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Why Big Companies Are Moving Away From TypeScript

Microsoft, Vercel, Motion, Svelte, Vite, and even 37signals are making major shifts away from TypeScript in parts of their codebases. But does that mean TypeScript is dying? In this video, we break down why some companies are replacing TypeScript with Go, Rust, C#, JavaScript, and JSDoc-powered workflows. From Vercel’s Rust-based compiler speeding up builds from 17 seconds to 1 second, to Microsoft rewriting the TypeScript compiler in Go, these changes are reshaping how developers think about performance and language choice. We also look at why these migrations are happening, what problems companies are trying to solve, and whether this is actually the downfall of TypeScript or just a shift in where it is used. #TypeScript #JavaScript #Rust #GoLang #CSharp #WebDevelopment #Programming #SoftwareEngineering