TypeScript 3.0 RC – What’s New!

Microsoft’s TypeScript team just announced the release candidate for the new TypeScript 3.0 on 12th July 2018 and also scheduled for final release later this month, incorporating many new features dealing with project references, a new unknown type and more.

you can get the RC through NuGet, or use npm with the following command:

npm install -g typescript@rc

You can also get editor support by

• Downloading for Visual Studio 2017 (for version 15.2 or later)
• Following directions for Visual Studio Code and Sublime Text.

What’s New?

• Project references
• Extracting and spreading parameter lists with tuples
• Richer tuple types
• The unknown type
• Support for React’s defaultProps

According to the TypeScript roadmap, TypeScript 3.0 is scheduled to be released in its final form this month.

“We’re looking to get any and all feedback from this RC to successfully ship TypeScript 3.0 proper, so if you’d like to give it a shot now, you can get the RC through NuGet, or use npm,” the dev team said.

Reference from : Microsoft Blog