SMRTR ProgrammingMay 14, 2026LogRocket

TypeScript v6 is here: A full migration guide

SMRTR summary

TypeScript v6 is a major release designed to bridge the gap before the upcoming Go-powered v7. Key breaking changes include strict mode enabled by default, types defaulting to an empty array, baseUrl deprecation, and updated rootDir defaults. New features include ES2025 target support, Temporal API types, and Node.js subpath import support — making migration planning essential for most teams.

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