TypeScript 6.0 Is Out, and It's the End of an Era
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- 23 Mar 2026
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Discussion of the blog article TypeScript 6.0 Is Out, and It's the End of an Era.
TypeScript 6.0 dropped today. It's the last version of TypeScript written in TypeScript. Strict mode is on by default, ES5 is gone, outFile is dead, and TypeScript 7.0 — rewritten in Go — is right behind it. Here's everything that changed and what you actually need to do.
Discussion thread — share findings, corrections and follow-ups below.