Today we’re excited to announce the release of TypeScript 5.3! If you’re not familiar with TypeScript, it’s a language that adds type syntax to JavaScript to bring type-checking. Type-checking can catch all sorts of issues like typos and forgetting to check for null and undefined. But types go beyond type-checking – the same analyses of TypeScript’s type-checker are used for rich editor tooling li
![Announcing TypeScript 5.3 - TypeScript](https://cdn-ak-scissors.b.st-hatena.com/image/square/3f7f217856cfbcc7f66ec857ff4225b9f96b62d9/height=288;version=1;width=512/https%3A%2F%2Fdevblogs.microsoft.com%2Ftypescript%2Fwp-content%2Fuploads%2Fsites%2F11%2F2018%2F08%2Ftypescriptfeature.png)