# Announcing TypeScript 7.0 Beta

DevFeed: [Announcing TypeScript 7.0 Beta](<https://devfeed.tech/articles/announcing-typescript-7-0-beta-2921.md>)

Original publisher: [Read original article](<https://devblogs.microsoft.com/typescript/announcing-typescript-7-0-beta/>)

Author: Daniel Rosenwasser

Published: 2026-04-21T18:24:17Z

Content type: release

Language: en

Sources: [TypeScript](<https://devfeed.tech/sources/typescript.md>)

Topics: [build times](<https://devfeed.tech/topics/build-times.md>), [ci](<https://devfeed.tech/topics/ci.md>)

Tags: [build-times](<https://devfeed.tech/tags/build-times.md>), [ci](<https://devfeed.tech/tags/ci.md>), [command-line](<https://devfeed.tech/tags/command-line.md>), [extension](<https://devfeed.tech/tags/extension.md>), [go](<https://devfeed.tech/tags/go.md>), [javascript](<https://devfeed.tech/tags/javascript.md>), [release](<https://devfeed.tech/tags/release.md>), [speed](<https://devfeed.tech/tags/speed.md>), [typescript](<https://devfeed.tech/tags/typescript.md>), [vs-code](<https://devfeed.tech/tags/vs-code.md>)

## AI overview

TypeScript 7.0 Beta introduces a Go-based compiler foundation that the article says is often about ten times faster than TypeScript 6.0 while preserving its type-checking semantics. It is presented as ready for day-to-day use, CI pipelines, and VS Code editing through a preview extension.

## Source excerpt

Today we are absolutely thrilled to announce the release of TypeScript 7.0 Beta! If you haven't been following TypeScript 7.0's development, this release is significant in that it is built on a completely new foundation. Over the past year, we have been porting the existing TypeScript codebase from TypeScript (as a bootstrapped codebase that compiles [...] The post Announcing TypeScript 7.0 Beta appeared first on TypeScript.