Microsoft released TypeScript 6.0 on March 23, the last version built on the original JavaScript codebase, with three post-RC changes and a wave of deprecations designed to ready codebases for the ...

TypeScript is a variant of JavaScript that provides strong type information, a powerful development tool that minimizes bugs and makes JavaScript programs easier to build in enterprise settings.

Say goodbye to source maps and compilation delays. By treating types as whitespace, modern runtimes are unlocking a “no-build” TypeScript that keeps stack traces accurate and workflows clean.

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 ...