---
title: "Decorators vs. Legacy Decorators"
author: ""
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---

# Decorators vs. Legacy Decorators

TypeScript has had [experimental](https://www.typescriptlang.org/tsconfig#experimentalDecorators) [support](https://www.typescriptlang.org/docs/handbook/decorators.html) for the [stage 2 Decorators proposal](https://github.com/tc39/proposal-decorators/tree/4ac0f4cd31bd0f2e8170cb4c5136e51671e46c8d) of ECMAScript for a while. And some tools like [Angular](https://angular.io/api?type=decorator) have been relying on on this experimental implementation for years. In 2022, the [Decorators proposal](https://github.com/tc39/proposal-decorators) advanced to stage 3. There are some notable differences between the legacy (stage 2) and the current (stage 3) Decorators proposals.

- [github.com/tc39/proposal-decorators#how-does-this-proposal-compare-to-other-versions-of-decorators](https://github.com/tc39/proposal-decorators#how-does-this-proposal-compare-to-other-versions-of-decorators)
- [devblogs.microsoft.com/typescript/announcing-typescript-5-0-beta/#differences-with-experimental-legacy-decorators](https://devblogs.microsoft.com/typescript/announcing-typescript-5-0-beta/#differences-with-experimental-legacy-decorators)