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Not sure what this is? Read the announcement post!

A preview build is available on npm as@typescript/native-preview.

npm install @typescript/native-previewnpx tsgo# Use this as you would tsc.

A preview VS Code extension isavailable on the VS Code marketplace.

To use this, set this in your VS Code settings:

{"typescript.experimental.useTsgo":true}

This is still a work in progress and is not yet at full feature parity with TypeScript. Bugs may exist. Please check this list carefully before logging a new issue or assuming an intentional change.

Definitions:

• done aka "believed done": We're not currently aware of any deficits or major left work to do. OK to log bugs
• in progress: currently being worked on; some features may work and some might not. OK to log panics, but nothing else please
• prototype: proof-of-concept only; do not log bugs
• not ready: either haven't even started yet, or far enough from ready that you shouldn't bother messing with it yet

Long-term, we expect that this repo and its contents will be merged intomicrosoft/TypeScript.As a result, the repo and issue tracker for typescript-go will eventually be closed, so treat discussions/issues accordingly.

For a list of intentional changes with respect to TypeScript 5.7, see CHANGES.md.

This project welcomes contributions and suggestions. Most contributions require you to agree to aContributor License Agreement (CLA) declaring that you have the right to, and actually do, grant usthe rights to use your contribution. For details, visitContributor License Agreements.

When you submit a pull request, a CLA bot will automatically determine whether you need to providea CLA and decorate the PR appropriately (e.g., status check, comment). Simply follow the instructionsprovided by the bot. You will only need to do this once across all repos using our CLA.

This project has adopted theMicrosoft Open Source Code of Conduct.For more information see theCode of Conduct FAQ orcontactopencode@microsoft.com with any additional questions or comments.

This project may contain trademarks or logos for projects, products, or services. Authorized use of Microsofttrademarks or logos is subject to and must followMicrosoft's Trademark & Brand Guidelines.Use of Microsoft trademarks or logos in modified versions of this project must not cause confusion or imply Microsoft sponsorship.Any use of third-party trademarks or logos are subject to those third-party's policies.