.
📄 View Raw Release Notes (Original Developer Log)
For release notes, check out the [release announcement](https://blogs.msdn.microsoft.com/typescript/2019/01/31/announcing-typescript-3-3/)
For new features, check out the [What's new in TypeScript 3.3](https://github.com/Microsoft/TypeScript/wiki/What's-new-in-TypeScript#typescript-33).
For the complete list of fixed issues, check out the
* [fixed issues query for Typescript 3.3](https://github.com/Microsoft/TypeScript/issues?utf8=%E2%9C%93&q=is%3Aissue+milestone%3A%22TypeScript+3.3%22+is%3Aclosed+).
* [fixed issues query for Typescript 3.3.1](https://github.com/Microsoft/TypeScript/issues?utf8=%E2%9C%93&q=is%3Aissue+milestone%3A%22TypeScript+3.3%22+is%3Aclosed+).
Downloads are available on:
* [npm](https://www.npmjs.com/package/typescript)
* [Visual Studio 2017](https://marketplace.visualstudio.com/items?itemName=TypeScriptTeam.typescript-331-vs2017) ([Select new version in project options](https://github.com/Microsoft/TypeScript/wiki/Updating-TypeScript-in-Visual-Studio-2017))
* [NuGet package](https://www.nuget.org/packages/Microsoft.TypeScript.MSBuild/3.3.1)
Special thanks to all our contributors in this release:
* Alessandro Vergani
* Alexander Tarasyuk
* Anders Hejlsberg
* Andrew Casey
* Andy Hanson
* Aziz Khambati
* Basarat Ali Syed
* Benjamin Lichtman
* Brandon Banks
* Caleb Sander
* @csigs
* Daiki Nishikawa
* Daniel Rosenwasser
* David Sherret
* Dhruv Rajvanshi
* Eddie Jaoude
* @EECOLOR
* @falsandtru
* Igor Oleinikov
* iliashkolyar
* IllusionMH
* Jack Williams
* Jordi Oliveras Rovira
* Kagami Sascha Rosylight
* Klaus Meinhardt
* Leon Aves
* Limon Monte
* Marcus Noble
* Markus Wolf
* Martin Probst
* Matt McCutchen
* Michael Tang
* Mine Starks
* Nathan Shively-Sanders
* Noel Yoo
* Patrick McCartney
* Philip Pesca
* Prateek Goel
* Prateek Nayak
* Roger Spratley
* Ron Buckton
* Ryan Cavanaugh
* Ryan Clarke
* Sam Drugan
* Sergio Baidon
* Sheetal Nandi
* @surlymrz
* Valera Rozuvan
* Wenlu Wang
* Wesley Wigham