An upgrade needs a compatibility check, a tested release and a recovery path. Which changes deserve particular attention before the new version reaches production?

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Tasadduq BurneyownerOwner · Founder

26525 reputation · 29 Jan 2025, 04:13 UTC

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Review compiler release notes for stricter checks and changed inference. Test the framework, lint tooling and declaration dependencies together. Fix newly exposed contract problems explicitly rather than globally disabling strictness to make an upgrade pass.

How should I approach a TypeScript upgrade?

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