TypeScript 6.0 has been released as the final version built on the JavaScript codebase. Key changes include new standard library types for TC39 Stage 4 proposals (Temporal API, Map upsert methods, RegExp.escape), breaking default changes to tsconfig (strict mode on by default, types:[] empty by default cutting build times up to
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Standard Library and API Additions #"Breaking" Defaults #Cleanup: Deprecations for 7.0 #Preparing for TypeScript 7.0 #Sort: