Introduction to TypeScript 5.0

TypeScript, the more reliable counterpart to JavaScript, keeps improving. TypeScript 5.0 and its subsequent minor versions, 5.1 and 5.2, are brimming with powerful new features that promise to make our code cleaner, more powerful, and a lot easier to work with. As the release notes show, TypeScript 5.0 shipped with many large and small changes.

Several speed and size enhancements are achieved in TypeScript 5.0 compared to TypeScript 4.9. Some of these are shown in the illustration below: