TypeScript 5.4, a planned update to the strongly typed JavaScript variant from Microsoft, is now generally available. New capabilities in version 5.4 include preserved narrowing within function ...

On a personal note, I'm not sure that it's helpful to have the fat arrow used for what seems to me like two different things: separating the return type from the parameters in the declaration and ...

Microsoft shipped TypeScript 5.8 with improved type checking in some scenarios, but thorny problems caused the dev team to delay related work to the next release. The plan was for TypeScript 5.8 to ...