# Progress on TypeScript 7 - December 2025

DevFeed: [Progress on TypeScript 7 - December 2025](<https://devfeed.tech/articles/progress-on-typescript-7-december-2025-2924.md>)

Original publisher: [Read original article](<https://devblogs.microsoft.com/typescript/progress-on-typescript-7-december-2025/>)

Author: Daniel Rosenwasser

Published: 2025-12-02T17:31:32Z

Content type: news

Language: en

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

Topics: [toolchain](<https://devfeed.tech/topics/toolchain.md>), [Visual Studio Code](<https://devfeed.tech/topics/visual-studio-code.md>)

Tags: [architecture](<https://devfeed.tech/tags/architecture.md>), [bugs](<https://devfeed.tech/tags/bugs.md>), [javascript](<https://devfeed.tech/tags/javascript.md>), [memory](<https://devfeed.tech/tags/memory.md>), [performance](<https://devfeed.tech/tags/performance.md>), [typescript](<https://devfeed.tech/tags/typescript.md>), [updates](<https://devfeed.tech/tags/updates.md>)

## AI overview

Progress update on TypeScript 7.0's native compiler and language-service port, including editor-preview support, reimplemented navigation and refactoring features, and reliability improvements through shared-memory parallelism.

## Source excerpt

Earlier this year, the TypeScript team announced that we've been porting the compiler and language service to native code to take advantage of better raw performance, memory usage, and parallelism. This effort (codenamed "Project Corsa", and soon "TypeScript 7.0") has been a significant undertaking, but we've made big strides in the past few months. We're [...] The post Progress on TypeScript 7 - December 2025 appeared first on TypeScript.