This podcast episode delves into the intriguing decision made by Svelte to migrate its codebase from TypeScript to JSDoc, aiming to simplify library authoring and shipping while still achieving type safety. The discussion highlights the advantages of JSDoc, such as ease of use, extensive documentation capabilities, and abilities that surpass TypeScript's limitations. Additionally, the episode explores how utilizing JSDoc in conjunction with TypeScript can enhance documentation and readability, ultimately promoting a more cohesive and effective development process.