# Announcing TypeScript 7.0 RC

DevFeed: [Announcing TypeScript 7.0 RC](<https://devfeed.tech/articles/announcing-typescript-7-0-rc-2922.md>)

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

Author: Daniel Rosenwasser

Published: 2026-06-18T14:31:17Z

Content type: release

Language: en

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

Topics: [TypeScript](<https://devfeed.tech/topics/typescript.md>), [Go Language](<https://devfeed.tech/topics/go-language.md>), [Compiler](<https://devfeed.tech/topics/compiler.md>), [build times](<https://devfeed.tech/topics/build-times.md>), [npm](<https://devfeed.tech/topics/npm.md>), [vs-code](<https://devfeed.tech/topics/vs-code.md>), [Extension](<https://devfeed.tech/topics/extension.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>), [development](<https://devfeed.tech/tags/development.md>), [extension](<https://devfeed.tech/tags/extension.md>), [go](<https://devfeed.tech/tags/go.md>), [performance](<https://devfeed.tech/tags/performance.md>), [post](<https://devfeed.tech/tags/post.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 RC introduces a Go-based compiler foundation with shared-memory parallelism, reporting substantial speed improvements while preserving TypeScript 6.0's type-checking semantics. The release candidate is available through npm, with an optional VS Code preview extension for faster editing.

## Source excerpt

Today we are excited to announce the Release Candidate of TypeScript 7.0! 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 to [...] The post Announcing TypeScript 7.0 RC appeared first on TypeScript.